/* --------------------------------------------------
   SPELLING BEE COACH - DESIGN SYSTEM & CORE UTILITIES
   -------------------------------------------------- */

:root {
    /* Color Palette */
    --color-primary: #FFB300;     /* Amber Yellow */
    --color-primary-dark: #FF8F00;
    --color-primary-light: #FFE082;
    --color-secondary: #795548;   /* Warm Hive Brown */
    --color-bg-app: #F9F6F0;       /* Eggshell Cream */
    --color-bg-card: #FFFFFF;
    --color-text-dark: #2E2E3A;
    --color-text-muted: #6B6B7C;
    --color-success: #4CAF50;
    --color-success-light: #E8F5E9;
    --color-danger: #F44336;
    --color-danger-light: #FFEBEE;
    --color-accent-blue: #0288D1;
    --color-border: #E6E1D6;

    /* Fonts */
    --font-heading: 'Fredoka', 'Quicksand', sans-serif;
    --font-body: 'Quicksand', sans-serif;

    /* Shadows & Transitions */
    --shadow-soft: 0 8px 24px rgba(121, 85, 72, 0.06);
    --shadow-medium: 0 12px 36px rgba(121, 85, 72, 0.12);
    --shadow-hover: 0 16px 40px rgba(255, 179, 0, 0.2);
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 8px;
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-app);
    color: var(--color-text-dark);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    line-height: 1.5;
}

.app-container {
    width: 100%;
    max-width: 1200px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Header Styles */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    background-color: var(--color-bg-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    border: 2px solid var(--color-border);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-bee {
    font-size: 2.2rem;
    animation: hover-bee 3s ease-in-out infinite;
    display: inline-block;
}

.app-header h1 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.8rem;
    color: var(--color-secondary);
}

/* Badges */
.status-badge .badge {
    padding: 8px 16px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    display: inline-block;
}

.badge.active {
    background-color: var(--color-success-light);
    color: #2E7D32;
    border: 1.5px solid #A5D6A7;
}

.badge.basic {
    background-color: #FFF3E0;
    color: #E65100;
    border: 1.5px solid #FFCC80;
}

/* Layout Columns */
.app-layout {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 24px;
}

.panel-section {
    background-color: var(--color-bg-card);
    border-radius: var(--radius-lg);
    border: 3px solid var(--color-border);
    padding: 30px;
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition-normal);
}

.panel-header {
    margin-bottom: 25px;
    border-bottom: 2px dashed var(--color-border);
    padding-bottom: 15px;
}

.panel-header h2 {
    font-family: var(--font-heading);
    color: var(--color-secondary);
    font-size: 1.5rem;
}

.panel-subtitle {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* Forms & Textarea */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.form-group label {
    font-weight: 700;
    color: var(--color-secondary);
}

textarea {
    width: 100%;
    height: 160px;
    padding: 15px;
    border-radius: var(--radius-md);
    border: 2px solid var(--color-border);
    font-family: inherit;
    font-size: 1rem;
    resize: none;
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px var(--color-primary-light);
}

.helper-text {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    line-height: 1.3;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    text-align: center;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-text-dark);
    border-bottom: 4px solid var(--color-primary-dark);
}

.btn-primary:hover {
    background-color: #FFC107;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-primary:active {
    transform: translateY(1px);
    border-bottom-width: 1px;
}

.btn-secondary {
    background-color: #EEEEEE;
    color: var(--color-text-muted);
    border-bottom: 4px solid #CCCCCC;
}

.btn-secondary:hover {
    background-color: #E0E0E0;
    color: var(--color-text-dark);
    transform: translateY(-2px);
}

.btn-success {
    background-color: var(--color-success);
    color: white;
    border-bottom: 4px solid #388E3C;
}

.btn-success:hover {
    background-color: #43A047;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(76, 175, 80, 0.3);
}

.btn-parent {
    width: 100%;
}

.parent-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 30px;
}

/* Stats Dashboard Card */
.stats-summary {
    background-color: #FAF8F5;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 20px;
}

.stats-summary h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--color-secondary);
    margin-bottom: 12px;
}

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

.stat-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: 12px;
    border-radius: var(--radius-sm);
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.stat-number {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--color-primary-dark);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-weight: 700;
}

/* Game Panel / Active Practice Screen */
.game-panel {
    display: flex;
    flex-direction: column;
    min-height: 500px;
    position: relative;
    overflow: hidden;
}

.game-state {
    display: none;
    flex-direction: column;
    flex-grow: 1;
    width: 100%;
}

.game-state.active {
    display: flex;
}

/* Welcome state */
.welcome-box {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    flex-grow: 1;
    text-align: center;
    gap: 20px;
    padding: 40px;
}

.giant-bee {
    font-size: 5rem;
    animation: hover-bee 3s ease-in-out infinite;
}

.welcome-box h3 {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--color-secondary);
}

.welcome-box p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    max-width: 400px;
}

/* HUD elements */
.game-hud {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    background-color: #FAF8F5;
    padding: 12px 24px;
    border-radius: 50px;
    border: 2px solid var(--color-border);
}

.progress-indicator {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-secondary);
    display: flex;
    gap: 5px;
}

.progress-indicator strong {
    color: var(--color-primary-dark);
    font-family: var(--font-heading);
}

.hud-stars {
    font-size: 1.2rem;
    letter-spacing: 2px;
}

/* Card Spelling main area */
.spelling-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 25px;
    flex-grow: 1;
}

/* Pronounce sound button */
.pronounce-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin: 10px 0;
}

.btn-voice-round {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: var(--color-primary-light);
    border: 3px solid var(--color-primary);
    font-size: 2.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    box-shadow: 0 6px 16px rgba(255, 179, 0, 0.15);
}

.btn-voice-round:hover {
    background-color: var(--color-primary);
    transform: scale(1.08);
    box-shadow: var(--shadow-hover);
}

.btn-voice-round:active {
    transform: scale(0.95);
}

.btn-caption {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 700;
}

/* Hints Accordion */
.hints-accordion {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.hint-item {
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--color-bg-card);
    transition: all var(--transition-fast);
}

.hint-header {
    width: 100%;
    padding: 14px 20px;
    background-color: #FAF8F5;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--color-secondary);
    cursor: pointer;
    text-align: left;
    transition: background-color var(--transition-fast);
}

.hint-header:hover {
    background-color: #F5EFEB;
}

.hint-content {
    padding: 15px 20px;
    border-top: 1.5px dashed var(--color-border);
    font-size: 1rem;
    line-height: 1.4;
    color: var(--color-text-dark);
    display: none; /* JS will toggle this */
}

.hint-content.active {
    display: block;
}

.hint-header .chevron {
    font-size: 0.8rem;
    transition: transform var(--transition-fast);
}

.hint-item.expanded .chevron {
    transform: rotate(180deg);
}

/* Spelling Input Zone */
.spelling-input-zone {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

/* Letters block display */
.feedback-input-box {
    width: 100%;
    min-height: 60px;
    border: 3px dashed var(--color-primary);
    border-radius: var(--radius-md);
    background-color: #FFFDE7;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
}

.placeholder-text {
    color: var(--color-text-muted);
    font-style: italic;
    font-size: 0.95rem;
}

.placeholder-text.hidden {
    display: none;
}

.typed-letters-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
}

.letter-bubble {
    background-color: var(--color-primary);
    color: var(--color-text-dark);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.6rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(255, 179, 0, 0.2);
    border: 2px solid var(--color-primary-dark);
    animation: pop-letter 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Text Input container */
.input-text-container {
    width: 100%;
}

#manualSpellingInput {
    width: 100%;
    padding: 14px 20px;
    font-size: 1.4rem;
    font-weight: 700;
    text-align: center;
    border-radius: var(--radius-md);
    border: 3px solid var(--color-border);
    outline: none;
    letter-spacing: 2px;
    font-family: var(--font-heading);
    text-transform: lowercase;
    transition: all var(--transition-fast);
}

#manualSpellingInput:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 5px var(--color-primary-light);
}

/* Microphone layout and effects */
.mic-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.btn-mic {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: 50px;
    background-color: #F3E5F5;
    border: 2px solid #BA68C8;
    color: #4A148C;
    cursor: pointer;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.btn-mic:hover {
    background-color: #E1BEE7;
    transform: scale(1.03);
}

.btn-mic.listening {
    background-color: #E57373;
    border-color: #D32F2F;
    color: white;
    animation: pulse-red 1.5s infinite;
}

.btn-mic.listening .mic-icon {
    animation: shake-mic 0.5s infinite alternate;
}

.mic-hint {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-align: center;
}

.mic-hint em {
    color: var(--color-primary-dark);
    font-weight: 700;
}

/* Bottom Actions spacing */
.spelling-actions {
    display: flex;
    justify-content: space-between;
    width: 100%;
    gap: 15px;
    margin-top: 10px;
}

.spelling-actions .btn {
    flex: 1;
}

/* Tutor Box UI */
.tutor-box {
    margin-top: 30px;
    background-color: #FFFDE7;
    border: 2px solid #FFF59D;
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    gap: 15px;
    align-items: flex-start;
    animation: fade-in-slide 0.4s ease-out;
}

.tutor-avatar {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.tutor-emoji {
    font-size: 2rem;
    animation: hover-bee 2.5s ease-in-out infinite;
}

.tutor-avatar strong {
    font-size: 0.75rem;
    color: var(--color-secondary);
}

.tutor-content {
    font-size: 0.95rem;
    color: #5D4037;
    line-height: 1.4;
}

/* Completion state styling */
.finished-box {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    flex-grow: 1;
    text-align: center;
    gap: 24px;
    padding: 40px;
}

.trophy-emoji {
    font-size: 5rem;
    animation: bounce-trophy 2s ease-in-out infinite;
}

.finished-box h2 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    color: var(--color-secondary);
}

.finished-score {
    background-color: #FFF9C4;
    border: 2px solid #FFF176;
    padding: 20px 40px;
    border-radius: var(--radius-md);
}

.score-stars {
    font-size: 1.8rem;
    margin-bottom: 8px;
    letter-spacing: 4px;
}

.score-detail {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--color-secondary);
}

/* Footer info */
.app-footer {
    text-align: center;
    padding: 15px;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    border-top: 1px solid var(--color-border);
    margin-top: 10px;
}

/* CSS Keyframes & Animations */
@keyframes hover-bee {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-8px) rotate(5deg); }
    100% { transform: translateY(0px) rotate(0deg); }
}

@keyframes pulse-red {
    0% { box-shadow: 0 0 0 0 rgba(229, 115, 115, 0.6); }
    70% { box-shadow: 0 0 0 12px rgba(229, 115, 115, 0); }
    100% { box-shadow: 0 0 0 0 rgba(229, 115, 115, 0); }
}

@keyframes shake-mic {
    0% { transform: rotate(-5deg); }
    100% { transform: rotate(5deg); }
}

@keyframes pop-letter {
    0% { transform: scale(0.3); opacity: 0; }
    80% { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

@keyframes fade-in-slide {
    0% { transform: translateY(15px); opacity: 0; }
    100% { transform: translateY(0); opacity: 1; }
}

@keyframes bounce-trophy {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-12px) scale(1.05); }
}

/* Active card shaking animation (when child makes an error) */
.shake-card {
    animation: shake-error 0.5s ease-in-out;
}

@keyframes shake-error {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-10px); }
    40%, 80% { transform: translateX(10px); }
}

/* --------------------------------------------------
   RESPONSIVE LAYOUT (MEDIA QUERIES)
   -------------------------------------------------- */
@media (max-width: 900px) {
    body {
        padding: 10px;
    }
    
    .app-layout {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .app-header {
        flex-direction: column;
        gap: 10px;
        text-align: center;
        padding: 15px;
    }
    
    .panel-section {
        padding: 20px;
    }
    
    .btn-voice-round {
        width: 70px;
        height: 70px;
        font-size: 1.8rem;
    }
    
    #manualSpellingInput {
        font-size: 1.2rem;
    }
    
    .letter-bubble {
        width: 38px;
        height: 38px;
        font-size: 1.3rem;
    }
}