/* TradeCopier Admin - Dark Theme with Purple Accents */

:root {
    /* Backgrounds */
    --bg-primary: #020617;           /* almost-black slate */
    --bg-secondary: #02081F;         /* header / shell */
    --bg-tertiary: #0B1220;          /* table head / strong surfaces */
    --bg-card: #02081F;              /* cards */

    /* Text */
    --text-primary: #E5E7EB;
    --text-secondary: #9CA3AF;
    --text-muted: #6B7280;

    /* Accent (used sparingly) - premium purple */
    --accent-purple: #8B5CF6;
    --accent-purple-light: #A855F7;
    --accent-purple-dark: #7C3AED;

    /* Status */
    --success: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;

    /* Structure */
    --border-color: #1F2933;
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 70px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

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

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    transition: width 0.3s ease;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar.collapsed .sidebar-logo,
.sidebar.collapsed .sidebar-subtitle {
    display: none;
}

.sidebar.collapsed .nav-item {
    justify-content: center;
    padding: 0.75rem;
    position: relative;
}

.sidebar.collapsed .nav-item span:not(.nav-icon) {
    display: none;
}

.sidebar.collapsed .nav-icon {
    margin-right: 0;
    font-size: 1.25rem;
}

/* Tooltip for collapsed nav items */
.sidebar.collapsed .nav-item::after {
    content: attr(data-tooltip);
    position: absolute;
    left: calc(100% + 10px);
    background: var(--bg-card);
    color: var(--text-primary);
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
    border: 1px solid var(--border-color);
    z-index: 1000;
    font-size: 0.875rem;
}

.sidebar.collapsed .nav-item:hover::after {
    opacity: 1;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.sidebar-toggle {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 0.375rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    z-index: 10;
    padding: 0;
    outline: none;
}

.sidebar-toggle:focus {
    outline: 2px solid var(--accent-purple);
    outline-offset: 2px;
}

.sidebar-toggle:hover {
    background: var(--accent-purple);
    border-color: var(--accent-purple);
    transform: scale(1.05);
}

.sidebar.collapsed .sidebar-toggle {
    right: 0.5rem;
    left: 0.5rem;
    width: 40px;
}

/* Hamburger Icon */
.hamburger-icon {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 22px;
    height: 18px;
    transition: all 0.3s ease;
    position: relative;
    gap: 3px;
}

.hamburger-line {
    width: 100%;
    height: 3px;
    background-color: var(--text-primary);
    border-radius: 3px;
    transition: all 0.3s ease;
    transform-origin: center;
    display: block;
    flex-shrink: 0;
    min-height: 3px;
}

/* When sidebar is expanded (default state), show hamburger (three lines) */
.sidebar:not(.collapsed) .hamburger-icon {
    justify-content: space-between;
    gap: 3px;
}

.sidebar:not(.collapsed) .hamburger-line {
    transform: none;
    opacity: 1;
    position: relative;
}

/* When sidebar is collapsed, transform hamburger to X */
.sidebar.collapsed .hamburger-icon {
    justify-content: center;
    height: 18px;
    gap: 0;
}

.sidebar.collapsed .hamburger-line:nth-child(1) {
    transform: rotate(45deg);
    position: absolute;
    top: 50%;
    left: 0;
    margin-top: -1.5px;
}

.sidebar.collapsed .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
    width: 0;
}

.sidebar.collapsed .hamburger-line:nth-child(3) {
    transform: rotate(-45deg);
    position: absolute;
    top: 50%;
    left: 0;
    margin-top: -1.5px;
}

.sidebar-logo {
    margin-bottom: 0.5rem;
}

.sidebar-logo-img {
    max-width: 180px;
    height: auto;
    display: block;
    margin: 0 auto;
    /* Let the logo artwork itself provide background; avoid double pill */
    padding: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    border: none;
    object-fit: cover;
    object-position: center;
}

.sidebar-subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sidebar-nav {
    padding: 1rem 0;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

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

.nav-item.active {
    background-color: var(--bg-tertiary);
    color: var(--accent-purple-light);
    border-left-color: var(--accent-purple);
}

.nav-icon {
    margin-right: 0.75rem;
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.nav-icon svg {
    width: 18px;
    height: 18px;
    stroke: #F9FAFB;
    stroke-width: 1.7;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    min-height: 100vh;
    transition: margin-left 0.3s ease;
}

.main-content.sidebar-collapsed {
    margin-left: var(--sidebar-collapsed-width);
}

/* Header */
.header {
    background: radial-gradient(circle at top left, rgba(148, 163, 184, 0.12), transparent 55%) var(--bg-secondary);
    border: 1px solid rgba(15, 23, 42, 0.85);
    border-radius: 1rem;
    padding: 1.1rem 1.75rem;
    margin: 1.25rem 1.75rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 18px 50px rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(16px);
}

.header-left {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.header-title {
    font-size: 1.4rem;
    font-weight: 600;
    letter-spacing: 0.01em;
}

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

/* Mobile header menu button (hidden on desktop) */
.header-mobile-menu {
    display: none;
    margin-right: 0.75rem;
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    padding: 0.35rem 0.55rem;
    cursor: pointer;
    color: var(--text-secondary);
    align-items: center;
    justify-content: center;
    background-color: var(--bg-tertiary);
}

.header-mobile-menu .nav-icon {
    margin-right: 0;
}

/* Header icon buttons (search, share) */
.btn-icon.header-icon {
    background: none;
    border: none;
    padding: 0.4rem;
    border-radius: 999px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: background-color 0.18s ease-out, box-shadow 0.18s ease-out, transform 0.18s ease-out;
}

.btn-icon.header-icon .nav-icon {
    margin-right: 0;
}

.btn-icon.header-icon:hover {
    background-color: var(--bg-tertiary);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.8);
    transform: translateY(-1px);
}

/* Analytics row under KPIs */
.analytics-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr);
    gap: 1rem;
    margin: 0 1.75rem 1.75rem;
}

.mini-chart-card {
    padding: 1rem 1.1rem;
    border-radius: 0.9rem;
    border: 1px solid rgba(15, 23, 42, 0.9);
    background: radial-gradient(circle at top left, rgba(59, 130, 246, 0.12), transparent 55%) var(--bg-card);
    box-shadow: 0 16px 45px rgba(15, 23, 42, 0.8);
}

.mini-chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.3rem;
}

.mini-chart-title {
    font-size: 0.9rem;
    font-weight: 500;
}

.mini-chart-subtitle {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.mini-chart-body {
    margin-top: 0.4rem;
}

.mini-chart-svg {
    width: 100%;
    height: 2.5rem;
    display: block;
}

.header-subtitle {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--text-muted);
}

.header-date {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.btn {
    padding: 0.45rem 1.1rem;
    border-radius: 999px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    transition: background 0.18s ease-out, color 0.18s ease-out, box-shadow 0.18s ease-out, border-color 0.18s ease-out, transform 0.18s ease-out;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(30, 64, 175, 0.3);
    background: radial-gradient(circle at top left, rgba(148, 163, 184, 0.16), transparent 55%) var(--bg-tertiary);
    color: var(--text-secondary);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.65);
}

.btn-primary {
    background: linear-gradient(135deg, #7C3AED, #A855F7);
    color: #F9FAFB;
    border-color: rgba(168, 85, 247, 0.85);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.9);
    border-color: rgba(191, 219, 254, 0.9);
}

.btn-secondary {
    background: radial-gradient(circle at top left, rgba(30, 64, 175, 0.26), transparent 55%) var(--bg-tertiary);
    color: var(--text-primary);
    border-color: rgba(30, 64, 175, 0.55);
}

.btn-secondary:hover {
    background: radial-gradient(circle at top left, rgba(59, 130, 246, 0.32), transparent 60%) var(--bg-tertiary);
    transform: translateY(-1px);
    box-shadow: 0 14px 36px rgba(15, 23, 42, 0.85);
}

.btn-danger {
    background: radial-gradient(circle at top left, rgba(127, 29, 29, 0.6), transparent 55%) #111827;
    color: #fecaca;
    border-color: rgba(248, 113, 113, 0.8);
}

.btn-danger:hover {
    background: radial-gradient(circle at top left, rgba(248, 113, 113, 0.8), transparent 60%) #111827;
    transform: translateY(-1px);
    box-shadow: 0 16px 38px rgba(127, 29, 29, 0.8);
}

.btn-success {
    background: radial-gradient(circle at top left, rgba(22, 163, 74, 0.35), transparent 55%) #022c22;
    color: #bbf7d0;
    border-color: rgba(34, 197, 94, 0.85);
}

/* Content Area */
.content {
    padding: 2rem;
}

/* KPI Cards */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 1.25rem;
    margin: 1.25rem 1.75rem 2rem;
}

.kpi-card {
    position: relative;
    padding: 1.25rem 1.3rem 1.2rem 1.3rem;
    background: radial-gradient(circle at top left, rgba(148, 163, 184, 0.18), transparent 60%) var(--bg-card);
    border-radius: 0.9rem;
    border: 1px solid rgba(15, 23, 42, 0.9);
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.75);
    overflow: hidden;
    transition: transform 0.18s ease-out, box-shadow 0.18s ease-out, border-color 0.18s ease-out, background 0.18s ease-out;
}

.kpi-card::before {
    content: "";
    position: absolute;
    inset-y: 12%;
    left: 0;
    width: 3px;
    border-radius: 999px;
    background: linear-gradient(to bottom, #22c55e, var(--accent-purple-light));
    opacity: 0.85;
}

.kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 24px 70px rgba(15, 23, 42, 0.95);
    border-color: rgba(129, 140, 248, 0.6);
}

.kpi-value {
    font-size: 2.1rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    margin-bottom: 0.15rem;
}

.kpi-label {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--text-muted);
}

/* Tables */
.table-container {
    background-color: var(--bg-card);
    border-radius: 0.85rem;
    overflow: hidden;
    border: 1px solid rgba(15, 23, 42, 0.9);
    margin: 0 1.75rem 1.75rem;
    box-shadow: 0 14px 40px rgba(15, 23, 42, 0.8);
}

.table-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.table-title {
    font-size: 1.125rem;
    font-weight: 600;
}

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

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

th {
    padding: 0.75rem 1.5rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

td {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
}

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

.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

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

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

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

/* Forms */
.form-container {
    background-color: var(--bg-card);
    border-radius: 0.5rem;
    padding: 2rem;
    border: 1px solid var(--border-color);
    max-width: 100%;
    margin: 0;
}

/* Horizontal Form Layout */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.form-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.form-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.form-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

@media (max-width: 1400px) {
    .form-grid-4 {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 1200px) {
    .form-grid-3,
    .form-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .form-grid,
    .form-grid-2,
    .form-grid-3,
    .form-grid-4 {
        grid-template-columns: 1fr;
    }
}

.form-group {
    margin-bottom: 0;
}

.form-grid .form-group {
    margin-bottom: 0;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-input {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 3px rgba(147, 51, 234, 0.1);
}

.form-select {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    color: var(--text-primary);
    font-size: 0.875rem;
}

/* Login Page */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-color: var(--bg-primary);
}

.login-card {
    background-color: var(--bg-card);
    border-radius: 0.5rem;
    padding: 2rem;
    width: 100%;
    max-width: 400px;
    border: 1px solid var(--border-color);
}

.login-logo-img {
    /* Match proportions of sidebar logo for consistency */
    width: 180px;
    max-width: 100%;
    max-height: 52px;
    object-fit: cover;
    object-position: center;
    display: block;
    margin: 0 auto 0.75rem;
    padding: 0.35rem 1.6rem;
    border-radius: 999px;
    /* Solid dark / black background so white logo text pops */
    background: #020617;
    box-shadow: 0 24px 55px rgba(0, 0, 0, 0.85);
    border: 1px solid rgba(148, 163, 184, 0.35);
}

.login-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-align: center;
}

.login-subtitle {
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 2rem;
}

/* Dropdown/Expandable */
.user-dropdown {
    position: relative;
}

.dropdown-toggle {
    background: none;
    border: none;
    color: var(--accent-purple-light);
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    padding: 0.5rem;
    min-width: 200px;
    z-index: 1000;
    margin-top: 0.25rem;
}

.dropdown-content.show {
    display: block;
}

.dropdown-item {
    padding: 0.5rem;
    color: var(--text-primary);
    font-size: 0.875rem;
    border-bottom: 1px solid var(--border-color);
}

.dropdown-item:last-child {
    border-bottom: none;
}

/* Utilities */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }

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

.text-success {
    color: var(--success);
}

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

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Responsive */
@media (max-width: 768px) {
    body.no-scroll {
        overflow: hidden;
    }

    .container {
        flex-direction: column;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: 80%;
        max-width: 280px;
        height: 100vh;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        box-shadow: 0 18px 45px rgba(15, 23, 42, 0.9);
    }

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

    /* Hide desktop sidebar collapse styles on mobile */
    .main-content,
    .main-content.sidebar-collapsed {
        margin-left: 0;
    }

    .header {
        margin: 0.75rem 1rem 0;
        padding: 0.9rem 1rem;
    }

    .header-title {
        font-size: 1.1rem;
    }

    .header-subtitle {
        display: none;
    }

    .header-actions {
        gap: 0.5rem;
    }

    /* Show mobile menu button, hide desktop-only elements as needed */
    .header-mobile-menu {
        display: inline-flex;
    }

    .user-profile {
        display: none !important;
    }

    .content {
        padding: 1rem;
    }

    .kpi-grid {
        grid-template-columns: 1fr;
    }

    .table-container {
        margin: 0 1rem 1rem;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    table {
        min-width: 640px;
    }

    /* Backdrop shown behind sidebar on mobile */
    .sidebar-backdrop {
        position: fixed;
        inset: 0;
        background-color: rgba(15, 23, 42, 0.65);
        z-index: 900;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.25s ease;
    }

    .sidebar-backdrop.visible {
        opacity: 1;
        pointer-events: auto;
    }

    /* Hide in-sidebar toggle button on very small screens; header button is primary */
    .sidebar-toggle {
        display: none;
    }
}