/**
 * Spark Your Potential - Global Styles
 * Shared CSS for consistent look across all pages
 */

/* ============================================
   CSS VARIABLES / DESIGN TOKENS
   ============================================ */
:root {
    /* Brand Colors */
    --spark-purple-dark: #5B21B6;
    --spark-purple-main: #7C3AED;
    --spark-purple-light: #A78BFA;
    --spark-gold: #F59E0B;
    --spark-gold-light: #FCD34D;
    --spark-orange: #F97316;
    --spark-pink: #EC4899;
    --spark-teal: #14B8A6;

    /* Semantic Colors */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --info: #3B82F6;

    /* Backgrounds */
    --bg-dark: #1a1a2e;
    --bg-dark-alt: #2d1b4e;
    --bg-light: #FFFBEB;
    --bg-light-alt: #FEF3C7;
    --bg-card: #FFFFFF;

    /* Text */
    --text-dark: #1F2937;
    --text-muted: #6B7280;
    --text-light: #F9FAFB;

    /* Borders */
    --border-light: #E5E7EB;
    --border-gold: #FDE68A;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-purple: 0 4px 20px rgba(124, 58, 237, 0.3);
    --shadow-gold: 0 4px 15px rgba(245, 158, 11, 0.4);

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 200ms ease;
    --transition-slow: 300ms ease;
}

/* ============================================
   BASE RESETS
   ============================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-dark);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

a {
    color: var(--spark-purple-main);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--spark-purple-dark);
}

/* ============================================
   GRADIENTS
   ============================================ */
.gradient-purple {
    background: linear-gradient(135deg, var(--spark-purple-dark) 0%, var(--spark-purple-main) 100%);
}

.gradient-gold {
    background: linear-gradient(135deg, var(--spark-gold) 0%, var(--spark-orange) 100%);
}

.gradient-dark {
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark-alt) 100%);
}

.gradient-career {
    background: linear-gradient(135deg, #F59E0B 0%, #F97316 100%);
}

.gradient-audhd {
    background: linear-gradient(135deg, #7C3AED 0%, #EC4899 100%);
}

.gradient-blended {
    background: linear-gradient(135deg, #10B981 0%, #14B8A6 100%);
}

.gradient-exec {
    background: linear-gradient(135deg, #475569 0%, #1E293B 100%);
}

/* Text gradient */
.text-gradient {
    background: linear-gradient(135deg, var(--spark-gold) 0%, var(--spark-orange) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn-spark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-spark:hover {
    transform: translateY(-2px);
}

.btn-spark:active {
    transform: translateY(0);
}

.btn-spark-primary {
    background: var(--spark-purple-main);
    color: white;
}

.btn-spark-primary:hover {
    background: var(--spark-purple-dark);
    box-shadow: var(--shadow-purple);
}

.btn-spark-gold {
    background: linear-gradient(135deg, var(--spark-gold) 0%, var(--spark-orange) 100%);
    color: var(--text-dark);
}

.btn-spark-gold:hover {
    box-shadow: var(--shadow-gold);
}

.btn-spark-outline {
    background: transparent;
    border: 2px solid var(--spark-purple-main);
    color: var(--spark-purple-main);
}

.btn-spark-outline:hover {
    background: var(--spark-purple-main);
    color: white;
}

/* ============================================
   CARDS
   ============================================ */
.card-spark {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.card-spark:hover {
    box-shadow: var(--shadow-lg);
}

.card-spark-bordered {
    border: 2px solid var(--border-light);
}

.card-spark-gold {
    border: 2px solid var(--border-gold);
    background: linear-gradient(135deg, #FFFBEB 0%, #FEF3C7 100%);
}

/* ============================================
   FORMS
   ============================================ */
.input-spark {
    width: 100%;
    padding: var(--space-md);
    font-size: var(--font-size-base);
    font-family: inherit;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    background: white;
    transition: all var(--transition-fast);
}

.input-spark:focus {
    outline: none;
    border-color: var(--spark-purple-main);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.input-spark::placeholder {
    color: var(--text-muted);
}

.label-spark {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--space-xs);
}

/* ============================================
   BADGES
   ============================================ */
.badge-spark {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
}

.badge-spark-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.badge-spark-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.badge-spark-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
}

.badge-spark-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info);
}

/* ============================================
   LAYOUT UTILITIES
   ============================================ */
.container-spark {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

/* Responsive grids */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

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

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.animate-fadeIn { animation: fadeIn var(--transition-slow) ease; }
.animate-slideUp { animation: slideUp var(--transition-slow) ease; }
.animate-slideIn { animation: slideIn var(--transition-slow) ease; }
.animate-pulse { animation: pulse 2s infinite; }
.animate-bounce { animation: bounce 1s infinite; }
.animate-spin { animation: spin 1s linear infinite; }

/* ============================================
   TOAST / NOTIFICATIONS
   ============================================ */
.toast-spark {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    font-weight: 500;
    z-index: 9999;
    animation: slideUp var(--transition-normal) ease;
}

.toast-spark-success {
    background: var(--success);
    color: white;
}

.toast-spark-error {
    background: var(--error);
    color: white;
}

/* ============================================
   LOADING STATES
   ============================================ */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.loading-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border-light);
    border-top-color: var(--spark-purple-main);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* ============================================
   PROGRAMME-SPECIFIC COLORS
   ============================================ */
.programme-career {
    --programme-color: var(--spark-gold);
    --programme-bg: linear-gradient(135deg, #F59E0B 0%, #F97316 100%);
}

.programme-audhd {
    --programme-color: var(--spark-purple-main);
    --programme-bg: linear-gradient(135deg, #7C3AED 0%, #EC4899 100%);
}

.programme-blended {
    --programme-color: var(--spark-teal);
    --programme-bg: linear-gradient(135deg, #10B981 0%, #14B8A6 100%);
}

.programme-exec {
    --programme-color: #475569;
    --programme-bg: linear-gradient(135deg, #475569 0%, #1E293B 100%);
}

/* ============================================
   DARK MODE SUPPORT
   ============================================ */
[data-theme="night"] {
    --bg-card: #1f2937;
    --text-dark: #f9fafb;
    --text-muted: #9ca3af;
    --border-light: #374151;
}

/* ============================================
   PRINT: TEXTAREA MIRRORS (shared/print-textareas.js)
   ============================================ */
.print-value {
    display: none;
    white-space: pre-wrap;
    font-size: 0.95em;
    line-height: 1.6;
    color: #1e293b;
    padding: 10px 0;
    border-bottom: 1px solid #e2e8f0;
    min-height: 20px;
}

.print-value:empty::after {
    content: '\2014';
    color: #94a3b8;
    font-style: italic;
}

body.print-mode textarea {
    display: none !important;
}

body.print-mode .print-value {
    display: block !important;
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .no-print { display: none !important; }

    body {
        background: white;
        color: black;
    }

    .card-spark {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}