:root {
    --bg-primary: #f5f7fa;
    --bg-secondary: #f8fafc;
    --bg-surface: #f1f5f9;
    --bg-card: #ffffff;
    --bg-glass: rgba(255, 255, 255, 0.7);
    --bg-input: #ffffff;
    --bg-nav: rgba(255, 255, 255, 0.9);
    --bg-topbar: #f8fafc;
    --bg-hover: #f3f4f6;
    --bg-sidebar: #ffffff;
    --bg-modal: #ffffff;
    --bg-dropdown: #ffffff;
    --bg-overlay-menu: rgba(255, 255, 255, 0.98);

    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --text-inverse: #ffffff;

    --border-color: #e5e7eb;
    --border-light: rgba(0, 0, 0, 0.05);

    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(0, 0, 0, 0.1);

    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);

    --scrollbar-track: #f1f5f9;
    --scrollbar-thumb: #cbd5e1;
    --scrollbar-thumb-hover: #94a3b8;

    --grid-line: rgba(0, 0, 0, 0.03);
    --glow-color: rgba(99, 102, 241, 0.1);

    --sidebar-bg: #ffffff;
    --sidebar-text: #334155;
    --sidebar-hover: #f1f5f9;
    --sidebar-active: linear-gradient(135deg, #3b82f6, #60a5fa);

    --input-bg: #f1f5f9;
    --tag-bg: #e2e8f0;
    --color-scheme: light;
}

body.dark,
html.dark {
    --bg-primary: #0f0f0f;
    --bg-secondary: #1a1a1a;
    --bg-surface: #212121;
    --bg-card: #1a1a1a;
    --bg-glass: rgba(15, 23, 42, 0.8);
    --bg-input: #2f2f2f;
    --bg-nav: rgba(15, 23, 42, 0.9);
    --bg-topbar: #0a0a1a;
    --bg-hover: rgba(255, 255, 255, 0.05);
    --bg-sidebar: #1a1a1a;
    --bg-modal: #1a1a2e;
    --bg-dropdown: #1e1b4b;
    --bg-overlay-menu: rgba(2, 6, 23, 0.98);

    --text-primary: #ececec;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --text-inverse: #0f172a;

    --border-color: rgba(255, 255, 255, 0.1);
    --border-light: rgba(255, 255, 255, 0.05);

    --glass-bg: rgba(15, 23, 42, 0.4);
    --glass-border: rgba(255, 255, 255, 0.08);

    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.15);

    --scrollbar-track: #0f172a;
    --scrollbar-thumb: #334155;
    --scrollbar-thumb-hover: #475569;

    --grid-line: rgba(255, 255, 255, 0.03);
    --glow-color: rgba(79, 70, 229, 0.15);

    --sidebar-bg: #1a1a1a;
    --sidebar-text: #e2e8f0;
    --sidebar-hover: rgba(255, 255, 255, 0.1);
    --sidebar-active: linear-gradient(135deg, #3b82f6, #60a5fa);

    --input-bg: rgba(148, 163, 184, 0.2);
    --tag-bg: rgba(148, 163, 184, 0.25);
    --color-scheme: dark;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
    color-scheme: var(--color-scheme);
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
}

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover);
}

/* ---------- Shared theme-aware UI pieces ---------- */

.profile-dropdown {
    background-color: var(--bg-dropdown) !important;
    border-color: var(--border-color) !important;
    box-shadow: var(--card-shadow);
}

.profile-dropdown a,
.profile-dropdown .profile-dropdown-item {
    color: var(--text-secondary) !important;
}

.profile-dropdown a:hover,
.profile-dropdown .profile-dropdown-item:hover {
    color: var(--text-primary) !important;
    background-color: var(--bg-hover) !important;
}

.profile-dropdown hr {
    border-color: var(--border-color) !important;
}

.profile-dropdown .text-red-400,
.profile-dropdown button.text-red-400 {
    color: #f87171 !important;
}

.profile-dropdown .text-red-400:hover,
.profile-dropdown button.text-red-400:hover {
    color: #fca5a5 !important;
    background-color: var(--bg-hover) !important;
}

.theme-modal-panel {
    background-color: var(--bg-modal) !important;
    border-color: var(--border-color) !important;
    color: var(--text-primary);
}

.theme-modal-panel .text-white,
.theme-modal-panel h3.text-white {
    color: var(--text-primary) !important;
}

.theme-modal-panel .text-gray-400,
.theme-modal-panel .text-slate-400 {
    color: var(--text-secondary) !important;
}

body.dark .theme-modal-panel .text-white,
body.dark .theme-modal-panel h3.text-white {
    color: #ffffff !important;
}

.mobile-menu-bg {
    background-color: var(--bg-overlay-menu) !important;
}

.theme-search-input {
    background-color: var(--input-bg) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color);
}

.theme-search-input::placeholder {
    color: var(--text-muted);
}

.theme-tag-pill {
    background-color: var(--tag-bg) !important;
    color: var(--text-secondary) !important;
    border: 1px solid transparent;
}

.theme-tag-pill:hover {
    color: var(--text-primary) !important;
    border-color: rgba(99, 102, 241, 0.4);
    background-color: rgba(99, 102, 241, 0.15) !important;
}

/* White text must stay white on colored / gradient surfaces */
.keep-white,
.keep-white *,
body:not(.dark) .keep-white,
body:not(.dark) .keep-white * {
    color: #ffffff !important;
}

body:not(.dark) [class*="bg-gradient"] > .text-white,
body:not(.dark) [class*="from-indigo"] > .text-white,
body:not(.dark) [class*="bg-indigo"] > .text-white,
body:not(.dark) [class*="bg-emerald"] > .text-white,
body:not(.dark) [class*="bg-blue-6"] > .text-white,
body:not(.dark) .bg-gradient-to-br .text-white,
body:not(.dark) .bg-gradient-to-r .text-white,
body:not(.dark) [class*="bg-gradient-to"] i.text-white,
body:not(.dark) .rounded-full.bg-blue-600 .text-white,
body:not(.dark) .rounded-full[class*="bg-blue"] .text-white,
body:not(.dark) .rounded-full[class*="bg-indigo"] .text-white,
body:not(.dark) .rounded-xl[class*="bg-gradient"] .text-white,
body:not(.dark) .rounded-xl[class*="from-indigo"] .text-white {
    color: #ffffff !important;
}

.theme-modal-panel a[class*="bg-indigo"],
.theme-modal-panel a[class*="bg-primary"],
.theme-modal-panel a.bg-indigo-600,
body:not(.dark) .theme-modal-panel a[class*="bg-indigo"],
body:not(.dark) .theme-modal-panel a[class*="bg-primary"] {
    color: #ffffff !important;
}

body:not(.dark) .theme-modal-panel a.border,
body:not(.dark) .theme-modal-panel a[class*="border-"] {
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

body:not(.dark) .theme-modal-panel a[class*="border-"]:hover {
    background-color: var(--bg-hover) !important;
}

/* Theme-aware panel cards (dashboard / help / settings) */
.theme-panel-card {
    background: var(--bg-card) !important;
    border-color: var(--border-color) !important;
    color: var(--text-primary);
}

.theme-panel-card .theme-panel-title,
.theme-panel-title {
    color: var(--text-primary) !important;
}

.theme-panel-muted {
    color: var(--text-secondary) !important;
}

.theme-panel-icon-box {
    background: var(--bg-hover) !important;
}