/**
 * 3D Shape Explorer - Ancient Egypt Archaeology Expedition Theme
 *
 * A desert dig-site adventure where kids unearth 3D solids like ancient
 * artifacts. Builds on top of kid-friendly-theme.css.
 *
 * Color Palette:
 * - Papyrus Cream: #F9F0DC (card backgrounds, light surfaces)
 * - Sandstone Tan: #E0B96A (shape fills, dune accents)
 * - Pharaoh Gold: #C9A227 (scores, progress bar, highlights)
 * - Nile Teal: #1F7A8C (secondary accents, links, water touches)
 * - Hieroglyph Brown: #6B4226 (borders, text, carved outlines)
 */

body {
    background: linear-gradient(180deg, #AEE0F0 0%, #F4DFA4 45%, #E0B96A 100%);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin: 0;
    padding: 20px;
    font-family: 'Nunito', sans-serif;
}

.game-content {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.kid-game-card {
    background: linear-gradient(135deg, #FFFDF6 0%, #F9F0DC 100%);
    border: 4px solid #6B4226;
    border-radius: 25px;
    padding: 40px;
    max-width: 800px;
    width: 100%;
    box-shadow: 0 8px 30px rgba(107, 66, 38, 0.3);
}

/* Mascot */
.dig-mascot {
    font-size: 5rem;
    text-align: center;
    margin-bottom: 20px;
    animation: float 3s ease-in-out infinite;
}

.dig-mascot.excited {
    animation: bounce 0.6s ease-in-out 3;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* Title */
.kid-friendly-title {
    color: #6B4226;
    text-align: center;
    margin: 20px 0;
}

.kid-friendly-body {
    color: #3E2F1C;
    text-align: center;
    font-size: 1.3rem;
    margin-bottom: 30px;
}

/* Difficulty Selection */
.difficulty-selection {
    margin: 40px 0;
}

.section-title {
    font-family: 'Fredoka', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: #6B4226;
    text-align: center;
    margin-bottom: 25px;
}

.difficulty-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.kid-difficulty-card {
    cursor: pointer;
    transition: all 0.3s ease;
    border: 3px solid #6B4226;
}

.kid-difficulty-card:hover {
    transform: translateY(-5px) scale(1.03);
    box-shadow: 0 8px 25px rgba(201, 162, 39, 0.45);
}

.kid-difficulty-card.easy {
    background: linear-gradient(135deg, #F4E3B2 0%, #EAD08A 100%);
    border-color: #C9A227;
}

.kid-difficulty-card.medium {
    background: linear-gradient(135deg, #F0CE7E 0%, #E0B96A 100%);
    border-color: #B8860B;
}

.kid-difficulty-card.hard {
    background: linear-gradient(135deg, #8FC7D4 0%, #57A3B4 100%);
    border-color: #1F7A8C;
}

.difficulty-title {
    font-family: 'Fredoka', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    color: #3E2F1C;
    margin-bottom: 10px;
}

.difficulty-description {
    font-size: 1rem;
    color: #4A3A24;
    margin-bottom: 8px;
}

.difficulty-example {
    font-family: 'Fredoka', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    color: #3E2F1C;
    background: rgba(255, 253, 246, 0.6);
    padding: 5px 10px;
    border-radius: 8px;
    margin-top: 10px;
}

/* Practice Mode Section */
.practice-mode-section {
    margin: 30px 0;
}

.practice-mode-card {
    background: linear-gradient(135deg, #F0CE7E 0%, #E0B055 100%);
    border: 3px solid #C9A227;
    border-radius: 20px;
    padding: 25px;
    text-align: center;
}

.practice-mode-card h3 {
    font-family: 'Fredoka', sans-serif;
    font-size: 1.6rem;
    color: #6B4226;
    margin-bottom: 15px;
}

.practice-mode-card p {
    font-size: 1.2rem;
    color: #3E2F1C;
    margin-bottom: 20px;
}

/* Game Actions */
.game-actions {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 30px;
}

/* Game Screen */
.game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    flex-wrap: wrap;
    gap: 15px;
}

.question-counter {
    font-family: 'Fredoka', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    color: #6B4226;
}

.score-display {
    font-family: 'Fredoka', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    color: #C9A227;
}

.btn-small {
    padding: 8px 16px;
    font-size: 1rem;
}

/* Progress Bar */
.kid-progress-bar {
    background: rgba(107, 66, 38, 0.2);
    border: 2px solid #6B4226;
    border-radius: 15px;
    height: 25px;
    margin-bottom: 30px;
    overflow: hidden;
}

.kid-progress-fill {
    background: linear-gradient(90deg, #C9A227 0%, #F0CE7E 100%);
    height: 100%;
    transition: width 0.5s ease;
    border-radius: 13px;
}

/* Problem Display */
.problem-display {
    text-align: center;
    margin: 30px 0;
}

.question-text {
    font-family: 'Fredoka', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: #6B4226;
    margin-bottom: 25px;
}

/* Shape Stage (SVG artifact display) */
.shape-stage {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 20px auto;
    width: 260px;
    height: 260px;
    background: radial-gradient(circle at 50% 40%, #FFFDF6 0%, #F4E3B2 100%);
    border: 3px solid #C9A227;
    border-radius: 20px;
    box-shadow: 0 6px 20px rgba(107, 66, 38, 0.25);
}

.solid-svg {
    width: 220px;
    height: 220px;
}

.object-emoji {
    font-size: 7rem;
    line-height: 1;
}

/* Answer Choices */
.answer-choices {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 15px;
    margin: 30px 0;
}

.kid-answer-btn {
    font-family: 'Fredoka', sans-serif;
    font-size: 1.3rem;
    font-weight: 600;
    color: #3E2F1C;
    background: linear-gradient(135deg, #FFFDF6 0%, #F4E3B2 100%);
    border: 3px solid #6B4226;
    border-radius: 15px;
    padding: 18px 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.kid-answer-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(201, 162, 39, 0.45);
    background: linear-gradient(135deg, #F0CE7E 0%, #E0B96A 100%);
}

.kid-answer-btn.correct {
    background: linear-gradient(135deg, #98FB98 0%, #90EE90 100%);
    border-color: #228B22;
    animation: pulse 0.5s ease-in-out;
}

.kid-answer-btn.incorrect {
    background: linear-gradient(135deg, #FFB6C1 0%, #FF6B6B 100%);
    border-color: #DC143C;
    animation: shake 0.5s ease-in-out;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Feedback Area */
.feedback-area {
    margin-top: 30px;
    text-align: center;
}

.feedback-message {
    font-family: 'Fredoka', sans-serif;
    font-size: 1.4rem;
    font-weight: 600;
    padding: 15px 25px;
    border-radius: 15px;
    display: inline-block;
}

.feedback-message.correct {
    background: linear-gradient(135deg, #98FB98 0%, #90EE90 100%);
    color: #1B5E20;
    border: 3px solid #228B22;
}

.feedback-message.incorrect {
    background: linear-gradient(135deg, #FFB6C1 0%, #FF6B6B 100%);
    color: #8B0000;
    border: 3px solid #DC143C;
}

/* Results Screen */
.kid-stars {
    font-size: 4rem;
    text-align: center;
    margin: 30px 0;
}

.results-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 25px;
    margin: 40px 0;
}

.result-stat {
    text-align: center;
    background: linear-gradient(135deg, #F9F0DC 0%, #FFFDF6 100%);
    border: 3px solid #6B4226;
    border-radius: 20px;
    padding: 25px;
}

.stat-value {
    font-family: 'Fredoka', sans-serif;
    font-size: 3.5rem;
    font-weight: 700;
    color: #C9A227;
    margin-bottom: 10px;
}

.stat-label {
    font-family: 'Nunito', sans-serif;
    font-size: 1.2rem;
    font-weight: 600;
    color: #6B4226;
}

/* Missed Problems Section */
.missed-problems {
    background: linear-gradient(135deg, #FCF5E3 0%, #F4E3B2 100%);
    border: 3px solid #6B4226;
    border-radius: 20px;
    padding: 30px;
    margin: 30px 0;
    box-shadow: 0 4px 15px rgba(107, 66, 38, 0.15);
}

.missed-title {
    font-family: 'Fredoka', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: #6B4226;
    text-align: center;
    margin-bottom: 25px;
}

.missed-items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 15px;
}

.missed-item {
    background: #FFFDF6;
    border: 2px solid #C9A227;
    border-radius: 15px;
    padding: 20px;
    text-align: center;
}

.missed-question {
    font-family: 'Fredoka', sans-serif;
    font-size: 1.15rem;
    font-weight: 600;
    color: #3E2F1C;
    margin-bottom: 15px;
}

.missed-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 1rem;
}

.your-answer {
    color: #DC143C;
    font-weight: 600;
}

.correct-answer {
    color: #228B22;
    font-weight: 600;
}

/* Results Actions */
.results-actions {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-top: 30px;
}

/* Buttons */
.kid-btn {
    font-family: 'Fredoka', sans-serif;
    font-size: 1.2rem;
    font-weight: 600;
    padding: 15px 35px;
    border: none;
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.kid-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.kid-btn-primary {
    background: linear-gradient(135deg, #1F7A8C 0%, #57A3B4 100%);
    color: white;
    border: 3px solid #1F7A8C;
}

.kid-btn-secondary {
    background: linear-gradient(135deg, #D3D3D3 0%, #A9A9A9 100%);
    color: #3E2F1C;
    border: 3px solid #808080;
}

.kid-btn-accent {
    background: linear-gradient(135deg, #F0CE7E 0%, #E0A93F 100%);
    color: #3E2F1C;
    border: 3px solid #C9A227;
}

/* Utility Classes */
.kid-hidden {
    display: none !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .kid-game-card {
        padding: 25px;
    }

    .dig-mascot {
        font-size: 4rem;
    }

    .kid-friendly-title {
        font-size: 2rem;
    }

    .kid-friendly-body {
        font-size: 1.1rem;
    }

    .difficulty-options {
        grid-template-columns: 1fr;
    }

    .question-text {
        font-size: 1.5rem;
    }

    .shape-stage {
        width: 220px;
        height: 220px;
    }

    .solid-svg {
        width: 185px;
        height: 185px;
    }

    .object-emoji {
        font-size: 6rem;
    }

    .answer-choices {
        grid-template-columns: 1fr;
    }

    .results-summary {
        grid-template-columns: 1fr;
    }

    .stat-value {
        font-size: 2.5rem;
    }

    .missed-items-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }

    .game-content {
        padding: 10px;
    }

    .kid-game-card {
        padding: 20px;
    }

    .dig-mascot {
        font-size: 3rem;
    }

    .shape-stage {
        width: 190px;
        height: 190px;
    }

    .solid-svg {
        width: 160px;
        height: 160px;
    }

    .object-emoji {
        font-size: 5rem;
    }

    .kid-btn {
        font-size: 1rem;
        padding: 12px 25px;
    }
}