/* CineTris Game Styles */
:root {
    --primary-color: #7b68ee;
    --primary-hover: #614dc2;
    --primary-active: #473c8b;
    --secondary-color: #ff6b6b;
    --secondary-hover: #ff4757;
    --secondary-active: #ff3a47;
    --text-color: #e1e1e1;
    --light-text: #fff;
    --background-color: #121212;
    --card-bg: #1e1e1e;
    --border-color: #3d3d3d;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --winner-color: #4cd137;
    --draw-color: #ffa502;
    --option-bg: #212121;
    --option-hover: #2c2c2c;
    --error-color: #ff3a47;
    --movie-red: #ff4757;
    --movie-blue: #1e90ff;
}

body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--background-color);
    background-image: linear-gradient(to bottom, #121212, #1a1a2e);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 1rem;
    box-sizing: border-box;
}

/* Game Title */
#game-title {
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
}

#game-title h1 {
    color: var(--primary-color);
    font-size: 3rem;
    margin: 0;
    text-shadow: 0 4px 8px rgba(123, 104, 238, 0.5);
    -webkit-text-stroke: 1px var(--primary-active);
    background: linear-gradient(90deg, var(--primary-active), var(--primary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
}

#game-title h1::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 3px;
    background: linear-gradient(to right, transparent, var(--primary-color), transparent);
}

/* Game Screens */
.game-screen {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.7);
    margin-bottom: 1.5rem;
    display: none;
    animation: fadeIn 0.5s ease;
    border: 1px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-bottom: 4px solid var(--primary-color);
    position: relative;
    overflow: hidden;
}

.game-screen::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to bottom, rgba(123, 104, 238, 0.05), transparent);
    pointer-events: none;
}

.game-screen.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Password Screen */
.password-container {
    margin: 1.5rem 0;
}

.password-input {
    width: 100%;
    padding: 0.8rem;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    box-sizing: border-box;
    margin-bottom: 0.5rem;
    transition: border-color 0.3s ease;
    background-color: rgba(30, 30, 30, 0.8);
    color: var(--light-text);
}

.password-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(123, 104, 238, 0.3);
}

.password-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.password-error {
    color: var(--error-color);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.hidden {
    display: none;
}

/* Instructions Screen */
.instructions-container {
    margin-bottom: 1.5rem;
    line-height: 1.6;
    background-color: rgba(0, 0, 0, 0.2);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    position: relative;
}

.instructions-container::after {
    content: "🎬";
    position: absolute;
    bottom: -15px;
    right: 20px;
    font-size: 2rem;
    transform: rotate(10deg);
    filter: opacity(0.5);
}

/* Game Board */
.game-info {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1.5rem;
    background-color: rgba(0, 0, 0, 0.2);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    flex-wrap: wrap;
    position: relative;
}

.player-turn {
    font-size: 1.2rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
}

.player-marker {
    font-size: 1.2rem;
    font-weight: bold;
    vertical-align: middle;
    animation: markerPulse 1.5s infinite alternate;
}

@keyframes markerPulse {
    from { transform: scale(1); }
    to { transform: scale(1.1); }
}

.player-marker.red {
    color: var(--movie-red);
    text-shadow: 0 0 5px rgba(255, 71, 87, 0.5);
}

.player-marker.blue {
    color: var(--movie-blue);
    text-shadow: 0 0 5px rgba(30, 144, 255, 0.5);
}

.game-board {
    display: grid;
    grid-template-columns: minmax(80px, 0.7fr) repeat(3, 1.5fr);
    grid-auto-rows: minmax(90px, auto);
    gap: 10px;
    margin-bottom: 2rem;
    position: relative;
    background-color: rgba(20, 20, 30, 0.4);
    padding: 18px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    box-sizing: border-box;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
}

/* Remove the problematic background grid */
.tic-tac-toe-grid::before {
    display: none;
}

.board-cell {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 8px;
    background-color: rgba(30, 30, 30, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    text-align: center;
    font-weight: 600;
    transition: all 0.3s ease;
    overflow: hidden;
    position: relative;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
    min-height: 70px;
    box-sizing: border-box;
}

.corner-cell {
    background-color: transparent;
    border: none;
    box-shadow: none;
}

.header-row {
    margin-bottom: 8px;
}

.game-cell {
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background-color: rgba(40, 40, 40, 0.9);
    border: 2px solid var(--primary-color);
    min-height: 90px;
    aspect-ratio: 1/1;
    z-index: 2;
    padding: 5px;
    overflow: hidden;
    word-break: normal;
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: none;
    box-shadow: inset 0 0 5px rgba(123, 104, 238, 0.3);
}

.category-cell {
    background-color: rgba(123, 104, 238, 0.15);
    color: var(--light-text);
    cursor: default;
    font-size: 0.8rem;
    line-height: 1.2;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 8px;
    border: 1px solid rgba(123, 104, 238, 0.3);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    word-break: normal;
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: none;
}

.category-name {
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--primary-color);
}

.category-value {
    font-weight: 500;
    font-size: 0.9em;
}

.game-cell:empty::before {
    content: "";
    position: absolute;
    width: 85%;
    height: 85%;
    border-radius: 3px;
    background-color: rgba(123, 104, 238, 0.05);
    pointer-events: none;
}

.game-cell:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5), inset 0 0 8px rgba(123, 104, 238, 0.5);
    background-color: rgba(50, 50, 50, 0.9);
    border-color: var(--primary-hover);
    z-index: 5;
}

.game-cell:active {
    transform: translateY(0);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3), inset 0 0 5px rgba(123, 104, 238, 0.3);
}

.win-cell {
    animation: celebrate 1s ease infinite alternate;
    box-shadow: 0 0 15px var(--winner-color), inset 0 0 10px var(--winner-color);
    transform: scale(1.05);
    z-index: 10;
}

@keyframes celebrate {
    from { box-shadow: 0 0 15px var(--winner-color), inset 0 0 10px var(--winner-color); }
    to { box-shadow: 0 0 25px var(--winner-color), inset 0 0 15px var(--winner-color); }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* Title Selection */
.emoji-selection {
    background-color: rgba(0, 0, 0, 0.85);
    border-radius: 16px;
    padding: 1.5rem;
    animation: popIn 0.3s ease;
    border: 1px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    position: relative;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    flex-direction: column;
}

@keyframes popIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

.emoji-selection.hidden {
    display: none;
}

.emoji-options {
    margin-top: 1rem;
}

/* Filter container - make it sticky */
.filter-container {
    margin-bottom: 1rem;
    position: sticky;
    top: 0;
    z-index: 10;
    background-color: rgba(0, 0, 0, 0.85);
    padding-bottom: 0.5rem;
    padding-top: 0.5rem;
    margin-top: -0.5rem;
}

.title-filter {
    width: 100%;
    padding: 0.8rem;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    box-sizing: border-box;
    transition: border-color 0.3s ease;
    background-color: rgba(30, 30, 30, 0.8);
    color: var(--light-text);
}

.title-filter:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(123, 104, 238, 0.3);
}

.title-filter::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.title-filter:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background-color: rgba(20, 20, 20, 0.7);
}

/* All entries container - fixed height */
.all-entries-container {
    max-height: 300px;
    height: 300px;
    overflow-y: auto;
    padding-right: 10px;
    border-radius: 8px;
    background-color: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    margin-right: -5px;
}

/* Custom scrollbar for the container */
.all-entries-container::-webkit-scrollbar {
    width: 8px;
}

.all-entries-container::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
}

.all-entries-container::-webkit-scrollbar-thumb {
    background-color: var(--primary-color);
    border-radius: 8px;
}

/* Option styling */
.option {
    background-color: var(--option-bg);
    border-radius: 8px;
    padding: 0.8rem 1rem;
    margin: 0.5rem 0;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    user-select: none;
}

.option:hover {
    background-color: var(--option-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.option:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* Wrong answer message */
.wrong-answer-message {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(255, 58, 71, 0.9);
    color: white;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: bold;
    font-size: 1.5rem;
    text-align: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    z-index: 10;
}

.wrong-answer-message.show {
    opacity: 1;
    visibility: visible;
    animation: shake 0.5s ease;
}

/* Interaction overlay to prevent clicks during messages */
.interaction-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.1);
    z-index: 9;
    cursor: not-allowed;
}

@keyframes shake {
    0%, 100% { transform: translate(-50%, -50%); }
    10%, 30%, 50%, 70%, 90% { transform: translate(-52%, -50%); }
    20%, 40%, 60%, 80% { transform: translate(-48%, -50%); }
}

/* Winner Info */
.winner-info {
    text-align: center;
    margin: 1.5rem 0;
    padding: 1.5rem;
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.winner-info::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle at center,
        rgba(76, 209, 55, 0.1) 0%,
        transparent 70%
    );
    animation: pulse 3s infinite;
    pointer-events: none;
}

#winner-player {
    display: inline-block;
    margin-left: 10px;
    font-size: 2.5rem;
    vertical-align: middle;
    animation: winnerPulse 1.5s infinite alternate;
    filter: drop-shadow(0 0 10px var(--winner-color));
}

@keyframes winnerPulse {
    from { transform: scale(1); filter: drop-shadow(0 0 10px var(--winner-color)); }
    to { transform: scale(1.2); filter: drop-shadow(0 0 20px var(--winner-color)); }
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    color: var(--light-text);
    z-index: 1;
}

.btn::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.1) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    transition: all 0.6s ease;
    z-index: -1;
}

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

.primary-btn {
    background: linear-gradient(45deg, var(--primary-active), var(--primary-color));
    border-bottom: 3px solid var(--primary-active);
    margin-top: 0.5rem;
}

.primary-btn:hover {
    background: linear-gradient(45deg, var(--primary-color), var(--primary-hover));
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
}

.primary-btn:active {
    transform: translateY(0);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    background: linear-gradient(45deg, var(--primary-hover), var(--primary-active));
}

.secondary-btn {
    background: linear-gradient(45deg, var(--secondary-active), var(--secondary-color));
    border-bottom: 3px solid var(--secondary-active);
}

.secondary-btn:hover {
    background: linear-gradient(45deg, var(--secondary-color), var(--secondary-hover));
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
}

.secondary-btn:active {
    transform: translateY(0);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    background: linear-gradient(45deg, var(--secondary-hover), var(--secondary-active));
}

.new-game-btn {
    margin-bottom: 0.5rem;
    display: none; /* Initially hidden */
}

@media (max-width: 768px) {
    .container {
        padding: 0.5rem;
    }
    
    #game-title h1 {
        font-size: 2.2rem;
    }
    
    .game-screen {
        padding: 1.2rem;
    }
    
    .game-board {
        gap: 8px;
        padding: 12px;
        max-width: 100%;
        grid-template-columns: minmax(85px, 0.8fr) repeat(3, 1.2fr);
        grid-auto-rows: minmax(70px, auto);
    }
    
    .board-cell {
        padding: 5px;
        min-height: 60px;
        font-size: 0.8rem;
    }
    
    .category-cell {
        font-size: 0.75rem;
        line-height: 1.1;
        padding: 4px;
    }
    
    .game-cell {
        min-height: 70px;
    }
    
    .player-turn {
        font-size: 1rem;
    }
    
    .player-marker {
        font-size: 1.4rem;
    }
    
    .option {
        padding: 8px 12px;
    }
    
    .winner-info {
        padding: 1rem;
    }
    
    .category-name {
        font-size: 0.75rem;
        margin-bottom: 3px;
    }
    
    .category-value {
        font-size: 0.7rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0.3rem;
    }
    
    #game-title h1 {
        font-size: 1.8rem;
    }
    
    .game-screen {
        padding: 1rem;
        border-radius: 10px;
    }
    
    .game-board {
        gap: 5px;
        padding: 10px;
        grid-template-columns: minmax(70px, 0.7fr) repeat(3, 1fr);
        grid-auto-rows: minmax(55px, auto);
    }
    
    .board-cell {
        padding: 3px;
        min-height: 40px;
        border-radius: 4px;
        font-size: 0.7rem;
    }
    
    .game-cell {
        min-height: 55px;
        padding: 2px;
        border-width: 1px;
    }
    
    .category-cell {
        font-size: 0.65rem;
        padding: 2px;
    }
    
    .player-marker.red, .player-marker.blue {
        font-size: 0.65rem;
        padding: 3px;
        max-width: 95%;
        max-height: 95%;
        line-height: 1.1;
    }
    
    .instructions-container {
        padding: 1rem;
        font-size: 0.9rem;
    }
    
    .category-name {
        font-size: 0.65rem;
        margin-bottom: 2px;
    }
    
    .category-value {
        font-size: 0.6rem;
    }
}

/* Game screen */
#game-screen {
    background-color: var(--card-bg);
    background-image: linear-gradient(to bottom, rgba(30, 30, 40, 0.8), rgba(20, 20, 30, 0.8));
}

/* Game button layout */
.game-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 80%;
    margin: 0 auto 1.5rem auto;
}

.action-btn {
    width: 100%;
    padding: 0.7rem 1rem;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.4);
}

/* Valid answers display */
.valid-answers-container {
    background-color: rgba(0, 0, 0, 0.85);
    border-radius: 16px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 90%;
    width: 500px;
    max-height: 80vh;
    z-index: 1000;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    opacity: 0;
    animation: fadeInScale 0.3s ease forwards;
}

@keyframes fadeInScale {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.9);
    }
    100% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

.valid-answers-list {
    margin-top: 1rem;
    max-height: 50vh;
    overflow-y: auto;
    background-color: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    padding: 10px;
    border: 1px solid var(--border-color);
    flex-grow: 1;
}

/* Custom scrollbar for the valid answers list */
.valid-answers-list::-webkit-scrollbar {
    width: 8px;
}

.valid-answers-list::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
}

.valid-answers-list::-webkit-scrollbar-thumb {
    background-color: var(--primary-color);
    border-radius: 8px;
}

.valid-answer-item {
    background-color: var(--option-bg);
    border-radius: 8px;
    padding: 0.8rem 1rem;
    margin: 0.5rem 0;
    font-size: 1rem;
    font-weight: 500;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    user-select: none;
}

.valid-answers-close {
    display: block;
    margin: 1rem auto 0;
    padding: 0.6rem 1.5rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    font-family: 'Poppins', sans-serif;
    transition: all 0.2s ease;
}

.valid-answers-close:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
}

/* Game result message */
.game-result {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
    padding: 0.75rem 1.5rem;
    background-color: rgba(0, 0, 0, 0.4);
    border-radius: 8px;
    border: 1px solid var(--primary-color);
    animation: fadeIn 0.5s ease;
    width: 100%;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.result-text {
    font-weight: bold;
    font-size: 1.2rem;
    color: var(--light-text);
}

.winner-symbol {
    font-size: 1.2rem;
    font-weight: bold;
    animation: winnerPulse 1.5s infinite alternate;
}

.winner-symbol.red {
    color: var(--movie-red);
    text-shadow: 0 0 10px rgba(255, 71, 87, 0.7);
    filter: none;
}

.winner-symbol.blue {
    color: var(--movie-blue);
    text-shadow: 0 0 10px rgba(30, 144, 255, 0.7);
    filter: none;
}

/* Topic Selection Screen */
.topics-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
}

.topic-card {
    background-color: rgba(123, 104, 238, 0.1);
    border: 1px solid rgba(123, 104, 238, 0.3);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.topic-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
    background-color: rgba(123, 104, 238, 0.2);
    border-color: var(--primary-color);
}

.topic-card:active {
    transform: translateY(0);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.3);
}

.topic-card.coming-soon {
    opacity: 0.6;
    cursor: not-allowed;
    background-color: rgba(100, 100, 100, 0.1);
    border-color: rgba(100, 100, 100, 0.3);
}

.topic-card.coming-soon:hover {
    transform: none;
    box-shadow: none;
}

.topic-card.coming-soon::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        45deg,
        rgba(0, 0, 0, 0.1),
        rgba(0, 0, 0, 0.1) 10px,
        rgba(0, 0, 0, 0.2) 10px,
        rgba(0, 0, 0, 0.2) 20px
    );
    z-index: 1;
    pointer-events: none;
    border-radius: 12px;
}

.topic-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.topic-card h3 {
    font-size: 1.2rem;
    margin: 0.5rem 0;
    color: var(--light-text);
    position: relative;
    z-index: 2;
}

.topic-card p {
    font-size: 0.9rem;
    color: var(--text-color);
    margin: 0;
    position: relative;
    z-index: 2;
}

.topic-card.selected {
    background-color: rgba(123, 104, 238, 0.3);
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(123, 104, 238, 0.5);
}

.topic-card.selected .topic-icon {
    animation: pulse 1.5s infinite alternate;
}

@media (max-width: 480px) {
    .topics-container {
        grid-template-columns: 1fr;
    }
}

.tertiary-btn {
    background: linear-gradient(45deg, #555, #777);
    border-bottom: 3px solid #444;
}

.tertiary-btn:hover {
    background: linear-gradient(45deg, #666, #888);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
}

.tertiary-btn:active {
    transform: translateY(0);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    background: linear-gradient(45deg, #777, #666);
}

.change-topic-btn {
    display: none;
    margin-top: 0.5rem;
}