@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap");

:root {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-tertiary: #9ca3af;
    --border-color: #e2e8f0;
    --accent-color: #3b82f6;
    --accent-hover: #2563eb;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #293548;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    --border-color: #334155;
    --accent-color: #3b82f6;
    --accent-hover: #60a5fa;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition:
        background-color 0.2s ease,
        color 0.2s ease,
        border-color 0.2s ease;
}

body {
    font-family: "Inter", -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-tertiary); }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }

/* ── Dark mode Tailwind overrides ─────────────────────────────────────────── */

/* Backgrounds */
[data-theme="dark"] .bg-white          { background-color: var(--bg-secondary) !important; }
[data-theme="dark"] .bg-gray-50        { background-color: var(--bg-primary) !important; }
[data-theme="dark"] .bg-gray-100       { background-color: var(--bg-tertiary) !important; }
[data-theme="dark"] .bg-gray-200       { background-color: #334155 !important; }
[data-theme="dark"] .bg-gray-700       { background-color: #1e293b !important; }
[data-theme="dark"] .bg-gray-800       { background-color: #1e293b !important; }
[data-theme="dark"] .bg-gray-900       { background-color: #0f172a !important; }

/* Hover backgrounds */
[data-theme="dark"] .hover\:bg-gray-50:hover  { background-color: var(--bg-tertiary) !important; }
[data-theme="dark"] .hover\:bg-gray-100:hover { background-color: #334155 !important; }

/* Text */
[data-theme="dark"] .text-gray-900 { color: #f1f5f9 !important; }
[data-theme="dark"] .text-gray-800 { color: #e2e8f0 !important; }
[data-theme="dark"] .text-gray-700 { color: #cbd5e1 !important; }
[data-theme="dark"] .text-gray-600 { color: #94a3b8 !important; }
[data-theme="dark"] .text-gray-500 { color: #94a3b8 !important; }
[data-theme="dark"] .text-gray-400 { color: #64748b !important; }
[data-theme="dark"] .text-gray-300 { color: #475569 !important; }

/* Hover text */
[data-theme="dark"] .hover\:text-gray-900:hover { color: #f1f5f9 !important; }
[data-theme="dark"] .hover\:text-gray-700:hover { color: #cbd5e1 !important; }

/* Borders */
[data-theme="dark"] .border-gray-50  { border-color: #1e293b !important; }
[data-theme="dark"] .border-gray-100 { border-color: var(--border-color) !important; }
[data-theme="dark"] .border-gray-200 { border-color: var(--border-color) !important; }
[data-theme="dark"] .border-gray-300 { border-color: #475569 !important; }
[data-theme="dark"] .border-b        { border-color: var(--border-color); }

/* Divide */
[data-theme="dark"] .divide-gray-100 > :not([hidden]) ~ :not([hidden]) { border-color: var(--border-color) !important; }
[data-theme="dark"] .divide-gray-200 > :not([hidden]) ~ :not([hidden]) { border-color: var(--border-color) !important; }
[data-theme="dark"] .divide-x > :not([hidden]) ~ :not([hidden])        { border-color: var(--border-color) !important; }
[data-theme="dark"] .divide-y > :not([hidden]) ~ :not([hidden])        { border-color: var(--border-color) !important; }

/* Rings */
[data-theme="dark"] .ring-gray-100 { --tw-ring-color: var(--border-color) !important; }

/* Form inputs & selects */
[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}
[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder { color: var(--text-tertiary) !important; }
[data-theme="dark"] input:focus,
[data-theme="dark"] select:focus,
[data-theme="dark"] textarea:focus {
    border-color: var(--accent-color) !important;
    outline: none;
}
[data-theme="dark"] option {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

/* Tables */
[data-theme="dark"] table       { color: var(--text-primary); }
[data-theme="dark"] thead       { background-color: var(--bg-tertiary) !important; border-color: var(--border-color); }
[data-theme="dark"] th          { background-color: var(--bg-tertiary) !important; color: var(--text-secondary) !important; border-color: var(--border-color) !important; }
[data-theme="dark"] td          { border-color: var(--border-color) !important; color: var(--text-primary) !important; }
[data-theme="dark"] tbody tr:hover { background-color: var(--bg-tertiary) !important; }
[data-theme="dark"] .hover\:bg-gray-50:hover td { background-color: transparent !important; }

/* Modals & overlays */
[data-theme="dark"] .bg-black\/50,
[data-theme="dark"] .bg-black\/60 { background-color: rgba(0,0,0,0.7) !important; }

/* Shadows */
[data-theme="dark"] .shadow-sm { box-shadow: 0 1px 3px rgba(0,0,0,0.4) !important; }
[data-theme="dark"] .shadow    { box-shadow: 0 2px 6px rgba(0,0,0,0.5) !important; }
[data-theme="dark"] .shadow-lg { box-shadow: 0 10px 25px rgba(0,0,0,0.5) !important; }
[data-theme="dark"] .shadow-xl { box-shadow: 0 20px 40px rgba(0,0,0,0.6) !important; }

/* Notification dot border */
[data-theme="dark"] .border-white { border-color: var(--bg-secondary) !important; }

/* Login card — opacity variants not covered by generic bg-white rule */
[data-theme="dark"] .bg-white\/80  { background-color: rgba(30, 41, 59, 0.97) !important; }
[data-theme="dark"] .bg-white\/60  { background-color: rgba(30, 41, 59, 0.8)  !important; }
[data-theme="dark"] .bg-white\/20  { background-color: rgba(255,255,255,0.06) !important; }
[data-theme="dark"] .bg-white\/10  { background-color: rgba(255,255,255,0.04) !important; }
[data-theme="dark"] .border-white\/20 { border-color: rgba(255,255,255,0.08) !important; }
[data-theme="dark"] .border-white\/10 { border-color: rgba(255,255,255,0.05) !important; }
[data-theme="dark"] .bg-gray-50\/60   { background-color: rgba(15,23,42,0.6)  !important; }

/* Preserve colored backgrounds (badges, buttons) */
[data-theme="dark"] .bg-green-50  { background-color: rgba(16,185,129,0.12) !important; }
[data-theme="dark"] .bg-green-100 { background-color: rgba(16,185,129,0.15) !important; }
[data-theme="dark"] .bg-blue-50   { background-color: rgba(59,130,246,0.12) !important; }
[data-theme="dark"] .bg-blue-100  { background-color: rgba(59,130,246,0.15) !important; }
[data-theme="dark"] .bg-purple-50  { background-color: rgba(168,85,247,0.12) !important; }
[data-theme="dark"] .bg-purple-100 { background-color: rgba(168,85,247,0.15) !important; }
[data-theme="dark"] .bg-amber-50  { background-color: rgba(245,158,11,0.12) !important; }
[data-theme="dark"] .bg-amber-100 { background-color: rgba(245,158,11,0.15) !important; }
[data-theme="dark"] .bg-orange-50  { background-color: rgba(249,115,22,0.12) !important; }
[data-theme="dark"] .bg-orange-100 { background-color: rgba(249,115,22,0.15) !important; }
[data-theme="dark"] .bg-red-50  { background-color: rgba(239,68,68,0.12) !important; }
[data-theme="dark"] .bg-red-100 { background-color: rgba(239,68,68,0.15) !important; }
[data-theme="dark"] .bg-teal-50  { background-color: rgba(20,184,166,0.12) !important; }
[data-theme="dark"] .bg-teal-100 { background-color: rgba(20,184,166,0.15) !important; }
[data-theme="dark"] .bg-yellow-100 { background-color: rgba(234,179,8,0.15) !important; }
[data-theme="dark"] .bg-indigo-50  { background-color: rgba(99,102,241,0.12) !important; }
[data-theme="dark"] .bg-indigo-100 { background-color: rgba(99,102,241,0.15) !important; }

/* Preserve colored badge text */
[data-theme="dark"] .text-green-600  { color: #34d399 !important; }
[data-theme="dark"] .text-green-700  { color: #34d399 !important; }
[data-theme="dark"] .text-blue-600   { color: #60a5fa !important; }
[data-theme="dark"] .text-blue-700   { color: #60a5fa !important; }
[data-theme="dark"] .text-purple-600 { color: #c084fc !important; }
[data-theme="dark"] .text-purple-700 { color: #c084fc !important; }
[data-theme="dark"] .text-amber-600  { color: #fbbf24 !important; }
[data-theme="dark"] .text-orange-600 { color: #fb923c !important; }
[data-theme="dark"] .text-red-500    { color: #f87171 !important; }
[data-theme="dark"] .text-red-600    { color: #f87171 !important; }
[data-theme="dark"] .text-red-700    { color: #f87171 !important; }
[data-theme="dark"] .text-teal-500   { color: #2dd4bf !important; }
[data-theme="dark"] .text-yellow-700 { color: #fcd34d !important; }
[data-theme="dark"] .text-indigo-600 { color: #818cf8 !important; }

/* Hover red (logout, etc.) */
[data-theme="dark"] .hover\:text-red-600:hover { color: #f87171 !important; }
[data-theme="dark"] .hover\:bg-red-50:hover    { background-color: rgba(239,68,68,0.12) !important; }

/* Preserve solid colored elements (buttons, badges) */
[data-theme="dark"] .bg-green-500,
[data-theme="dark"] .bg-green-600 { background-color: #16a34a !important; }
[data-theme="dark"] .bg-red-500,
[data-theme="dark"] .bg-red-600   { background-color: #dc2626 !important; }
[data-theme="dark"] .bg-blue-500,
[data-theme="dark"] .bg-blue-600  { background-color: #2563eb !important; }

/* Metric tab active */
[data-theme="dark"] .bg-blue-600.text-white { background-color: #2563eb !important; color: #fff !important; }

/* Progress bars — keep colored */
[data-theme="dark"] .bg-blue-500   { background-color: #3b82f6 !important; }
[data-theme="dark"] .bg-teal-500   { background-color: #14b8a6 !important; }
[data-theme="dark"] .bg-amber-500  { background-color: #f59e0b !important; }
[data-theme="dark"] .bg-purple-500 { background-color: #a855f7 !important; }
[data-theme="dark"] .bg-orange-500 { background-color: #f97316 !important; }
[data-theme="dark"] .bg-yellow-400 { background-color: #facc15 !important; }

/* Skeleton / pulse */
[data-theme="dark"] .bg-gray-200.animate-pulse { background-color: #334155 !important; }

/* Sidebar & header */
[data-theme="dark"] aside,
[data-theme="dark"] header { background-color: var(--bg-secondary) !important; border-color: var(--border-color) !important; }

/* ── Notifications ────────────────────────────────────────────────────────── */
.notification {
    position: fixed; top: 80px; right: 20px; z-index: 9999;
    padding: 1rem 1.5rem; border-radius: 12px;
    display: flex; align-items: center; gap: 0.75rem;
    font-weight: 500; font-size: 0.875rem; max-width: 400px;
    animation: slideInRight 0.3s ease-out; backdrop-filter: blur(10px);
}
.notification.success { background: linear-gradient(135deg, #10b981, #059669); color: white; }
.notification.error   { background: linear-gradient(135deg, #ef4444, #dc2626); color: white; }
.notification.info    { background: linear-gradient(135deg, #3b82f6, #2563eb); color: white; }

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

/* ── Component Classes ────────────────────────────────────────────────────── */
.nav-item {
    display: flex; align-items: center;
    padding: 0.75rem 1rem;
    font-size: 0.875rem; font-weight: 500;
    border-radius: 0.5rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
    transition: all 0.2s ease;
}
.nav-item:hover { background-color: var(--bg-tertiary); color: var(--text-primary); }
.nav-item.active { background-color: #eff6ff; color: var(--accent-color); font-weight: 600; }
[data-theme="dark"] .nav-item.active { background-color: rgba(59,130,246,0.1); }

.btn-primary {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 0.5rem 1rem;
    background-color: var(--accent-color); color: white;
    font-size: 0.875rem; font-weight: 500; border-radius: 0.5rem;
    transition: all 0.2s ease; border: 1px solid transparent;
}
.btn-primary:hover { background-color: var(--accent-hover); }

.btn-secondary {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 0.5rem 1rem;
    background-color: var(--bg-secondary); color: var(--text-primary);
    font-size: 0.875rem; font-weight: 500; border-radius: 0.5rem;
    transition: all 0.2s ease; border: 1px solid var(--border-color);
}
.btn-secondary:hover { background-color: var(--bg-tertiary); }

.card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    box-shadow: var(--shadow-sm);
}