/* ========================================
   METASQUARES - CYBER TACTICAL EDITION
   Cybersecurity-themed styling
   ======================================== */

:root {
    /* Color Palette - Cybersecurity Theme */
    --cyber-dark: #0a0e14;
    --cyber-darker: #050810;
    --cyber-blue: #00d9ff;
    --cyber-blue-glow: rgba(0, 217, 255, 0.3);
    --cyber-red: #ff2e63;
    --cyber-red-glow: rgba(255, 46, 99, 0.3);
    --cyber-green: #00ff41;
    --cyber-green-glow: rgba(0, 255, 65, 0.2);
    --cyber-purple: #bd00ff;
    --cyber-gray: #1a1f2e;
    --cyber-light-gray: #2d3548;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --grid-line: rgba(0, 217, 255, 0.2);
}

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

body {
    font-family: 'Courier New', monospace;
    background: linear-gradient(135deg, var(--cyber-darker) 0%, var(--cyber-dark) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Animated background effect */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 2px,
            rgba(0, 217, 255, 0.03) 2px,
            rgba(0, 217, 255, 0.03) 4px
        );
    pointer-events: none;
    z-index: 1;
    animation: scanline 8s linear infinite;
}

@keyframes scanline {
    0% { transform: translateY(0); }
    100% { transform: translateY(20px); }
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 2;
}

/* ========================================
   HEADER
   ======================================== */

.header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px;
    background: rgba(26, 31, 46, 0.6);
    border: 2px solid var(--cyber-blue);
    border-radius: 5px;
    box-shadow: 0 0 20px var(--cyber-blue-glow),
                inset 0 0 20px rgba(0, 217, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 217, 255, 0.1), transparent);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% { left: -100%; }
    100% { left: 100%; }
}

.logo {
    font-size: 3em;
    font-weight: bold;
    margin-bottom: 10px;
    text-shadow: 0 0 10px var(--cyber-blue);
}

.bracket {
    color: var(--cyber-green);
    font-size: 1.2em;
}

.title {
    color: var(--cyber-blue);
    letter-spacing: 5px;
}

.highlight {
    color: var(--cyber-red);
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.9em;
    letter-spacing: 3px;
}

/* ========================================
   MODE SELECTION
   ======================================== */

.mode-selection {
    text-align: center;
    padding: 40px;
    background: rgba(26, 31, 46, 0.8);
    border: 2px solid var(--cyber-green);
    border-radius: 10px;
    box-shadow: 0 0 30px var(--cyber-green-glow);
}

.section-title {
    color: var(--cyber-green);
    font-size: 1.5em;
    margin-bottom: 30px;
    text-shadow: 0 0 10px var(--cyber-green);
}

.mode-buttons {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
}

.mode-btn {
    padding: 30px 50px;
    font-size: 1.2em;
    font-family: 'Courier New', monospace;
    background: var(--cyber-gray);
    color: var(--text-primary);
    border: 2px solid var(--cyber-blue);
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    position: relative;
    overflow: hidden;
}

.mode-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--cyber-blue-glow), transparent);
    transition: left 0.5s;
}

.mode-btn:hover::before {
    left: 100%;
}

.mode-btn:hover {
    transform: translateY(-5px);
    border-color: var(--cyber-green);
    box-shadow: 0 5px 30px var(--cyber-blue-glow);
}

.btn-icon {
    font-size: 2em;
}

/* ========================================
   GAME AREA
   ======================================== */

.game-area {
    animation: fadeIn 0.5s ease-in;
}

.hidden {
    display: none !important;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ========================================
   SCORE PANEL
   ======================================== */

.score-panel {
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin-bottom: 20px;
    padding: 20px;
    background: rgba(26, 31, 46, 0.8);
    border: 2px solid var(--cyber-purple);
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(189, 0, 255, 0.3);
}

.score-item {
    text-align: center;
    padding: 15px 30px;
    border-radius: 5px;
    min-width: 200px;
}

.blue-team {
    border: 2px solid var(--cyber-blue);
    background: rgba(0, 217, 255, 0.05);
}

.red-team {
    border: 2px solid var(--cyber-red);
    background: rgba(255, 46, 99, 0.05);
}

.team-label {
    font-size: 0.9em;
    color: var(--text-secondary);
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.score-value {
    font-size: 3em;
    font-weight: bold;
    margin: 10px 0;
}

.blue-team .score-value {
    color: var(--cyber-blue);
    text-shadow: 0 0 15px var(--cyber-blue-glow);
}

.red-team .score-value {
    color: var(--cyber-red);
    text-shadow: 0 0 15px var(--cyber-red-glow);
}

.team-symbol {
    font-size: 1.5em;
    font-weight: bold;
    margin-top: 10px;
}

.vs-divider {
    font-size: 2em;
    color: var(--cyber-green);
    font-weight: bold;
    text-shadow: 0 0 10px var(--cyber-green);
}

/* ========================================
   TURN INDICATOR
   ======================================== */

.turn-indicator {
    text-align: center;
    padding: 15px;
    margin-bottom: 20px;
    background: rgba(26, 31, 46, 0.8);
    border: 2px solid var(--cyber-green);
    border-radius: 5px;
    font-size: 1.2em;
}

.turn-text {
    color: var(--text-secondary);
}

.turn-player {
    font-weight: bold;
    padding: 5px 15px;
    border-radius: 3px;
    margin-left: 10px;
}

.turn-player.blue {
    color: var(--cyber-blue);
    background: rgba(0, 217, 255, 0.1);
    text-shadow: 0 0 10px var(--cyber-blue);
}

.turn-player.red {
    color: var(--cyber-red);
    background: rgba(255, 46, 99, 0.1);
    text-shadow: 0 0 10px var(--cyber-red);
}

/* ========================================
   GAME BOARD
   ======================================== */

.board-container {
    margin-bottom: 30px;
    display: flex;
    justify-content: center;
}

.board-wrapper {
    display: inline-block;
}

.column-headers {
    display: grid;
    grid-template-columns: 40px repeat(8, 60px);
    margin-bottom: 5px;
}

.corner {
    width: 40px;
    height: 40px;
}

.col-header {
    width: 60px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cyber-blue);
    font-weight: bold;
    font-size: 1.2em;
    background: rgba(0, 217, 255, 0.05);
    border-radius: 3px;
}

.board {
    display: grid;
    grid-template-columns: 40px repeat(8, 60px);
    grid-template-rows: repeat(8, 60px);
    gap: 2px;
    background: var(--grid-line);
    padding: 2px;
    border: 3px solid var(--cyber-blue);
    border-radius: 5px;
    box-shadow: 0 0 30px var(--cyber-blue-glow),
                inset 0 0 30px rgba(0, 217, 255, 0.05);
}

.row-header {
    width: 40px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cyber-purple);
    font-weight: bold;
    font-size: 1.2em;
    background: rgba(189, 0, 255, 0.05);
    border-radius: 3px;
    cursor: default;
}

.cell {
    width: 60px;
    height: 60px;
    background: var(--cyber-gray);
    border: 1px solid var(--grid-line);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    font-size: 2em;
    font-weight: bold;
}

.cell::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--cyber-blue-glow);
    opacity: 0;
    transition: opacity 0.3s;
}

.cell:not(.row-header):hover::before {
    opacity: 1;
}

.cell.empty:not(.row-header):hover {
    border-color: var(--cyber-green);
    box-shadow: inset 0 0 10px var(--cyber-green-glow);
}

.cell.blue {
    color: var(--cyber-blue);
    text-shadow: 0 0 15px var(--cyber-blue);
    background: rgba(0, 217, 255, 0.1);
    animation: placeDisc 0.3s ease;
}

.cell.red {
    color: var(--cyber-red);
    text-shadow: 0 0 15px var(--cyber-red);
    background: rgba(255, 46, 99, 0.1);
    animation: placeDisc 0.3s ease;
}

.cell.occupied {
    cursor: not-allowed;
}

@keyframes placeDisc {
    0% { transform: scale(0); opacity: 0; }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); opacity: 1; }
}

/* ========================================
   EVENT LOG
   ======================================== */

.event-log {
    margin-bottom: 20px;
    background: rgba(26, 31, 46, 0.8);
    border: 2px solid var(--cyber-green);
    border-radius: 5px;
    overflow: hidden;
}

.log-title {
    padding: 10px 15px;
    background: rgba(0, 255, 65, 0.1);
    color: var(--cyber-green);
    border-bottom: 1px solid var(--cyber-green);
}

.log-content {
    height: 200px;
    overflow-y: auto;
    padding: 15px;
    font-size: 0.9em;
    line-height: 1.6;
}

.log-content::-webkit-scrollbar {
    width: 8px;
}

.log-content::-webkit-scrollbar-track {
    background: var(--cyber-gray);
}

.log-content::-webkit-scrollbar-thumb {
    background: var(--cyber-blue);
    border-radius: 4px;
}

.log-entry {
    margin-bottom: 8px;
    padding: 5px 10px;
    border-left: 3px solid var(--cyber-green);
    background: rgba(0, 255, 65, 0.03);
}

.log-entry.blue {
    border-left-color: var(--cyber-blue);
    color: var(--cyber-blue);
}

.log-entry.red {
    border-left-color: var(--cyber-red);
    color: var(--cyber-red);
}

.log-entry.info {
    border-left-color: var(--cyber-purple);
    color: var(--text-secondary);
}

/* ========================================
   CONTROLS
   ======================================== */

.controls {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.control-btn {
    padding: 15px 30px;
    font-size: 1em;
    font-family: 'Courier New', monospace;
    background: var(--cyber-gray);
    color: var(--text-primary);
    border: 2px solid var(--cyber-blue);
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.control-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--cyber-blue-glow);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.control-btn:hover::before {
    width: 300px;
    height: 300px;
}

.control-btn:hover {
    border-color: var(--cyber-green);
    box-shadow: 0 0 20px var(--cyber-blue-glow);
}

.control-btn span {
    position: relative;
    z-index: 1;
}

.control-btn.secondary {
    border-color: var(--cyber-red);
}

/* ========================================
   MODAL
   ======================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 14, 20, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: var(--cyber-gray);
    border: 3px solid var(--cyber-blue);
    border-radius: 10px;
    padding: 40px;
    max-width: 500px;
    text-align: center;
    box-shadow: 0 0 50px var(--cyber-blue-glow);
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-title {
    font-size: 2em;
    color: var(--cyber-red);
    margin-bottom: 20px;
    text-shadow: 0 0 20px var(--cyber-red);
}

.modal-message {
    font-size: 1.3em;
    margin-bottom: 30px;
    line-height: 1.6;
}

.modal-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.modal-btn {
    padding: 15px 30px;
    font-size: 1em;
    font-family: 'Courier New', monospace;
    border: 2px solid;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.modal-btn.primary {
    background: var(--cyber-blue);
    color: var(--cyber-dark);
    border-color: var(--cyber-blue);
}

.modal-btn.primary:hover {
    background: var(--cyber-green);
    border-color: var(--cyber-green);
    box-shadow: 0 0 20px var(--cyber-green-glow);
}

.modal-btn.secondary {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--cyber-red);
}

.modal-btn.secondary:hover {
    background: var(--cyber-red);
    box-shadow: 0 0 20px var(--cyber-red-glow);
}

/* ========================================
   INSTRUCTIONS MODAL
   ======================================== */

.instructions-content {
    max-width: 700px;
    max-height: 85vh;
    overflow-y: auto;
}

.instructions-content::-webkit-scrollbar {
    width: 8px;
}

.instructions-content::-webkit-scrollbar-track {
    background: var(--cyber-gray);
}

.instructions-content::-webkit-scrollbar-thumb {
    background: var(--cyber-blue);
    border-radius: 4px;
}

.instructions-body {
    text-align: left;
    margin-bottom: 25px;
    padding: 0 10px;
}

.instruction-section {
    color: var(--cyber-green);
    font-size: 1.3em;
    margin-bottom: 20px;
    text-shadow: 0 0 10px var(--cyber-green);
    border-bottom: 2px solid var(--cyber-green);
    padding-bottom: 10px;
}

.rule-block {
    margin-bottom: 20px;
    padding: 15px;
    background: rgba(0, 217, 255, 0.03);
    border-left: 3px solid var(--cyber-blue);
    border-radius: 3px;
}

.rule-block.important {
    border-left-color: var(--cyber-red);
    background: rgba(255, 46, 99, 0.05);
}

.rule-block h4 {
    color: var(--cyber-blue);
    font-size: 1.1em;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.rule-block p {
    margin-bottom: 10px;
    line-height: 1.8;
    color: var(--text-primary);
}

.rule-block ul {
    margin-left: 20px;
    margin-bottom: 10px;
}

.rule-block li {
    margin-bottom: 8px;
    line-height: 1.6;
}

.rule-block strong {
    color: var(--cyber-green);
}

.rule-block em {
    color: var(--text-secondary);
    font-style: italic;
}

.disc-red {
    color: var(--cyber-red);
    font-weight: bold;
    padding: 2px 8px;
    background: rgba(255, 46, 99, 0.1);
    border-radius: 3px;
}

.disc-blue {
    color: var(--cyber-blue);
    font-weight: bold;
    padding: 2px 8px;
    background: rgba(0, 217, 255, 0.1);
    border-radius: 3px;
}

.formula {
    background: var(--cyber-gray);
    padding: 15px;
    margin: 15px 0;
    border: 2px solid var(--cyber-purple);
    border-radius: 5px;
    text-align: center;
    font-size: 1.2em;
    color: var(--cyber-purple);
    font-weight: bold;
    letter-spacing: 1px;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 768px) {
    .logo {
        font-size: 2em;
    }
    
    .score-panel {
        flex-direction: column;
        gap: 20px;
    }
    
    .vs-divider {
        transform: rotate(90deg);
    }
    
    .cell, .row-header {
        width: 45px;
        height: 45px;
        font-size: 1.5em;
    }
    
    .col-header {
        width: 45px;
    }
    
    .column-headers {
        grid-template-columns: 35px repeat(8, 45px);
    }
    
    .board {
        grid-template-columns: 35px repeat(8, 45px);
        grid-template-rows: repeat(8, 45px);
    }
}