:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --bg: #f1f5f9;
    --card-bg: #ffffff;
}

body { background: var(--bg); }

/* Navbar */
.navbar { box-shadow: 0 2px 12px rgba(0,0,0,.08); }
.navbar-brand { font-weight: 700; letter-spacing: -.5px; }

@media (min-width: 992px) {
    .border-lg-0 { border: 0 !important; }
    .pt-lg-0 { padding-top: 0 !important; }
}
.nav-link { font-weight: 500; }

/* Cards */
.card { border: none; border-radius: .75rem; box-shadow: 0 4px 20px rgba(0,0,0,.06); transition: box-shadow .2s; }
.card:hover { box-shadow: 0 8px 30px rgba(0,0,0,.1); }
.card-body { padding: 2rem; }
.card-header-custom { background: linear-gradient(135deg, var(--primary), #7c3aed); color: #fff; border-radius: .75rem .75rem 0 0 !important; padding: 1rem 1.5rem; }
.card-header-custom h5 { margin: 0; font-weight: 600; }

/* Section headers */
.section-title { font-weight: 700; color: #1e293b; margin-bottom: 1rem; font-size: 1.25rem; }
.section-header { font-weight: 600; color: #1e293b; font-size: 1.1rem; margin-bottom: 1.25rem; padding-bottom: .5rem; border-bottom: 2px solid #e2e8f0; display: flex; align-items: center; gap: .5rem; }
.section-header i { color: var(--primary); }

/* Tables */
.table { margin-bottom: 0; }
.table thead th { background: #f8fafc; color: #64748b; font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .5px; border-bottom: 2px solid #e2e8f0; }
.table tbody td { vertical-align: middle; color: #334155; padding: .75rem 1rem; }
.badge-status { padding: .35em .65em; border-radius: .375rem; font-weight: 500; font-size: .8rem; }

/* Forms */
.form-control, .form-select { border-radius: .5rem; border: 1px solid #e2e8f0; padding: .5rem .875rem; }
.form-control:focus, .form-select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79,70,229,.15); }
.form-label { font-weight: 500; color: #475569; font-size: .875rem; margin-bottom: .375rem; }
.form-check-input:checked { background-color: var(--primary); border-color: var(--primary); }

/* Buttons */
.btn-primary { background: var(--primary); border: none; border-radius: .5rem; font-weight: 500; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-outline-primary { color: var(--primary); border-color: var(--primary); border-radius: .5rem; font-weight: 500; }
.btn-outline-primary:hover { background: var(--primary); border-color: var(--primary); }
.btn-outline-secondary { border-radius: .5rem; }
.btn-success { background: #10b981; border: none; border-radius: .5rem; font-weight: 600; padding: .5rem 1.5rem; }
.btn-success:hover { background: #059669; }
.btn-warning { background: #f59e0b; border: none; border-radius: .5rem; font-weight: 600; color: #fff; padding: .5rem 1.5rem; }
.btn-warning:hover { background: #d97706; color: #fff; }
.btn-secondary { border-radius: .5rem; font-weight: 500; }

/* Utilities */
.token-display { background: #f8fafc; border: 1px solid #e2e8f0; border-radius: .5rem; padding: .75rem 1rem; font-family: 'SFMono-Regular', monospace; font-size: .85rem; color: #334155; word-break: break-all; }
.content-wrapper { padding: 2rem 0; }
.alert { border: none; border-radius: .5rem; }
.form-section { margin-bottom: 1.75rem; }
.form-section:last-of-type { margin-bottom: 0; }

/* Login */
.login-card { border: none; border-radius: 1rem; box-shadow: 0 10px 40px rgba(0,0,0,.08); overflow: hidden; max-width: 420px; width: 100%; }
.login-header { background: linear-gradient(135deg, var(--primary), #7c3aed); color: #fff; padding: 2rem 2rem 1.5rem; text-align: center; }
.login-header h2 { font-weight: 700; margin-bottom: .25rem; }
.login-header p { opacity: .85; margin: 0; font-size: .9rem; }
.login-body { padding: 2rem; }