:root {
    --primary:      #1a5276;
    --primary-dark: #154360;
    --primary-light:#2980b9;
    --accent:       #e67e22;
    --bg:           #f0f3f6;
    --surface:      #ffffff;
    --border:       #d5d8dc;
    --text:         #1c2833;
    --text-muted:   #7f8c8d;
    --success:      #1e8449;
    --danger:       #922b21;
    --shadow:       0 2px 8px rgba(0,0,0,0.10);
    --radius:       6px;
    --font:         'Segoe UI', Arial, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font); background: var(--bg); color: var(--text); min-height: 100vh; display: flex; flex-direction: column; }

/* HEADER */
.app-header { background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: space-between; padding: 0 24px; height: 56px; box-shadow: var(--shadow); }
.header-logo { display: flex; align-items: center; gap: 10px; }
.header-logo img { height: 36px; }
.header-title { font-size: 16px; font-weight: 600; letter-spacing: 0.5px; }
.header-nav { display: flex; align-items: center; gap: 16px; }
.header-user { font-size: 14px; opacity: 0.85; }
.btn-logout { background: rgba(255,255,255,0.15); color: #fff; border: 1px solid rgba(255,255,255,0.3); padding: 5px 14px; border-radius: var(--radius); text-decoration: none; font-size: 13px; transition: background 0.2s; }
.btn-logout:hover { background: rgba(255,255,255,0.25); }

/* LOGIN */
.login-body { background: var(--primary); display: flex; align-items: center; justify-content: center; }
.login-container { background: var(--surface); border-radius: 10px; padding: 40px; width: 360px; box-shadow: 0 8px 32px rgba(0,0,0,0.25); }
.login-logo { text-align: center; margin-bottom: 28px; }
.login-logo img { height: 60px; margin-bottom: 8px; }
.login-logo h1 { font-size: 24px; color: var(--primary); }
.login-logo h1 span { color: var(--accent); }
.login-logo p { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.login-form { display: flex; flex-direction: column; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 13px; font-weight: 600; }
.form-group input { border: 1.5px solid var(--border); border-radius: var(--radius); padding: 9px 12px; font-size: 14px; transition: border-color 0.2s; }
.form-group input:focus { outline: none; border-color: var(--primary-light); }
.btn-login { background: var(--primary); color: #fff; border: none; border-radius: var(--radius); padding: 11px; font-size: 15px; font-weight: 600; cursor: pointer; transition: background 0.2s; margin-top: 4px; }
.btn-login:hover { background: var(--primary-dark); }

/* MENU PRINCIPAL */
.main-menu { flex: 1; display: flex; flex-direction: column; align-items: center; padding: 40px 20px; }
.menu-title { text-align: center; margin-bottom: 36px; }
.menu-title h1 { font-size: 22px; color: var(--primary); font-weight: 700; }
.menu-title h2 { font-size: 16px; color: var(--text-muted); font-weight: 400; margin-top: 4px; }
.menu-grid { display: grid; grid-template-columns: repeat(3, 220px); gap: 28px; justify-content: center; }
.menu-column { background: var(--surface); border-radius: 8px; border: 1px solid var(--border); box-shadow: var(--shadow); overflow: hidden; }
.menu-column-title { background: var(--primary); color: #fff; text-align: center; font-size: 13px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; padding: 10px; }
.menu-buttons { display: flex; flex-direction: column; padding: 12px; gap: 8px; }
.menu-btn { display: block; text-align: center; background: var(--bg); color: var(--primary); border: 1.5px solid var(--primary-light); border-radius: var(--radius); padding: 9px 12px; font-size: 13px; font-weight: 600; text-decoration: none; transition: all 0.18s; }
.menu-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateX(3px); }

/* ALERTAS */
.alert { padding: 10px 14px; border-radius: var(--radius); font-size: 13px; margin-bottom: 14px; }
.alert-error   { background: #fadbd8; color: var(--danger);  border: 1px solid #f1948a; }
.alert-success { background: #d5f5e3; color: var(--success); border: 1px solid #82e0aa; }

/* FOOTER */
.app-footer { text-align: center; padding: 12px; font-size: 12px; color: var(--text-muted); border-top: 1px solid var(--border); background: var(--surface); }

/* TABLAS */
.table-container { background: var(--surface); border-radius: 8px; box-shadow: var(--shadow); overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
thead { background: var(--primary); color: #fff; }
thead th { padding: 11px 14px; text-align: left; font-weight: 600; font-size: 13px; }
tbody tr { border-bottom: 1px solid var(--border); }
tbody tr:hover { background: #eaf2fb; }
tbody td { padding: 9px 14px; }

/* RESPONSIVE */
@media (max-width: 720px) { .menu-grid { grid-template-columns: 1fr; } }

/* ── PÁGINAS INTERNAS ── */
.page-main { flex: 1; padding: 24px; max-width: 1200px; margin: 0 auto; width: 100%; }
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.page-header h1 { font-size: 20px; color: var(--primary); font-weight: 700; }

/* Botones */
.btn { display: inline-block; padding: 8px 16px; border-radius: var(--radius); font-size: 13px; font-weight: 600; text-decoration: none; cursor: pointer; border: none; transition: all 0.18s; }
.btn-primary  { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: #e8f0fe; color: var(--primary); border: 1px solid var(--primary-light); }
.btn-secondary:hover { background: var(--primary); color: #fff; }
.btn-outline  { background: transparent; color: var(--primary); border: 1.5px solid var(--primary-light); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-danger   { background: #fadbd8; color: var(--danger); border: 1px solid #f1948a; }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-sm { padding: 4px 10px; font-size: 12px; }

/* Filtros */
.filtros-form { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 16px; margin-bottom: 16px; }
.filtros-grid { display: flex; flex-wrap: wrap; gap: 12px; align-items: start; }
.filtros-grid .form-group { flex: 1; min-width: 160px; }
.filtros-grid .filtros-btns { flex: 0 0 auto; }

.filtros-btns { display: flex; gap: 8px; }

/* Tabla footer */
.table-footer { padding: 10px 14px; font-size: 12px; color: var(--text-muted); border-top: 1px solid var(--border); background: var(--surface); }
.acciones { display: flex; gap: 6px; white-space: nowrap; }

/* Badges */
.badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 600; background: #e8f0fe; color: var(--primary); }
.badge-green { background: #d5f5e3; color: var(--success); }
.badge-gray  { background: #f0f0f0; color: var(--text-muted); }

/* Formulario */
.form-card { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 24px; box-shadow: var(--shadow); max-width: 860px; margin: 0 auto; 
.form-actions { display: flex; gap: 12px; padding-top: 16px; border-top: 1px solid var(--border); }
.checkbox-label { display: flex; align-items: center; gap: 8px; font-size: 14px; cursor: pointer; margin-top: 8px; }
select { border: 1.5px solid var(--border); border-radius: var(--radius); padding: 9px 12px; font-size: 14px; width: 100%; background: #fff; }
select:focus { outline: none; border-color: var(--primary-light); }

/* VER registro */
.ver-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.ver-row { display: flex; flex-direction: column; gap: 3px; }
.ver-row.span2 { grid-column: span 2; }
.ver-label { font-size: 11px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.section-title { font-size: 15px; font-weight: 700; color: var(--primary); margin-bottom: 16px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
textarea { border: 1.5px solid var(--border); border-radius: var(--radius); padding: 9px 12px; font-size: 14px; width: 100%; font-family: var(--font); resize: vertical; }
textarea:focus { outline: none; border-color: var(--primary-light); }

/* SQL para status */
.form-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 20px; }
.span2 { grid-column: span 2; }
.span3 { grid-column: span 3; }

a.header-title { color: #fff !important; text-decoration: none; font-size: 16px; font-weight: 600; }

.menu-btn-disabled { 
    opacity: 0.5; 
    cursor: not-allowed; 
    border-style: dashed;
}
.menu-btn-disabled::after { 
    content: " 🚧"; 
    font-size: 11px; 
}
.header-left a { color: #ffffff !important; text-decoration: none !important; }
.app-header a, .app-header a:visited, .app-header a:hover { color: #ffffff !important; text-decoration: none !important; }
table { table-layout: auto; }