/* ============================================
   SPCL ERP - Global Design System
   Sensitive Professional Company Limited
   Color: Purple / White / Shades of Purple
   ============================================ */

/* CSS Variables */
:root {
    /* Primary Colors */
    --primary-purple: #9C3993;
    --primary-magenta: #B84A9F;
    --dark-purple: #5A1F55;
    --light-purple: #F5E6F3;
    --lighter-purple: #FCF9FC;
    
    /* Neutral Colors */
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* Semantic Colors */
    --success: #10B981;
    --success-light: #D1FAE5;
    --warning: #F59E0B;
    --warning-light: #FEF3C7;
    --error: #EF4444;
    --error-light: #FEE2E2;
    --info: #3B82F6;
    --info-light: #DBEAFE;
    
    /* Text Colors */
    --text-primary: #111827;
    --text-secondary: #4B5563;
    --text-tertiary: #9CA3AF;
    
    /* Backgrounds */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F9FAFB;
    --bg-tertiary: #F3F4F6;
    
    /* Border */
    --border-color: #E5E7EB;
    
    /* Fonts */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Poppins', 'Inter', sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 50px rgba(0,0,0,0.15);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Dark Theme */
[data-theme="dark"] {
    --text-primary: #F9FAFB;
    --text-secondary: #D1D5DB;
    --text-tertiary: #6B7280;
    --bg-primary: #111827;
    --bg-secondary: #1F2937;
    --bg-tertiary: #374151;
    --border-color: #374151;
    --gray-50: #1F2937;
    --gray-100: #374151;
    --gray-200: #4B5563;
    --light-purple: rgba(156,57,147,0.15);
    --lighter-purple: rgba(156,57,147,0.05);
}

/* ============================================
   BASE STYLES
   ============================================ */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    background: var(--bg-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

input, select, textarea, button {
    font-family: var(--font-primary);
    font-size: inherit;
}

::selection {
    background: var(--primary-purple);
    color: white;
}

/* ============================================
   LAYOUT
   ============================================ */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.container-sm {
    max-width: 900px;
}

.container-lg {
    max-width: 1400px;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

.text-purple { color: var(--primary-purple); }
.text-white { color: white; }
.text-secondary { color: var(--text-secondary); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-error { color: var(--error); }
.text-center { text-align: center; }
.text-right { text-align: right; }

.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }

/* ============================================
   FORMS
   ============================================ */

.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
}

.form-label.required::after {
    content: ' *';
    color: var(--error);
}

.form-control {
    width: 100%;
    padding: 0.7rem 1rem;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
}

.form-control:focus {
    border-color: var(--primary-purple);
    box-shadow: 0 0 0 3px rgba(156,57,147,0.12);
}

.form-control::placeholder {
    color: var(--gray-400);
}

.form-control:disabled, .form-control[readonly] {
    background: var(--gray-100);
    cursor: not-allowed;
    opacity: 0.7;
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
}

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236B7280' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-help {
    display: block;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-top: 0.3rem;
}

.form-error {
    display: block;
    font-size: 0.8rem;
    color: var(--error);
    margin-top: 0.3rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.form-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.form-full {
    grid-column: 1 / -1;
}

.form-check {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.form-check-input {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--primary-purple);
    flex-shrink: 0;
    cursor: pointer;
}

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

/* ============================================
   PROGRESS BAR
   ============================================ */

.progress {
    width: 100%;
    height: 8px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-purple), var(--primary-magenta));
    border-radius: var(--radius-full);
    transition: width 0.6s ease;
}

/* ============================================
   BADGES
   ============================================ */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
}

.badge-purple {
    background: var(--light-purple);
    color: var(--primary-purple);
}

.badge-success {
    background: var(--success-light);
    color: #065F46;
}

.badge-warning {
    background: var(--warning-light);
    color: #92400E;
}

.badge-error {
    background: var(--error-light);
    color: #991B1B;
}

.badge-info {
    background: var(--info-light);
    color: #1E40AF;
}

.badge-gray {
    background: var(--gray-100);
    color: var(--gray-600);
}

/* ============================================
   ALERTS
   ============================================ */

.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.alert-success {
    background: var(--success-light);
    color: #065F46;
    border-left: 4px solid var(--success);
}

.alert-warning {
    background: var(--warning-light);
    color: #92400E;
    border-left: 4px solid var(--warning);
}

.alert-error {
    background: var(--error-light);
    color: #991B1B;
    border-left: 4px solid var(--error);
}

.alert-info {
    background: var(--info-light);
    color: #1E40AF;
    border-left: 4px solid var(--info);
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInUp {
    from { transform: translateY(30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes bounceIn {
    0% { transform: scale(0.5); opacity: 0; }
    60% { transform: scale(1.1); opacity: 1; }
    100% { transform: scale(1); }
}

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

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

.animate-float {
    animation: float 3s ease-in-out infinite;
}

/* ============================================
   UTILITIES
   ============================================ */

.hidden { display: none !important; }
.no-print { }
@media print { .no-print { display: none !important; } }

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

/* Stat Cards */
.stat-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

[data-theme="dark"] .stat-card {
    background: var(--bg-secondary);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.stat-icon-purple { background: var(--light-purple); color: var(--primary-purple); }
.stat-icon-green { background: var(--success-light); color: var(--success); }
.stat-icon-yellow { background: var(--warning-light); color: var(--warning); }
.stat-icon-blue { background: var(--info-light); color: var(--info); }

.stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    font-family: var(--font-heading);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.78rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

/* Type Grid (applicant portal) */
.type-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.type-card {
    background: white;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

[data-theme="dark"] .type-card {
    background: var(--bg-secondary);
    border-color: var(--border-color);
}

.type-card:hover {
    border-color: var(--primary-purple);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.type-card.selected {
    border-color: var(--primary-purple);
    background: var(--light-purple);
    box-shadow: 0 0 0 3px rgba(156,57,147,0.15);
}

.type-card-icon {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 0.75rem;
}

.type-card-title {
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}

.type-card-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Tracking ID badge */
.tracking-id {
    background: rgba(156,57,147,0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(156,57,147,0.3);
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-family: monospace;
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary-purple);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.tracking-id:hover {
    background: rgba(156,57,147,0.2);
}

/* WhatsApp Button */
.whatsapp-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 56px;
    height: 56px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.75rem;
    box-shadow: 0 4px 20px rgba(37,211,102,0.4);
    z-index: 999;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37,211,102,0.5);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .container {
        padding: 0 1rem;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    .hide-mobile {
        display: none;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
}