/* Kabir Basketball Training App - Simplified Neurodivergent-Friendly Styles */

/* ==================== CSS RESET & BASE ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Neurodivergent-friendly color palette */
    --primary-orange: #ff6b35;
    --primary-orange-hover: #e55a2b;
    --success-green: #28a745;
    --success-green-hover: #218838;
    --danger-red: #dc3545;
    --warning-yellow: #ffc107;
    
    /* High contrast backgrounds */
    --bg-dark: #1a1a1a;
    --bg-medium: #2d2d2d;
    --bg-light: #f8f9fa;
    --bg-card: rgba(255, 255, 255, 0.05);
    --bg-card-hover: rgba(255, 255, 255, 0.1);
    
    /* Text colors */
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-muted: #888888;
    
    /* Spacing system */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 20px;
    --spacing-xl: 25px;
    --spacing-xxl: 30px;
    
    /* Touch targets (neurodivergent-friendly) */
    --touch-target-min: 50px;
    --touch-spacing: 15px;
    
    /* Typography */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.85rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.1rem;
    --font-size-xl: 1.3rem;
    --font-size-xxl: 1.8rem;
    --line-height-base: 1.6;
    
    /* Border radius */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 15px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 25px rgba(255, 107, 53, 0.3);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reduced motion for neurodivergent users */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-medium) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: var(--line-height-base);
    user-select: none;
    -webkit-user-select: none;
    font-size: var(--font-size-base);
}

/* ==================== FOCUS MANAGEMENT ==================== */
/* High-contrast focus indicators for accessibility */
*:focus {
    outline: 3px solid var(--primary-orange);
    outline-offset: 2px;
    box-shadow: 0 0 0 6px rgba(255, 107, 53, 0.2);
}

/* ==================== WELCOME SCREEN (NO PASSWORD) ==================== */
.welcome-screen {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: var(--spacing-lg);
    text-align: center;
}

.welcome-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-xxl);
    border-radius: var(--border-radius-lg);
    border: 2px solid rgba(255, 107, 53, 0.3);
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
}

.welcome-logo {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

.welcome-title {
    color: var(--primary-orange);
    font-size: var(--font-size-xxl);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.welcome-subtitle {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xxl);
    font-size: var(--font-size-lg);
    line-height: var(--line-height-base);
}

.start-btn {
    width: 100%;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-orange-hover));
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-lg);
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition-base);
    min-height: var(--touch-target-min);
    margin-bottom: var(--spacing-lg);
}

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

.welcome-note {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    font-style: italic;
}

/* ==================== MAIN APP ==================== */
.app {
    display: none;
    min-height: 100vh;
}

.header {
    background: rgba(0, 0, 0, 0.9);
    padding: var(--spacing-lg);
    text-align: center;
    border-bottom: 2px solid var(--primary-orange);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    color: var(--primary-orange);
    font-size: var(--font-size-xxl);
    margin-bottom: 5px;
    font-weight: 700;
}

.subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* ==================== TAB NAVIGATION ==================== */
.tab-nav {
    display: flex;
    background: rgba(0, 0, 0, 0.9);
    border-bottom: 1px solid #333;
    position: sticky;
    top: 80px;
    z-index: 99;
    overflow-x: auto;
}

.tab-btn {
    flex: 1;
    padding: var(--spacing-lg) var(--spacing-sm);
    text-align: center;
    background: transparent;
    color: var(--text-secondary);
    border: none;
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: var(--transition-base);
    min-height: 60px;
    min-width: 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.tab-btn.active {
    background: var(--primary-orange);
    color: white;
}

.tab-btn:not(.active):hover {
    background: rgba(255, 107, 53, 0.2);
}

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

.tab-text {
    font-size: var(--font-size-xs);
    font-weight: 600;
}

/* ==================== CONTENT LAYOUT ==================== */
.content {
    padding: var(--spacing-xl) var(--spacing-lg);
    max-width: 500px;
    margin: 0 auto;
}

.tab-content {
    display: none;
}

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

/* ==================== SIMPLIFIED SCORE INPUT ==================== */
.score-group {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.score-group h2 {
    color: var(--primary-orange);
    margin-bottom: var(--spacing-xl);
    font-size: var(--font-size-xl);
    text-align: center;
}

/* Simplified Score Input - Single Method Only */
.score-input {
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.score-input label {
    display: block;
    font-size: var(--font-size-lg);
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.input-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--touch-spacing);
    margin-bottom: var(--spacing-md);
}

/* Large, Touch-Friendly Buttons */
.btn {
    width: var(--touch-target-min);
    height: var(--touch-target-min);
    border: none;
    border-radius: var(--border-radius-md);
    font-size: 1.6rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid transparent;
}

.btn-minus {
    background: var(--danger-red);
    color: white;
}

.btn-minus:hover {
    background: #c82333;
    border-color: white;
}

.btn-plus {
    background: var(--success-green);
    color: white;
}

.btn-plus:hover {
    background: var(--success-green-hover);
    border-color: white;
}

.btn:hover {
    transform: scale(1.05);
}

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

/* Score Display */
.score-display {
    min-width: 80px;
    text-align: center;
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-orange);
    background: rgba(255, 107, 53, 0.1);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    border: 2px solid rgba(255, 107, 53, 0.5);
}

/* Goal Indicator */
.goal-indicator {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-style: italic;
    margin-top: var(--spacing-sm);
}

/* Complete Session Button */
.complete-session-btn {
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-orange-hover));
    color: white;
    border: none;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-lg);
    font-weight: bold;
    cursor: pointer;
    width: 100%;
    margin-top: var(--spacing-xl);
    transition: var(--transition-base);
    min-height: var(--touch-target-min);
}

.complete-session-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ==================== CONDITIONING COMPONENTS ==================== */
.conditioning-challenge {
    background: rgba(255, 107, 53, 0.1);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-lg);
    border: 1px solid rgba(255, 107, 53, 0.3);
}

.conditioning-challenge h2,
.conditioning-challenge h3 {
    color: var(--primary-orange);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.challenge-description {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.conditioning-sets {
    display: grid;
    gap: var(--spacing-md);
}

.conditioning-set {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    text-align: center;
    line-height: var(--line-height-base);
}

/* ==================== COACHING COMPONENTS ==================== */
.coaching-section {
    margin-bottom: var(--spacing-xl);
}

.coaching-section h2,
.coaching-section h3 {
    color: var(--primary-orange);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.quick-questions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.quick-btn {
    background: rgba(255, 107, 53, 0.1);
    color: var(--primary-orange);
    border: 1px solid rgba(255, 107, 53, 0.3);
    padding: var(--spacing-lg) var(--spacing-md);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-size: var(--font-size-sm);
    text-align: center;
    transition: var(--transition-base);
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
}

.quick-btn:hover {
    background: rgba(255, 107, 53, 0.2);
    transform: translateY(-1px);
}

.custom-question {
    margin-bottom: var(--spacing-lg);
}

.custom-question textarea {
    width: 100%;
    padding: var(--spacing-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-md);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
    line-height: var(--line-height-base);
}

.custom-question textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.ask-btn {
    background: var(--primary-orange);
    color: white;
    border: none;
    padding: var(--spacing-lg) var(--spacing-xxl);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-size: var(--font-size-base);
    font-weight: bold;
    width: 100%;
    margin-top: var(--spacing-md);
    transition: var(--transition-base);
    min-height: var(--touch-target-min);
}

.ask-btn:hover {
    background: var(--primary-orange-hover);
    transform: translateY(-1px);
}

.coach-response {
    background: rgba(255, 107, 53, 0.1);
    border: 1px solid rgba(255, 107, 53, 0.3);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    margin-top: var(--spacing-lg);
    line-height: var(--line-height-base);
}

.coach-response strong {
    color: var(--primary-orange);
}

/* ==================== WISDOM LIBRARY ==================== */
.wisdom-library {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    margin-top: var(--spacing-xl);
}

.wisdom-library h3,
.wisdom-library h4 {
    color: var(--primary-orange);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.wisdom-item {
    background: rgba(255, 107, 53, 0.1);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--spacing-md);
    border-left: 4px solid var(--primary-orange);
    font-style: italic;
    line-height: var(--line-height-base);
}

/* ==================== MEMORY COMPONENTS ==================== */
.memory-form {
    margin-bottom: var(--spacing-xl);
}

.memory-form h2 {
    color: var(--primary-orange);
    margin-bottom: var(--spacing-lg);
}

.memory-form textarea {
    width: 100%;
    padding: var(--spacing-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-md);
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    resize: vertical;
    min-height: 100px;
    font-family: inherit;
    line-height: var(--line-height-base);
    margin-bottom: var(--spacing-lg);
}

.memory-form textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.save-btn {
    background: var(--success-green);
    color: white;
    border: none;
    padding: var(--spacing-lg) var(--spacing-xxl);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-size: var(--font-size-base);
    font-weight: bold;
    width: 100%;
    transition: var(--transition-base);
    min-height: var(--touch-target-min);
}

.save-btn:hover {
    background: var(--success-green-hover);
    transform: translateY(-1px);
}

.memories-list {
    max-height: 400px;
    overflow-y: auto;
}

.memory-item {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid var(--primary-orange);
}

.memory-date {
    color: var(--primary-orange);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.memory-text {
    line-height: var(--line-height-base);
}

/* ==================== PROGRESS COMPONENTS ==================== */
.progress-stats {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.stat-card {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-orange);
    display: block;
    margin-bottom: 5px;
}

.stat-label {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.goal-progress {
    margin-bottom: var(--spacing-lg);
}

.goal-progress h3 {
    color: var(--primary-orange);
    margin-bottom: var(--spacing-lg);
}

.progress-item {
    margin-bottom: var(--spacing-lg);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.progress-bar {
    background: rgba(255, 255, 255, 0.1);
    height: 12px;
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.progress-fill {
    background: linear-gradient(90deg, var(--success-green), #20c997);
    height: 100%;
    border-radius: 6px;
    transition: width var(--transition-base);
}

.logout-btn {
    background: var(--danger-red);
    color: white;
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-lg);
    transition: var(--transition-base);
    min-height: 40px;
}

.logout-btn:hover {
    background: #c82333;
    transform: translateY(-1px);
}

/* ==================== RESPONSIVE DESIGN ==================== */
@media (max-width: 480px) {
    .content {
        padding: var(--spacing-lg);
    }
    
    .logo {
        font-size: 1.5rem;
    }
    
    .tab-btn {
        font-size: var(--font-size-xs);
        padding: var(--spacing-lg) 5px;
    }
    
    .quick-questions {
        grid-template-columns: 1fr;
    }
    
    .btn {
        width: 45px;
        height: 45px;
        font-size: 1.4rem;
    }
    
    .score-display {
        min-width: 70px;
        font-size: 1.8rem;
    }
    
    .progress-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 320px) {
    .input-controls {
        gap: var(--spacing-md);
    }
    
    .btn {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .score-display {
        min-width: 60px;
        font-size: 1.6rem;
    }
}

/* ==================== ANIMATIONS ==================== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

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

.tab-content.active {
    animation: fadeIn 0.3s ease-out;
}

.complete-session-btn:active {
    animation: pulse 0.2s ease-out;
}

/* ==================== UTILITY CLASSES ==================== */
.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==================== HIGH CONTRAST MODE ==================== */
@media (prefers-contrast: high) {
    :root {
        --bg-card: rgba(255, 255, 255, 0.1);
        --text-secondary: #ffffff;
    }
    
    .btn {
        border: 2px solid white;
    }
    
    .progress-bar {
        border: 1px solid white;
    }
}