/**
 * SempreID Dark Theme - 2026 Symbol of Change
 * Professional dark mode design for identity verification platform
 */

:root {
    /* Primary Dark Theme Colors */
    --bg-primary: #0f1419;
    --bg-secondary: #1a1f29;
    --bg-tertiary: #242b38;
    --bg-elevated: #2d3748;

    /* Text Colors */
    --text-primary: #e2e8f0;
    --text-secondary: #a0aec0;
    --text-tertiary: #718096;
    --text-inverse: #1a202c;

    /* Brand Colors */
    --brand-primary: #3b82f6;
    --brand-primary-hover: #2563eb;
    --brand-primary-active: #1d4ed8;
    --brand-accent: #60a5fa;

    /* Compliance Level Colors (Dark Theme Optimized) */
    --compliance-basic: #ef4444;
    --compliance-basic-bg: rgba(239, 68, 68, 0.1);
    --compliance-standard: #f59e0b;
    --compliance-standard-bg: rgba(245, 158, 11, 0.1);
    --compliance-enhanced: #10b981;
    --compliance-enhanced-bg: rgba(16, 185, 129, 0.1);
    --compliance-professional: #3b82f6;
    --compliance-professional-bg: rgba(59, 130, 246, 0.1);

    /* Semantic Colors */
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.1);
    --error: #ef4444;
    --error-bg: rgba(239, 68, 68, 0.1);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --info: #3b82f6;
    --info-bg: rgba(59, 130, 246, 0.1);

    /* Border Colors */
    --border-primary: #2d3748;
    --border-secondary: #4a5568;
    --border-focus: #3b82f6;

    /* Shadow Colors */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.7);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

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

/* Global Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.25rem; font-weight: 700; }
h2 { font-size: 1.875rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

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

a:hover {
    color: var(--brand-primary-hover);
    text-decoration: underline;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
}

.btn-primary {
    background-color: var(--brand-primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--brand-primary-hover);
    box-shadow: var(--shadow-glow);
    text-decoration: none;
}

.btn-secondary {
    background-color: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border-secondary);
}

.btn-secondary:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--brand-primary);
}

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

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

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Cards */
.card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--border-secondary);
}

.card-header {
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-primary);
    margin-bottom: var(--spacing-md);
}

.card-body {
    padding: var(--spacing-md) 0;
}

.card-footer {
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-primary);
    margin-top: var(--spacing-md);
}

/* Form Elements */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="date"],
input[type="number"],
textarea,
select {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: var(--bg-elevated);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

input::placeholder,
textarea::placeholder {
    color: var(--text-tertiary);
}

label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.875rem;
}

/* Compliance Badges */
.compliance-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.compliance-badge-basic {
    background-color: var(--compliance-basic-bg);
    color: var(--compliance-basic);
    border: 1px solid var(--compliance-basic);
}

.compliance-badge-standard {
    background-color: var(--compliance-standard-bg);
    color: var(--compliance-standard);
    border: 1px solid var(--compliance-standard);
}

.compliance-badge-enhanced {
    background-color: var(--compliance-enhanced-bg);
    color: var(--compliance-enhanced);
    border: 1px solid var(--compliance-enhanced);
}

.compliance-badge-professional {
    background-color: var(--compliance-professional-bg);
    color: var(--compliance-professional);
    border: 1px solid var(--compliance-professional);
}

/* Alerts */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    border-left: 4px solid;
}

.alert-success {
    background-color: var(--success-bg);
    border-color: var(--success);
    color: var(--success);
}

.alert-error {
    background-color: var(--error-bg);
    border-color: var(--error);
    color: var(--error);
}

.alert-warning {
    background-color: var(--warning-bg);
    border-color: var(--warning);
    color: var(--warning);
}

.alert-info {
    background-color: var(--info-bg);
    border-color: var(--info);
    color: var(--info);
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

thead {
    background-color: var(--bg-elevated);
}

th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-primary);
}

td {
    padding: 1rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-primary);
}

tr:last-child td {
    border-bottom: none;
}

tr:hover {
    background-color: var(--bg-tertiary);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.modal {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    max-width: 500px;
    width: 90%;
    box-shadow: var(--shadow-xl);
}

.modal-header {
    margin-bottom: var(--spacing-lg);
}

.modal-title {
    font-size: 1.5rem;
    color: var(--text-primary);
}

.modal-body {
    margin-bottom: var(--spacing-lg);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

/* Wallet Address Display */
.wallet-address {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--brand-accent);
    background-color: var(--bg-elevated);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-primary);
    word-break: break-all;
}

/* Loading Spinner */
.spinner {
    border: 3px solid var(--bg-elevated);
    border-top: 3px solid var(--brand-primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Toast Notifications */
.toast {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    padding: 1rem 1.5rem;
    background-color: var(--bg-elevated);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: 10000;
    min-width: 300px;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-tertiary); }
.text-success { color: var(--success); }
.text-error { color: var(--error); }
.text-warning { color: var(--warning); }

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }
.p-4 { padding: var(--spacing-xl); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }

.w-full { width: 100%; }
.h-full { height: 100%; }

.hidden { display: none; }
.block { display: block; }

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background-color: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background-color: var(--bg-elevated);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--border-secondary);
}

/* Selection */
::selection {
    background-color: var(--brand-primary);
    color: white;
}