/* ============================================================
   CSS CUSTOM PROPERTIES
   ============================================================ */
:root {
    --hub-bg:         #0f0f1a;
    --card-bg:        #1a1a2e;
    --card-bg-hover:  #1f1f38;
    --surface:        #16213e;
    --border:         rgba(255,255,255,0.08);
    --border-hover:   rgba(255,255,255,0.18);

    --accent-primary:       #7c3aed;
    --accent-primary-light: #a855f7;
    --accent-secondary:     #06b6d4;
    --accent-success:       #10b981;
    --accent-danger:        #f43f5e;
    --accent-warning:       #f59e0b;

    --text-primary:   #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted:     #64748b;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    --shadow-card:  0 4px 24px rgba(0,0,0,0.4);
    --shadow-hover: 0 12px 48px rgba(0,0,0,0.6);

    --transition-fast: 0.15s ease;
    --transition-base: 0.25s ease;
    --transition-slow: 0.4s ease;

    --font: 'Poppins', system-ui, sans-serif;
}

/* ============================================================
   BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--hub-bg);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    margin: 0;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.hub-navbar {
    background: rgba(15,15,26,0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 0;
    position: sticky;
    top: 0;
    z-index: 200;
}

.hub-brand {
    font-weight: 800;
    font-size: 1.35rem;
    color: var(--text-primary) !important;
    text-decoration: none;
    display: flex;
    align-items: center;
    letter-spacing: -0.5px;
}

.hub-brand i {
    background: linear-gradient(135deg, #a855f7, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hub-nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    font-size: 0.875rem;
    padding: 0.4rem 0.85rem !important;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    text-decoration: none;
    display: flex;
    align-items: center;
}

.hub-nav-link:hover {
    color: var(--text-primary) !important;
    background: rgba(255,255,255,0.06);
}

/* ============================================================
   HUB HERO
   ============================================================ */
.hub-hero {
    position: relative;
    overflow: hidden;
    padding: 5rem 0 3.5rem;
}

.hub-hero__bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 90% 55% at 50% -5%, rgba(124,58,237,0.28) 0%, transparent 65%),
        radial-gradient(ellipse 55% 35% at 85% 110%, rgba(6,182,212,0.14) 0%, transparent 60%);
    pointer-events: none;
}

.hub-hero__eyebrow {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3.5px;
    color: var(--accent-primary-light);
    margin-bottom: 0.6rem;
}

.hub-hero__title {
    font-size: clamp(3rem, 9vw, 5.5rem);
    font-weight: 800;
    letter-spacing: -2px;
    line-height: 1;
    color: var(--text-primary);
    margin: 0 0 1.1rem;
}

.hub-hero__title-accent {
    background: linear-gradient(135deg, #a855f7, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hub-hero__subtitle {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 460px;
    margin: 0 auto 2.5rem;
}

/* Stats row */
.hub-stats {
    display: inline-flex;
    align-items: center;
    gap: 2rem;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 1rem 2.5rem;
    backdrop-filter: blur(8px);
}

.hub-stat { text-align: center; }

.hub-stat__number {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, #a855f7, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}

.hub-stat__label {
    display: block;
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-top: 0.2rem;
}

.hub-stat__divider {
    width: 1px;
    height: 44px;
    background: var(--border);
}

/* ============================================================
   GAMES SECTION
   ============================================================ */
.hub-games-section {
    padding: 2.5rem 0 5rem;
}

.hub-section-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 1.75rem;
    display: flex;
    align-items: center;
    letter-spacing: -0.2px;
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
    gap: 1.4rem;
}

/* ============================================================
   GAME CARD
   ============================================================ */
.game-card {
    position: relative;
    border-radius: var(--radius-lg);
    background: var(--card-bg);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.game-card:not(.game-card--coming-soon) {
    cursor: pointer;
}

.game-card:not(.game-card--coming-soon):hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--border-hover);
}

.game-card--coming-soon { opacity: 0.58; }

/* Glow top-edge on hover */
.game-card__glow {
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 180px;
    opacity: 0;
    transition: opacity var(--transition-slow);
    background: radial-gradient(ellipse 80% 100% at 50% -10%, var(--g-from, rgba(124,58,237,0.35)), transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.game-card:not(.game-card--coming-soon):hover .game-card__glow { opacity: 1; }

.game-card__body {
    padding: 1.6rem 1.75rem 1.75rem;
    position: relative;
    z-index: 1;
}

.game-card__icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.55rem;
    color: #fff;
    box-shadow: 0 4px 16px rgba(0,0,0,0.35);
    flex-shrink: 0;
}

.game-card__title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.3;
}

.game-card__tagline {
    font-size: 0.845rem;
    color: var(--text-muted);
    margin: 0.3rem 0 0;
    line-height: 1.55;
}

.game-card__play-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.55rem 1.35rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.855rem;
    font-family: var(--font);
    border: none;
    cursor: pointer;
    text-decoration: none;
    color: #fff;
    background: linear-gradient(135deg, var(--g-from, #7c3aed), var(--g-to, #4f46e5));
    transition: all var(--transition-fast);
    box-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

.game-card__play-btn:hover {
    filter: brightness(1.18);
    transform: translateY(-1px);
    color: #fff;
    text-decoration: none;
    box-shadow: 0 6px 20px rgba(0,0,0,0.4);
}

.game-card__play-btn--disabled {
    background: rgba(255,255,255,0.07) !important;
    color: var(--text-muted) !important;
    cursor: not-allowed;
    box-shadow: none;
    filter: none !important;
    transform: none !important;
}

.game-badge-live {
    background: rgba(16,185,129,0.15);
    color: #34d399;
    border: 1px solid rgba(16,185,129,0.3);
    font-size: 0.68rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    padding: 0.22rem 0.55rem;
    border-radius: 20px;
    line-height: 1;
}

.game-badge-soon {
    background: rgba(100,116,139,0.14);
    color: var(--text-muted);
    border: 1px solid rgba(100,116,139,0.25);
    font-size: 0.68rem;
    font-weight: 600;
    padding: 0.22rem 0.55rem;
    border-radius: 20px;
    line-height: 1;
}

/* ============================================================
   FOOTER
   ============================================================ */
.hub-footer {
    padding: 1.5rem 0;
    border-top: 1px solid var(--border);
}

/* ============================================================
   IN-GAME LAYOUT
   ============================================================ */
.game-body {
    background: var(--hub-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.game-topbar {
    background: rgba(15,15,26,0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.game-back-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.855rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    transition: color var(--transition-fast);
    width: 110px;
}

.game-back-link:hover { color: var(--text-primary); }

.game-topbar-title {
    font-size: 0.975rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
}

.game-main {
    flex: 1;
    padding: 2.5rem 0 4rem;
}

/* ============================================================
   GUESS THE NUMBER — DIFFICULTY PICKER
   ============================================================ */
.guess-picker {
    min-height: calc(100vh - 72px);
    display: flex;
    align-items: center;
    padding: 2rem 0;
}

.guess-picker__icon-wrap {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #7c3aed, #4f46e5);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.4rem;
    color: white;
    margin: 0 auto;
    box-shadow: 0 8px 36px rgba(124,58,237,0.45);
}

.guess-picker__heading {
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0;
}

.difficulty-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 1.2rem;
    max-width: 680px;
    margin: 0 auto;
}

.difficulty-card {
    background: var(--card-bg);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.45rem;
    color: var(--text-primary);
    font-family: var(--font);
    width: 100%;
}

.difficulty-card:hover {
    transform: translateY(-5px);
}

.difficulty-card__icon {
    font-size: 2.4rem;
    line-height: 1;
    margin-bottom: 0.2rem;
}

.difficulty-card__name {
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: -0.3px;
}

.difficulty-card__range {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
}

.difficulty-card__attempts {
    font-size: 0.78rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
}

/* Easy */
.difficulty-card--easy:hover {
    border-color: var(--accent-success);
    box-shadow: 0 0 32px rgba(16,185,129,0.22);
}
.difficulty-card--easy .difficulty-card__name { color: #34d399; }

/* Medium */
.difficulty-card--medium:hover {
    border-color: var(--accent-warning);
    box-shadow: 0 0 32px rgba(245,158,11,0.22);
}
.difficulty-card--medium .difficulty-card__name { color: #fbbf24; }

/* Hard */
.difficulty-card--hard:hover {
    border-color: var(--accent-danger);
    box-shadow: 0 0 32px rgba(244,63,94,0.22);
}
.difficulty-card--hard .difficulty-card__name { color: #fb7185; }

/* ============================================================
   GUESS THE NUMBER — GAME BOARD
   ============================================================ */
.guess-play { padding: 0.5rem 0; }

.guess-status-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 0.85rem 1.5rem;
    margin-bottom: 2rem;
}

.guess-difficulty-badge {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.8px;
    padding: 0.28rem 0.85rem;
    border-radius: 20px;
}

.guess-difficulty-badge--easy {
    background: rgba(16,185,129,0.14);
    color: #34d399;
    border: 1px solid rgba(16,185,129,0.3);
}

.guess-difficulty-badge--medium {
    background: rgba(245,158,11,0.14);
    color: #fbbf24;
    border: 1px solid rgba(245,158,11,0.3);
}

.guess-difficulty-badge--hard {
    background: rgba(244,63,94,0.14);
    color: #fb7185;
    border: 1px solid rgba(244,63,94,0.3);
}

.guess-range-badge {
    font-size: 0.84rem;
    color: var(--text-muted);
    font-weight: 500;
    display: flex;
    align-items: center;
}

.guess-hearts {
    display: flex;
    gap: 0.28rem;
    font-size: 0.95rem;
}

.guess-board {
    max-width: 540px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.65rem;
}

/* Prompt */
.guess-prompt {
    text-align: center;
    font-size: 0.975rem;
    color: var(--text-muted);
    padding: 1.1rem 1.25rem;
    border: 1px dashed var(--border);
    border-radius: var(--radius-md);
}

/* Hint banner */
.guess-hint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.975rem;
    text-align: center;
}

.guess-hint--high {
    background: rgba(244,63,94,0.1);
    border: 1px solid rgba(244,63,94,0.28);
    color: #fb7185;
}

.guess-hint--low {
    background: rgba(6,182,212,0.1);
    border: 1px solid rgba(6,182,212,0.28);
    color: #22d3ee;
}

/* Temperature bar */
.temp-bar-wrapper { padding: 0 0.25rem; }

.temp-bar {
    height: 10px;
    background: rgba(255,255,255,0.07);
    border-radius: 99px;
    overflow: hidden;
}

.temp-bar__fill {
    height: 100%;
    border-radius: 99px;
    transition: width 0.65s cubic-bezier(0.34,1.56,0.64,1);
    min-width: 4px;
}

.temp-bar__fill--cold      { background: linear-gradient(90deg, #93c5fd, #60a5fa); }
.temp-bar__fill--cool      { background: linear-gradient(90deg, #6ee7b7, #34d399); }
.temp-bar__fill--warm      { background: linear-gradient(90deg, #fcd34d, #fbbf24); }
.temp-bar__fill--hot       { background: linear-gradient(90deg, #fb923c, #f97316); }
.temp-bar__fill--scorching {
    background: linear-gradient(90deg, #f43f5e, #dc2626);
    box-shadow: 0 0 14px rgba(244,63,94,0.65);
}

.temp-bar__labels {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.45rem;
    font-size: 0.72rem;
    color: var(--text-muted);
}

.temp-bar__reading {
    font-weight: 700;
    font-size: 0.78rem;
    color: var(--text-secondary);
}

/* Input & submit */
.guess-input-group {
    display: flex;
    gap: 0.7rem;
}

.guess-input {
    flex: 1;
    background: var(--card-bg);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 1.55rem;
    font-weight: 700;
    padding: 0.8rem 1.2rem;
    text-align: center;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
    -moz-appearance: textfield;
}

.guess-input::-webkit-outer-spin-button,
.guess-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.guess-input::placeholder { color: var(--text-muted); font-size: 1rem; font-weight: 400; }

.guess-input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(124,58,237,0.22);
    background: var(--card-bg-hover);
}

.guess-submit-btn {
    background: linear-gradient(135deg, #7c3aed, #4f46e5);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-family: var(--font);
    font-size: 0.9rem;
    font-weight: 700;
    padding: 0.8rem 1.5rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    display: flex;
    align-items: center;
    box-shadow: 0 4px 16px rgba(124,58,237,0.3);
}

.guess-submit-btn:hover {
    filter: brightness(1.15);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(124,58,237,0.45);
}

.guess-submit-btn:active { transform: translateY(0); }

/* History */
.guess-history__label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.8px;
    color: var(--text-muted);
    margin-bottom: 0.7rem;
}

.guess-history__chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.guess-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.32rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    animation-duration: 0.35s;
}

.guess-chip--too_high {
    background: rgba(244,63,94,0.12);
    border: 1px solid rgba(244,63,94,0.3);
    color: #fb7185;
}

.guess-chip--too_low {
    background: rgba(6,182,212,0.12);
    border: 1px solid rgba(6,182,212,0.3);
    color: #22d3ee;
}

.guess-chip--correct {
    background: rgba(16,185,129,0.15);
    border: 1px solid rgba(16,185,129,0.4);
    color: #34d399;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 576px) {
    .hub-hero { padding: 3rem 0 2.5rem; }

    .hub-stats {
        gap: 1.25rem;
        padding: 0.85rem 1.5rem;
    }

    .games-grid { grid-template-columns: 1fr; }

    .difficulty-grid { grid-template-columns: 1fr; max-width: 320px; }

    .guess-input { font-size: 1.25rem; }

    .guess-status-bar { justify-content: center; text-align: center; }

    .game-topbar-title { font-size: 0.85rem; }

    .game-back-link { font-size: 0.78rem; width: auto; }

    .guess-input-group { flex-direction: column; }

    .guess-submit-btn { justify-content: center; }
}

/* ============================================================
   ROCK PAPER SCISSORS — MODE PICKER
   ============================================================ */
.rps-picker {
    min-height: calc(100vh - 72px);
    display: flex;
    align-items: center;
    padding: 2rem 0;
}

.rps-picker__icon-wrap {
    width: 96px;
    height: 96px;
    background: linear-gradient(135deg, #059669, #0891b2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: 0 8px 36px rgba(5,150,105,0.45);
}

.rps-picker__icon-emojis {
    font-size: 1.6rem;
    line-height: 1;
    letter-spacing: -2px;
}

.rps-picker__heading {
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0;
}

.rps-mode-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 1.2rem;
    max-width: 680px;
    margin: 0 auto;
}

.rps-mode-card {
    background: var(--card-bg);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    color: var(--text-primary);
    font-family: var(--font);
    width: 100%;
}

.rps-mode-card:hover { transform: translateY(-5px); }

.rps-mode-card__icon {
    font-size: 2.2rem;
    line-height: 1;
    margin-bottom: 0.3rem;
}

.rps-mode-card__name {
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: -0.3px;
}

.rps-mode-card__label {
    font-size: 0.845rem;
    color: var(--text-muted);
    font-weight: 500;
}

.rps-mode-card__badge {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-top: 0.25rem;
    padding: 0.22rem 0.75rem;
    border-radius: 20px;
}

/* Best of 3 — green */
.rps-mode-card--bo3:hover {
    border-color: #10b981;
    box-shadow: 0 0 32px rgba(16,185,129,0.22);
}
.rps-mode-card--bo3 .rps-mode-card__name  { color: #34d399; }
.rps-mode-card--bo3 .rps-mode-card__icon  { color: #34d399; }
.rps-mode-card--bo3 .rps-mode-card__badge {
    background: rgba(16,185,129,0.12);
    color: #34d399;
    border: 1px solid rgba(16,185,129,0.3);
}

/* Best of 5 — cyan */
.rps-mode-card--bo5:hover {
    border-color: #06b6d4;
    box-shadow: 0 0 32px rgba(6,182,212,0.22);
}
.rps-mode-card--bo5 .rps-mode-card__name  { color: #22d3ee; }
.rps-mode-card--bo5 .rps-mode-card__icon  { color: #22d3ee; }
.rps-mode-card--bo5 .rps-mode-card__badge {
    background: rgba(6,182,212,0.12);
    color: #22d3ee;
    border: 1px solid rgba(6,182,212,0.3);
}

/* Best of 7 — amber */
.rps-mode-card--bo7:hover {
    border-color: #f59e0b;
    box-shadow: 0 0 32px rgba(245,158,11,0.22);
}
.rps-mode-card--bo7 .rps-mode-card__name  { color: #fbbf24; }
.rps-mode-card--bo7 .rps-mode-card__icon  { color: #fbbf24; }
.rps-mode-card--bo7 .rps-mode-card__badge {
    background: rgba(245,158,11,0.12);
    color: #fbbf24;
    border: 1px solid rgba(245,158,11,0.3);
}

/* Rules footer */
.rps-rules { margin-top: 3rem; }

.rps-rules__title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.rps-rules__grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    justify-content: center;
}

.rps-rule-chip {
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.35rem 0.9rem;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.rps-rule-chip span {
    color: var(--text-secondary);
    font-style: italic;
}

/* ============================================================
   ROCK PAPER SCISSORS — SCORE BAR
   ============================================================ */
.rps-play { padding: 0.5rem 0; }

.rps-scorebar {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 1rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1rem 1.5rem;
    margin-bottom: 1.75rem;
}

.rps-scorebar__side {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.rps-scorebar__side--player  { align-items: flex-start; }
.rps-scorebar__side--computer { align-items: flex-end; }

.rps-scorebar__label {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
}

.rps-scorebar__centre {
    text-align: center;
    flex-shrink: 0;
}

.rps-scorebar__score {
    font-size: 1.65rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
    letter-spacing: -1px;
}

.rps-scorebar__score span {
    color: var(--text-muted);
    margin: 0 0.2rem;
}

.rps-scorebar__mode {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 0.25rem;
}

/* Score pips */
.rps-pips {
    display: flex;
    gap: 0.35rem;
    align-items: center;
}

.rps-pip {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.18);
    background: transparent;
    transition: background var(--transition-fast), border-color var(--transition-fast),
                box-shadow var(--transition-fast);
}

.rps-pip--player {
    background: #10b981;
    border-color: #10b981;
    box-shadow: 0 0 6px rgba(16,185,129,0.55);
}

.rps-pip--computer {
    background: #f43f5e;
    border-color: #f43f5e;
    box-shadow: 0 0 6px rgba(244,63,94,0.55);
}

/* ============================================================
   ROCK PAPER SCISSORS — ARENA (round result)
   ============================================================ */
.rps-arena {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem 1.75rem 1.5rem;
    margin-bottom: 1.75rem;
    animation-duration: 0.4s;
}

.rps-arena__versus {
    display: grid;
    grid-template-columns: 1fr 56px 1fr;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.rps-arena__side {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    padding: 1rem 0.5rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    position: relative;
}

.rps-arena__side--winner {
    background: rgba(16,185,129,0.07);
    outline: 2px solid rgba(16,185,129,0.35);
    box-shadow: 0 0 22px rgba(16,185,129,0.18);
}

.rps-arena__side--loser {
    opacity: 0.5;
}

.rps-arena__side--computer-winner {
    background: rgba(244,63,94,0.07);
    outline: 2px solid rgba(244,63,94,0.35);
    box-shadow: 0 0 22px rgba(244,63,94,0.18);
}

.rps-arena__who {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
}

.rps-arena__emoji {
    font-size: clamp(2.8rem, 8vw, 4rem);
    line-height: 1;
    display: block;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.35));
}

.rps-arena__emoji--flip {
    transform: scaleX(-1); /* mirror the computer's hand */
}

.rps-arena__move {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.rps-arena__divider {
    text-align: center;
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--text-muted);
    letter-spacing: 1px;
}

/* Outcome line */
.rps-arena__outcome {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 1.05rem;
    font-weight: 700;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-md);
    text-align: center;
    animation-duration: 0.45s;
}

.rps-arena__outcome--win {
    background: rgba(16,185,129,0.1);
    border: 1px solid rgba(16,185,129,0.3);
    color: #34d399;
}

.rps-arena__outcome--lose {
    background: rgba(244,63,94,0.1);
    border: 1px solid rgba(244,63,94,0.28);
    color: #fb7185;
}

.rps-arena__outcome--draw {
    background: rgba(245,158,11,0.1);
    border: 1px solid rgba(245,158,11,0.28);
    color: #fbbf24;
}

/* First-move prompt (before any round) */
.rps-first-prompt {
    text-align: center;
    font-size: 0.975rem;
    color: var(--text-muted);
    padding: 1.5rem;
    border: 1px dashed var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 1.75rem;
}

/* ============================================================
   ROCK PAPER SCISSORS — CHOICE BUTTONS
   ============================================================ */
.rps-choices-section { margin-bottom: 2rem; }

.rps-choices-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.8px;
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 1rem;
}

.rps-choices {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.rps-choice-btn {
    width: clamp(96px, 26vw, 148px);
    aspect-ratio: 1;
    background: var(--card-bg);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    cursor: pointer;
    transition: transform var(--transition-base), box-shadow var(--transition-base),
                border-color var(--transition-base), background var(--transition-base);
    font-family: var(--font);
    color: var(--text-secondary);
    padding: 0.5rem;
}

.rps-choice-btn:hover { transform: translateY(-6px) scale(1.03); }
.rps-choice-btn:active { transform: translateY(-2px) scale(1.01); transition-duration: 0.08s; }

.rps-choice-emoji {
    font-size: clamp(1.8rem, 6vw, 2.6rem);
    line-height: 1;
    display: block;
    transition: transform var(--transition-fast);
}

.rps-choice-btn:hover .rps-choice-emoji { transform: scale(1.15); }

.rps-choice-name {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Rock — amber */
.rps-choice-btn--rock:hover {
    border-color: #f59e0b;
    background: rgba(245,158,11,0.06);
    box-shadow: 0 0 28px rgba(245,158,11,0.25), 0 8px 32px rgba(0,0,0,0.35);
    color: #fbbf24;
}

/* Paper — cyan */
.rps-choice-btn--paper:hover {
    border-color: #06b6d4;
    background: rgba(6,182,212,0.06);
    box-shadow: 0 0 28px rgba(6,182,212,0.25), 0 8px 32px rgba(0,0,0,0.35);
    color: #22d3ee;
}

/* Scissors — rose */
.rps-choice-btn--scissors:hover {
    border-color: #f43f5e;
    background: rgba(244,63,94,0.06);
    box-shadow: 0 0 28px rgba(244,63,94,0.25), 0 8px 32px rgba(0,0,0,0.35);
    color: #fb7185;
}

/* ============================================================
   ROCK PAPER SCISSORS — ROUND HISTORY
   ============================================================ */
.rps-history { }

.rps-history__label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.8px;
    color: var(--text-muted);
    margin-bottom: 0.7rem;
}

.rps-history__list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.rps-history__chip {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.38rem 0.85rem;
    border-radius: var(--radius-sm);
    font-size: 0.84rem;
    font-weight: 600;
    animation-duration: 0.3s;
}

.rps-history__chip--win {
    background: rgba(16,185,129,0.1);
    border: 1px solid rgba(16,185,129,0.28);
    color: #34d399;
}

.rps-history__chip--lose {
    background: rgba(244,63,94,0.1);
    border: 1px solid rgba(244,63,94,0.28);
    color: #fb7185;
}

.rps-history__chip--draw {
    background: rgba(245,158,11,0.1);
    border: 1px solid rgba(245,158,11,0.28);
    color: #fbbf24;
}

.rps-history__round {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.7;
}

.rps-history__choices { font-size: 1rem; letter-spacing: 1px; }

.rps-history__vs {
    font-size: 0.68rem;
    color: var(--text-muted);
    font-weight: 500;
}

.rps-history__result { font-size: 0.85rem; }

/* ============================================================
   RPS RESPONSIVE
   ============================================================ */
@media (max-width: 576px) {
    .rps-mode-grid { grid-template-columns: 1fr; max-width: 320px; }

    .rps-scorebar {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 0.75rem;
    }

    .rps-scorebar__side--player,
    .rps-scorebar__side--computer { align-items: center; }

    .rps-arena__versus { grid-template-columns: 1fr 44px 1fr; }

    .rps-choices { gap: 0.6rem; }
}

/* ============================================================
   SAVE-SCORE BANNER (in game Play views for guests)
   ============================================================ */
.save-score-banner {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    background: rgba(124,58,237,0.1);
    border: 1px solid rgba(124,58,237,0.28);
    border-radius: var(--radius-md);
    padding: 0.75rem 1.25rem;
    font-size: 0.855rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.save-score-link {
    color: var(--accent-primary-light);
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
    transition: color var(--transition-fast);
}

.save-score-link:hover { color: #fff; text-decoration: underline; }

/* ============================================================
   NAVBAR — USER AVATAR & DROPDOWN
   ============================================================ */
.hub-user-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 0.35rem 0.75rem 0.35rem 0.4rem;
    cursor: pointer;
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.855rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.hub-user-btn:hover, .hub-user-btn.show {
    background: rgba(255,255,255,0.1);
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.hub-user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.hub-user-initials {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
}

.hub-user-name {
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.hub-user-chevron {
    font-size: 0.65rem;
    opacity: 0.6;
    margin-left: 0.15rem;
}

.hub-signin-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.38rem 1rem;
    background: linear-gradient(135deg, var(--accent-primary), #4f46e5);
    border-radius: var(--radius-md);
    color: #fff;
    font-size: 0.855rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-fast);
    box-shadow: 0 2px 12px rgba(124,58,237,0.3);
}

.hub-signin-btn:hover {
    filter: brightness(1.15);
    transform: translateY(-1px);
    color: #fff;
    text-decoration: none;
}

.hub-dropdown {
    background: #1a1a2e;
    border: 1px solid var(--border-hover);
    border-radius: var(--radius-md);
    padding: 0.5rem;
    min-width: 200px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.5);
}

.hub-dropdown-header {
    padding: 0.5rem 0.75rem 0.6rem;
    line-height: 1.4;
}

.hub-dropdown-item {
    display: flex;
    align-items: center;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    color: var(--text-secondary) !important;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.hub-dropdown-item:hover {
    background: rgba(255,255,255,0.06);
    color: var(--text-primary) !important;
}

.hub-dropdown-item--danger:hover {
    background: rgba(244,63,94,0.1);
    color: #fb7185 !important;
}

.game-topbar-link {
    color: var(--text-muted);
    font-size: 1.05rem;
    text-decoration: none;
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
}

.game-topbar-link:hover { color: var(--accent-primary-light); }

/* ============================================================
   AUTH PAGES (Login, CompleteProfile)
   ============================================================ */
.auth-page {
    min-height: calc(100vh - 56px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    background:
        radial-gradient(ellipse 80% 50% at 50% -10%, rgba(124,58,237,0.22) 0%, transparent 65%);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow-hover);
    animation-duration: 0.4s;
}

.auth-card__back {
    display: inline-flex;
    align-items: center;
    font-size: 0.78rem;
    color: var(--text-muted);
    text-decoration: none;
    margin-bottom: 1.5rem;
    transition: color var(--transition-fast);
}

.auth-card__back:hover { color: var(--text-primary); }

.auth-card__header { text-align: center; margin-bottom: 2rem; }

.auth-card__logo {
    width: 68px;
    height: 68px;
    background: linear-gradient(135deg, #7c3aed, #4f46e5);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #fff;
    margin: 0 auto 1.25rem;
    box-shadow: 0 8px 28px rgba(124,58,237,0.4);
}

.auth-card__title {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
    letter-spacing: -0.5px;
}

.auth-card__sub {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin: 0;
}

.auth-error {
    background: rgba(244,63,94,0.1);
    border: 1px solid rgba(244,63,94,0.28);
    border-radius: var(--radius-sm);
    padding: 0.65rem 1rem;
    font-size: 0.855rem;
    color: #fb7185;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
}

/* Provider buttons */
.auth-card__providers {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.auth-provider-btn {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    width: 100%;
    padding: 0.72rem 1.25rem;
    border-radius: var(--radius-md);
    font-family: var(--font);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    color: var(--text-primary);
}

.auth-provider-btn:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--border-hover);
    transform: translateY(-1px);
}

.auth-provider-btn span { flex: 1; text-align: left; }

.auth-provider-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.auth-provider-icon-bs {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.auth-provider-btn--facebook .auth-provider-icon-bs { color: #1877F2; }

.auth-card__note {
    font-size: 0.76rem;
    color: var(--text-muted);
    text-align: center;
    line-height: 1.6;
    margin: 0;
}

/* CompleteProfile form */
.auth-form { display: flex; flex-direction: column; gap: 1.1rem; }

.auth-field { display: flex; flex-direction: column; gap: 0.4rem; }

.auth-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.auth-label-optional {
    font-weight: 400;
    color: var(--text-muted);
}

.auth-input {
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.95rem;
    padding: 0.7rem 1rem;
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    width: 100%;
}

.auth-input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(124,58,237,0.2);
    background: rgba(255,255,255,0.07);
}

.auth-validation {
    font-size: 0.78rem;
    color: #fb7185;
}

.auth-submit-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem;
    background: linear-gradient(135deg, #059669, #0891b2);
    border: none;
    border-radius: var(--radius-md);
    color: #fff;
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-top: 0.5rem;
    box-shadow: 0 4px 16px rgba(5,150,105,0.35);
}

.auth-submit-btn:hover {
    filter: brightness(1.12);
    transform: translateY(-1px);
}

/* ============================================================
   PROFILE PAGE
   ============================================================ */
.profile-page { padding: 2.5rem 0 5rem; }

.profile-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem 2rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.profile-header__avatar-wrap { flex-shrink: 0; }

.profile-header__avatar {
    width: 76px;
    height: 76px;
    border-radius: 50%;
    object-fit: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid rgba(124,58,237,0.4);
}

.profile-header__avatar--initials {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #fff;
    font-size: 2rem;
    font-weight: 800;
}

.profile-header__info { flex: 1; min-width: 0; }

.profile-header__name {
    font-size: 1.65rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0 0 0.4rem;
    letter-spacing: -0.5px;
}

.profile-header__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.855rem;
    color: var(--text-muted);
}

.profile-edit-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.45rem 1rem;
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.845rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.profile-edit-btn:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--border-hover);
    color: var(--text-primary);
    text-decoration: none;
}

.profile-section-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    letter-spacing: -0.2px;
}

.profile-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.2rem;
    margin-bottom: 1rem;
}

.profile-stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    gap: 1.1rem;
    align-items: flex-start;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.profile-stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.profile-stat-card__icon {
    width: 46px;
    height: 46px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: #fff;
    flex-shrink: 0;
}

.profile-stat-card__body { flex: 1; min-width: 0; }

.profile-stat-card__name {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.profile-stat-card__figures {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.profile-stat-fig { text-align: center; }

.profile-stat-fig__val {
    display: block;
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}

.profile-stat-fig__label {
    display: block;
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.2rem;
}

.profile-stat-card__badge {
    margin-top: 0.65rem;
    font-size: 0.76rem;
    color: var(--text-muted);
}

.profile-stat-card__empty {
    font-size: 0.845rem;
    color: var(--text-muted);
    font-style: italic;
}

.profile-empty {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--text-muted);
}

.profile-empty i { font-size: 3rem; display: block; margin-bottom: 1rem; opacity: 0.35; }
.profile-empty a { color: var(--accent-primary-light); }

/* Activity list */
.profile-activity {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.activity-row {
    display: grid;
    grid-template-columns: 36px 1fr auto auto;
    align-items: center;
    gap: 0.85rem;
    padding: 0.9rem 1.25rem;
    border-bottom: 1px solid var(--border);
    transition: background var(--transition-fast);
}

.activity-row:last-child { border-bottom: none; }
.activity-row:hover { background: rgba(255,255,255,0.025); }

.activity-row__icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    color: #fff;
    flex-shrink: 0;
}

.activity-row__body {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    min-width: 0;
}

.activity-row__game {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.activity-row__detail {
    font-size: 0.77rem;
    color: var(--text-muted);
}

.activity-badge {
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
}

.activity-badge--win  { background: rgba(16,185,129,0.14); color: #34d399; }
.activity-badge--lose { background: rgba(244,63,94,0.12);  color: #fb7185; }

.activity-row__time {
    font-size: 0.74rem;
    color: var(--text-muted);
    white-space: nowrap;
}

/* ============================================================
   LEADERBOARD PAGE
   ============================================================ */
.leaderboard-page { padding: 2.5rem 0 5rem; }

.leaderboard-hero {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.leaderboard-hero__icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #d97706, #f59e0b);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: #fff;
    flex-shrink: 0;
    box-shadow: 0 6px 20px rgba(217,119,6,0.4);
}

.leaderboard-hero__title {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.5px;
}

.leaderboard-hero__sub {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin: 0;
}

/* Tabs */
.leaderboard-tabs {
    display: flex;
    gap: 0.5rem;
    list-style: none;
    padding: 0;
    margin: 0 0 1.75rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0;
}

.leaderboard-tab-item { list-style: none; }

.leaderboard-tab {
    display: inline-flex;
    align-items: center;
    padding: 0.55rem 1.1rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
    position: relative;
    bottom: -1px;
}

.leaderboard-tab:hover { color: var(--text-secondary); }

.leaderboard-tab--active {
    color: var(--text-primary);
    border-bottom-color: var(--accent-primary);
    background: rgba(124,58,237,0.06);
}

/* Table */
.leaderboard-table-wrap {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    overflow-x: auto;
}

.leaderboard-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.leaderboard-table thead tr {
    background: rgba(255,255,255,0.03);
    border-bottom: 1px solid var(--border);
}

.leaderboard-table th {
    padding: 0.85rem 1rem;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    white-space: nowrap;
}

.lb-col-rank   { width: 52px; text-align: center; }
.lb-col-player { min-width: 160px; }
.lb-col-loc    { min-width: 110px; }
.lb-col-num    { width: 80px; text-align: center; }
.lb-col-date   { min-width: 110px; }

.lb-row {
    border-bottom: 1px solid var(--border);
    transition: background var(--transition-fast);
}

.lb-row:last-child { border-bottom: none; }
.lb-row:hover { background: rgba(255,255,255,0.025); }

.lb-row--me {
    background: rgba(124,58,237,0.08) !important;
    outline: 1px solid rgba(124,58,237,0.2);
}

.lb-row--me:hover { background: rgba(124,58,237,0.12) !important; }

.leaderboard-table td { padding: 0.8rem 1rem; color: var(--text-secondary); vertical-align: middle; }

.lb-cell-rank { text-align: center; }
.lb-cell-num  { text-align: center; }
.lb-cell-loc  { font-size: 0.82rem; color: var(--text-muted); }
.lb-cell-date { font-size: 0.8rem; color: var(--text-muted); }

.lb-medal { font-size: 1.2rem; line-height: 1; }

.lb-rank-num {
    font-size: 0.845rem;
    font-weight: 700;
    color: var(--text-muted);
}

.lb-player {
    display: flex;
    align-items: center;
    gap: 0.7rem;
}

.lb-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lb-avatar--initials {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
}

.lb-display-name {
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.lb-you-badge {
    font-size: 0.62rem;
    font-weight: 700;
    background: rgba(124,58,237,0.25);
    color: var(--accent-primary-light);
    border: 1px solid rgba(124,58,237,0.3);
    padding: 0.1rem 0.4rem;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.lb-winrate { font-weight: 700; }
.lb-winrate--high { color: #34d399; }
.lb-winrate--mid  { color: #fbbf24; }
.lb-winrate--low  { color: #fb7185; }

/* Empty state */
.leaderboard-empty {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--text-muted);
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

.leaderboard-empty i { font-size: 2.5rem; display: block; margin-bottom: 1rem; opacity: 0.35; }
.leaderboard-empty a { color: var(--accent-primary-light); }

/* Sign-in nudge (bottom of leaderboard for guests) */
.lb-signin-nudge {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    background: rgba(124,58,237,0.08);
    border: 1px solid rgba(124,58,237,0.22);
    border-radius: var(--radius-md);
    padding: 0.9rem 1.25rem;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 1.5rem;
}

.lb-signin-link {
    color: var(--accent-primary-light);
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
}

.lb-signin-link:hover { color: #fff; text-decoration: underline; }

/* ============================================================
   MEMORY MATCH GAME
   ============================================================ */
.mm-play { padding: 2rem 0 5rem; }

/* --- Picker --- */
.mm-picker { max-width: 780px; margin: 0 auto; }

.mm-picker__header { text-align: center; margin-bottom: 2.5rem; }

.mm-picker__icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, #db2777, #9333ea);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #fff;
    margin: 0 auto 1.25rem;
    box-shadow: 0 8px 28px rgba(219,39,119,0.4);
}

.mm-picker__title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
    letter-spacing: -0.5px;
}

.mm-picker__sub { font-size: 0.9rem; color: var(--text-muted); margin: 0; }

.mm-difficulty-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.mm-difficulty-btn {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem 1rem;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    transition: all var(--transition-base);
    color: var(--text-primary);
    font-family: var(--font);
}

.mm-difficulty-btn:hover {
    border-color: #db2777;
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(219,39,119,0.22);
    background: rgba(219,39,119,0.06);
}

.mm-difficulty-btn__badge {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    padding: 0.2rem 0.65rem;
    border-radius: 20px;
    align-self: flex-start;
}

.mm-difficulty-btn__badge--easy   { background: rgba(16,185,129,0.15); color: #34d399; }
.mm-difficulty-btn__badge--medium { background: rgba(245,158,11,0.15);  color: #fbbf24; }
.mm-difficulty-btn__badge--hard   { background: rgba(239,68,68,0.15);   color: #f87171; }
.mm-difficulty-btn__badge--expert { background: rgba(139,92,246,0.18);  color: #a78bfa; }

.mm-difficulty-btn__name {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
}

.mm-difficulty-btn__detail { font-size: 0.8rem; color: var(--text-muted); }

/* Mini grid preview inside difficulty button */
.mm-difficulty-btn__grid-preview {
    display: grid;
    gap: 3px;
    width: 64px;
}

.mm-grid-preview--4x3 { grid-template-columns: repeat(4, 1fr); }
.mm-grid-preview--4x4 { grid-template-columns: repeat(4, 1fr); }
.mm-grid-preview--5x4 { grid-template-columns: repeat(5, 1fr); }
.mm-grid-preview--6x4 { grid-template-columns: repeat(6, 1fr); width: 72px; }

.mm-difficulty-btn__grid-preview span {
    aspect-ratio: 1;
    background: rgba(255,255,255,0.06);
    border-radius: 2px;
    border: 1px solid rgba(255,255,255,0.08);
    transition: background var(--transition-fast);
}

.mm-difficulty-btn:hover .mm-difficulty-btn__grid-preview span {
    background: rgba(219,39,119,0.18);
    border-color: rgba(219,39,119,0.3);
}

/* --- Info Bar --- */
.mm-game { max-width: 780px; margin: 0 auto; }

.mm-info-bar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 0.85rem 1.25rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.mm-info-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 64px;
}

.mm-info-stat__icon { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 0.15rem; }

.mm-info-stat__val {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.mm-info-stat__sep { color: var(--text-muted); margin: 0 1px; font-weight: 400; }

.mm-info-stat__label { font-size: 0.62rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }

.mm-info-divider { width: 1px; height: 36px; background: var(--border); margin: 0 0.5rem; }

.mm-new-game-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.42rem 0.9rem;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-muted);
    font-family: var(--font);
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.mm-new-game-btn:hover {
    background: rgba(219,39,119,0.1);
    border-color: rgba(219,39,119,0.35);
    color: #f9a8d4;
}

/* Streak badge */
.mm-streak {
    text-align: center;
    font-size: 0.9rem;
    font-weight: 700;
    color: #fbbf24;
    padding: 0.3rem;
    margin-bottom: 0.5rem;
    min-height: 1.8rem;
}

/* --- Card Grid --- */
.mm-grid {
    display: grid;
    grid-template-columns: repeat(var(--mm-cols, 4), 1fr);
    gap: clamp(0.4rem, 1.5vw, 0.7rem);
}

/* --- Cards --- */
.mm-card {
    aspect-ratio: 1;
    cursor: pointer;
    perspective: 700px;
    user-select: none;
}

.mm-card__inner {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.42s cubic-bezier(0.4, 0, 0.2, 1);
}

.mm-card--flipped .mm-card__inner,
.mm-card--matched .mm-card__inner {
    transform: rotateY(180deg);
}

.mm-card__front,
.mm-card__back {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Face-down */
.mm-card__front {
    background: linear-gradient(145deg, #1e1b4b, #2d1b69);
    border: 1px solid rgba(124,58,237,0.22);
    color: rgba(124,58,237,0.35);
    font-size: clamp(1rem, 3.5vw, 1.6rem);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.mm-card:not(.mm-card--flipped):not(.mm-card--matched):hover .mm-card__front {
    border-color: rgba(219,39,119,0.55);
    box-shadow: 0 0 18px rgba(219,39,119,0.18);
    color: rgba(219,39,119,0.5);
}

/* Face-up */
.mm-card__back {
    background: linear-gradient(145deg, #2d1b69, #1e1b4b);
    border: 1px solid rgba(124,58,237,0.35);
    transform: rotateY(180deg);
    font-size: clamp(1.3rem, 4vw, 2.2rem);
}

/* Matched */
.mm-card--matched .mm-card__back {
    background: linear-gradient(145deg, rgba(16,185,129,0.12), rgba(5,150,105,0.08));
    border-color: rgba(16,185,129,0.45);
    box-shadow: 0 0 18px rgba(16,185,129,0.2);
    cursor: default;
}

/* Wrong flash — applied on inner so it affects the visible front briefly */
.mm-card--wrong .mm-card__front {
    border-color: rgba(244,63,94,0.65) !important;
    background: linear-gradient(145deg, rgba(244,63,94,0.1), rgba(220,38,38,0.08)) !important;
    box-shadow: 0 0 18px rgba(244,63,94,0.25) !important;
    animation: mm-wrong-pulse 0.45s ease;
}

@keyframes mm-wrong-pulse {
    0%   { box-shadow: 0 0 0   rgba(244,63,94,0);    }
    50%  { box-shadow: 0 0 28px rgba(244,63,94,0.45); }
    100% { box-shadow: 0 0 18px rgba(244,63,94,0.25); }
}

/* ============================================================
   RESPONSIVE (membership additions)
   ============================================================ */
@media (max-width: 576px) {
    .auth-card { padding: 2rem 1.25rem; border-radius: var(--radius-lg); }
    .auth-card__title { font-size: 1.35rem; }

    .profile-header { flex-direction: column; text-align: center; }
    .profile-header__meta { justify-content: center; }
    .profile-edit-btn { align-self: center; }
    .profile-stats-grid { grid-template-columns: 1fr; }

    .activity-row { grid-template-columns: 32px 1fr auto; }
    .activity-row__time { display: none; }

    .leaderboard-table th, .leaderboard-table td { padding: 0.65rem 0.6rem; }
    .lb-col-loc, .lb-cell-loc, .lb-cell-date, .lb-col-date { display: none; }

    .mm-difficulty-grid { grid-template-columns: repeat(2, 1fr); }
    .mm-info-bar { gap: 0.4rem; }
    .mm-info-divider { display: none; }
    .mm-info-stat { min-width: 52px; }
}