:root {
    --lex-primary: #0d6efd;
    --lex-primary-soft: #e9f2ff;
    --lex-surface: #f7f9fc;
    --lex-card: #ffffff;
    --lex-border: #e5e9f2;
    --lex-text: #1f2a3d;
    --lex-muted: #6b7a90;
}

body {
    font-family: "Segoe UI", "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    background: radial-gradient(circle at 20% 20%, rgba(13,110,253,0.06), transparent 35%),
                radial-gradient(circle at 80% 0%, rgba(32,201,151,0.05), transparent 30%),
                var(--lex-surface);
    color: var(--lex-text);
    min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    color: var(--lex-text);
}

/* App shell */
header.navbar {
    border-bottom: 1px solid var(--lex-border);
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(10px);
}
.navbar .navbar-nav .nav-link {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    color: var(--lex-muted);
    border-radius: 10px;
    padding: .45rem .7rem;
    transition: color .15s ease, background-color .15s ease, transform .15s ease;
}
.navbar .navbar-nav .nav-link.active,
.navbar .navbar-nav .nav-link:hover {
    color: var(--lex-primary);
    background: rgba(13,110,253,0.12);
    transform: translateY(-1px);
}
.navbar-brand { color: var(--lex-primary) !important; }

/* Layout containers */
main.container {
    max-width: 1120px;
}

/* Cards */
.card {
    border-radius: 16px;
    border: 1px solid var(--lex-border);
    background: var(--lex-card);
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
    color: var(--lex-text);
}
.card .card-body { color: var(--lex-text); }
.card .card-header {
    background: #f3f6fb;
    color: var(--lex-text);
    border-bottom: 1px solid var(--lex-border);
}

/* Table */
.table {
    color: var(--lex-text);
}
.table thead {
    color: #14233d;
    background: var(--lex-primary-soft);
}
.table-hover tbody tr:hover {
    background: rgba(13,110,253,0.06);
}
.table-light {
    color: #14233d;
    background: var(--lex-primary-soft);
}

/* Forms */
.form-control, .form-select, textarea {
    background: #fff;
    border: 1px solid var(--lex-border);
    color: var(--lex-text);
    border-radius: 12px;
}
.form-control:focus, .form-select:focus, textarea:focus {
    box-shadow: 0 0 0 0.2rem rgba(13,110,253,0.18);
    border-color: rgba(13,110,253,0.55);
}
label.form-label {
    color: #0f172a;
    font-weight: 600;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--lex-primary), #5b9bff);
    border: none;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(13,110,253,0.2);
}
.btn-primary:hover { filter: brightness(1.05); }
.btn-outline-primary {
    color: var(--lex-primary);
    border-color: rgba(13,110,253,0.5);
    background: rgba(13,110,253,0.08);
    border-radius: 12px;
}
.btn-outline-primary:hover {
    color: #fff;
    background: var(--lex-primary);
}
.btn-secondary {
    background: #eef2f7;
    border: 1px solid var(--lex-border);
    color: var(--lex-text);
    border-radius: 12px;
}

/* Pills / badges */
.badge.bg-primary { background-color: var(--lex-primary) !important; }
.badge.bg-secondary { background: #eef2f7 !important; color: var(--lex-text); }
.badge.bg-info { background: #66d4ff !important; color: #0b1524 !important; }
.badge.bg-warning { background: #ffd479 !important; color: #0b1524 !important; }
.badge.bg-dark { background: #14233d !important; }

/* Footer */
footer.bg-dark {
    background: #0f172a !important;
    border-top: 1px solid var(--lex-border);
}

/* Dashboard cards hover */
.dashboard-stat {
    transition: transform .12s ease, box-shadow .12s ease;
}
.dashboard-stat:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.12);
}

/* Utilities */
.text-muted { color: var(--lex-muted) !important; }
.card .table { margin-bottom: 0; }
.bg-light { background-color: #f7f9fc !important; }

/* FullCalendar tweaks */
.fc .fc-toolbar.fc-header-toolbar {
    flex-wrap: wrap;
    row-gap: 8px;
}
.fc .fc-toolbar-title {
    font-size: 1.1rem;
}
.fc .fc-button {
    border-radius: 10px;
    padding: 0.35rem 0.65rem;
    border: 1px solid var(--lex-border);
    background: #eef2f7;
    color: var(--lex-text);
}
.fc .fc-button-primary:not(:disabled):hover {
    background: var(--lex-primary);
    color: #fff;
}
.fc .fc-daygrid-day-frame {
    min-height: 68px;
}
.fc .fc-scroller {
    overflow: visible !important;
}
.fc .fc-day-today {
    background: rgba(13,110,253,0.12);
}

@media (max-width: 768px) {
    .fc .fc-toolbar-title {
        font-size: 1rem;
    }
    .fc .fc-button {
        padding: 0.3rem 0.5rem;
        font-size: 0.9rem;
    }
    #dashboard-calendar {
        min-height: 360px;
    }
}