/* ==========================================
   CSS Styling for "Learn Egyptian!" Web App
   ========================================== */

:root {
    --color-bg: #fffcf2;
    --color-text: #252422;
    --color-primary: #ffb703;
    --color-primary-hover: #fb8500;
    --color-secondary: #219ebc;
    --color-secondary-hover: #023047;
    --color-success: #4caf50;
    --color-danger: #e76f51;
    --color-card-bg: #ffffff;
    --color-border: #1e1e1d;
    --font-arabic: 'Cairo', 'Tajawal', system-ui, -apple-system, sans-serif;
    --font-english: 'Fredoka', 'Cairo', sans-serif;
    --border-thickness: 4px;
    --border-radius: 20px;
    --shadow: 6px 6px 0px var(--color-border);
    --shadow-small: 3px 3px 0px var(--color-border);
    --shadow-hover: 2px 2px 0px var(--color-border);
}

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

body {
    font-family: var(--font-arabic);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    direction: rtl;
    background-image: radial-gradient(var(--color-border) 1px, transparent 1px);
    background-size: 24px 24px;
    background-opacity: 0.05;
}

/* App Container */
.app-container {
    width: 100%;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    position: relative;
}

/* Confetti Canvas */
#confetti-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 999;
}

/* Screens */
.screen {
    display: none;
    width: 100%;
    max-width: 1100px;
    animation: fadeIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

.screen.active {
    display: block;
}

/* ==================== CARTOON / NEOBRUTALISM CARD ==================== */
.cartoon-card {
    background-color: var(--color-card-bg);
    border: var(--border-thickness) solid var(--color-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 30px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    position: relative;
    overflow: hidden;
}

.cartoon-card:hover {
    transform: translate(-2px, -2px);
    box-shadow: 8px 8px 0px var(--color-border);
}

/* ==================== BUTTONS ==================== */
.btn {
    font-family: var(--font-arabic);
    font-size: 1.1rem;
    font-weight: 700;
    padding: 12px 24px;
    border: var(--border-thickness) solid var(--color-border);
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.15s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    outline: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-border);
    box-shadow: var(--shadow-small);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-primary:active {
    transform: translateY(2px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background-color: #e2ece9;
    color: var(--color-border);
    box-shadow: var(--shadow-small);
}

.btn-secondary:hover {
    background-color: var(--color-secondary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-secondary:active {
    transform: translateY(2px);
    box-shadow: var(--shadow-hover);
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.btn-bounce {
    animation: pulse 2s infinite;
}

/* ==================== START SCREEN ==================== */
.start-card {
    text-align: center;
    max-width: 550px;
    margin: 0 auto;
    padding: 40px 30px;
}

.mascot-container {
    width: 180px;
    height: 180px;
    margin: 0 auto 20px;
    background-color: #ffd166;
    border: var(--border-thickness) solid var(--color-border);
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: var(--shadow-small);
}

.mascot-img {
    width: 90%;
    height: 90%;
    object-fit: contain;
}

.app-title {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--color-border);
    margin-bottom: 10px;
    text-shadow: 2px 2px 0px #ffd166;
}

.app-subtitle {
    font-size: 1.1rem;
    font-weight: 700;
    color: #666;
    margin-bottom: 30px;
}

.input-group {
    text-align: right;
    margin-bottom: 25px;
    width: 100%;
}

.input-group label {
    display: block;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-border);
}

.input-group input {
    width: 100%;
    padding: 14px 20px;
    font-family: var(--font-arabic);
    font-size: 1.1rem;
    font-weight: 700;
    border: var(--border-thickness) solid var(--color-border);
    border-radius: 16px;
    background-color: #fdfdfd;
    box-shadow: var(--shadow-small) inset;
    outline: none;
    transition: border-color 0.2s;
}

.input-group input:focus {
    border-color: var(--color-primary-hover);
}

/* ==================== LESSON SCREEN ==================== */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--color-card-bg);
    border: var(--border-thickness) solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 15px 30px;
    margin-bottom: 25px;
    box-shadow: var(--shadow);
}

.user-greeting {
    font-size: 1.2rem;
    font-weight: 900;
    display: flex;
    align-items: center;
    gap: 10px;
}

.avatar {
    font-size: 1.8rem;
    background-color: #ffccd5;
    padding: 6px;
    border-radius: 50%;
    border: 2px solid var(--color-border);
}

/* Lesson Content Layout */
.lesson-content {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 25px;
    align-items: start;
}

/* Sidebar Categories */
.sidebar-categories {
    background-color: var(--color-card-bg);
    border: var(--border-thickness) solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
}

.sidebar-categories h2 {
    font-size: 1.3rem;
    font-weight: 900;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 3px solid var(--color-border);
    color: var(--color-border);
}

.category-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.cat-btn {
    font-family: var(--font-arabic);
    font-size: 1.05rem;
    font-weight: 700;
    text-align: right;
    padding: 12px 18px;
    background-color: #f4f3ef;
    border: 3px solid var(--color-border);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-small);
}

.cat-btn:hover {
    background-color: #e9e7e2;
    transform: translateY(-2px);
    box-shadow: var(--shadow-small);
}

.cat-btn.active {
    background-color: var(--color-primary);
    box-shadow: var(--shadow-small);
    transform: translateY(1px);
}

.cat-icon {
    font-size: 1.3rem;
}

/* Phrase Viewer Area */
.phrase-viewer {
    width: 100%;
}

.category-section {
    display: none;
    animation: slideIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

.category-section.active {
    display: block;
}

.category-header {
    background: #fff;
    border: var(--border-thickness) solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 20px 25px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-small);
}

.category-header h3 {
    font-size: 1.25rem;
    font-weight: 900;
    margin-top: 8px;
}

.badge {
    background-color: #efea5a;
    border: 2px solid var(--color-border);
    border-radius: 8px;
    padding: 4px 10px;
    font-size: 0.85rem;
    font-weight: 900;
    display: inline-block;
}

/* Phrases Grid */
.phrases-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
    margin-bottom: 25px;
}

/* Phrase Card */
.phrase-card {
    background: white;
    border: var(--border-thickness) solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    box-shadow: var(--shadow-small);
    transition: all 0.15s ease;
}

.phrase-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.phrase-text-container {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.phrase-ar {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--color-border);
}

.phrase-en {
    font-family: var(--font-english);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-secondary-hover);
    direction: ltr;
    text-align: right;
}

.phrase-action {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Circular Play Button */
.play-btn {
    width: 55px;
    height: 55px;
    background-color: var(--color-primary);
    border: 3px solid var(--color-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    cursor: pointer;
    box-shadow: var(--shadow-small);
    transition: all 0.1s ease;
    color: var(--color-border);
}

.play-btn:hover {
    background-color: var(--color-primary-hover);
    transform: scale(1.05);
}

.play-btn:active {
    transform: scale(0.95);
    box-shadow: 1px 1px 0px var(--color-border);
}

.play-btn.playing {
    background-color: var(--color-success);
    color: white;
    animation: playPulse 1s infinite alternate;
}

/* ==================== QUIZ & SPECIAL COMPONENTS ==================== */
.quiz-box {
    background-color: #e3f2fd;
    margin-top: 25px;
}

.quiz-title {
    font-size: 1.2rem;
    font-weight: 900;
    color: #1976d2;
    margin-bottom: 8px;
}

.quiz-question {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 18px;
}

.quiz-options {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

@media (min-width: 768px) {
    .quiz-options {
        grid-template-columns: repeat(3, 1fr);
    }
}

.btn-option {
    background-color: white;
    font-size: 1rem;
    text-align: center;
    padding: 15px;
}

.btn-option:hover {
    background-color: #fff8e1;
    transform: translateY(-2px);
}

.btn-option.correct {
    background-color: #a5d6a7 !important;
    border-color: #2e7d32 !important;
}

.btn-option.wrong {
    background-color: #ef9a9a !important;
    border-color: #c62828 !important;
}

.quiz-feedback {
    margin-top: 15px;
    padding: 12px;
    border-radius: 12px;
    border: 3px solid var(--color-border);
    font-weight: 900;
    font-size: 1.1rem;
    text-align: center;
    animation: popIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

.quiz-feedback.correct {
    background-color: #c8e6c9;
    color: #2e7d32;
}

.quiz-feedback.wrong {
    background-color: #ffcdd2;
    color: #c62828;
}

/* Idioms Highlight Banner */
.idiom-banner {
    background-color: #fff9db;
    margin-top: 25px;
}

.idiom-banner h4 {
    font-size: 1.2rem;
    font-weight: 900;
    color: #f59f00;
    margin-bottom: 15px;
}

.idiom-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
}

@media (min-width: 600px) {
    .idiom-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.idiom-item {
    background-color: white;
    border: 3px solid var(--color-border);
    border-radius: 14px;
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    box-shadow: var(--shadow-small);
    transition: all 0.15s ease;
}

.idiom-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
    background-color: #fff3bf;
}

.idiom-ar {
    font-size: 1.3rem;
    font-weight: 900;
}

.idiom-en {
    font-family: var(--font-english);
    font-size: 1rem;
    font-weight: 600;
    color: #555;
    direction: ltr;
}

/* ==================== ANIMATIONS ==================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

@keyframes popIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes float {
    0% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-8px) rotate(2deg);
    }
    100% {
        transform: translateY(0px) rotate(0deg);
    }
}

.floating {
    animation: float 4s ease-in-out infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.03);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes playPulse {
    from {
        box-shadow: 0 0 0 0px rgba(76, 175, 80, 0.4);
    }
    to {
        box-shadow: 0 0 0 15px rgba(76, 175, 80, 0);
    }
}

.hidden {
    display: none !important;
}

/* ==================== RESPONSIVE DESIGN ==================== */
@media (max-width: 900px) {
    .lesson-content {
        grid-template-columns: 1fr;
    }
    
    .sidebar-categories {
        position: sticky;
        top: 10px;
        z-index: 10;
        box-shadow: var(--shadow-small);
    }
    
    .category-buttons {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 5px;
        scrollbar-width: thin;
    }
    
    .cat-btn {
        white-space: nowrap;
    }
}

@media (max-width: 500px) {
    .app-title {
        font-size: 2rem;
    }
    .phrase-ar {
        font-size: 1.2rem;
    }
    .phrase-en {
        font-size: 0.9rem;
    }
    .play-btn {
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
    }
    .cartoon-card {
        padding: 20px 15px;
    }
    .category-buttons {
        gap: 8px;
    }
    .cat-btn {
        padding: 8px 12px;
        font-size: 0.95rem;
    }
}