/* Base tokens */
:root {
    --primary: #00E1FF;
    --accent: #7C4DFF;
    --radius: 12px;
}

/* Light theme (clean, bright) */
.theme-light {
    --bg: #F9FAFB;           /* page background */
    --bg-2: #FFFFFF;         /* subtle gradient end */
    --text: #0F172A;         /* slate-900 */
    --muted: #64748B;        /* slate-500 */
    --card: #FFFFFF;         /* white cards */
    --border: #E5E7EB;       /* gray-200 */
    --nav-text: #0B1220;     /* dark text on gradient */
}

/* Dark theme */
.theme-dark {
    --bg: #0A0F1F;
    --bg-2: #0E152B;
    --text: #EAF2F9;
    --muted: #9FB3C8;
    --card: rgba(255,255,255,0.04);
    --border: rgba(255,255,255,0.1);
    --nav-text: #FFFFFF;
}

/* Global font */
body, .btn, .form-control, .form-select, .navbar, .card, .table, .alert, h1, h2, h3, h4, h5, h6 {
	font-family: 'Poppins', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif;
}

body.bg-body {
    /* background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%); */
    background: #e5e5e5;
    color: var(--text);
}

/* Sticky footer layout */
html, body { height: 100%; }
body { min-height: 100vh; display: flex; flex-direction: column; }
main { flex: 1 0 auto; }
footer { flex-shrink: 0; margin-top: auto; }

.bg-gradient-primary { background: linear-gradient(90deg, #8B5CF6 0%, #06B6D4 100%); }

.card { background-color: var(--card); border-color: var(--border); border-radius: var(--radius); box-shadow: 0 8px 24px rgba(15, 23, 42, .06); }
.card .card-body { padding: 1.25rem; }
.form-control, .form-select { background-color: rgba(255,255,255,0.02); color: var(--text); border-color: var(--border); border-radius: calc(var(--radius) - 4px); }
.form-label { color: var(--muted); font-weight: 500; }
.form-control::placeholder { color: rgba(127, 148, 170, .7); }
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 .2rem rgba(0,225,255,.2); }

.btn-primary { background-color: var(--primary); border-color: var(--primary); color: #001018; }
.btn-outline-primary { border-color: var(--primary); color: var(--primary); }
.btn-outline-primary:hover { background-color: var(--primary); color: #001018; }

.navbar-dark { box-shadow: 0 6px 18px rgba(15,23,42,.08); position: sticky; top: 0; z-index: 1030; }
.navbar-dark .navbar-brand, .navbar-dark .nav-link { color: var(--nav-text); font-weight: 600; }
.navbar-dark .nav-link { opacity: .9; }
.navbar-dark .nav-link:hover { opacity: 1; }

.table { color: var(--text); }
.table thead th { color: #9fb3c8; border-bottom-color: rgba(255,255,255,0.1); }
.table tbody td { border-top-color: var(--border); }

.alert { border: none; }

/* Buttons polish */
.btn { border-radius: calc(var(--radius) - 6px); }
.btn-lg { border-radius: var(--radius); }
.btn-primary:hover { filter: brightness(0.95); }

/* Typography & utilities */
h1, h2, h3, h4, h5, h6 { color: var(--text); }
.text-muted { color: var(--muted) !important; }

/* Footer */
footer { background: #F3F4F6; color: var(--muted); }

/* Sidebar */
.sidebar { background: var(--card); border-right: 1px solid var(--border); min-height: calc(100vh - 56px); }
.sidebar .sidebar-link { color: var(--text); padding: .6rem .8rem; border-radius: .5rem; }
.sidebar .sidebar-link:hover { background: #F3F4F6; color: var(--text); }
.sidebar .nav .nav-link.active, .sidebar .sidebar-link.active { background: linear-gradient(90deg, var(--accent), var(--primary)); color: #001018; font-weight: 600; }