/**
 * ComplyEur Design System
 * Modern, Professional Design Language
 *
 * Based on ComplyEur Brand Identity:
 * - Primary Navy (#0D2A4A) - Authority & Trust
 * - Medium Blue (#385070) - Professional & Reliable
 * - Muted Blue Accent (#A8B2D1) - Subtle Elegance
 * - Whisper White (#F7F7F7) - Clean & Spacious
 * - Pale Gold (#E5D8B0) - Premium Touch
 */

/* ============================================
   Design Tokens - Brand Identity
   ============================================ */
:root {
    /* ===== Brand Colors ===== */
    --brand-navy-primary: #0D2A4A;
    --brand-navy-dark: #071828;
    --brand-navy-light: #1A3D5F;

    --brand-blue-primary: #385070;
    --brand-blue-dark: #2A3D52;
    --brand-blue-light: #4C6B8F;

    --brand-accent-blue: #A8B2D1;
    --brand-accent-blue-light: #C4CDE5;
    --brand-accent-blue-dark: #8896B8;

    --brand-gold: #E5D8B0;
    --brand-gold-light: #F0E8D4;
    --brand-gold-dark: #D4C598;

    /* ===== Semantic Colors ===== */
    --color-success: #10B981;
    --color-success-light: #D1FAE5;
    --color-success-dark: #059669;

    --color-warning: #F59E0B;
    --color-warning-light: #FEF3C7;
    --color-warning-dark: #D97706;

    --color-danger: #EF4444;
    --color-danger-light: #FEE2E2;
    --color-danger-dark: #DC2626;

    --color-info: #3B82F6;
    --color-info-light: #DBEAFE;
    --color-info-dark: #2563EB;

    /* ===== Neutral Palette ===== */
    --color-white: #FFFFFF;
    --color-whisper: #F7F7F7;
    --color-soft-grey: #E5E5E5;
    --color-medium-grey: #9CA3AF;
    --color-dark-grey: #6B7280;
    --color-text-primary: #1E1E1E;
    --color-text-secondary: #4B5563;
    --color-text-muted: #9CA3AF;

    /* ===== Background Colors ===== */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F7F7F7;
    --bg-tertiary: #F3F4F6;
    --bg-navy-gradient: linear-gradient(135deg, var(--brand-navy-primary) 0%, var(--brand-blue-primary) 100%);
    --bg-subtle-gradient: linear-gradient(135deg, var(--color-whisper) 0%, rgba(168, 178, 209, 0.05) 100%);

    /* ===== Typography ===== */
    --font-primary: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', 'Segoe UI', system-ui, sans-serif;
    --font-mono: 'SF Mono', 'Monaco', 'Cascadia Code', 'Courier New', monospace;

    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    --font-size-xs: 0.75rem;     /* 12px */
    --font-size-sm: 0.875rem;    /* 14px */
    --font-size-base: 1rem;      /* 16px */
    --font-size-lg: 1.125rem;    /* 18px */
    --font-size-xl: 1.25rem;     /* 20px */
    --font-size-2xl: 1.5rem;     /* 24px */
    --font-size-3xl: 1.875rem;   /* 30px */
    --font-size-4xl: 2.25rem;    /* 36px */

    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;

    --letter-spacing-tight: -0.02em;
    --letter-spacing-normal: 0;
    --letter-spacing-wide: 0.025em;

    /* ===== Spacing (Apple-inspired) ===== */
    --spacing-1: 0.25rem;   /* 4px */
    --spacing-2: 0.5rem;    /* 8px */
    --spacing-3: 0.75rem;   /* 12px */
    --spacing-4: 1rem;      /* 16px */
    --spacing-5: 1.25rem;   /* 20px */
    --spacing-6: 1.5rem;    /* 24px */
    --spacing-8: 2rem;      /* 32px */
    --spacing-10: 2.5rem;   /* 40px */
    --spacing-12: 3rem;     /* 48px */
    --spacing-16: 4rem;     /* 64px */
    --spacing-20: 5rem;     /* 80px */
    --spacing-24: 6rem;     /* 96px */

    /* ===== Border Radius (Soft & Modern) ===== */
    --radius-sm: 0.375rem;   /* 6px */
    --radius-base: 0.5rem;   /* 8px */
    --radius-md: 0.75rem;    /* 12px */
    --radius-lg: 1rem;       /* 16px */
    --radius-xl: 1.25rem;    /* 20px */
    --radius-2xl: 1.5rem;    /* 24px */
    --radius-full: 9999px;

    /* ===== Shadows (Elegant & Subtle) ===== */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.03);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px 0 rgba(0, 0, 0, 0.03);
    --shadow-base: 0 4px 6px -1px rgba(0, 0, 0, 0.06), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.12);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.03);
    --shadow-glow-blue: 0 0 20px rgba(168, 178, 209, 0.3);
    --shadow-glow-gold: 0 0 20px rgba(229, 216, 176, 0.4);

    /* ===== Transitions (Smooth & Professional) ===== */
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* ===== Z-Index Layers ===== */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;

    /* ===== Layout ===== */
    --container-max-width: 1280px;
    --content-max-width: 1024px;
    --sidebar-width: 280px;
    --header-height: 72px;
}

/* ============================================
   Global Resets & Base Styles
   ============================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--bg-secondary);
    overflow-x: hidden;
}

/* ============================================
   Typography Enhancements
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    letter-spacing: var(--letter-spacing-tight);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-4);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
    margin-bottom: var(--spacing-4);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

a {
    color: var(--brand-blue-primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--brand-navy-primary);
}

a:focus-visible {
    outline: 2px solid var(--brand-accent-blue);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* ============================================
   Modern Button System
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    line-height: 1;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-base);
    white-space: nowrap;
    user-select: none;
}

.btn:focus-visible {
    outline: 2px solid var(--brand-accent-blue);
    outline-offset: 2px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Primary Button - Navy Brand */
.btn-primary {
    background: var(--bg-navy-gradient);
    color: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

/* Secondary Button - Outlined */
.btn-secondary {
    background: var(--bg-primary);
    color: var(--brand-blue-primary);
    border: 1.5px solid var(--brand-accent-blue);
    box-shadow: var(--shadow-xs);
}

.btn-secondary:hover {
    background: var(--color-whisper);
    border-color: var(--brand-blue-primary);
    transform: translateY(-1px);
}

/* Outline Button */
.btn-outline {
    background: transparent;
    color: var(--brand-blue-primary);
    border: 1.5px solid var(--brand-accent-blue);
}

.btn-outline:hover {
    background: var(--color-whisper);
    border-color: var(--brand-blue-primary);
}

/* Danger Button */
.btn-danger {
    background: var(--color-danger);
    color: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.btn-danger:hover {
    background: var(--color-danger-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Warning Button */
.btn-warning {
    background: var(--color-warning);
    color: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.btn-warning:hover {
    background: var(--color-warning-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Success Button */
.btn-success {
    background: var(--color-success);
    color: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.btn-success:hover {
    background: var(--color-success-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Button Sizes */
.btn-sm {
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-base);
}

.btn-xl {
    padding: var(--spacing-5) var(--spacing-10);
    font-size: var(--font-size-lg);
}

/* ============================================
   Modern Card System
   ============================================ */
.card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-soft-grey);
    transition: var(--transition-base);
    overflow: hidden;
}

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

.card-header {
    padding: var(--spacing-6);
    border-bottom: 1px solid var(--color-soft-grey);
    background: var(--bg-secondary);
}

.card-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--brand-navy-primary);
    margin: 0;
}

.card-body {
    padding: var(--spacing-6);
}

.card-footer {
    padding: var(--spacing-6);
    border-top: 1px solid var(--color-soft-grey);
    background: var(--bg-secondary);
}

/* ============================================
   Modern Form Elements
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-6);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-2);
}

.form-label.required::after {
    content: '*';
    color: var(--color-danger);
    margin-left: var(--spacing-1);
}

.form-input,
.form-select,
.form-textarea {
    display: block;
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--bg-primary);
    border: 1.5px solid var(--color-soft-grey);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--brand-blue-primary);
    box-shadow: 0 0 0 3px rgba(56, 80, 112, 0.1);
}

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

.form-hint {
    display: block;
    margin-top: var(--spacing-2);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.form-error {
    display: block;
    margin-top: var(--spacing-2);
    font-size: var(--font-size-xs);
    color: var(--color-danger);
}

/* ============================================
   Badge System
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    line-height: 1;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.badge-success {
    background: var(--color-success-light);
    color: var(--color-success-dark);
}

.badge-warning {
    background: var(--color-warning-light);
    color: var(--color-warning-dark);
}

.badge-danger {
    background: var(--color-danger-light);
    color: var(--color-danger-dark);
}

.badge-info {
    background: var(--color-info-light);
    color: var(--color-info-dark);
}

.badge-primary {
    background: rgba(56, 80, 112, 0.1);
    color: var(--brand-navy-primary);
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.font-light { font-weight: var(--font-weight-light); }
.font-normal { font-weight: var(--font-weight-regular); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-bold { font-weight: var(--font-weight-bold); }

.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-muted { color: var(--color-text-muted); }

.bg-white { background-color: var(--bg-primary); }
.bg-whisper { background-color: var(--bg-secondary); }
.bg-grey { background-color: var(--bg-tertiary); }

/* Spacing Utilities */
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: var(--spacing-2); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }
.mt-8 { margin-top: var(--spacing-8); }

.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }
.mb-8 { margin-bottom: var(--spacing-8); }

.p-4 { padding: var(--spacing-4); }
.p-6 { padding: var(--spacing-6); }
.p-8 { padding: var(--spacing-8); }

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

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

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

.animate-fade-in {
    animation: fadeIn 0.3s ease-in;
}

.animate-slide-up {
    animation: slideUp 0.3s ease-out;
}

.animate-slide-down {
    animation: slideDown 0.3s ease-out;
}

/* ============================================
   Responsive Breakpoints
   ============================================ */
@media (max-width: 1024px) {
    :root {
        --spacing-12: 2.5rem;
        --spacing-16: 3rem;
        --spacing-20: 4rem;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }

    :root {
        --spacing-8: 1.5rem;
        --spacing-12: 2rem;
        --spacing-16: 2.5rem;
    }

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

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

/* ============================================
   Compliance Disclaimer Banner
   ============================================ */
.compliance-disclaimer {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    margin: 0 var(--spacing-4) var(--spacing-4) var(--spacing-4);
    background: #F0F7FF;
    border: 1px solid #BFDBFE;
    border-left: 3px solid var(--color-info);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
    color: #1E40AF;
    box-shadow: 0 1px 2px rgba(59, 130, 246, 0.05);
    position: relative;
}

.compliance-disclaimer .disclaimer-icon {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--color-info);
}

.compliance-disclaimer strong {
    font-weight: var(--font-weight-semibold);
}

.disclaimer-link {
    color: var(--color-info);
    text-decoration: underline;
    margin-left: var(--spacing-1);
    transition: color 0.2s ease;
}

.disclaimer-link:hover {
    color: var(--color-blue-dark);
}

.disclaimer-dismiss {
    margin-left: auto;
    flex-shrink: 0;
    background: none;
    border: none;
    padding: 4px;
    cursor: pointer;
    color: #64748B;
    border-radius: 4px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.disclaimer-dismiss:hover {
    background: rgba(0, 0, 0, 0.05);
    color: #1E293B;
}

.disclaimer-dismiss:active {
    transform: scale(0.95);
}

@media (max-width: 768px) {
    .compliance-disclaimer {
        margin: 0 var(--spacing-2) var(--spacing-3) var(--spacing-2);
        padding: var(--spacing-2) var(--spacing-3);
        font-size: var(--font-size-xs);
    }
}