/**
 * KHEL ADDA - WORD CHAIN (अक्षर शृंखला) GAME STYLESHEET
 */

:root {
    --wg-bg-dark: #0f172a;
    --wg-card-bg: rgba(30, 41, 59, 0.95);
    --wg-accent-gold: #f59e0b;
    --wg-player-a: #3b82f6; /* Blue for Player A */
    --wg-player-a-dark: #1d4ed8;
    --wg-player-b: #ef4444; /* Red for Player B */
    --wg-player-b-dark: #b91c1c;
    --wg-player-c: #10b981; /* Green for Player C */
    --wg-player-c-dark: #047857;
    --wg-player-d: #8b5cf6; /* Purple for Player D */
    --wg-player-d-dark: #6d28d9;
    --wg-empty-cell: #1e293b;
    --wg-empty-hover: #334155;
    --wg-border-gold: rgba(245, 158, 11, 0.4);
}

.wg-wrapper {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
}

/* Header & Status Bar */
.wg-header-card {
    background: linear-gradient(135deg, #1e293b, #0f172a);
    border: 2px solid var(--wg-border-gold);
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    margin-bottom: 30px;
    position: relative;
    overflow: hidden;
}

.wg-title-area {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
}

.wg-title {
    font-size: 26px;
    font-weight: 800;
    color: var(--wg-accent-gold);
    display: flex;
    align-items: center;
    gap: 12px;
}

.wg-controls {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.wg-btn {
    padding: 10px 20px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 14px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.wg-btn-primary {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #0f172a;
}

.wg-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(245, 158, 11, 0.4);
}

.wg-btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #e2e8f0;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.wg-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Scoreboard */
.wg-scoreboard-wrapper {
    background: rgba(15, 23, 42, 0.8);
    padding: 16px 24px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.wg-scoreboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
    align-items: center;
}

.wg-player-box {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 14px;
    transition: all 0.3s ease;
}

.wg-player-box.player-a {
    background: rgba(59, 130, 246, 0.15);
    border: 2px solid rgba(59, 130, 246, 0.4);
}

.wg-player-box.player-b {
    background: rgba(239, 68, 68, 0.15);
    border: 2px solid rgba(239, 68, 68, 0.4);
}

.wg-player-box.player-c {
    background: rgba(16, 185, 129, 0.15);
    border: 2px solid rgba(16, 185, 129, 0.4);
}

.wg-player-box.player-d {
    background: rgba(139, 92, 246, 0.15);
    border: 2px solid rgba(139, 92, 246, 0.4);
}

.wg-player-box.active-turn {
    transform: scale(1.03);
}

.wg-player-box.player-a.active-turn {
    border-color: var(--wg-player-a);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.6);
}

.wg-player-box.player-b.active-turn {
    border-color: var(--wg-player-b);
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.6);
}

.wg-player-box.player-c.active-turn {
    border-color: var(--wg-player-c);
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.6);
}

.wg-player-box.player-d.active-turn {
    border-color: var(--wg-player-d);
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.6);
}

.wg-player-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 800;
    color: #ffffff;
}

.player-a .wg-player-avatar {
    background: linear-gradient(135deg, var(--wg-player-a), var(--wg-player-a-dark));
}

.player-b .wg-player-avatar {
    background: linear-gradient(135deg, var(--wg-player-b), var(--wg-player-b-dark));
}

.player-c .wg-player-avatar {
    background: linear-gradient(135deg, var(--wg-player-c), var(--wg-player-c-dark));
}

.player-d .wg-player-avatar {
    background: linear-gradient(135deg, var(--wg-player-d), var(--wg-player-d-dark));
}

.wg-player-info {
    flex-grow: 1;
}

.wg-player-name {
    font-weight: 700;
    font-size: 16px;
    color: #f8fafc;
}

.wg-player-score {
    font-size: 24px;
    font-weight: 900;
    color: var(--wg-accent-gold);
}

.wg-vs-divider {
    text-align: center;
}

.wg-turn-badge {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #0f172a;
    padding: 6px 14px;
    border-radius: 20px;
    font-weight: 800;
    font-size: 13px;
    display: inline-block;
    animation: pulseTurn 1.5s infinite alternate;
}

@keyframes pulseTurn {
    0% { transform: scale(1); }
    100% { transform: scale(1.08); }
}

/* Main Layout Grid & Sidebar */
.wg-main-container {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 30px;
}

@media (max-width: 900px) {
    .wg-main-container {
        grid-template-columns: 1fr;
    }
}

/* Game Board Box */
.wg-board-card {
    background: var(--wg-card-bg);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.wg-grid {
    display: grid;
    gap: 10px;
    margin: 10px 0 24px 0;
    max-width: 100%;
}

.wg-cell {
    width: 65px;
    height: 65px;
    background: var(--wg-empty-cell);
    border: 2px dashed rgba(255, 255, 255, 0.2);
    border-radius: 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    font-weight: 900;
    color: #ffffff;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    user-select: none;
}

.wg-cell:hover:not(.occupied) {
    background: var(--wg-empty-hover);
    border-color: var(--wg-accent-gold);
    transform: translateY(-3px) scale(1.04);
}

.wg-cell.selected {
    border: 3px solid var(--wg-accent-gold);
    box-shadow: 0 0 16px var(--wg-accent-gold);
    animation: selectedPulse 1s infinite alternate;
}

@keyframes selectedPulse {
    0% { transform: scale(1); }
    100% { transform: scale(1.06); }
}

.wg-cell.occupied {
    border-style: solid;
    cursor: not-allowed;
}

.wg-cell.occupied.player-a {
    background: linear-gradient(135deg, #1e3a8a, #1d4ed8);
    border-color: #60a5fa;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.wg-cell.occupied.player-b {
    background: linear-gradient(135deg, #881337, #b91c1c);
    border-color: #f87171;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.wg-cell.occupied.player-c {
    background: linear-gradient(135deg, #064e3b, #047857);
    border-color: #34d399;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.wg-cell.occupied.player-d {
    background: linear-gradient(135deg, #4c1d95, #6d28d9);
    border-color: #a78bfa;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.wg-cell-owner-tag {
    position: absolute;
    bottom: 3px;
    font-size: 9px;
    font-weight: 800;
    opacity: 0.8;
    letter-spacing: 0.5px;
}

/* Keyboard / Letter Selector Palette */
.wg-letter-palette {
    width: 100%;
    max-width: 600px;
    background: rgba(15, 23, 42, 0.9);
    padding: 16px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    margin-top: 10px;
}

.wg-palette-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--wg-accent-gold);
    text-align: center;
    margin-bottom: 12px;
}

.wg-letters-grid {
    display: grid;
    grid-template-columns: repeat(13, 1fr);
    gap: 6px;
}

@media (max-width: 600px) {
    .wg-cell {
        width: 48px;
        height: 48px;
        font-size: 20px;
    }
    .wg-letters-grid {
        grid-template-columns: repeat(7, 1fr);
    }
}

.wg-key-btn {
    padding: 8px 0;
    background: #334155;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: #f8fafc;
    font-weight: 800;
    font-size: 15px;
    cursor: pointer;
    transition: all 0.15s ease;
    text-align: center;
}

.wg-key-btn:hover:not(:disabled) {
    background: var(--wg-accent-gold);
    color: #0f172a;
    transform: scale(1.1);
}

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

/* Sidebar & Sequences Analyzer */
.wg-sidebar-card {
    background: var(--wg-card-bg);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.wg-sidebar-title {
    font-size: 18px;
    font-weight: 800;
    color: var(--wg-accent-gold);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 10px;
}

.wg-rule-box {
    background: rgba(15, 23, 42, 0.7);
    border-left: 4px solid var(--wg-accent-gold);
    padding: 12px 14px;
    border-radius: 8px;
    font-size: 13px;
    color: #cbd5e1;
    margin-bottom: 20px;
    line-height: 1.5;
}

.wg-sequence-list {
    max-height: 400px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.wg-sequence-item {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 12px 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.wg-seq-word {
    font-family: monospace;
    font-size: 18px;
    font-weight: 800;
    letter-spacing: 2px;
    color: #f8fafc;
}

.wg-seq-valid {
    color: #2ecc71;
    border-color: #2ecc71;
}

.wg-seq-badge {
    background: rgba(245, 158, 11, 0.2);
    color: var(--wg-accent-gold);
    padding: 4px 10px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 12px;
}

.wg-empty-state {
    text-align: center;
    color: #94a3b8;
    font-size: 13px;
    padding: 20px 0;
}

/* Modal Popup for Game Over */
.wg-gameover-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.wg-gameover-overlay.active {
    display: flex;
}

.wg-gameover-card {
    background: linear-gradient(135deg, #1e293b, #0f172a);
    border: 2px solid var(--wg-accent-gold);
    border-radius: 24px;
    padding: 36px;
    width: 90%;
    max-width: 480px;
    text-align: center;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
    animation: popIn 0.3s ease-out;
}

@keyframes popIn {
    0% { transform: scale(0.8); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.wg-trophy-icon {
    font-size: 60px;
    color: var(--wg-accent-gold);
    margin-bottom: 16px;
}

.wg-winner-title {
    font-size: 28px;
    font-weight: 900;
    color: #f8fafc;
    margin-bottom: 10px;
}

.wg-winner-desc {
    color: #cbd5e1;
    font-size: 15px;
    margin-bottom: 24px;
}

/* Mobile Responsive Optimizations for Word Game */
@media (max-width: 768px) {
    .wg-wrapper {
        padding: 0 10px;
        margin: 15px auto;
    }

    .wg-header-card {
        padding: 14px;
        border-radius: 16px;
        margin-bottom: 16px;
    }

    .wg-title-area {
        flex-direction: column;
        align-items: center;
        gap: 12px;
        margin-bottom: 14px;
    }

    .wg-title {
        font-size: 20px;
        justify-content: center;
    }

    .wg-controls {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 8px;
        width: 100%;
    }

    .wg-controls select, .wg-controls button {
        width: 100% !important;
        padding: 9px 10px !important;
        font-size: 13px !important;
        justify-content: center;
    }

    .wg-scoreboard-wrapper {
        padding: 12px 10px;
        border-radius: 14px;
    }

    .wg-scoreboard {
        grid-template-columns: 1fr 1fr !important;
        gap: 8px !important;
    }

    .wg-player-box {
        padding: 8px 10px;
        gap: 8px;
        border-radius: 10px;
    }

    .wg-player-avatar {
        width: 34px;
        height: 34px;
        font-size: 14px;
        flex-shrink: 0;
    }

    .wg-player-name {
        font-size: 12px;
        line-height: 1.2;
    }

    .wg-player-score {
        font-size: 16px;
    }

    .wg-board-card {
        padding: 14px 10px;
        border-radius: 16px;
    }

    .wg-grid {
        gap: 6px;
        margin: 10px 0 16px 0;
    }

    .wg-cell {
        width: min(54px, 15vw);
        height: min(54px, 15vw);
        font-size: clamp(16px, 4vw, 24px);
        border-radius: 10px;
    }

    .wg-cell-owner-tag {
        font-size: 8px;
        bottom: 2px;
    }

    .wg-letter-palette {
        padding: 12px 10px;
        border-radius: 14px;
    }

    .wg-palette-title {
        font-size: 13px;
        margin-bottom: 8px;
    }

    .wg-letters-grid {
        grid-template-columns: repeat(7, 1fr);
        gap: 4px;
    }

    .wg-key-btn {
        padding: 7px 0;
        font-size: 13px;
        border-radius: 6px;
    }

    .wg-sidebar-card {
        padding: 16px;
        border-radius: 16px;
    }
}