/* ================================
   Make a Line - Premium Styles
   ================================ */

:root {
    /* Color Palette */
    --bg-primary: #0a0a1a;
    --bg-secondary: #12122a;
    --bg-card: rgba(255, 255, 255, 0.05);
    --bg-glass: rgba(255, 255, 255, 0.08);

    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.4);

    --red-glow: #ff4757;
    --red-light: #ff6b7a;
    --red-dark: #c0392b;

    --green-glow: #2ed573;
    --green-light: #7bed9f;
    --green-dark: #1e8449;

    --accent-purple: #a55eea;
    --accent-blue: #3742fa;
    --accent-gold: #ffd32a;

    /* Board Colors */
    --board-bg: linear-gradient(135deg, #1a1a3e 0%, #0f0f2a 100%);
    --line-color: rgba(255, 255, 255, 0.3);
    --position-bg: rgba(255, 255, 255, 0.1);
    --position-hover: rgba(255, 255, 255, 0.2);

    /* Shadows */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow-red: 0 0 30px rgba(255, 71, 87, 0.5);
    --shadow-glow-green: 0 0 30px rgba(46, 213, 115, 0.5);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Sizing */
    --board-size: min(90vw, 400px);
    --piece-size: 50px;
    --position-size: 60px;
}

/* ================================
   Base Styles
   ================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Outfit', sans-serif;
    background: var(--bg-primary);
    background-image:
        radial-gradient(ellipse at top, rgba(165, 94, 234, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at bottom, rgba(55, 66, 250, 0.1) 0%, transparent 50%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-primary);
    overflow-x: hidden;
}

/* ================================
   Shape Selector
   ================================ */

.shape-selector-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 1;
    visibility: visible;
    transition: var(--transition-normal);
}

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

.shape-selector-content {
    max-width: 600px;
    width: 90%;
    text-align: center;
    padding: 20px;
}

.selector-title {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--red-light) 50%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.selector-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 32px;
}

.shape-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.shape-card {
    background: var(--bg-glass);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 20px 16px;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.shape-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-purple);
    box-shadow: 0 10px 40px rgba(165, 94, 234, 0.3);
}

.shape-card:active {
    transform: translateY(-2px);
}

.shape-preview {
    width: 80px;
    height: 80px;
}

.shape-preview svg {
    width: 100%;
    height: 100%;
}

.shape-preview svg line {
    stroke: var(--line-color);
    stroke-width: 2;
}

.shape-preview svg circle {
    fill: var(--text-secondary);
}

.shape-card:hover .shape-preview svg circle {
    fill: var(--accent-purple);
}

.shape-name {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
}

.shape-info {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ================================
   Game Container
   ================================ */

.game-container {
    width: 100%;
    max-width: 480px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

/* ================================
   Header
   ================================ */

.game-header {
    text-align: center;
}

.game-title {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--red-light) 50%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 40px rgba(255, 211, 42, 0.3);
    letter-spacing: -0.02em;
}

.game-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 300;
    margin-top: 4px;
}

/* ================================
   Game Info Bar
   ================================ */

.game-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    gap: 12px;
}

.player-card {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 12px 16px;
    transition: var(--transition-normal);
}

.player-card.active {
    transform: scale(1.05);
}

.player-human.active {
    border-color: var(--red-glow);
    box-shadow: var(--shadow-glow-red);
}

.player-ai.active {
    border-color: var(--green-glow);
    box-shadow: var(--shadow-glow-green);
}

.player-piece {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 3px solid rgba(0, 0, 0, 0.3);
}

.player-piece.red {
    background: radial-gradient(circle at 30% 30%, var(--red-light), var(--red-dark));
    box-shadow: 0 0 15px rgba(255, 71, 87, 0.5);
}

.player-piece.green {
    background: radial-gradient(circle at 30% 30%, var(--green-light), var(--green-dark));
    box-shadow: 0 0 15px rgba(46, 213, 115, 0.5);
}

.player-details {
    display: flex;
    flex-direction: column;
}

.player-name {
    font-weight: 600;
    font-size: 0.9rem;
}

.player-pieces {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.turn-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.phase-badge {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-purple);
    background: rgba(165, 94, 234, 0.15);
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 500;
}

.current-turn {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-primary);
}

/* ================================
   Game Board
   ================================ */

.board-container {
    position: relative;
    width: var(--board-size);
    height: var(--board-size);
    background: var(--board-bg);
    border-radius: 24px;
    padding: 25px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.board-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.board-lines line {
    stroke: var(--line-color);
    stroke-width: 3;
    stroke-linecap: round;
}

.board-grid {
    position: relative;
    width: 100%;
    height: 100%;
}

.board-position {
    position: absolute;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: var(--transition-fast);
    width: var(--position-size);
    height: var(--position-size);
    transform: translate(-50%, -50%);
}

.board-position::before {
    content: '';
    width: 100%;
    height: 100%;
    background: var(--position-bg);
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.15);
    transition: var(--transition-normal);
}

.board-position:hover::before {
    background: var(--position-hover);
    border-color: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.board-position.occupied::before {
    display: none;
}

.board-position.selected::before {
    border-color: var(--accent-gold);
    box-shadow: 0 0 20px rgba(255, 211, 42, 0.5);
    animation: pulse 1s infinite;
}

.board-position.valid-move::before {
    background: rgba(46, 213, 115, 0.3);
    border-color: var(--green-glow);
    animation: pulse 1s infinite;
}

.board-position.disabled {
    pointer-events: none;
    opacity: 0.5;
}

/* Game Pieces */
.game-piece {
    width: var(--piece-size);
    height: var(--piece-size);
    border-radius: 50%;
    border: 4px solid rgba(0, 0, 0, 0.3);
    position: absolute;
    transition: var(--transition-normal);
    cursor: pointer;
    z-index: 10;
    transform: translate(-50%, -50%);
}

.game-piece.red {
    background: radial-gradient(circle at 30% 30%, var(--red-light), var(--red-dark));
    box-shadow: var(--shadow-glow-red), inset 0 -5px 15px rgba(0, 0, 0, 0.3);
}

.game-piece.green {
    background: radial-gradient(circle at 30% 30%, var(--green-light), var(--green-dark));
    box-shadow: var(--shadow-glow-green), inset 0 -5px 15px rgba(0, 0, 0, 0.3);
}

.game-piece.selected {
    transform: translate(-50%, -50%) scale(1.15);
    box-shadow: 0 0 40px rgba(255, 211, 42, 0.7);
    border-color: var(--accent-gold);
}

.game-piece.winning {
    animation: winPulse 0.5s ease infinite alternate;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.6;
    }
}

@keyframes winPulse {
    0% {
        transform: translate(-50%, -50%) scale(1);
    }

    100% {
        transform: translate(-50%, -50%) scale(1.15);
    }
}

@keyframes piecePlace {
    0% {
        transform: translate(-50%, -50%) scale(0);
        opacity: 0;
    }

    50% {
        transform: translate(-50%, -50%) scale(1.2);
    }

    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
}

.game-piece.placing {
    animation: piecePlace 0.4s ease-out forwards;
}

/* ================================
   Game Message
   ================================ */

.game-message {
    text-align: center;
    padding: 12px 24px;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.message-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ================================
   Move Counter
   ================================ */

.move-counter {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ================================
   Controls
   ================================ */

.game-controls {
    display: flex;
    gap: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-blue) 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(165, 94, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(165, 94, 234, 0.5);
}

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

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

/* ================================
   Modal
   ================================ */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 1000;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 40px;
    text-align: center;
    transform: scale(0.9);
    transition: var(--transition-normal);
    max-width: 90%;
    width: 360px;
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.modal-icon {
    font-size: 4rem;
    margin-bottom: 16px;
}

.modal-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--red-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-title.lose {
    background: linear-gradient(135deg, var(--green-light) 0%, var(--green-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-message {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.modal-btn {
    width: 100%;
}

/* ================================
   Responsive Design
   ================================ */

@media (max-width: 600px) {
    .shape-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .selector-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .game-container {
        padding: 16px;
        gap: 16px;
    }

    .game-title {
        font-size: 2rem;
    }

    .player-card {
        padding: 8px 12px;
    }

    .player-piece {
        width: 22px;
        height: 22px;
    }

    .player-name {
        font-size: 0.8rem;
    }

    .player-pieces {
        font-size: 0.65rem;
    }

    :root {
        --position-size: 50px;
        --piece-size: 42px;
    }

    .board-container {
        padding: 20px;
        border-radius: 20px;
    }

    .shape-preview {
        width: 60px;
        height: 60px;
    }

    .game-controls {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
    }
}

@media (max-width: 360px) {
    :root {
        --position-size: 42px;
        --piece-size: 36px;
    }

    .game-info {
        flex-wrap: wrap;
        justify-content: center;
    }

    .turn-indicator {
        order: -1;
        width: 100%;
        margin-bottom: 8px;
    }

    .shape-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .shape-card {
        padding: 12px 8px;
    }
}