:root {
    --bg-dark: #121212;
    --card-white: #f0f0f0;
    --card-black: #1a1a1a;
    --text-dark: #1a1a1a;
    --text-light: #f0f0f0;
    --accent: #e74c3c;
    --accent-hover: #c0392b;
    --font-main: 'Ubuntu', sans-serif;
    --btn-border: 1px solid #555;
    --btn-radius: 5px;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-dark);
    font-family: var(--font-main);
    color: var(--text-light);
    overflow: hidden;
    user-select: none;
}

#bg-animation {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: -1;
    opacity: 0.1;
    pointer-events: none;
}

/* Login Screen */
#login-screen {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle, #222, #000);
    z-index: 100;
}

.login-container {
    text-align: center;
    padding: 2rem;
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(10px);
    border: 2px solid #333;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
}

.login-container input {
    display: block;
    margin: 1rem auto;
    padding: 0.8rem;
    width: 250px;
    background: #000;
    border: 1px solid #444;
    color: #fff;
    font-size: 1rem;
    text-align: center;
    border-radius: var(--btn-radius);
}

/* Base Button Style */
button {
    font-family: var(--font-main);
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--btn-radius);
    cursor: pointer;
    transition: all 0.2s ease;
}

/* Primary Action Button (Join, Start, Confirm) */
#join-btn, #start-btn, .action-btn, .modal-btn, #confirm-play-btn {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 0.8rem 2rem;
    font-weight: 900;
    font-size: 1.1rem;
    box-shadow: 0 4px 0 #922b21; /* Pseudo-3D */
}

#join-btn:hover, #start-btn:hover, .action-btn:hover, .modal-btn:hover, #confirm-play-btn:hover:not(:disabled) {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 0 #922b21;
}

#join-btn:active, #start-btn:active, .action-btn:active, .modal-btn:active {
    transform: translateY(2px);
    box-shadow: 0 2px 0 #922b21;
}

/* Special Start Button Pulse */
#start-btn {
    font-size: 1.5rem;
    padding: 1rem 3rem;
    animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
    0% { box-shadow: 0 4px 0 #922b21; }
    50% { box-shadow: 0 4px 20px rgba(231, 76, 60, 0.6); }
    100% { box-shadow: 0 4px 0 #922b21; }
}

/* Secondary Button (Spectate, Cancel) */
.secondary-btn, #spectate-btn, #close-settings-btn, #cancel-blank-btn {
    background: transparent;
    border: 1px solid #666;
    color: #aaa;
    padding: 0.8rem 1.5rem;
    font-weight: bold;
}

.secondary-btn:hover, #spectate-btn:hover, #close-settings-btn:hover, #cancel-blank-btn:hover {
    border-color: #fff;
    color: #fff;
    background: rgba(255,255,255,0.05);
}

/* Control Buttons (Settings, Pause, Stop, Reroll) */
.control-btn, #settings-btn, .kick-btn {
    background: #333;
    color: var(--text-light);
    border: var(--btn-border);
    padding: 0.5rem 1rem;
    font-weight: bold;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.control-btn:hover, #settings-btn:hover, .kick-btn:hover {
    background: #444;
    border-color: var(--text-light);
    color: #fff;
}

#reroll-btn {
    font-size: 0.9rem;
    border: 1px solid var(--accent);
    color: var(--accent);
    background: rgba(231, 76, 60, 0.1);
}
#reroll-btn:hover:not(:disabled) {
    background: var(--accent);
    color: #fff;
}
#reroll-btn:disabled {
    border-color: #444;
    color: #666;
    background: transparent;
    cursor: not-allowed;
}

.error-msg {
    color: var(--accent);
    min-height: 1.2em;
    margin-top: 1rem;
}

.hidden {
    display: none !important;
}

/* Game Area Layout */
#game-area {
    display: grid;
    grid-template-rows: auto 1fr 240px; /* Increased bottom for hand */
    height: 100vh;
    padding: 1rem;
    box-sizing: border-box;
}

.game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0,0,0,0.3);
    padding: 1rem;
    border-radius: 10px;
    border: 1px solid #333;
}

#timer-display {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--text-light);
    font-variant-numeric: tabular-nums;
}

.game-main {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 1rem;
    overflow: hidden;
    padding: 1rem 0;
}

/* Table Area */
#table-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    overflow-y: auto;
    padding-top: 1rem;
    position: relative;
}

#black-card-container {
    margin-bottom: 2rem;
    z-index: 5;
}

#played-cards-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
    width: 100%;
    padding-bottom: 2rem;
}

/* Cards */
.card {
    width: 150px;
    height: 220px;
    border-radius: 12px;
    padding: 1.2rem;
    box-sizing: border-box;
    font-weight: bold;
    font-size: 0.95rem;
    line-height: 1.4;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    box-shadow: 4px 4px 15px rgba(0,0,0,0.6);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    cursor: default;
}

.black-card {
    background: var(--card-black);
    color: var(--text-light);
    border: 1px solid #444;
    width: 170px;
    height: 250px;
    font-size: 1.1rem;
}

.white-card {
    background: var(--card-white);
    color: var(--text-dark);
    cursor: pointer;
}

.white-card:hover {
    transform: translateY(-15px) rotate(2deg);
    box-shadow: 0 15px 30px rgba(0,0,0,0.4);
    z-index: 20;
}

.white-card.selected {
    border: 3px solid var(--accent);
    transform: translateY(-20px);
    box-shadow: 0 0 15px var(--accent);
}

.white-card.selected::after {
    content: attr(data-order);
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: var(--accent);
    color: #fff;
    width: 28px;
    height: 28px;
    font-size: 0.9rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

/* Marker for manually filled blanks */
.filled-blank {
    border: 2px dashed #666;
    background: #e0e0e0;
}

.hidden-card {
    background: #222;
    border: 1px solid #444;
    display: flex;
    align-items: center;
    justify-content: center;
}
.hidden-card::before {
    content: "CAH";
    font-size: 2rem;
    color: #333;
    font-weight: 900;
    transform: rotate(-45deg);
}

.card-group {
    position: relative;
    width: 150px;
    height: 220px;
    transition: transform 0.2s;
}
.card-group:hover {
    transform: scale(1.05);
}

.reaction-overlay {
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 100;
    background: rgba(0,0,0,0.8);
    padding: 5px 10px;
    border-radius: 20px;
    opacity: 0;
    transition: opacity 0.2s;
}
.card-group:hover .reaction-overlay {
    opacity: 1;
}
.reaction-overlay button {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    transition: transform 0.2s;
}
.reaction-overlay button:hover {
    transform: scale(1.2);
}

.pick-badge {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background: #fff;
    color: #000;
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 900;
}

/* Sidebar */
#sidebar {
    background: rgba(0,0,0,0.4);
    border-radius: 10px;
    padding: 1rem;
    overflow-y: auto;
    border: 1px solid #333;
}

#sidebar h3 {
    margin-top: 0;
    font-size: 1rem;
    color: #888;
    text-transform: uppercase;
    border-bottom: 1px solid #444;
    padding-bottom: 0.5rem;
}

#players-list {
    list-style: none;
    padding: 0;
}

#players-list li {
    padding: 0.8rem;
    margin-bottom: 0.5rem;
    background: rgba(255,255,255,0.03);
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    transition: background 0.2s;
}
#players-list li:hover {
    background: rgba(255,255,255,0.08);
}
#players-list li.is-czar {
    border: 1px solid gold;
    background: rgba(255, 215, 0, 0.05);
}

.player-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: #333;
    font-size: 1.1rem;
}

.player-details {
    display: flex;
    flex-direction: column;
    justify-content: center;
    line-height: 1.2;
}

.p-nick {
    font-weight: bold;
    font-size: 0.95rem;
}
.p-score {
    font-size: 0.8rem;
    color: #aaa;
}

.czar-badge {
    background: gold;
    color: black;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 900;
    text-transform: uppercase;
}

.kick-btn {
    margin-left: auto;
    background: transparent;
    border: none;
    color: #555;
    font-size: 1.2rem;
    padding: 0;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}
.kick-btn:hover {
    background: var(--accent);
    color: #fff;
    border: none;
}

/* Hand Section */
#hand-section {
    border-top: 1px solid #333;
    padding-top: 1rem;
    position: relative;
    background: rgba(0,0,0,0.2);
}

#hand-container {
    display: flex;
    gap: 0.8rem;
    overflow-x: auto;
    padding: 1rem 0;
    min-height: 240px;
    align-items: center;
    /* Custom Scrollbar */
    scrollbar-width: thin;
    scrollbar-color: #444 #222;
}

#hand-container::-webkit-scrollbar {
    height: 8px;
}
#hand-container::-webkit-scrollbar-track {
    background: #222;
}
#hand-container::-webkit-scrollbar-thumb {
    background-color: #444;
    border-radius: 4px;
}

#selection-controls {
    background: var(--bg-dark);
    padding: 0.8rem 1.5rem;
    border: 1px solid var(--accent);
    border-radius: 30px;
    display: flex;
    gap: 1.5rem;
    align-items: center;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
}

#confirm-play-btn {
    padding: 0.6rem 1.5rem;
    font-size: 1rem;
}
#confirm-play-btn:disabled {
    background: #555;
    box-shadow: none;
    transform: none;
    opacity: 0.7;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(5px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 200;
}

.modal-content {
    background: #1a1a1a;
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid #444;
    text-align: center;
    min-width: 350px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.8);
}

.modal-content h1, .modal-content h2, .modal-content h3 {
    margin-top: 0;
    text-transform: uppercase;
    color: var(--text-light);
}

.setting-item {
    margin: 1.2rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.1rem;
}

.setting-item input {
    width: 70px;
    background: #222;
    border: 1px solid #444;
    color: #fff;
    padding: 8px;
    text-align: center;
    border-radius: 4px;
    font-size: 1rem;
}
.setting-item input[type="range"] {
    width: 150px;
    border: none;
}

.modal-buttons {
    margin-top: 2.5rem;
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Toasts */
#toast-container {
    position: fixed;
    top: 30px;
    right: 30px;
    z-index: 300;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: #fff;
    color: #000;
    padding: 1rem 1.5rem;
    border-left: 5px solid var(--accent);
    border-radius: 4px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.5);
    animation: slideIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    font-weight: bold;
    min-width: 200px;
}

@keyframes slideIn {
    from { transform: translateX(120%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* Pause Overlay */
#pause-overlay h1 {
    color: var(--accent);
    font-size: 5rem !important;
    letter-spacing: 10px;
    text-shadow: 0 0 30px rgba(231, 76, 60, 0.8) !important;
}

/* Responsive */
@media (max-width: 768px) {
    #game-area {
        grid-template-rows: auto 1fr auto;
        padding: 0.5rem;
    }
    .game-main {
        grid-template-columns: 1fr;
    }
    #sidebar {
        display: none;
    }
    .card {
        min-width: 120px;
        height: 180px;
    }
    .game-header {
        flex-direction: column;
        gap: 0.5rem;
    }
    #hand-controls-bar {
        position: relative;
        top: 0;
        margin-bottom: 0.5rem;
    }
}