/* ============================================
   IHX Manager — Design System
   Modern dark theme with green accent
   ============================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ---------- Skip Navigation ---------- */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    background: var(--accent);
    color: #fff;
    padding: 0.5rem 1rem;
    z-index: 10000;
    font-weight: 600;
    text-decoration: none;
    border-radius: 0 0 0.5rem 0;
}

.skip-link:focus {
    top: 0;
}

/* ---------- Screen Reader Only ---------- */
.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;
}
/* ---------- CSS Variables ---------- */
:root {
    /* Primary palette */
    --color-primary: #4CAF50;
    --color-primary-dark: #2E7D32;
    --color-primary-light: #81C784;
    --color-primary-rgb: 76, 175, 80;

    /* Accent */
    --color-accent: #C8B63C;
    --color-accent-dark: #A69730;
    --color-lime: #8BC34A;

    /* Backgrounds */
    --bg-body: #0F1117;
    --bg-sidebar: #161920;
    --bg-card: #1C1F2A;
    --bg-card-hover: #242736;
    --bg-input: #1C1F2A;
    --bg-header: #161920;
    --bg-modal: #1C1F2A;

    /* Borders */
    --border-color: #2A2D3A;
    --border-light: #333647;

    /* Text */
    --text-primary: #E8E8EC;
    --text-secondary: #9CA3AF;
    --text-muted: #8B92A0;
    --text-inverse: #0F1117;

    /* Status colors */
    --color-success: #4CAF50;
    --color-warning: #FFC107;
    --color-danger: #EF4444;
    --color-info: #3B82F6;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(76, 175, 80, 0.15);

    /* Layout */
    --sidebar-width: 260px;
    --header-height: 64px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
}

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

html {
    font-size: 15px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

/* ---------- Sidebar ---------- */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: transform var(--transition-normal);
}

.sidebar-brand {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-brand img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
}

.sidebar-brand h1 {
    font-size: 1.15rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.sidebar-brand span {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 400;
    display: block;
    margin-top: -2px;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
}

.sidebar-section {
    margin-bottom: 24px;
}

.sidebar-section-title {
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    padding: 0 12px 8px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 450;
    transition: all var(--transition-fast);
    margin-bottom: 2px;
    position: relative;
}

.sidebar-link i {
    width: 20px;
    text-align: center;
    font-size: 1rem;
    opacity: 0.7;
}

.sidebar-link:hover {
    background: rgba(76, 175, 80, 0.08);
    color: var(--text-primary);
}
.sidebar-link:hover i {
    opacity: 1;
    color: var(--color-primary);
}

.sidebar-link.active {
    background: rgba(76, 175, 80, 0.12);
    color: var(--color-primary);
    font-weight: 500;
}
.sidebar-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 20px;
    background: var(--color-primary);
    border-radius: 0 3px 3px 0;
}
.sidebar-link.active i {
    opacity: 1;
    color: var(--color-primary);
}

.sidebar-badge {
    margin-left: auto;
    background: var(--color-danger);
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: var(--radius-full);
    min-width: 18px;
    text-align: center;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border-color);
}

.sidebar-2fa-link {
    margin-bottom: 8px;
    font-size: 0.85rem;
}
.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}
.sidebar-user:hover {
    background: rgba(255, 255, 255, 0.04);
}

.sidebar-user-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.85rem;
    color: white;
    flex-shrink: 0;
}

.sidebar-user-info {
    flex: 1;
    min-width: 0;
}
.sidebar-user-name {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.sidebar-user-role {
    font-size: 0.7rem;
    color: var(--text-muted);
}

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

/* ---------- Header ---------- */
.header {
    height: var(--header-height);
    background: var(--bg-header);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(12px);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

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

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.3rem;
    cursor: pointer;
    padding: 8px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
}
.header-btn:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
}

.notification-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 18px;
    height: 18px;
    background: var(--color-danger);
    border-radius: 50%;
    font-size: 0.6rem;
    font-weight: 700;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--bg-header);
}

/* ---------- Page Content ---------- */
.page-content {
    flex: 1;
    padding: 28px;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
    flex-wrap: wrap;
    gap: 16px;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 4px;
}

/* ---------- Cards ---------- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: all var(--transition-normal);
}
.card:hover {
    border-color: var(--border-light);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Stat cards */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}
.stat-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
}
.stat-card:hover {
    border-color: var(--border-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.stat-card.stat-success::before { background: var(--color-success); }
.stat-card.stat-warning::before { background: var(--color-warning); }
.stat-card.stat-danger::before { background: var(--color-danger); }
.stat-card.stat-info::before { background: var(--color-info); }
.stat-card.stat-primary::before { background: var(--color-primary); }

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}
.stat-icon.success { background: rgba(76, 175, 80, 0.12); color: var(--color-success); }
.stat-icon.warning { background: rgba(255, 193, 7, 0.12); color: var(--color-warning); }
.stat-icon.danger { background: rgba(239, 68, 68, 0.12); color: var(--color-danger); }
.stat-icon.info { background: rgba(59, 130, 246, 0.12); color: var(--color-info); }
.stat-icon.primary { background: rgba(76, 175, 80, 0.12); color: var(--color-primary); }

.stat-info h3 {
    font-size: 1.6rem;
    font-weight: 700;
    line-height: 1.2;
}
.stat-info p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 450;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 18px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    box-shadow: 0 2px 8px rgba(76, 175, 80, 0.3);
}
.btn-primary:hover {
    box-shadow: 0 4px 16px rgba(76, 175, 80, 0.4);
    transform: translateY(-1px);
    color: white;
}

.btn-secondary {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--border-light);
    color: var(--text-primary);
}

.btn-danger {
    background: linear-gradient(135deg, var(--color-danger), #DC2626);
    color: white;
}
.btn-danger:hover {
    box-shadow: 0 4px 16px rgba(239, 68, 68, 0.3);
    transform: translateY(-1px);
}

.btn-warning {
    background: linear-gradient(135deg, var(--color-warning), #E5A900);
    color: var(--text-inverse);
}

.btn-accent {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--text-inverse);
}
.btn-accent:hover {
    box-shadow: 0 4px 16px rgba(200, 182, 60, 0.3);
    transform: translateY(-1px);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.78rem;
}

.btn-icon {
    padding: 8px;
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

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

.form-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}
.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.15);
}
.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' viewBox='0 0 24 24' fill='%239CA3AF'%3e%3cpath d='M7 10l5 5 5-5z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 20px;
    padding-right: 36px;
}

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

/* ---------- Date Input ---------- */
input[type="date"].form-control {
    color-scheme: dark;
    position: relative;
}

input[type="date"].form-control::-webkit-calendar-picker-indicator {
    filter: invert(0.7);
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.2s;
}

input[type="date"].form-control::-webkit-calendar-picker-indicator:hover {
    opacity: 1;
}
/* ---------- Tables ---------- */
.table-container {
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

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

th {
    text-align: left;
    padding: 12px 16px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
}

td {
    padding: 12px 16px;
    font-size: 0.87rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

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

tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* ---------- Badges ---------- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge-success { background: rgba(76, 175, 80, 0.15); color: var(--color-success); }
.badge-warning { background: rgba(255, 193, 7, 0.15); color: var(--color-warning); }
.badge-danger  { background: rgba(239, 68, 68, 0.15); color: var(--color-danger); }
.badge-info    { background: rgba(59, 130, 246, 0.15); color: var(--color-info); }
.badge-secondary { background: rgba(107, 114, 128, 0.15); color: var(--text-muted); }
.badge-primary { background: rgba(76, 175, 80, 0.15); color: var(--color-primary); }

/* ---------- Alerts / Flash messages ---------- */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.87rem;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid transparent;
    animation: alertSlideIn 0.3s ease;
}

.alert-success { background: rgba(76, 175, 80, 0.1); border-color: rgba(76, 175, 80, 0.2); color: var(--color-success); }
.alert-warning { background: rgba(255, 193, 7, 0.1); border-color: rgba(255, 193, 7, 0.2); color: var(--color-warning); }
.alert-danger { background: rgba(239, 68, 68, 0.1); border-color: rgba(239, 68, 68, 0.2); color: var(--color-danger); }
.alert-info { background: rgba(59, 130, 246, 0.1); border-color: rgba(59, 130, 246, 0.2); color: var(--color-info); }

.alert-close {
    margin-left: auto;
    background: none;
    border: none;
    color: inherit;
    opacity: 0.6;
    cursor: pointer;
    font-size: 1.1rem;
    padding: 4px;
}
.alert-close:hover { opacity: 1; }

@keyframes alertSlideIn {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ---------- Modal ---------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 200;
    display: none;
    align-items: center;
    justify-content: center;
    animation: modalFadeIn 0.2s ease;
}
.modal-overlay.show { display: flex; }

.modal {
    background: var(--bg-modal);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: min(480px, 90vw);
    box-shadow: var(--shadow-lg);
    animation: modalSlideIn 0.25s ease;
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.modal-header h3 {
    font-size: 1.05rem;
    font-weight: 600;
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes modalSlideIn {
    from { opacity: 0; transform: translateY(-16px) scale(0.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ---------- Toast Notifications ---------- */
.toast-container {
    position: fixed;
    top: 80px;
    right: 24px;
    z-index: 300;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    min-width: 300px;
    max-width: 420px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-lg);
    animation: toastSlideIn 0.3s ease;
}
.toast.removing {
    animation: toastSlideOut 0.3s ease forwards;
}

.toast-success { border-left: 3px solid var(--color-success); }
.toast-warning { border-left: 3px solid var(--color-warning); }
.toast-danger  { border-left: 3px solid var(--color-danger); }
.toast-info    { border-left: 3px solid var(--color-info); }

.toast-message {
    flex: 1;
    font-size: 0.85rem;
}

@keyframes toastSlideIn {
    from { opacity: 0; transform: translateX(40px); }
    to   { opacity: 1; transform: translateX(0); }
}
@keyframes toastSlideOut {
    from { opacity: 1; transform: translateX(0); }
    to   { opacity: 0; transform: translateX(40px); }
}

/* ---------- Notification Dropdown ---------- */
.notif-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 360px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: none;
    z-index: 150;
}
.notif-dropdown.show { display: block; }

.notif-dropdown-header {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.notif-dropdown-header h4 {
    font-size: 0.9rem;
    font-weight: 600;
}

.notif-item {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    gap: 12px;
    transition: background var(--transition-fast);
}
.notif-item:hover {
    background: rgba(255, 255, 255, 0.02);
}
.notif-item:last-child { border-bottom: none; }

.notif-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    flex-shrink: 0;
}

.notif-content h5 {
    font-size: 0.82rem;
    font-weight: 500;
    margin-bottom: 2px;
}
.notif-content p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ---------- Breadcrumbs ---------- */
.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}
.breadcrumbs a {
    color: var(--text-secondary);
}
.breadcrumbs a:hover {
    color: var(--color-primary);
}
.breadcrumbs .separator {
    color: var(--text-muted);
    font-size: 0.7rem;
}

/* ---------- Grid Layouts ---------- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

/* ---------- Docker App Cards ---------- */
.docker-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    transition: all var(--transition-normal);
}
.docker-card:hover {
    border-color: var(--border-light);
    box-shadow: var(--shadow-md);
}

.docker-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.docker-card-name {
    font-weight: 600;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.docker-card-actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.docker-action-btn {
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.78rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-family: inherit;
}
.docker-action-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(76, 175, 80, 0.06);
}
.docker-action-btn.danger:hover {
    border-color: var(--color-danger);
    color: var(--color-danger);
    background: rgba(239, 68, 68, 0.06);
}

/* ---------- Client Cards ---------- */
.client-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    transition: all var(--transition-normal);
    cursor: pointer;
}
.client-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.client-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.client-name {
    font-weight: 600;
    font-size: 1rem;
}

.client-meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.client-trial-bar {
    margin-top: 12px;
    height: 4px;
    background: var(--border-color);
    border-radius: 2px;
    overflow: hidden;
}
.client-trial-progress {
    height: 100%;
    border-radius: 2px;
    transition: width 0.5s ease;
}

/* ---------- Connection Data ---------- */
.connection-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-bottom: 16px;
}

.connection-card h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.connection-field {
    display: flex;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}
.connection-field:last-child {
    border-bottom: none;
}

.connection-label {
    font-size: 0.82rem;
    color: var(--text-secondary);
    width: 100px;
    flex-shrink: 0;
    font-weight: 500;
}

.connection-value {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.85rem;
    color: var(--color-primary-light);
    flex: 1;
    user-select: all;
}

.copy-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px 8px;
    font-size: 0.85rem;
    transition: color var(--transition-fast);
}
.copy-btn:hover {
    color: var(--color-primary);
}

/* ---------- Charts ---------- */
.chart-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    position: relative;
    height: 320px;
}

.chart-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 16px;
}

/* ---------- Loading Spinner ---------- */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ---------- Empty States ---------- */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-muted);
}
.empty-state i {
    font-size: 2.5rem;
    margin-bottom: 12px;
    opacity: 0.4;
}
.empty-state h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-secondary);
}
.empty-state p {
    font-size: 0.85rem;
}

/* ---------- Pagination ---------- */
.pagination {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 24px;
    justify-content: center;
}

.pagination a, .pagination span {
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}
.pagination a {
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}
.pagination a:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}
.pagination .active {
    background: var(--color-primary);
    color: white;
    border: 1px solid var(--color-primary);
}

/* ---------- Utilities ---------- */
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-danger { color: var(--color-danger); }
.text-info { color: var(--color-info); }
.text-primary { color: var(--color-primary); }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
        overflow-x: hidden;
    }
    .mobile-toggle {
        display: flex;
    }
    .stat-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
    .page-content {
        padding: 16px;
    }
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    .page-title {
        font-size: 1.2rem;
    }
    .chart-container {
        height: 260px;
        padding: 16px;
    }
    .stat-card {
        padding: 14px 16px;
        gap: 10px;
    }
    .stat-icon {
        width: 38px;
        height: 38px;
        font-size: 1rem;
    }
    .stat-info h3 {
        font-size: 1.2rem;
    }
    .stat-info p {
        font-size: 0.72rem;
    }
    .card {
        padding: 16px;
    }
    .table-container {
        margin: 0 -16px;
        border-radius: 0;
        border-left: none;
        border-right: none;
    }
}

/* ---------- Login Page ---------- */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-body);
    background-image:
        radial-gradient(ellipse at 20% 50%, rgba(76, 175, 80, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(200, 182, 60, 0.04) 0%, transparent 50%);
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    width: min(420px, 90vw);
    box-shadow: var(--shadow-lg);
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}
.login-logo img {
    width: 72px;
    height: 72px;
    margin-bottom: 12px;
}
.login-logo h2 {
    font-size: 1.4rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.login-logo p {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-form .form-control {
    padding: 12px 16px;
    font-size: 0.92rem;
}

.login-form .btn {
    width: 100%;
    padding: 12px;
    font-size: 0.95rem;
    justify-content: center;
}

.login-remember {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.login-remember input[type="checkbox"] {
    accent-color: var(--color-primary);
}

/* ---------- Toggle Switch ---------- */
.toggle-switch {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 0.85rem;
    user-select: none;
}
.toggle-switch input {
    display: none;
}
.toggle-slider {
    position: relative;
    width: 40px;
    height: 22px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 11px;
    transition: background 0.25s, border-color 0.25s;
    flex-shrink: 0;
}
.toggle-slider::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 16px;
    height: 16px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: transform 0.25s, background 0.25s;
}
.toggle-switch input:checked + .toggle-slider {
    background: var(--color-primary);
    border-color: var(--color-primary);
}
.toggle-switch input:checked + .toggle-slider::after {
    transform: translateX(18px);
    background: #fff;
}

/* ---------- Docker toolbar ---------- */
.docker-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.docker-search-wrap {
    position: relative;
    flex: 1;
    min-width: 180px;
    max-width: 400px;
}

@media (max-width: 600px) {
    .docker-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .docker-search-wrap {
        max-width: 100%;
    }

    .filter-tabs {
        width: 100%;
        justify-content: stretch;
    }

    .filter-tab {
        flex: 1;
        text-align: center;
        padding: 7px 8px;
        font-size: 0.75rem;
    }
}

@media (max-width: 380px) {
    .stat-grid {
        grid-template-columns: 1fr;
    }
    .stat-card {
        padding: 12px 14px;
    }
}
/* ---------- Filter tabs ---------- */
.filter-tabs {
    display: flex;
    gap: 4px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 4px;
}

.filter-tab {
    padding: 7px 16px;
    border-radius: 4px;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}
.filter-tab:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.04);
}
.filter-tab.active {
    background: var(--color-primary);
    color: white;
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--border-light);
}

/* ---------- Confirmation Modal ---------- */
.confirm-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s, visibility 0.2s;
}
.confirm-overlay.show {
    opacity: 1;
    visibility: visible;
}
.confirm-modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    max-width: 420px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    transform: scale(0.9);
    transition: transform 0.2s;
}
.confirm-overlay.show .confirm-modal {
    transform: scale(1);
}
.confirm-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}
.confirm-icon {
    font-size: 1.4rem;
    color: var(--color-warning);
}
.confirm-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}
.confirm-message {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0 0 20px 0;
    line-height: 1.5;
}
.confirm-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}