/**
 * Main Voidex Application Styles
 * Modern, clean financial design with focus on security and trust
 */

:root {
    /* Primary Colors */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    
    /* Secondary Colors */
    --secondary: #8b5cf6;
    --accent: #ec4899;
    
    /* Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    --secondary-badge: #6b7280;
    
    /* Backgrounds */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --bg-dark: #111827;
    
    /* Text Colors */
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-tertiary: #9ca3af;
    --text-light: #d1d5db;
    
    /* Borders */
    --border-color: #e5e7eb;
    --border-color-dark: #d1d5db;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    
    /* Sizing */
    --sidebar-width: 280px;
    --transition: all 0.3s ease;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
}

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

h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

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

small {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

code {
    font-family: var(--font-mono);
    background: var(--bg-tertiary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    font-size: 0.875rem;
}

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

#app {
    display: flex;
    min-height: 100vh;
}

.main-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
}

.top-panel {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.main-content {
    flex: 1;
    padding: var(--spacing-xl);
    overflow-y: auto;
}

/* ========== SIDEBAR NAVIGATION ========== */

.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-dark);
    color: white;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: 100;
}

.sidebar-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
}

.sidebar-close {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

.user-info {
    padding: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.user-details {
    flex: 1;
    min-width: 0;
}

.user-name {
    font-weight: 600;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-email {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: 0.75rem;
    color: var(--primary-light);
    font-weight: 500;
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-lg) 0;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-xl);
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.nav-item.active {
    background: rgba(99, 102, 241, 0.1);
    border-left-color: var(--primary);
    color: var(--primary);
}

.nav-label {
    flex: 1;
}

.nav-divider {
    padding: var(--spacing-lg) var(--spacing-xl) var(--spacing-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.5);
    margin-top: var(--spacing-md);
}

.sidebar-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.logout-btn {
    width: 100%;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.logout-btn:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--danger);
    color: var(--danger);
}

/* ========== TOP PANEL ========== */

.top-panel-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-2xl);
}

.rates-section {
    display: flex;
    gap: var(--spacing-xl);
    flex: 1;
}

.rate-item {
    flex: 1;
    min-width: 200px;
}

.rate-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.rate-name {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 500;
}

.rate-icon {
    font-size: 1.25rem;
}

.rate-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.rate-change {
    font-weight: 600;
    font-size: 0.9rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
}

.rate-change.positive {
    color: var(--success);
    background: rgba(16, 185, 129, 0.1);
}

.rate-change.negative {
    color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
}

.rate-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.user-wallet-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.wallet-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.wallet-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.wallet-value {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--primary);
}

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

.page-header {
    margin-bottom: var(--spacing-2xl);
}

.page-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
}

.page-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: var(--spacing-xl);
}

.page-layout.single {
    grid-template-columns: 1fr;
}

.main-content {
    grid-column: 1;
}

.sidebar-area {
    grid-column: 2;
}

/* ========== SECTIONS ========== */

.section {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.section:hover {
    box-shadow: var(--shadow-md);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.section-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

/* ========== CARDS ========== */

.balance-card {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: var(--spacing-2xl);
    border-radius: 12px;
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

.balance-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.balance-currency {
    font-size: 0.9rem;
    opacity: 0.9;
}

.balance-amount {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.balance-info {
    opacity: 0.9;
}

.account-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: var(--spacing-lg);
    transition: var(--transition);
}

.account-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.account-card.crypto {
    border-left: 4px solid var(--primary);
}

.account-card.fiat {
    border-left: 4px solid var(--success);
}

.account-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.account-name {
    font-weight: 600;
    color: var(--text-primary);
}

.account-balance {
    font-weight: 700;
    color: var(--primary);
}

.account-type {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ========== BUTTONS ========== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover:not(:disabled) {
    background: var(--border-color);
}

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

.btn-success:hover:not(:disabled) {
    opacity: 0.9;
}

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

.btn-danger:hover:not(:disabled) {
    opacity: 0.9;
}

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

.btn-warning:hover:not(:disabled) {
    opacity: 0.9;
}

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

.btn-info:hover:not(:disabled) {
    opacity: 0.9;
}

.btn-small {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
}

.btn-block {
    width: 100%;
}

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

.form-group {
    margin-bottom: var(--spacing-lg);
}

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

label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.form-control,
select {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--bg-primary);
    color: var(--text-primary);
}

.form-control:focus,
select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

/* ========== TABLES ========== */

table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background: var(--bg-tertiary);
}

th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color-dark);
}

td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

tbody tr:hover {
    background: var(--bg-secondary);
}

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

.status-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: capitalize;
}

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

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

.status-badge.rejected,
.status-badge.failed,
.status-badge.danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

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

.status-badge.in_progress,
.status-badge.info,
.status-badge.accepted,
.status-badge.new {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info);
}

.status-badge.secondary,
.status-badge.closed {
    background: rgba(107, 114, 128, 0.1);
    color: var(--secondary-badge);
}

.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

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

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

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

.alert {
    padding: var(--spacing-lg);
    border-radius: 8px;
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid;
}

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

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

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border-color: var(--danger);
}

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

.alert strong {
    display: block;
    margin-bottom: var(--spacing-sm);
}

.alert ul,
.alert ol {
    margin-left: var(--spacing-lg);
}

.alert li {
    margin-bottom: var(--spacing-sm);
}

/* ========== UTILITY CLASSES ========== */

.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
}

.empty-icon {
    display: block;
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.separator {
    height: 1px;
    background: var(--border-color);
    margin: var(--spacing-lg) 0;
}

.text-center {
    text-align: center;
}

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

.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }