@import url('https://fonts.googleapis.com/css2?family=Baloo+Bhaijaan+2:wght@500;700;800&family=Nunito:wght@700;900&display=swap');

:root {
    --primary: #FF5A5F;
    --primary-dark: #cc484c;
    --secondary: #00D2D3;
    --secondary-dark: #00a8a9;
    --accent: #FECA57;
    --accent-dark: #cba245;
    --success: #1DD1A1;
    --success-dark: #17a781;
    --purple: #5F27CD;
    --purple-dark: #4c1fa4;
    --text-dark: #222F3E;
    --text-light: #FFFFFF;
    --bg-color: #C8D6E5;
    --card-bg: #FFFFFF;
    --radius: 25px;
}

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

body {
    font-family: 'Baloo Bhaijaan 2', 'Nunito', sans-serif; /* Really bubbly Arabic font */
    background-color: var(--bg-color);
    background-image: radial-gradient(white 15%, transparent 16%), radial-gradient(white 15%, transparent 16%);
    background-size: 60px 60px;
    background-position: 0 0, 30px 30px;
    color: var(--text-dark);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Screens */
.screen {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
    transition: opacity 0.5s ease;
}

.hide { display: none !important; }
.active { display: flex; }

/* Welcome Screen */
#welcome-screen { justify-content: center; }

.welcome-card {
    background: var(--card-bg);
    padding: 3rem 2rem;
    border-radius: var(--radius);
    text-align: center;
    max-width: 550px;
    width: 100%;
    border: 6px solid var(--text-dark);
    box-shadow: 0 12px 0 var(--text-dark);
    position: relative;
    animation: zoomIn 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.mascot-img {
    width: 200px;
    height: 200px;
    object-fit: contain;
    margin-bottom: 1rem;
    animation: bounce-mascot 3s infinite ease-in-out;
}

.welcome-card h1 {
    font-size: 2.8rem;
    color: var(--primary);
    text-shadow: 2px 2px 0 var(--text-dark), -1px -1px 0 var(--text-dark), 1px -1px 0 var(--text-dark), -1px 1px 0 var(--text-dark), 1px 1px 0 var(--text-dark);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.welcome-card p {
    font-family: 'Nunito', sans-serif;
    color: var(--purple);
    font-weight: 900;
    margin-bottom: 2rem;
    font-size: 1.4rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
}

input[type="text"] {
    width: 90%;
    padding: 1rem;
    border: 5px solid var(--text-dark);
    border-radius: 50px;
    font-size: 1.5rem;
    font-family: 'Baloo Bhaijaan 2', sans-serif;
    font-weight: 700;
    outline: none;
    text-align: center;
    background-color: #f1f2f6;
    box-shadow: inset 0 4px 6px rgba(0,0,0,0.1);
    transition: all 0.3s;
}

input[type="text"]:focus {
    border-color: var(--secondary);
    background-color: #FFF;
    transform: scale(1.02);
}

.btn {
    padding: 1rem 2.5rem;
    border: 5px solid var(--text-dark);
    border-radius: 50px;
    font-size: 1.8rem;
    font-weight: 800;
    font-family: 'Baloo Bhaijaan 2', sans-serif;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    transition: all 0.1s;
}

.bounce-btn {
    background: var(--accent);
    color: var(--text-dark);
    box-shadow: 0 8px 0 var(--text-dark);
}

.bounce-btn:hover {
    transform: translateY(4px);
    box-shadow: 0 4px 0 var(--text-dark);
    background: #FFD370;
}

.bounce-btn:active {
    transform: translateY(8px);
    box-shadow: 0 0 0 var(--text-dark);
}

/* Lesson Screen */
.lesson-header {
    background: var(--accent);
    width: 100%;
    max-width: 900px;
    padding: 1.5rem 2.5rem;
    border-radius: 50px;
    border: 5px solid var(--text-dark);
    box-shadow: 0 8px 0 var(--text-dark);
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
}

.lesson-header h2 {
    color: var(--text-dark);
    font-size: 2.2rem;
    font-weight: 800;
}

.icon-btn {
    background: var(--primary);
    color: white;
    border: 4px solid var(--text-dark);
    width: 65px;
    height: 65px;
    border-radius: 50%;
    font-size: 1.6rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 0 var(--text-dark);
    transition: all 0.1s;
}

.icon-btn:hover {
    transform: translateY(3px);
    box-shadow: 0 3px 0 var(--text-dark);
}

.icon-btn:active {
    transform: translateY(6px);
    box-shadow: none;
}

.icon-btn.playing {
    background: var(--success);
    animation: jiggle 0.4s infinite;
}

/* Sections */
.lesson-content {
    width: 100%;
    max-width: 1000px;
    display: flex;
    flex-direction: column;
    gap: 4rem;
    padding-bottom: 3rem;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    background: white;
    padding: 0.5rem 2rem;
    border-radius: 50px;
    border: 4px dashed var(--purple);
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
    transform: rotate(-2deg);
    box-shadow: 5px 5px 0 rgba(0,0,0,0.05);
}

.section-title:nth-child(even) {
    border-color: var(--primary);
    transform: rotate(2deg);
}

.section-icon {
    width: 80px;
    height: 80px;
    object-fit: contain;
    animation: floating 3s infinite ease-in-out;
}

.section-title h3 {
    font-size: 2.4rem;
    color: var(--text-dark);
    text-shadow: 1px 1px 0 #ecf0f1;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    padding: 1rem;
}

/* Flashcards */
.vocab-card {
    border-radius: 30px;
    padding: 2.5rem 1.5rem;
    border: 5px solid var(--text-dark);
    transition: all 0.2s ease;
    cursor: pointer;
    position: relative;
    text-align: center;
}

.vocab-card:hover {
    transform: translateY(-5px);
}

.vocab-card:active {
    transform: translateY(10px);
}

/* Thematic borders and backgrounds */
.vocab-card.greetings-theme { background: #FFF0F0; border-color: var(--text-dark); box-shadow: 0 12px 0 var(--primary-dark); }
.vocab-card.greetings-theme:hover { box-shadow: 0 15px 0 var(--primary-dark); border-color: var(--primary); }
.vocab-card.greetings-theme:active { box-shadow: 0 0 0 var(--primary-dark); }

.vocab-card.intro-theme { background: #F0FCFC; border-color: var(--text-dark); box-shadow: 0 12px 0 var(--secondary-dark); }
.vocab-card.intro-theme:hover { box-shadow: 0 15px 0 var(--secondary-dark); border-color: var(--secondary); }
.vocab-card.intro-theme:active { box-shadow: 0 0 0 var(--secondary-dark); }

.vocab-card.family-theme { background: #FFF9EE; border-color: var(--text-dark); box-shadow: 0 12px 0 var(--accent-dark); }
.vocab-card.family-theme:hover { box-shadow: 0 15px 0 var(--accent-dark); border-color: var(--accent); }
.vocab-card.family-theme:active { box-shadow: 0 0 0 var(--accent-dark); }

.vocab-card.questions-theme { background: #F6F0FF; border-color: var(--text-dark); box-shadow: 0 12px 0 var(--purple-dark); }
.vocab-card.questions-theme:hover { box-shadow: 0 15px 0 var(--purple-dark); border-color: var(--purple); }
.vocab-card.questions-theme:active { box-shadow: 0 0 0 var(--purple-dark); }

.card-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
}

.ar-text {
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1.4;
    text-shadow: 1px 1px 0 rgba(255,255,255,0.8);
}

.en-text {
    font-family: 'Nunito', sans-serif;
    font-size: 1.3rem;
    color: #636E72;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.play-indicator {
    position: absolute;
    top: -25px;
    left: -25px;
    width: 65px;
    height: 65px;
    background: var(--text-light);
    border: 5px solid var(--text-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dark);
    font-size: 1.8rem;
    box-shadow: 0 6px 0 var(--text-dark);
    transition: all 0.2s;
    z-index: 2;
}

.vocab-card:hover .play-indicator {
    background: var(--accent);
    transform: scale(1.1) rotate(-15deg);
}

.vocab-card.playing .play-indicator {
    background: var(--success);
    color: white;
    animation: jiggle 0.4s infinite;
}

.vocab-card.playing {
    border-color: var(--success);
    transform: scale(1.02);
}

/* Animations */
@keyframes bounce-mascot {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(5deg); }
}

@keyframes floating {
    0% { transform: translateY(0) rotate(-5deg); }
    50% { transform: translateY(-10px) rotate(5deg); }
    100% { transform: translateY(0) rotate(-5deg); }
}

@keyframes jiggle {
    0% { transform: rotate(-10deg) scale(1.1); }
    50% { transform: rotate(10deg) scale(1.1); }
    100% { transform: rotate(-10deg) scale(1.1); }
}

@keyframes zoomIn {
    from { opacity: 0; transform: scale(0.5); }
    to { opacity: 1; transform: scale(1); }
}

footer {
    margin-top: 3rem;
    display: flex;
    justify-content: center;
}

.outline-btn {
    background: white;
    border: 5px solid var(--text-dark);
    color: var(--text-dark);
    font-size: 1.5rem;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    box-shadow: 0 8px 0 var(--text-dark);
    font-family: 'Baloo Bhaijaan 2', sans-serif;
    font-weight: 800;
}

.outline-btn:hover {
    transform: translateY(4px);
    box-shadow: 0 4px 0 var(--text-dark);
    background: #f1f2f6;
}

.outline-btn:active {
    transform: translateY(8px);
    box-shadow: none;
}

@media (max-width: 600px) {
    .welcome-card { padding: 2rem 1.5rem; border: 4px solid var(--text-dark); border-radius: 30px;}
    .welcome-card h1 { font-size: 2.2rem; }
    .ar-text { font-size: 2.2rem; }
    .section-title h3 { font-size: 1.8rem; }
    .section-title { padding: 0.8rem 1.2rem; flex-direction: column; border-radius: 30px;}
    .lesson-header { flex-direction: column; gap: 1rem; border-radius: 30px; text-align: center;}
}