/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: #f5f7fa; color: #1a1a2e; line-height: 1.6; }

/* === Navbar === */
.navbar { background: #0f3460; color: #fff; display: flex; align-items: center; padding: 0 2rem; height: 56px; position: sticky; top: 0; z-index: 100; }
.nav-brand { font-weight: 700; font-size: 1.1rem; margin-right: 2rem; }
.nav-links { display: flex; gap: 0.25rem; }
.nav-links a { color: #cbd5e1; text-decoration: none; padding: 0.5rem 1rem; border-radius: 6px; font-size: 0.9rem; transition: all 0.2s; }
.nav-links a:hover { background: rgba(255,255,255,0.1); color: #fff; }
.nav-links a.active { background: rgba(255,255,255,0.15); color: #fff; font-weight: 600; }

/* === Container === */
.container { max-width: 1200px; margin: 0 auto; padding: 1.5rem 2rem; }

/* === Typography === */
h1 { font-size: 1.5rem; margin-bottom: 0.5rem; color: #0f3460; }
h2 { font-size: 1.2rem; margin: 1.5rem 0 0.75rem; color: #16213e; }
.subtitle { color: #64748b; margin-bottom: 1.5rem; }

/* === Cards === */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin-bottom: 2rem; }
.card { background: #fff; border-radius: 10px; padding: 1.25rem; box-shadow: 0 1px 3px rgba(0,0,0,0.08); text-align: center; }
.card-number { font-size: 2rem; font-weight: 700; color: #0f3460; }
.card-label { font-size: 0.85rem; color: #64748b; margin-top: 0.25rem; }
.card-detail { font-size: 0.9rem; color: #e94560; margin-top: 0.25rem; font-weight: 600; }
.card-warning { border-left: 4px solid #e94560; }
.card-warning .card-number { color: #e94560; }

/* === Tables === */
table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 10px; overflow: hidden; box-shadow: 0 1px 3px rgba(0,0,0,0.08); margin-bottom: 1.5rem; }
thead { background: #f1f5f9; }
th { padding: 0.75rem 1rem; text-align: left; font-size: 0.8rem; text-transform: uppercase; color: #64748b; font-weight: 600; letter-spacing: 0.5px; }
td { padding: 0.6rem 1rem; border-top: 1px solid #f1f5f9; font-size: 0.9rem; }
tr:hover { background: #f8fafc; }
tr.expired { background: #fef2f2; }
tr.urgent { background: #fffbeb; }
tr.inactive { opacity: 0.5; }
.mono { font-family: 'SF Mono', 'Consolas', monospace; font-size: 0.85rem; }

/* === Badges === */
.badge { display: inline-block; padding: 0.15rem 0.5rem; border-radius: 4px; font-size: 0.75rem; font-weight: 600; background: #e2e8f0; color: #475569; }
.badge-success { background: #dcfce7; color: #166534; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-danger { background: #fecaca; color: #991b1b; }
.badge-info { background: #dbeafe; color: #1e40af; }
.badge-muted { background: #f1f5f9; color: #94a3b8; }

/* === Buttons === */
.btn { display: inline-block; padding: 0.5rem 1.25rem; border: 1px solid #d1d5db; border-radius: 6px; background: #fff; color: #374151; font-size: 0.9rem; cursor: pointer; text-decoration: none; transition: all 0.15s; }
.btn:hover { background: #f9fafb; border-color: #9ca3af; }
.btn-primary { background: #0f3460; color: #fff; border-color: #0f3460; }
.btn-primary:hover { background: #16213e; }
.btn-sm { padding: 0.25rem 0.75rem; font-size: 0.8rem; }

/* === Forms === */
.form { max-width: 800px; }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; color: #374151; margin-bottom: 0.25rem; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 0.5rem 0.75rem; border: 1px solid #d1d5db; border-radius: 6px; font-size: 0.9rem; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: #0f3460; box-shadow: 0 0 0 3px rgba(15,52,96,0.1); }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }
.form-actions { display: flex; gap: 0.75rem; margin-top: 1.5rem; }

/* === Info Box === */
.info-box { background: #f0f9ff; border: 1px solid #bae6fd; border-radius: 8px; padding: 1rem; margin-bottom: 1rem; }
.info-box p { font-size: 0.9rem; margin-bottom: 0.25rem; }

/* === Sessões Grid === */
.sessoes-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 0.75rem; }

/* === Flash Messages === */
.flash-messages { margin-bottom: 1rem; }
.flash { padding: 0.75rem 1rem; border-radius: 6px; font-size: 0.9rem; margin-bottom: 0.5rem; }
.flash-success { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.flash-error { background: #fecaca; color: #991b1b; border: 1px solid #fca5a5; }
.flash-warning { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
.flash-info { background: #dbeafe; color: #1e40af; border: 1px solid #bfdbfe; }

/* === XML Preview === */
.xml-preview { background: #1e293b; color: #e2e8f0; padding: 1.5rem; border-radius: 10px; overflow-x: auto; font-size: 0.8rem; line-height: 1.5; max-height: 70vh; overflow-y: auto; }
.xml-preview code { font-family: 'SF Mono', 'Consolas', monospace; }

/* === Actions === */
.actions { display: flex; gap: 0.75rem; margin-bottom: 1.5rem; }

/* === Utilities === */
.text-muted { color: #94a3b8; }