/* Professional Gaming Library UI - Shared Styles */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #0a0e27;
    color: #fff;
    height: 100vh;
    overflow: hidden;
}

/* Animated Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(99, 102, 241, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(168, 85, 247, 0.2) 0%, transparent 50%);
    z-index: -1;
    animation: bgShift 20s ease infinite;
}

@keyframes bgShift {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

.game-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 12px 20px;
    margin-bottom: 15px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.header h1 {
    font-size: 1.8em;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.back-btn, .logout-btn {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 8px 16px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 0.9em;
    font-weight: 500;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

.back-btn:hover, .logout-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

/* Screen Container */
.screen {
    animation: fadeIn 0.5s ease-in;
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    overflow-x: hidden;
}

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

/* Mode Selection */
.mode-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.mode-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 35px;
    text-align: center;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.mode-card:hover {
    transform: translateY(-10px) scale(1.02);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.4);
}

.mode-icon {
    font-size: 3.5em;
    margin-bottom: 15px;
    filter: drop-shadow(0 0 20px currentColor);
}

.mode-card h2 {
    font-size: 1.6em;
    margin-bottom: 10px;
    font-weight: 600;
}

.mode-card p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.5;
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-copy {
    padding: 14px 40px;
    font-size: 1.1em;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 600;
    margin: 6px;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.6);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-3px);
}

.btn-copy {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 0.9em;
    padding: 10px 20px;
}

/* Setup Screens */
.setup-box {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 20px 40px;
    max-width: 900px;
    width: 90%;
    margin: 5px auto;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    max-height: calc(100vh - 100px);
    overflow: hidden;
}

.setup-box::-webkit-scrollbar {
    display: none;
}

.setup-box h2 {
    font-size: 1.8em;
    margin-bottom: 10px;
    font-weight: 700;
}

.setup-box p {
    margin-bottom: 8px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 1em;
}

.hint {
    font-size: 0.9em;
    color: rgba(251, 191, 36, 0.9);
    margin-bottom: 15px !important;
    background: rgba(251, 191, 36, 0.15);
    padding: 10px;
    border-radius: 10px;
    border: 1px solid rgba(251, 191, 36, 0.3);
}

/* Input Fields */
.word-input, .code-input {
    width: 100%;
    max-width: 400px;
    padding: 14px;
    font-size: 1.3em;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.08);
    color: white;
    text-align: center;
    margin: 12px 0;
    text-transform: uppercase;
    font-weight: 600;
}

.word-input::placeholder, .code-input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.word-input:focus, .code-input:focus {
    outline: none;
    border-color: rgba(99, 102, 241, 0.6);
    background: rgba(255, 255, 255, 0.12);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

/* Co-op Options */
.coop-options {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 25px;
    align-items: center;
    margin-top: 15px;
}

.option-box {
    background: rgba(255, 255, 255, 0.05);
    padding: 25px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.option-box h3 {
    margin-bottom: 10px;
    font-size: 1.4em;
}

.option-box p {
    font-size: 0.95em;
    margin-bottom: 15px;
}

.divider-text {
    font-size: 1.4em;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.4);
}

/* Party Code Display */
.code-display {
    margin: 15px 0;
}

.party-code {
    font-size: 2.2em;
    font-weight: 800;
    letter-spacing: 6px;
    color: #fbbf24;
    background: rgba(0, 0, 0, 0.3);
    padding: 15px;
    border-radius: 15px;
    margin: 12px 0;
    text-shadow: 0 0 20px rgba(251, 191, 36, 0.5);
    border: 1px solid rgba(251, 191, 36, 0.3);
}

.waiting-area {
    margin: 25px 0;
}

.waiting-text {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 15px;
    font-size: 1.05em;
}

.spinner {
    width: 45px;
    height: 45px;
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-top-color: #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Game Header */
.coop-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.party-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.party-label {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9em;
}

.party-code-small {
    font-weight: 700;
    font-size: 1.1em;
    color: #fbbf24;
}

.player-name {
    font-weight: 600;
    font-size: 0.95em;
}

/* Result Screen */
.result-box {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 50px;
    max-width: 550px;
    margin: 40px auto;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.trophy {
    font-size: 4.5em;
    margin-bottom: 18px;
    animation: bounce 1s ease infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.result-box h2 {
    font-size: 2.2em;
    margin-bottom: 18px;
    font-weight: 700;
}

.result-message {
    font-size: 1.2em;
    margin-bottom: 25px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
}

/* Message */
.message {
    text-align: center;
    font-size: 1.1em;
    margin: 10px 0;
    min-height: 30px;
    font-weight: 600;
}

.message.win {
    color: #4ade80;
    text-shadow: 0 0 10px rgba(74, 222, 128, 0.5);
}

.message.lose, .message.error {
    color: #f87171;
}

/* Responsive */
@media (max-width: 768px) {
    .coop-options {
        grid-template-columns: 1fr;
    }
    
    .divider-text {
        margin: 15px 0;
    }
    
    .mode-cards {
        grid-template-columns: 1fr;
    }
    
    .setup-box {
        padding: 30px 20px;
    }
    
    .party-code {
        font-size: 2em;
        letter-spacing: 4px;
    }
}


/* ===== MOBILE OPTIMIZATIONS ===== */

@media (max-width: 768px) {
    body {
        overflow-y: auto;
        height: auto;
        min-height: 100vh;
    }
    
    .game-container {
        padding: 10px;
        height: auto;
        min-height: 100vh;
    }
    
    .header {
        padding: 10px 15px;
        margin-bottom: 10px;
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .header h1 {
        font-size: 1.3em;
    }
    
    .back-btn, .logout-btn {
        padding: 6px 12px;
        font-size: 0.85em;
    }
    
    .screen {
        overflow-y: visible;
    }
    
    /* Mode Selection */
    .mode-select {
        gap: 15px;
        padding: 15px;
    }
    
    .mode-btn {
        padding: 20px;
        font-size: 1em;
    }
    
    .mode-btn h2 {
        font-size: 1.5em;
    }
    
    .mode-btn p {
        font-size: 0.9em;
    }
    
    /* Setup Box */
    .setup-box {
        padding: 20px;
        max-width: 100%;
    }
    
    .setup-box h2 {
        font-size: 1.5em;
    }
    
    .setup-box p {
        font-size: 0.9em;
    }
    
    .party-code {
        font-size: 1.8em;
        padding: 12px;
        letter-spacing: 4px;
    }
    
    .code-input {
        font-size: 1.2em;
        padding: 12px;
    }
    
    /* Buttons */
    .btn-primary, .btn-secondary, .btn-copy {
        padding: 12px 24px;
        font-size: 1em;
        min-height: 44px; /* Touch-friendly */
    }
    
    /* Player List */
    .player-item {
        padding: 12px;
        font-size: 0.95em;
    }
    
    /* Countdown */
    .countdown {
        font-size: 4em;
    }
    
    /* Message */
    .message {
        font-size: 1em;
        padding: 12px;
    }
    
    /* Result Screen */
    .result-icon {
        font-size: 4em;
    }
    
    .result-title {
        font-size: 1.8em;
    }
    
    .result-text {
        font-size: 1em;
    }
}

/* Touch-friendly improvements */
@media (hover: none) and (pointer: coarse) {
    /* Remove hover effects on touch devices */
    .mode-btn:hover,
    .btn-primary:hover,
    .btn-secondary:hover,
    .btn-copy:hover,
    .back-btn:hover,
    .logout-btn:hover {
        transform: none;
    }
    
    /* Add active (press) effects instead */
    .mode-btn:active,
    .btn-primary:active,
    .btn-secondary:active,
    .btn-copy:active,
    .back-btn:active,
    .logout-btn:active {
        transform: scale(0.97);
        opacity: 0.9;
    }
    
    /* Larger touch targets */
    button, .btn-primary, .btn-secondary, .btn-copy, .back-btn, .logout-btn {
        min-height: 44px;
        min-width: 44px;
    }
}

/* Small phones */
@media (max-width: 480px) {
    .game-container {
        padding: 8px;
    }
    
    .header {
        padding: 8px 12px;
    }
    
    .header h1 {
        font-size: 1.1em;
    }
    
    .setup-box {
        padding: 15px;
    }
    
    .party-code {
        font-size: 1.5em;
        letter-spacing: 3px;
    }
    
    .mode-btn {
        padding: 15px;
    }
    
    .mode-btn h2 {
        font-size: 1.3em;
    }
}

/* Landscape mobile */
@media (max-width: 896px) and (orientation: landscape) {
    body {
        height: auto;
    }
    
    .game-container {
        height: auto;
        min-height: 100vh;
    }
    
    .header {
        margin-bottom: 10px;
    }
}

/* Prevent zoom on input focus (iOS) */
@media (max-width: 768px) {
    input, select, textarea {
        font-size: 16px !important;
    }
}