/* ==========================================================================
   playbox Solitaire (Klondike) - Design System & Stylesheet
   playboxlab.net
   ========================================================================== */

:root {
    /* Base Color Tokens (Midnight Dark Mode) */
    --bg-gradient: radial-gradient(circle at top right, #1e1b4b, #0f172a 60%, #020617);
    --card-bg: rgba(30, 41, 59, 0.75);
    --card-border: rgba(255, 255, 255, 0.1);
    --card-hover-border: rgba(99, 102, 241, 0.45);
    --card-shadow: 0 16px 36px rgba(0, 0, 0, 0.45);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --primary-glow: rgba(99, 102, 241, 0.35);
    --accent-color: #8b5cf6;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;

    /* Playing Card Specifics */
    --card-front-bg: #ffffff;
    --card-front-text-black: #1e293b;
    --card-front-text-red: #dc2626;
    --card-slot-bg: rgba(255, 255, 255, 0.05);
    --card-slot-border: rgba(255, 255, 255, 0.18);
    --card-back-bg: linear-gradient(135deg, #1e3a8a 0%, #1e1b4b 100%);
    --card-back-pattern: radial-gradient(circle, #3b82f6 10%, transparent 11%);
    --card-border-radius: 9px;
    --card-box-shadow: 0 4px 10px rgba(0, 0, 0, 0.28);

    /* Fonts & Radii */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    /* Solitaire Board Dimensions */
    --sol-gap: 12px;
    --card-width: 82px;
    --card-height: 118px;
    --cascade-offset: 24px;
    --cascade-offset-down: 14px;
}

/* Light Theme */
[data-theme="light"] {
    --bg-gradient: linear-gradient(135deg, #f0f4ff 0%, #e2e8f0 100%);
    --card-bg: rgba(255, 255, 255, 0.88);
    --card-border: rgba(0, 0, 0, 0.08);
    --card-hover-border: rgba(99, 102, 241, 0.5);
    --card-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;

    --card-slot-bg: rgba(0, 0, 0, 0.04);
    --card-slot-border: rgba(0, 0, 0, 0.14);
    --card-box-shadow: 0 3px 8px rgba(0, 0, 0, 0.12);
}

/* Casino Felt Green Theme */
[data-theme="green"] {
    --bg-gradient: radial-gradient(circle at center, #1b5e20 0%, #0d3813 65%, #05210b 100%);
    --card-bg: rgba(13, 56, 19, 0.75);
    --card-border: rgba(255, 255, 255, 0.15);
    --card-hover-border: #4ade80;
    --card-shadow: 0 20px 45px rgba(0, 0, 0, 0.6);
    --text-primary: #f8fafc;
    --text-secondary: #bbf7d0;
    --text-muted: #86efac;

    --primary-color: #22c55e;
    --primary-hover: #16a34a;
    --primary-glow: rgba(34, 197, 94, 0.4);

    --card-slot-bg: rgba(0, 0, 0, 0.25);
    --card-slot-border: rgba(255, 255, 255, 0.25);
}

/* Reset & Global */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    user-select: none;
    -webkit-user-select: none;
}

body {
    font-family: var(--font-body);
    background: var(--bg-gradient);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 16px;
    transition: background 0.3s ease;
    overflow-x: hidden;
}

.sol-layout {
    width: 100%;
    max-width: 1080px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Header */
.sol-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 4px;
}

.sol-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-link {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.brand-logo-img {
    width: 44px;
    height: 44px;
    object-fit: contain;
    filter: drop-shadow(0 4px 12px var(--primary-glow));
    transition: transform 0.25s ease;
}

.brand-link:hover .brand-logo-img {
    transform: scale(1.08) rotate(3deg);
}

.brand-text h1 {
    font-family: var(--font-heading);
    font-size: 1.55rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--text-primary);
}

.brand-text h1 span {
    color: var(--primary-color);
}

.brand-text .sub-title {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

.game-switch-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--card-border);
    padding: 5px 12px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    margin-left: 6px;
    transition: all 0.2s ease;
}

.game-switch-badge:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.sol-header-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.icon-btn {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

.icon-btn:hover {
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.icon-btn.active {
    color: var(--primary-color);
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.15);
}

.lang-btn {
    font-weight: 700;
    font-size: 0.85rem;
    padding: 0 10px;
    width: auto;
}

.guide-btn {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    height: 38px;
    padding: 0 12px;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 0.86rem;
    font-weight: 600;
    transition: all 0.2s ease;
}

.guide-btn:hover {
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

/* Control Ribbon */
.sol-ribbon {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    padding: 10px 16px;
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--card-shadow);
}

.ribbon-left {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 0 0 auto;
}

.ribbon-center {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex: 1 1 auto;
    min-width: 0;
}

.ribbon-right {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    flex: 0 0 auto;
    min-width: 360px; /* 자동 완성 버튼 표시 유무와 관계없이 우측 패널의 기본 width 비율을 안정적으로 유지 */
}

/* Mode / Deal Buttons */
.btn-toggle-group {
    display: inline-flex;
    background: rgba(0, 0, 0, 0.2);
    padding: 3px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--card-border);
}

.toggle-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 5px 10px;
    font-size: 0.82rem;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.toggle-btn:hover {
    color: var(--text-primary);
}

.toggle-btn.active {
    background: var(--primary-color);
    color: #ffffff;
    box-shadow: 0 2px 6px var(--primary-glow);
}

/* Stats Pill */
.stat-item {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.86rem;
    font-weight: 600;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
    padding: 5px 9px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--card-border);
    white-space: nowrap;
}

.stat-item i {
    color: var(--primary-color);
    font-size: 0.85rem;
}

.stat-item.score-vegas {
    color: #fbbf24;
}

.stat-item.score-vegas.score-negative {
    color: #ef4444;
}

/* Stock Slot Vegas Pass Badge (Floating "1/3") */
.stock-pass-badge {
    position: absolute;
    top: -8px;
    right: -6px;
    background: rgba(15, 23, 42, 0.92);
    border: 1.5px solid #f59e0b;
    color: #fbbf24;
    font-size: 0.74rem;
    font-weight: 800;
    padding: 2px 7px;
    border-radius: 999px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    z-index: 25;
    pointer-events: none;
    letter-spacing: 0.2px;
    white-space: nowrap;
    line-height: 1.2;
}

.stock-pass-badge.final-pass {
    border-color: #ef4444;
    color: #f87171;
    background: rgba(45, 10, 10, 0.95);
}

/* Action Buttons */
.action-btn {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    height: 35px;
    padding: 0 12px;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.84rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.action-btn:hover:not(:disabled) {
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.action-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.action-btn.primary {
    background: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
}

.action-btn.primary:hover {
    background: var(--primary-hover);
    box-shadow: 0 4px 12px var(--primary-glow);
}

.action-btn.btn-auto-finish {
    background: linear-gradient(135deg, #10b981, #059669);
    color: #ffffff;
    border-color: #10b981;
    animation: pulseAuto 1.5s infinite ease-in-out;
}

@keyframes pulseAuto {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    50% { transform: scale(1.04); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
}

/* Solitaire Table / Board */
.sol-board {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: 20px;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    gap: 24px;
    min-height: 620px;
    position: relative;
}

/* Upper Board: Stock, Waste, Foundations */
.board-upper {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--sol-gap);
}

.stock-waste-group, .foundations-group {
    display: flex;
    gap: var(--sol-gap);
    align-items: flex-start;
}

/* Lower Board: 7 Tableau Columns */
.board-tableau {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--sol-gap);
    min-height: 440px;
    align-items: stretch;
}

.tableau-col {
    display: flex;
    flex-direction: column;
    position: relative;
    min-height: 420px;
    height: 100%;
}

/* Slots & Card Placeholder */
.card-slot {
    width: var(--card-width);
    height: var(--card-height);
    border-radius: var(--card-border-radius);
    background: var(--card-slot-bg);
    border: 2px dashed var(--card-slot-border);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.card-slot.stock-slot {
    cursor: pointer;
}

.card-slot.stock-slot:hover {
    border-color: var(--primary-color);
}

.slot-icon {
    font-size: 1.7rem;
    color: rgba(255, 255, 255, 0.2);
    pointer-events: none;
}

[data-theme="light"] .slot-icon {
    color: rgba(0, 0, 0, 0.15);
}

.stock-recycle-icon {
    font-size: 1.8rem;
    color: var(--text-muted);
}

/* Waste Pile Stack (Turn 3 displays up to 3 cards fanned) */
.waste-slot {
    position: relative;
}

.waste-card-fan-0 { transform: translateX(0); }
.waste-card-fan-1 { transform: translateX(18px); }
.waste-card-fan-2 { transform: translateX(36px); }

/* Playing Card DOM Elements */
.card {
    width: var(--card-width);
    height: var(--card-height);
    border-radius: var(--card-border-radius);
    box-shadow: var(--card-box-shadow);
    cursor: pointer;
    position: absolute;
    box-sizing: border-box;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    touch-action: none;
}

.card.face-up {
    background: var(--card-front-bg);
    border: 1px solid rgba(0, 0, 0, 0.12);
    color: var(--card-front-text-black);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 6px;
}

.card.face-up.suit-hearts,
.card.face-up.suit-diamonds {
    color: var(--card-front-text-red);
}

.card.face-down {
    background: var(--card-back-bg);
    border: 2px solid #ffffff;
    box-shadow: inset 0 0 0 2px rgba(0, 0, 0, 0.3), var(--card-box-shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: default;
}

.card-back-pattern-box {
    width: calc(100% - 8px);
    height: calc(100% - 8px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 6px;
    background-image: 
        radial-gradient(#38bdf8 15%, transparent 16%),
        radial-gradient(#818cf8 15%, transparent 16%);
    background-size: 10px 10px;
    background-position: 0 0, 5px 5px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-back-logo {
    width: 28px;
    height: 28px;
    opacity: 0.9;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.4));
}

/* Card Face Details */
.card-corner {
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1;
    font-family: var(--font-heading);
    font-weight: 800;
    pointer-events: none;
}

.card-corner.top-left {
    align-self: flex-start;
}

.card-corner.bottom-right {
    align-self: flex-end;
    transform: rotate(180deg);
}

.card-rank {
    font-size: 1.05rem;
    font-weight: 800;
}

.card-suit-mini {
    font-size: 0.75rem;
    margin-top: 1px;
}

.card-center {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-grow: 1;
    font-size: 1.9rem;
    pointer-events: none;
}

.card-center.court-card {
    font-size: 1.7rem;
    font-weight: 800;
    font-family: var(--font-heading);
    opacity: 0.85;
}

/* Card Interaction States */
.card:hover.face-up {
    filter: brightness(1.03);
}

.card.dragging {
    opacity: 0.92;
    transform: scale(1.05);
    box-shadow: 0 20px 35px rgba(0, 0, 0, 0.45);
    z-index: 1000 !important;
    pointer-events: none;
}

.card.hint-glow {
    animation: hintPulse 1.2s infinite ease-in-out;
}

@keyframes hintPulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(234, 179, 8, 0.7), var(--card-box-shadow);
        transform: translateY(0);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(234, 179, 8, 0), var(--card-box-shadow);
        transform: translateY(-4px);
    }
}

.card.shake-invalid {
    animation: cardShake 0.35s ease-in-out;
}

@keyframes cardShake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-8px); }
    40% { transform: translateX(8px); }
    60% { transform: translateX(-5px); }
    80% { transform: translateX(5px); }
}

/* Fullscreen Win Animation Canvas */
#win-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 999;
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 16px;
    z-index: 1000;
    opacity: 1;
    transition: opacity 0.25s ease;
}

.modal-overlay.hidden {
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
}

.modal-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 520px;
    padding: 28px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
    color: var(--text-primary);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--card-border);
}

.modal-header h2 {
    font-family: var(--font-heading);
    font-size: 1.45rem;
    font-weight: 800;
}

.modal-close-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    transition: color 0.2s;
}

.modal-close-btn:hover {
    color: var(--text-primary);
}

/* Stats Modal Details */
.stats-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 18px;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 8px;
}

.stats-tab-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 6px 14px;
    font-size: 0.9rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.stats-tab-btn.active {
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-color);
}

.stats-mode-selector {
    display: flex;
    gap: 6px;
    margin-bottom: 18px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.stat-box {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    padding: 14px;
    text-align: center;
}

.stat-box .val {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.stat-box .lbl {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Ad Banner Placeholders */
.ad-slot-horizontal {
    background: rgba(255, 255, 255, 0.03);
    border: 1px dashed var(--card-border);
    border-radius: var(--radius-md);
    padding: 12px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    min-height: 60px;
}

.ad-slot-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* =========================================
   Vegas Rewarded Ad Modal (70vw x 70vh, matching Sudoku)
   ========================================= */
.modal-card.ad-modal-card {
    width: 70vw;
    height: 70vh;
    max-width: none;
    max-height: none;
    display: flex;
    flex-direction: column;
    padding: 0;
    overflow: hidden;
    background: var(--card-bg);
}

.ad-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background: rgba(0, 0, 0, 0.25);
    border-bottom: 1px solid var(--card-border);
    flex-shrink: 0;
}

.ad-badge-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.ad-sponsor-badge {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.ad-reward-badge {
    font-size: 0.82rem;
    font-weight: 700;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(5, 150, 105, 0.3));
    border: 1px solid rgba(16, 185, 129, 0.4);
    color: var(--success-color);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.ad-header-right {
    display: flex;
    align-items: center;
    gap: 14px;
}

.ad-timer-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.3), rgba(139, 92, 246, 0.3));
    border: 1.5px solid var(--primary-color);
    padding: 5px 16px;
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    color: #fff;
    box-shadow: 0 0 15px var(--primary-glow);
}

.ad-timer-pill i {
    color: var(--warning-color);
    animation: rotateSand 2s infinite linear;
}

@keyframes rotateSand {
    0% { transform: rotate(0deg); }
    50% { transform: rotate(180deg); }
    100% { transform: rotate(180deg); }
}

.ad-close-btn {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--card-border);
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.1rem;
    transition: all 0.2s ease;
}

.ad-close-btn:hover {
    background: var(--danger-color);
    color: #fff;
    border-color: var(--danger-color);
    transform: scale(1.08);
}

.ad-progress-container {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.08);
    overflow: hidden;
    flex-shrink: 0;
}

.ad-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), #ec4899, var(--success-color));
    transition: width 0.1s linear;
    box-shadow: 0 0 8px var(--primary-glow);
}

.ad-notice-bar {
    padding: 10px 24px;
    background: rgba(245, 158, 11, 0.1);
    border-bottom: 1px solid rgba(245, 158, 11, 0.2);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.86rem;
    color: var(--warning-color);
    font-weight: 600;
    flex-shrink: 0;
}

.ad-content-body {
    flex: 1;
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle at center, rgba(99, 102, 241, 0.12) 0%, rgba(15, 23, 42, 0.7) 80%);
    overflow-y: auto;
    text-align: center;
    gap: 18px;
}

.ad-promo-heading h3 {
    font-family: var(--font-heading);
    font-size: 1.55rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.ad-promo-heading p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    max-width: 580px;
    margin: 0 auto;
}

.ad-promo-game-card {
    width: 100%;
    max-width: 620px;
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.85) 0%, rgba(15, 23, 42, 0.95) 100%);
    border: 1.5px solid rgba(99, 102, 241, 0.35);
    border-radius: var(--radius-lg);
    padding: 22px 28px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
    display: flex;
    flex-direction: column;
    gap: 16px;
    text-align: left;
    position: relative;
    overflow: hidden;
}

.ad-promo-game-top {
    display: flex;
    align-items: center;
    gap: 16px;
}

.ad-promo-icon {
    width: 54px;
    height: 54px;
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7rem;
    color: #fff;
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
    flex-shrink: 0;
}

.ad-promo-info h4 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 4px;
}

.ad-promo-info p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.45;
}

.ad-promo-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
    padding-top: 14px;
    border-top: 1px solid var(--card-border);
}

.ad-open-btn {
    background: var(--primary-color);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.92rem;
    padding: 10px 22px;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
    box-shadow: 0 4px 14px var(--primary-glow);
}

.ad-open-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--primary-glow);
}

.ad-skip-btn {
    background: transparent;
    border: 1px solid var(--card-border);
    color: var(--text-muted);
    font-size: 0.85rem;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
}

.ad-skip-btn:hover {
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

/* Responsive Rules */
@media (max-width: 1060px) {
    .sol-ribbon {
        padding: 8px 12px;
        gap: 8px;
    }
    .ribbon-left {
        gap: 6px;
    }
    .toggle-btn {
        padding: 4px 8px;
        font-size: 0.8rem;
    }
    .stat-item {
        padding: 4px 7px;
        font-size: 0.82rem;
        gap: 4px;
    }
    .action-btn {
        padding: 0 10px;
        font-size: 0.82rem;
        gap: 5px;
        height: 33px;
    }
    .ribbon-right {
        gap: 6px;
        min-width: 325px;
    }
}

@media (max-width: 860px) {
    :root {
        --sol-gap: 8px;
        --card-width: 62px;
        --card-height: 90px;
        --cascade-offset: 18px;
        --cascade-offset-down: 10px;
    }

    body {
        padding: 8px;
    }

    .card-rank { font-size: 0.9rem; }
    .card-suit-mini { font-size: 0.65rem; }
    .card-center { font-size: 1.3rem; }
    .card-center.court-card { font-size: 1.15rem; }
    .slot-icon { font-size: 1.3rem; }

    .sol-ribbon {
        flex-wrap: wrap;
        padding: 10px 12px;
        gap: 10px;
    }

    .ribbon-left {
        order: 1;
    }

    .ribbon-right {
        order: 2;
        min-width: auto;
    }

    .ribbon-center {
        order: 3;
        width: 100%;
        justify-content: center;
        padding-top: 8px;
        border-top: 1px solid var(--card-border);
    }

    .modal-card.ad-modal-card {
        width: 92vw;
        height: 85vh;
    }
}

@media (max-width: 540px) {
    :root {
        --sol-gap: 4px;
        --card-width: calc((100vw - 48px) / 7);
        --card-height: calc(((100vw - 48px) / 7) * 1.42);
        --cascade-offset: 15px;
        --cascade-offset-down: 8px;
    }

    .sol-header {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }

    .sol-header-controls {
        width: 100%;
        justify-content: space-between;
    }

    .ribbon-center {
        width: 100%;
        justify-content: space-between;
    }

    .action-btn span {
        display: none;
    }
    
    .action-btn {
        padding: 0 10px;
    }

    .card {
        padding: 3px;
    }
}