/* ==============================================================================
   XAUMOEX Bot - Modern Dark UI Stylesheet
   Vertical Sidebar, Responsive Glassmorphism Design & Mobile Optimization
   ============================================================================== */

:root {
    --bg-main: #0a0d14;
    --bg-sidebar: #0f1420;
    --bg-card: #131926;
    --bg-card-hover: #182030;
    --bg-input: #1a2234;
    --border-color: #202a40;
    --border-highlight: #2f3e60;

    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --text-dim: #64748b;

    --color-primary: #3b82f6;
    --color-primary-hover: #2563eb;
    --color-success: #10b981;
    --color-success-hover: #059669;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --color-purple: #8b5cf6;
    --color-info: #06b6d4;

    --sidebar-width: 260px;
    --header-height: 70px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.5;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Layout */
.app-layout {
    display: flex;
    min-height: 100vh;
    width: 100vw;
}

/* Mobile Header */
.mobile-header {
    display: none;
    height: 60px;
    background: var(--bg-sidebar);
    border-bottom: 1px solid var(--border-color);
    padding: 0 1rem;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
}

.mobile-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    font-weight: 700;
}

/* Vertical Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 110;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-brand {
    padding: 1.5rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.brand-logo {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-warning), #d97706);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000;
    font-size: 1.2rem;
}

.brand-text h2 {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.brand-text h2 b {
    color: var(--color-warning);
}

.badge-sub {
    font-size: 0.7rem;
    text-transform: uppercase;
    color: var(--text-dim);
    letter-spacing: 0.5px;
}

.sidebar-nav {
    flex: 1;
    padding: 1.25rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.8rem 1rem;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-size: 0.92rem;
    font-weight: 500;
    transition: all 0.2s ease;
    position: relative;
}

.nav-item:hover {
    color: var(--text-main);
    background-color: var(--bg-card);
}

.nav-item.active {
    color: #fff;
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.15), rgba(59, 130, 246, 0.05));
    border-left: 3px solid var(--color-primary);
}

.nav-item i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.badge-count {
    margin-left: auto;
    background: var(--border-highlight);
    color: var(--text-main);
    font-size: 0.75rem;
    padding: 2px 7px;
    border-radius: 10px;
    font-weight: 600;
}

.sidebar-footer {
    padding: 1rem;
    border-top: 1px solid var(--border-color);
    background: rgba(10, 13, 20, 0.5);
}

.server-mini-info {
    font-size: 0.78rem;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-bottom: 0.85rem;
}

.info-row {
    display: flex;
    justify-content: space-between;
}

.badge-ws {
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
}

.badge-ws.connected {
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-success);
}

.btn-logout {
    width: 100%;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 0.6rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s ease;
}

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

/* Main Content Container */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    min-height: 100vh;
    padding: 1.5rem 2rem 3rem 2rem;
}

/* Top Header */
.top-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.75rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.header-left h1 {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.header-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mode-pill {
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: var(--color-primary);
    padding: 0.4rem 0.85rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.mode-pill.real {
    background: rgba(245, 158, 11, 0.15);
    border-color: rgba(245, 158, 11, 0.4);
    color: var(--color-warning);
}

.balance-pill {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 0.4rem 0.85rem;
    border-radius: 20px;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.pill-label {
    color: var(--text-dim);
}

.pill-val {
    font-weight: 700;
    color: #fff;
    font-family: 'JetBrains Mono', monospace;
}

/* Tabs */
.tab-pane {
    display: none;
    animation: fadeIn 0.25s ease forwards;
}

.tab-pane.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Metric Cards Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
}

.metric-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-card);
}

.metric-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
}

.bg-blue { background: rgba(59, 130, 246, 0.15); color: var(--color-primary); }
.bg-green { background: rgba(16, 185, 129, 0.15); color: var(--color-success); }
.bg-purple { background: rgba(139, 92, 246, 0.15); color: var(--color-purple); }
.bg-orange { background: rgba(245, 158, 11, 0.15); color: var(--color-warning); }

.metric-data {
    display: flex;
    flex-direction: column;
}

.metric-title {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 500;
}

.metric-data h3 {
    font-size: 1.35rem;
    font-weight: 700;
    color: #fff;
    font-family: 'JetBrains Mono', monospace;
    line-height: 1.2;
    margin: 0.2rem 0;
}

.metric-change {
    font-size: 0.75rem;
    color: var(--color-success);
    font-weight: 600;
}

.metric-sub {
    font-size: 0.75rem;
    color: var(--text-dim);
}

/* Content Cards */
.content-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-card);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.card-title {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.card-title h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.card-desc {
    color: var(--text-muted);
    font-size: 0.88rem;
    line-height: 1.5;
}

.grid-2-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.chart-container {
    height: 280px;
    width: 100%;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
    width: 100%;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
    text-align: left;
}

.data-table th {
    background: rgba(10, 13, 20, 0.6);
    color: var(--text-muted);
    font-weight: 600;
    padding: 0.8rem 1rem;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.data-table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid rgba(32, 42, 64, 0.4);
    white-space: nowrap;
}

.data-table tbody tr:hover {
    background-color: var(--bg-card-hover);
}

/* Forms & Inputs */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-bottom: 1rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
}

.form-control {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.65rem 0.9rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-family: inherit;
    transition: border-color 0.2s ease;
}

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

.settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem 1.5rem;
}

.col-span-2 {
    grid-column: span 2;
}

.input-with-btn {
    display: flex;
    gap: 0.5rem;
}

.input-with-btn input {
    flex: 1;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--text-dim);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1.1rem;
    font-size: 0.88rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
}

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

.btn-success { background: var(--color-success); color: #fff; }
.btn-success:hover { background: var(--color-success-hover); }

.btn-danger { background: var(--color-danger); color: #fff; }
.btn-warning { background: var(--color-warning); color: #000; }
.btn-secondary { background: var(--border-highlight); color: var(--text-main); }
.btn-outline { background: transparent; border: 1px solid var(--border-highlight); color: var(--text-main); }
.btn-outline:hover { background: var(--bg-card-hover); border-color: var(--color-primary); }

.btn-sm { padding: 0.35rem 0.65rem; font-size: 0.78rem; }
.btn-lg { padding: 0.8rem 1.5rem; font-size: 0.95rem; }
.btn-block { width: 100%; }

/* System Gauges */
.system-gauges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.gauge-card {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.gauge-title {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.progress-bar-container {
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.4s ease;
}

.gauge-value {
    font-size: 0.82rem;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
}

.db-stats-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding: 1rem;
    background: var(--bg-input);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
}

.terminal-logs {
    background: #06090e;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    color: #38bdf8;
    max-height: 250px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

/* Recommendations Box */
.recommendations-box {
    border-left: 4px solid var(--color-warning);
}

.recommendations-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.rec-item {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    padding: 0.75rem 1rem;
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
}

/* Modals */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-card {
    background: var(--bg-card);
    border: 1px solid var(--border-highlight);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 440px;
    padding: 2rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
}

.modal-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.modal-header h2 {
    font-size: 1.3rem;
    margin-top: 0.6rem;
}

.modal-header p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.4rem;
}

.error-msg {
    color: var(--color-danger);
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    padding: 0.6rem 0.8rem;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    margin-top: 0.5rem;
}

.hidden { display: none; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.text-center { text-align: center; }
.text-muted { color: var(--text-dim); }
.text-warning { color: var(--color-warning); }
.text-success { color: var(--color-success); }
.text-info { color: var(--color-info); }
.text-danger { color: var(--color-danger); }

/* Badges */
.badge-status {
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 0.72rem;
    font-weight: 600;
    background: var(--bg-input);
    color: var(--text-muted);
}

.badge-tag {
    background: rgba(59, 130, 246, 0.15);
    color: var(--color-primary);
    padding: 2px 6px;
    border-radius: 4px;
}

/* Toast Notifications */
#toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    z-index: 9999;
}

.toast {
    background: var(--bg-card);
    border: 1px solid var(--border-highlight);
    border-radius: var(--radius-md);
    padding: 0.85rem 1.25rem;
    color: #fff;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
    font-size: 0.88rem;
    display: flex;
    align-items: center;
    gap: 0.65rem;
    animation: slideIn 0.3s ease;
}

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

/* Responsive Rules for Mobile */
@media (max-width: 900px) {
    .mobile-header {
        display: flex;
    }

    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        padding: 5rem 1rem 3rem 1rem;
    }

    .top-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .header-right {
        width: 100%;
        flex-wrap: wrap;
        justify-content: space-between;
    }

    .settings-grid, .grid-2-col {
        grid-template-columns: 1fr;
    }

    .col-span-2 {
        grid-column: span 1;
    }
}