/* ═══════════════════════════════════════════════════════════════════
   KXView — Main Stylesheet (Dark Theme)
   ═══════════════════════════════════════════════════════════════════ */

/* ── CSS Custom Properties ────────────────────────────────────────── */
:root {
    /* Colors — Dark palette */
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-tertiary: #1e2538;
    --bg-elevated: #252d3f;
    --bg-hover: #2a3349;
    --bg-active: #323c54;

    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-disabled: #475569;

    --border-color: #1e293b;
    --border-light: #334155;

    /* Accent colors */
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --accent-subtle: rgba(99, 102, 241, 0.12);

    --success: #10b981;
    --success-subtle: rgba(16, 185, 129, 0.12);
    --warning: #f59e0b;
    --warning-subtle: rgba(245, 158, 11, 0.12);
    --danger: #ef4444;
    --danger-subtle: rgba(239, 68, 68, 0.12);
    --info: #06b6d4;
    --info-subtle: rgba(6, 182, 212, 0.12);
    --purple: #a855f7;
    --purple-subtle: rgba(168, 85, 247, 0.12);

    /* Layout */
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 68px;
    --topbar-height: 60px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.4);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.5);

    /* Transitions */
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --duration: 200ms;
}

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

html { font-size: 14px; scroll-behavior: smooth; }

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

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

::selection { background: var(--accent); color: white; }

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

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

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

.sidebar-header {
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    min-height: 60px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.logo i {
    font-size: 1.6rem;
    color: var(--accent);
}

.sidebar-toggle {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.25rem;
    padding: 4px;
    border-radius: var(--radius-sm);
    transition: all var(--duration) var(--ease);
}

.sidebar-toggle:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

/* Sidebar Nav */
.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 12px 0;
}

.nav-section { margin-bottom: 8px; }

.nav-section-title {
    padding: 8px 20px 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 9px 20px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 450;
    transition: all var(--duration) var(--ease);
    position: relative;
    margin: 1px 8px;
    border-radius: var(--radius-sm);
}

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

.nav-item.active {
    color: var(--accent);
    background: var(--accent-subtle);
    font-weight: 500;
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    background: var(--accent);
    border-radius: 0 3px 3px 0;
}

.nav-item i { font-size: 1.15rem; width: 20px; text-align: center; flex-shrink: 0; }

.nav-badge {
    margin-left: auto;
    font-size: 0.65rem;
    font-weight: 600;
    background: var(--bg-tertiary);
    color: var(--text-muted);
    padding: 1px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

.nav-item.active .nav-badge { background: var(--accent); color: white; }

/* Sidebar Footer */
.sidebar-footer {
    border-top: 1px solid var(--border-color);
    padding: 12px 16px;
}

.user-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    border-radius: var(--radius-md);
    transition: background var(--duration) var(--ease);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--accent-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.1rem;
    flex-shrink: 0;
}

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

.user-logout {
    color: var(--text-muted);
    font-size: 1.1rem;
    padding: 6px;
    border-radius: var(--radius-sm);
    transition: all var(--duration) var(--ease);
}
.user-logout:hover { color: var(--danger); background: var(--danger-subtle); }

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

.topbar {
    height: var(--topbar-height);
    background: var(--bg-secondary);
    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);
    background: rgba(17, 24, 39, 0.85);
}

.topbar-left { display: flex; align-items: center; gap: 16px; }
.topbar-right { display: flex; align-items: center; gap: 12px; }

.page-title {
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.4rem;
    cursor: pointer;
    padding: 4px;
}

.content-area { padding: 24px; flex: 1; }

/* ══════════════════════════════════════════════════════════════════
   COMPONENTS
   ══════════════════════════════════════════════════════════════════ */

/* ── Buttons ──────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--duration) var(--ease);
    font-family: inherit;
    line-height: 1.4;
    white-space: nowrap;
}
.btn:active { transform: scale(0.97); }

.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent-hover); box-shadow: 0 0 20px rgba(99,102,241,0.3); }

.btn-secondary { background: var(--bg-tertiary); color: var(--text-secondary); border-color: var(--border-light); }
.btn-secondary:hover { background: var(--bg-hover); color: var(--text-primary); }

.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: #dc2626; box-shadow: 0 0 20px rgba(239,68,68,0.3); }

.btn-ghost { background: transparent; color: var(--text-secondary); }
.btn-ghost:hover { background: var(--bg-hover); color: var(--text-primary); }

.btn-sm { padding: 5px 12px; font-size: 0.8rem; }
.btn-xs { padding: 4px 8px; font-size: 0.75rem; }
.btn-lg { padding: 12px 24px; font-size: 0.95rem; }
.btn-block { width: 100%; justify-content: center; }

/* ── Forms ─────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }

.form-group label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
input[type="url"],
textarea,
select {
    width: 100%;
    padding: 9px 14px;
    font-size: 0.85rem;
    font-family: inherit;
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    transition: all var(--duration) var(--ease);
    outline: none;
}

input:focus, textarea:focus, select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-subtle);
}

input::placeholder, textarea::placeholder { color: var(--text-disabled); }

.password-wrapper { position: relative; }
.password-toggle {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 2px;
}

/* ── Badges ────────────────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    font-size: 0.72rem;
    font-weight: 600;
    border-radius: 20px;
}
.badge-info { background: var(--info-subtle); color: var(--info); }
.badge-success { background: var(--success-subtle); color: var(--success); }
.badge-warning { background: var(--warning-subtle); color: var(--warning); }
.badge-danger { background: var(--danger-subtle); color: var(--danger); }
.badge-purple { background: var(--purple-subtle); color: var(--purple); }
.badge-blue { background: var(--accent-subtle); color: var(--accent); }

/* ── Status Dot ────────────────────────────────────────────────────── */
.status-dot {
    display: inline-block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    margin-right: 6px;
}
.status-active { background: var(--success); box-shadow: 0 0 6px var(--success); }
.status-inactive { background: var(--text-disabled); }

/* ── Alerts ────────────────────────────────────────────────────────── */
.alert {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    margin-bottom: 16px;
}
.alert-error { background: var(--danger-subtle); color: var(--danger); border: 1px solid rgba(239,68,68,0.2); }
.alert-success { background: var(--success-subtle); color: var(--success); border: 1px solid rgba(16,185,129,0.2); }
.alert i { font-size: 1.2rem; flex-shrink: 0; }

/* ── Cards ─────────────────────────────────────────────────────────── */
.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all var(--duration) var(--ease);
}
.stat-card:hover {
    border-color: var(--border-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: color-mix(in srgb, var(--accent) 12%, transparent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--accent);
    flex-shrink: 0;
}

.stat-value { font-size: 1.8rem; font-weight: 700; letter-spacing: -0.03em; line-height: 1.2; }
.stat-label { font-size: 0.78rem; color: var(--text-muted); font-weight: 450; }

.section-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.section-card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}
.section-card-header h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    font-weight: 600;
}
.section-card-header h3 i { color: var(--accent); }

.section-card-body { padding: 20px; }

/* ── Tables ────────────────────────────────────────────────────────── */
.table-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.table-card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.table-card-header h3 { display: flex; align-items: center; gap: 8px; font-size: 0.95rem; font-weight: 600; }
.table-card-header h3 i { color: var(--accent); }

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

.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
    padding: 12px 16px;
    text-align: left;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}
.data-table td {
    padding: 12px 16px;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}
.data-table tbody tr { transition: background var(--duration) var(--ease); }
.data-table tbody tr:hover { background: var(--bg-hover); }
.data-table tbody tr:last-child td { border-bottom: none; }

.user-cell { display: flex; align-items: center; gap: 10px; }
.user-cell-avatar {
    width: 32px; height: 32px; border-radius: 50%;
    background: var(--accent-subtle); display: flex;
    align-items: center; justify-content: center;
    color: var(--accent); font-size: 0.9rem;
}

.action-btns { display: flex; gap: 4px; }

/* ── Modal ─────────────────────────────────────────────────────────── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 150ms var(--ease);
}
.modal-overlay.active { display: flex; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 480px;
    box-shadow: var(--shadow-xl);
    animation: slideUp 200ms var(--ease);
}
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

.modal-header {
    padding: 20px 24px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.modal-title { font-size: 1.05rem; font-weight: 600; }
.modal-close {
    background: none; border: none;
    color: var(--text-muted); font-size: 1.4rem;
    cursor: pointer; padding: 4px;
    border-radius: var(--radius-sm);
    transition: all var(--duration) var(--ease);
}
.modal-close:hover { color: var(--text-primary); background: var(--bg-hover); }

.modal-body { padding: 12px 24px 20px; }
.modal-footer { padding: 12px 24px 20px; display: flex; gap: 8px; justify-content: flex-end; }

/* ── Toast ─────────────────────────────────────────────────────────── */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 450;
    box-shadow: var(--shadow-lg);
    animation: toastIn 300ms var(--ease);
    min-width: 280px;
    max-width: 420px;
    border: 1px solid;
}
@keyframes toastIn { from { opacity: 0; transform: translateX(30px); } to { opacity: 1; transform: translateX(0); } }
.toast-out { animation: toastOut 200ms var(--ease) forwards; }
@keyframes toastOut { to { opacity: 0; transform: translateX(30px); } }

.toast-success { background: var(--bg-secondary); border-color: var(--success); color: var(--success); }
.toast-error { background: var(--bg-secondary); border-color: var(--danger); color: var(--danger); }
.toast-info { background: var(--bg-secondary); border-color: var(--info); color: var(--info); }
.toast-warning { background: var(--bg-secondary); border-color: #f59e0b; color: #f59e0b; }

/* ══════════════════════════════════════════════════════════════════
   PAGES
   ══════════════════════════════════════════════════════════════════ */

/* ── Dashboard ────────────────────────────────────────────────────── */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.dashboard-sections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 16px;
}

.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 10px;
}

.quick-action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 450;
    transition: all var(--duration) var(--ease);
}
.quick-action-btn:hover {
    background: var(--bg-hover);
    color: var(--accent);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.quick-action-btn i { font-size: 1.5rem; }

/* ── Workflow Steps ───────────────────────────────────────────────── */
.workflow-steps { display: flex; flex-direction: column; gap: 2px; }

.workflow-step {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 14px;
    border-radius: var(--radius-md);
    transition: background var(--duration) var(--ease);
}
.workflow-step:hover { background: var(--bg-hover); }

.step-number {
    width: 30px; height: 30px;
    border-radius: 50%;
    background: var(--accent-subtle);
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.step-title { font-size: 0.88rem; font-weight: 550; color: var(--text-primary); }
.step-desc { font-size: 0.76rem; color: var(--text-muted); margin-top: 1px; }

.workflow-arrow { text-align: center; color: var(--text-disabled); font-size: 1.1rem; padding: 0 0 0 8px; }

/* ── Login Page ───────────────────────────────────────────────────── */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg-primary);
    overflow: hidden;
    position: relative;
}

.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 100vh;
    position: relative;
}

.login-card {
    background: rgba(17, 24, 39, 0.8);
    backdrop-filter: blur(24px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: 40px 36px;
    width: 100%;
    max-width: 400px;
    z-index: 10;
    box-shadow: var(--shadow-xl);
}

.login-header { text-align: center; margin-bottom: 32px; }

.login-logo {
    width: 60px; height: 60px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--accent), #a855f7);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 1.8rem;
    color: white;
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.3);
}

.login-header h1 { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.03em; }
.login-subtitle { color: var(--text-muted); font-size: 0.85rem; margin-top: 4px; }

.login-form { margin-bottom: 16px; }
.login-footer { text-align: center; color: var(--text-disabled); font-size: 0.75rem; }

/* Login BG animation */
.login-bg { position: absolute; inset: 0; overflow: hidden; z-index: 1; }

.login-bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    animation: orbFloat 12s ease-in-out infinite;
}
.login-bg-orb-1 { width: 400px; height: 400px; background: var(--accent); top: -100px; right: -100px; }
.login-bg-orb-2 { width: 350px; height: 350px; background: #a855f7; bottom: -80px; left: -80px; animation-delay: -4s; }
.login-bg-orb-3 { width: 250px; height: 250px; background: var(--info); top: 50%; left: 50%; animation-delay: -8s; }

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -40px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

/* ── Utility ──────────────────────────────────────────────────────── */
.text-muted { color: var(--text-muted); }
.text-danger { color: var(--danger); }
.font-medium { font-weight: 500; }

/* ══════════════════════════════════════════════════════════════════
   ZONE 1 — Source Subscriptions
   ══════════════════════════════════════════════════════════════════ */
.sub-list { display: flex; flex-direction: column; gap: 12px; }

.sub-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--duration) var(--ease);
}
.sub-card:hover { border-color: var(--border-light); }

.sub-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    cursor: pointer;
    transition: background var(--duration) var(--ease);
    gap: 16px;
}
.sub-card-header:hover { background: var(--bg-hover); }

.sub-card-left { display: flex; align-items: center; gap: 12px; min-width: 0; flex: 1; }

.sub-card-status { flex-shrink: 0; }

.sub-card-info { min-width: 0; }
.sub-card-name { font-weight: 600; font-size: 0.95rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sub-card-meta {
    display: flex; gap: 14px; margin-top: 3px;
    font-size: 0.76rem; color: var(--text-muted);
}
.sub-card-meta i { font-size: 0.85rem; margin-right: 2px; }

.sub-card-right { display: flex; align-items: center; gap: 16px; flex-shrink: 0; }

.sub-card-actions { display: flex; align-items: center; gap: 2px; }

.sub-expand-icon {
    font-size: 1.2rem;
    color: var(--text-muted);
    transition: transform var(--duration) var(--ease);
    margin-left: 4px;
}

/* Traffic Bar */
.traffic-bar-wrap { min-width: 180px; }
.traffic-text { font-size: 0.75rem; color: var(--text-secondary); margin-bottom: 4px; text-align: right; }
.traffic-bar { height: 4px; background: var(--bg-tertiary); border-radius: 2px; overflow: hidden; }
.traffic-bar-fill {
    height: 100%; border-radius: 2px;
    background: linear-gradient(90deg, var(--accent), var(--info));
    transition: width 600ms var(--ease);
}
.traffic-bar-fill.bar-warning { background: linear-gradient(90deg, var(--warning), #f97316); }
.traffic-bar-fill.bar-danger { background: linear-gradient(90deg, var(--danger), #f97316); }

/* Notes */
.sub-card-notes {
    padding: 0 20px 12px;
    display: flex; gap: 8px; flex-wrap: wrap;
}
.note-tag {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 2px 8px; border-radius: 4px;
    font-size: 0.72rem;
}
.note-admin { background: var(--purple-subtle); color: var(--purple); }
.note-user { background: var(--info-subtle); color: var(--info); }
.note-admin-sm, .note-user-sm {
    display: inline-flex; align-items: center; gap: 3px;
    padding: 1px 6px; border-radius: 3px; font-size: 0.7rem;
}
.note-admin-sm { background: var(--purple-subtle); color: var(--purple); }
.note-user-sm { background: var(--info-subtle); color: var(--info); }

/* Expandable Node Body */
.sub-card-body {
    border-top: 1px solid var(--border-color);
    max-height: 500px;
    overflow-y: auto;
}

.node-list-loading {
    display: flex; align-items: center; justify-content: center;
    gap: 8px; padding: 24px; color: var(--text-muted); font-size: 0.85rem;
}

.node-table .node-name-cell {
    max-width: 240px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.empty-hint {
    padding: 24px; text-align: center;
    color: var(--text-muted); font-size: 0.85rem;
}

/* Empty State */
.empty-state {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 60px 20px; text-align: center;
}
.empty-state-icon {
    width: 80px; height: 80px; border-radius: 50%;
    background: var(--accent-subtle); display: flex;
    align-items: center; justify-content: center;
    font-size: 2rem; color: var(--accent); margin-bottom: 20px;
}
.empty-state h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 6px; }
.empty-state p { color: var(--text-muted); font-size: 0.85rem; }

/* Form Row */
.form-row { display: flex; gap: 12px; }
.form-row .form-group { flex: 1; }

/* Spinner */
.spin { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ══════════════════════════════════════════════════════════════════
   ZONE 2-5 — Shared Components
   ══════════════════════════════════════════════════════════════════ */

/* Node Picker */
.pick-node-list { display: flex; flex-direction: column; gap: 2px; }
.pick-node-item {
    display: flex; align-items: center; gap: 8px;
    padding: 6px 10px; border-radius: var(--radius-sm);
    cursor: pointer; font-size: 0.82rem; transition: background var(--duration) var(--ease);
}
.pick-node-item:hover { background: var(--bg-hover); }
.pick-node-item input[type="checkbox"] { accent-color: var(--accent); width: 15px; height: 15px; }
.pick-node-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Item List (Zone 3) */
.item-list { display: flex; flex-direction: column; gap: 4px; }
.item-row {
    display: flex; align-items: center; justify-content: space-between;
    padding: 8px 12px; border-radius: var(--radius-sm);
    transition: background var(--duration) var(--ease);
}
.item-row:hover { background: var(--bg-hover); }
.item-left { display: flex; align-items: center; gap: 8px; flex: 1; min-width: 0; }
.item-name { font-size: 0.85rem; font-weight: 450; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Module Cards (Zone 4) */
.modules-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(380px, 1fr)); gap: 16px; }

.module-card {
    background: var(--bg-secondary); border: 1px solid var(--border-color);
    border-radius: var(--radius-lg); overflow: hidden;
    transition: all var(--duration) var(--ease); opacity: 0.7;
}
.module-card.module-enabled { opacity: 1; border-color: var(--border-light); }

.module-card-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 18px; border-bottom: 1px solid var(--border-color);
}
.module-header-left { display: flex; align-items: center; gap: 10px; }
.module-header-right { display: flex; align-items: center; gap: 4px; }

.module-toggle {
    background: none; border: none; font-size: 1.5rem;
    cursor: pointer; color: var(--text-disabled); transition: color var(--duration) var(--ease);
}
.module-toggle.active { color: var(--success); }

.module-name { font-size: 0.92rem; font-weight: 600; }
.module-key { font-size: 0.7rem; }
.module-desc { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 12px; padding: 0 4px; }

.module-card-body { padding: 14px 18px; }

.sub-module-list { display: flex; flex-direction: column; gap: 4px; }

.sub-module-item {
    padding: 6px 8px; border-radius: var(--radius-sm);
    opacity: 0.6; transition: all var(--duration) var(--ease);
}
.sub-module-item.sub-enabled { opacity: 1; }
.sub-module-item:hover { background: var(--bg-hover); }

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

.sub-toggle {
    background: none; border: none; font-size: 1.1rem;
    cursor: pointer; color: var(--text-disabled); transition: color var(--duration) var(--ease);
}
.sub-toggle.active { color: var(--accent); }

.sub-module-name { font-size: 0.82rem; font-weight: 450; flex: 1; }

.sub-module-editor { padding: 8px 0 4px 28px; }

/* Token Cell (Zone 5) */
.token-cell { display: flex; align-items: center; gap: 6px; }
.token-value {
    font-size: 0.75rem; padding: 2px 8px; background: var(--bg-tertiary);
    border-radius: 4px; font-family: monospace; color: var(--text-secondary);
}

/* Tag Delete */
.tag-delete {
    background: none; border: none; color: inherit; cursor: pointer;
    font-size: 1rem; margin-left: 4px; opacity: 0.6; line-height: 1;
}
.tag-delete:hover { opacity: 1; }

/* ══════════════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open { transform: translateX(0); }

    .main-content { margin-left: 0; }
    .mobile-menu-btn { display: block; }

    .dashboard-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
    .dashboard-sections { grid-template-columns: 1fr; }
    .sub-card-header { flex-direction: column; align-items: flex-start; }
    .sub-card-right { width: 100%; justify-content: space-between; }
    .traffic-bar-wrap { flex: 1; }
}