/* WalletTree - Main Stylesheet */

/* CSS Variables - Light Theme (Default) */
:root {
    --primary-color: #1ABC9C;
    --primary-dark: #16a085;
    --secondary-color: #1a2332;
    --accent-color: #2ecc71;
    --danger-color: #e74c3c;
    --warning-color: #f1c40f;
    --info-color: #3498db;
    --light-bg: #f8f9fa;
    --dark-bg: #1a2332;
    --card-bg: #ffffff;
    --text-primary: #1a2332;
    --text-secondary: #6c757d;
    --text-muted: #adb5bd;
    --border-color: #e9ecef;
    --sidebar-width: 250px;
    --header-height: 70px;
    --border-radius: 10px;
    --box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
    --input-bg: #ffffff;
    --table-stripe: #f8f9fa;
}

/* Dark Theme - Applied when body has dark-theme class */
body.dark-theme {
    --light-bg: #0d1117;
    --dark-bg: #161b22;
    --card-bg: #21262d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --border-color: #30363d;
    --box-shadow: 0 2px 15px rgba(0, 0, 0, 0.4);
    --input-bg: #0d1117;
    --table-stripe: #161b22;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--light-bg);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    transition: background-color 0.3s, color 0.3s;
}

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

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

/* Layout */
.wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: #ffffff;
    border-right: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    transition: background-color 0.3s, border-color 0.3s;
}

body.dark-theme .sidebar {
    background-color: #161b22;
    border-color: #30363d;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

body.dark-theme .sidebar-header {
    border-color: #30363d;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color) !important;
}

.sidebar-logo .logo-icon {
    font-size: 1.8rem;
}

/* Wallet Balance Box */
.wallet-balance {
    margin: 15px;
    padding: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: var(--border-radius);
    color: #ffffff;
}

.balance-label {
    font-size: 0.85rem;
    opacity: 0.9;
}

.balance-amount {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 5px 0;
}

.wallet-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.account-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    font-size: 0.75rem;
    margin-top: 10px;
}

/* Navigation */
.sidebar-nav {
    padding: 15px 0;
}

.nav-item {
    margin: 2px 10px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    color: var(--text-secondary);
    border-radius: 8px;
    font-weight: 500;
    transition: var(--transition);
}

.nav-link:hover {
    background-color: rgba(26, 188, 156, 0.1);
    color: var(--primary-color);
}

.nav-link.active {
    background-color: rgba(26, 188, 156, 0.15);
    color: var(--primary-color);
}

.nav-link i {
    width: 20px;
    text-align: center;
}

body.dark-theme .nav-link {
    color: #8b949e;
}

body.dark-theme .nav-link:hover,
body.dark-theme .nav-link.active {
    background-color: rgba(26, 188, 156, 0.15);
    color: var(--primary-color);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Top Header */
.top-header {
    background-color: #ffffff;
    padding: 15px 30px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background-color 0.3s, border-color 0.3s;
}

body.dark-theme .top-header {
    background-color: #21262d;
    border-color: #30363d;
}

.page-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.breadcrumb {
    font-size: 0.85rem;
    color: var(--text-muted);
}

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

.breadcrumb a:hover {
    color: var(--primary-color);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-dropdown {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-weight: 600;
}

/* Theme Toggle Button */
.theme-toggle-btn {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.3s;
    font-size: 1.1rem;
}

.theme-toggle-btn:hover {
    background: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
}

/* Hide/Show sun/moon based on theme */
.theme-toggle-btn .fa-sun {
    display: none;
}

.theme-toggle-btn .fa-moon {
    display: inline;
}

body.dark-theme .theme-toggle-btn .fa-sun {
    display: inline;
}

body.dark-theme .theme-toggle-btn .fa-moon {
    display: none;
}

/* Content Area */
.content-area {
    padding: 30px;
    flex: 1;
}

/* Cards */
.card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
    transition: background-color 0.3s, border-color 0.3s;
}

body.dark-theme .card {
    background-color: #21262d;
    border-color: #30363d;
}

.card-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

body.dark-theme .card-header {
    border-color: #30363d;
}

.card-header h4, .card-header h5 {
    margin: 0;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    padding: 20px;
}

/* Wallet Cards */
.wallet-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.wallet-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--box-shadow);
    position: relative;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid var(--border-color);
}

body.dark-theme .wallet-card {
    background-color: #21262d;
    border-color: #30363d;
}

.wallet-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.wallet-card .coin-icon {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.wallet-card .coin-name {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 5px;
}

.wallet-card .coin-balance {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.wallet-card .coin-usd {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.wallet-card .progress-bar {
    height: 4px;
    background: var(--border-color);
    border-radius: 2px;
    margin-top: 15px;
    overflow: hidden;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    color: #ffffff;
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: #ffffff;
}

.btn-secondary:hover {
    background-color: #2c3e50;
    color: #ffffff;
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #ffffff;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.85rem;
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-success {
    background-color: var(--accent-color);
    color: #ffffff;
}

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

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    background-color: var(--input-bg);
    color: var(--text-primary);
    transition: border-color 0.3s, background-color 0.3s;
}

body.dark-theme .form-control {
    background-color: #0d1117;
    border-color: #30363d;
    color: #e6edf3;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
}

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

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12'%3E%3Cpath fill='%236c757d' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    padding-right: 40px;
}

body.dark-theme select.form-control {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12'%3E%3Cpath fill='%238b949e' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

.required {
    color: var(--danger-color);
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

body.dark-theme .table th,
body.dark-theme .table td {
    border-color: #30363d;
}

.table th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table tbody tr:hover {
    background-color: var(--table-stripe);
}

.table-responsive {
    overflow-x: auto;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-primary {
    background-color: rgba(26, 188, 156, 0.15);
    color: var(--primary-color);
}

.badge-success {
    background-color: rgba(46, 204, 113, 0.15);
    color: #27ae60;
}

.badge-warning {
    background-color: rgba(241, 196, 15, 0.15);
    color: #f39c12;
}

.badge-danger {
    background-color: rgba(231, 76, 60, 0.15);
    color: #e74c3c;
}

.badge-secondary {
    background-color: rgba(108, 117, 125, 0.15);
    color: var(--text-secondary);
}

/* Alerts */
.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid;
}

.alert-success {
    background-color: rgba(46, 204, 113, 0.1);
    border-color: var(--accent-color);
    color: #27ae60;
}

.alert-danger {
    background-color: rgba(231, 76, 60, 0.1);
    border-color: var(--danger-color);
    color: #c0392b;
}

.alert-warning {
    background-color: rgba(241, 196, 15, 0.1);
    border-color: var(--warning-color);
    color: #f39c12;
}

.alert-info {
    background-color: rgba(52, 152, 219, 0.1);
    border-color: var(--info-color);
    color: #2980b9;
}

body.dark-theme .alert {
    background-color: rgba(255, 255, 255, 0.05);
}

/* Modal */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

body.dark-theme .modal {
    background-color: #21262d;
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

body.dark-theme .modal-header {
    border-color: #30363d;
}

.modal-header h4 {
    margin: 0;
    color: var(--primary-color);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
    transition: color 0.2s;
}

.modal-close:hover {
    color: var(--danger-color);
}

.modal-body {
    padding: 20px;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 50px 20px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.3;
}

.empty-state p {
    font-size: 1.1rem;
}

/* Footer */
.site-footer {
    background-color: var(--card-bg);
    border-top: 1px solid var(--border-color);
    padding: 20px 30px;
    margin-left: var(--sidebar-width);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    transition: background-color 0.3s, border-color 0.3s;
}

body.dark-theme .site-footer {
    background-color: #21262d;
    border-color: #30363d;
}

.site-footer a {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.site-footer a:hover {
    color: var(--primary-color);
}

/* Utilities */
.text-muted {
    color: var(--text-muted) !important;
}

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

.mt-2 {
    margin-top: 15px;
}

.mt-3 {
    margin-top: 20px;
}

.mb-2 {
    margin-bottom: 15px;
}

.mb-3 {
    margin-bottom: 20px;
}

/* Responsive */
@media (max-width: 1200px) {
    .wallet-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .site-footer {
        margin-left: 0;
    }
    
    .wallet-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .content-area {
        padding: 20px;
    }
    
    .wallet-grid {
        grid-template-columns: 1fr;
    }
    
    .top-header {
        padding: 15px 20px;
    }
    
    .site-footer {
        flex-direction: column;
        text-align: center;
    }
}

/* QR Container */
.qr-container {
    background: rgba(26, 188, 156, 0.1);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
}

body.dark-theme .qr-container {
    background: rgba(26, 188, 156, 0.15);
}

.qr-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 20px;
}

/* Filter Bar */
.filter-bar {
    background-color: var(--card-bg);
    padding: 15px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

body.dark-theme .filter-bar {
    background-color: #21262d;
    border-color: #30363d;
}

/* Marketplace Grid */
.marketplace-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.marketplace-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s;
    border: 2px solid transparent;
}

.marketplace-item:hover {
    background: rgba(26, 188, 156, 0.1);
}

.marketplace-item.selected {
    background: rgba(26, 188, 156, 0.15);
    border-color: var(--primary-color);
}

@media (max-width: 768px) {
    .marketplace-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Info Cards */
.info-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.info-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--box-shadow);
    border: 1px solid var(--border-color);
}

body.dark-theme .info-card {
    background-color: #21262d;
    border-color: #30363d;
}

.info-card.gradient {
    background: linear-gradient(135deg, var(--primary-color), #16a085);
    color: white;
    border: none;
}

@media (max-width: 900px) {
    .info-cards {
        grid-template-columns: 1fr;
    }
}