/* ============================================================
   CONSERVATORIO DEL TOLIMA — Layout Interior (app.css)
   Header + Sidebar + Body + Footer — Full Responsive
   ============================================================ */

:root {
  --sidebar-w:        260px;
  --sidebar-collapsed: 70px;
  --header-h:         64px;
  --ct-primary:       #2EC4B6;
  --ct-primary-dark:  #1a9e92;
  --ct-secondary:     #1a3a4a;
  --ct-gold:          #c9a84c;
  --ct-dark:          #1e2d38;
  --ct-text:          #555;
  --ct-text-light:    #999;
  --ct-white:         #ffffff;
  --ct-bg:            #f0f4f8;
  --ct-bg-light:      #f7f9fc;
  --ct-border:        #e3e8ef;
  --ct-shadow:        0 4px 20px rgba(30,45,56,.10);
  --ct-radius:        8px;
  --font-heading:     'Roboto Slab', 'Georgia', serif;
  --font-body:        'Roboto', 'Segoe UI', sans-serif;
  --transition:       all .28s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body.app-body {
  font-family: var(--font-body);
  background: var(--ct-bg);
  color: var(--ct-text);
  font-size: 14px;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ============================================================
   APP HEADER
   ============================================================ */
.app-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: var(--ct-white);
  border-bottom: 1px solid var(--ct-border);
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
  z-index: 1040;
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 16px;
}
.app-header .header-brand {
  display: flex; align-items: center; gap: 12px;
  width: var(--sidebar-w);
  flex-shrink: 0;
  text-decoration: none;
  transition: var(--transition);
}
.app-header .header-brand img { height: 38px; }
.app-header .brand-text .brand-name {
  font-family: var(--font-heading);
  font-size: 13px; font-weight: 700;
  color: var(--ct-secondary);
  display: block; line-height: 1.2;
}
.app-header .brand-text .brand-sub {
  font-size: 10px; color: var(--ct-primary);
  text-transform: uppercase; letter-spacing: 1px;
}
.app-header .sidebar-toggle {
  background: none; border: none;
  width: 38px; height: 38px;
  border-radius: var(--ct-radius);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 5px;
  cursor: pointer; transition: var(--transition); flex-shrink: 0;
}
.app-header .sidebar-toggle:hover { background: rgba(46,196,182,.1); }
.app-header .sidebar-toggle span {
  display: block; width: 20px; height: 2px;
  background: var(--ct-secondary); border-radius: 2px;
  transition: var(--transition);
}
body.sidebar-collapsed .sidebar-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.sidebar-collapsed .sidebar-toggle span:nth-child(2) { opacity: 0; }
body.sidebar-collapsed .sidebar-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.header-breadcrumb {
  flex: 1;
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--ct-text-light);
  overflow: hidden;
}
.header-breadcrumb a { color: var(--ct-text-light); }
.header-breadcrumb a:hover { color: var(--ct-primary); }
.header-breadcrumb .sep { color: var(--ct-border); }
.header-breadcrumb .current { color: var(--ct-dark); font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.header-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.header-icon-btn {
  position: relative;
  width: 38px; height: 38px;
  border-radius: var(--ct-radius);
  background: none; border: none;
  display: flex; align-items: center; justify-content: center;
  color: var(--ct-text); font-size: 16px;
  cursor: pointer; transition: var(--transition);
  text-decoration: none;
}
.header-icon-btn:hover { background: var(--ct-bg); color: var(--ct-primary); }
.header-icon-btn .badge-dot {
  position: absolute; top: 6px; right: 6px;
  width: 8px; height: 8px; border-radius: 50%;
  background: #e74c3c;
  border: 2px solid var(--ct-white);
}
.header-search {
  position: relative; display: flex; align-items: center;
}
.header-search input {
  background: var(--ct-bg-light);
  border: 1px solid var(--ct-border);
  border-radius: 20px;
  padding: 7px 36px 7px 14px;
  font-size: 13px; color: var(--ct-dark);
  width: 200px; transition: var(--transition);
}
.header-search input:focus { outline: none; border-color: var(--ct-primary); width: 260px; }
.header-search .search-icon {
  position: absolute; right: 12px;
  color: var(--ct-text-light); font-size: 13px;
}
.header-user {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 12px; border-radius: 25px;
  cursor: pointer; transition: var(--transition);
  text-decoration: none;
  background: none; border: none;
}
.header-user:hover { background: var(--ct-bg); }
.header-user .user-avatar {
  width: 34px; height: 34px; border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--ct-primary);
}
.header-user .user-avatar-placeholder {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--ct-primary);
  color: var(--ct-white); font-size: 14px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid var(--ct-primary);
}
.header-user .user-info .user-name {
  font-size: 13px; font-weight: 600; color: var(--ct-dark);
  display: block; line-height: 1.2;
}
.header-user .user-info .user-role {
  font-size: 11px; color: var(--ct-primary);
}

/* ============================================================
   SIDEBAR
   ============================================================ */
.app-sidebar {
  position: fixed;
  top: var(--header-h); left: 0; bottom: 0;
  width: var(--sidebar-w);
  background: var(--ct-secondary);
  overflow-y: auto; overflow-x: hidden;
  z-index: 1030;
  transition: width var(--transition), transform var(--transition);
  scrollbar-width: thin;
  scrollbar-color: rgba(46,196,182,.3) transparent;
  display: flex; flex-direction: column;
}
.app-sidebar::-webkit-scrollbar { width: 4px; }
.app-sidebar::-webkit-scrollbar-thumb { background: rgba(46,196,182,.3); border-radius: 2px; }

body.sidebar-collapsed .app-sidebar { width: var(--sidebar-collapsed); }
body.sidebar-collapsed .app-sidebar .nav-label,
body.sidebar-collapsed .app-sidebar .nav-arrow,
body.sidebar-collapsed .app-sidebar .section-label-sidebar,
body.sidebar-collapsed .app-sidebar .sidebar-user-info { display: none; }
body.sidebar-collapsed .app-sidebar .nav-item-link { justify-content: center; padding: 12px; }
body.sidebar-collapsed .app-sidebar .nav-item-link .nav-icon { margin: 0; }
body.sidebar-collapsed .app-sidebar .nav-submenu { display: none !important; }

body.sidebar-collapsed .sidebar-overlay { display: none; }
.sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 1025;
}

.sidebar-user-card {
  padding: 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  display: flex; align-items: center; gap: 12px;
}
.sidebar-user-card .s-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--ct-primary);
  color: var(--ct-white); font-size: 18px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; border: 2px solid rgba(255,255,255,.2);
}
.sidebar-user-info .s-name {
  font-size: 14px; font-weight: 600; color: var(--ct-white);
}
.sidebar-user-info .s-role {
  font-size: 11px; color: var(--ct-primary);
  text-transform: uppercase; letter-spacing: 1px;
}

.sidebar-nav { padding: 10px 0; flex: 1; }
.section-label-sidebar {
  font-size: 10px; text-transform: uppercase;
  letter-spacing: 2px; color: rgba(255,255,255,.3);
  padding: 16px 16px 6px;
  font-weight: 700;
}

.nav-item-wrap { position: relative; }
.nav-item-link {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 16px;
  color: rgba(255,255,255,.72);
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer; border: none; background: none; width: 100%;
  text-align: left; font-size: 13.5px;
  border-left: 3px solid transparent;
  position: relative; white-space: nowrap;
}
.nav-item-link:hover,
.nav-item-link.active {
  color: var(--ct-white);
  background: rgba(255,255,255,.06);
  border-left-color: var(--ct-primary);
}
.nav-item-link.active { background: rgba(46,196,182,.12); }
.nav-icon {
  font-size: 16px; width: 20px; text-align: center;
  color: rgba(255,255,255,.5); flex-shrink: 0;
  transition: var(--transition);
}
.nav-item-link:hover .nav-icon,
.nav-item-link.active .nav-icon { color: var(--ct-primary); }
.nav-label { flex: 1; }
.nav-arrow {
  font-size: 11px;
  color: rgba(255,255,255,.3);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.nav-item-link.open .nav-arrow { transform: rotate(90deg); color: var(--ct-primary); }

.nav-submenu {
  background: rgba(0,0,0,.15);
  overflow: hidden;
  max-height: 0;
  transition: max-height .3s ease;
}
.nav-submenu.show { max-height: 800px; }
.nav-submenu .nav-item-link {
  padding: 9px 16px 9px 48px;
  font-size: 13px;
  border-left: 3px solid transparent;
}
.nav-sub-submenu { background: rgba(0,0,0,.15); overflow: hidden; max-height: 0; transition: max-height .3s ease; }
.nav-sub-submenu.show { max-height: 400px; }
.nav-sub-submenu .nav-item-link { padding-left: 64px; font-size: 12.5px; }

.sidebar-footer {
  padding: 14px 16px;
  border-top: 1px solid rgba(255,255,255,.08);
}
.sidebar-footer a {
  display: flex; align-items: center; gap: 10px;
  color: rgba(255,255,255,.55); font-size: 13px;
  padding: 8px 0; transition: var(--transition);
}
.sidebar-footer a:hover { color: var(--ct-primary); }

body.sidebar-collapsed .nav-item-wrap:hover::after {
  content: attr(data-tooltip);
  position: absolute; left: calc(var(--sidebar-collapsed) + 8px);
  top: 50%; transform: translateY(-50%);
  background: var(--ct-dark);
  color: var(--ct-white);
  font-size: 12px; padding: 6px 12px;
  border-radius: var(--ct-radius);
  white-space: nowrap; z-index: 9999;
  box-shadow: var(--ct-shadow);
  pointer-events: none;
}

/* ============================================================
   MAIN CONTENT AREA
   ============================================================ */
.app-main {
  margin-left: var(--sidebar-w);
  margin-top: var(--header-h);
  min-height: calc(100vh - var(--header-h));
  transition: margin-left var(--transition);
  display: flex; flex-direction: column;
}
body.sidebar-collapsed .app-main { margin-left: var(--sidebar-collapsed); }

.page-content {
  padding: 28px;
  flex: 1;
}

.page-header {
  background: var(--ct-white);
  border-radius: var(--ct-radius);
  padding: 20px 24px;
  margin-bottom: 24px;
  box-shadow: var(--ct-shadow);
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
}
.page-header h1 {
  font-family: var(--font-heading);
  font-size: 1.4rem; color: var(--ct-dark);
  margin: 0;
}
.page-header .breadcrumb {
  background: none; padding: 0; margin: 0;
  font-size: 12px; color: var(--ct-text-light);
}
.page-header .breadcrumb-item + .breadcrumb-item::before { color: var(--ct-border); }
.page-header .breadcrumb-item a { color: var(--ct-primary); }

.content-card {
  background: var(--ct-white);
  border-radius: var(--ct-radius);
  box-shadow: var(--ct-shadow);
  margin-bottom: 24px;
}
.content-card .card-header-ct {
  padding: 18px 24px;
  border-bottom: 1px solid var(--ct-border);
  display: flex; align-items: center; justify-content: space-between;
}
.content-card .card-header-ct h4 {
  font-size: 15px; color: var(--ct-dark); margin: 0;
  display: flex; align-items: center; gap: 8px;
}
.content-card .card-header-ct h4 i { color: var(--ct-primary); }
.content-card .card-body-ct { padding: 24px; }

/* ============================================================
   APP FOOTER
   ============================================================ */
.app-footer {
  background: var(--ct-white);
  border-top: 1px solid var(--ct-border);
  padding: 14px 28px;
  font-size: 12px;
  color: var(--ct-text-light);
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 8px;
}
.app-footer a { color: var(--ct-primary); }
.app-footer a:hover { color: var(--ct-primary-dark); }

/* ============================================================
   BANNERS / HERO INTERIOR
   ============================================================ */
.page-banner {
  background: linear-gradient(135deg, var(--ct-secondary) 0%, var(--ct-primary-dark) 100%);
  padding: 40px 28px;
  margin: -28px -28px 28px;
  color: var(--ct-white);
  position: relative;
  overflow: hidden;
}
.page-banner::after {
  content: '';
  position: absolute; right: -40px; top: -40px;
  width: 280px; height: 280px; border-radius: 50%;
  background: rgba(255,255,255,.04);
  pointer-events: none;
}
.page-banner h1 { color: var(--ct-white); font-size: 1.6rem; margin-bottom: 6px; }
.page-banner .banner-subtitle { color: rgba(255,255,255,.75); font-size: 14px; }
.page-banner .breadcrumb { background: none; padding: 0; margin-top: 10px; }
.page-banner .breadcrumb-item { color: rgba(255,255,255,.6); font-size: 12px; }
.page-banner .breadcrumb-item a { color: rgba(255,255,255,.8); }
.page-banner .breadcrumb-item.active { color: rgba(255,255,255,.9); }
.page-banner .breadcrumb-item + .breadcrumb-item::before { color: rgba(255,255,255,.4); }

/* ============================================================
   TABLA ADMIN — .table-ct
   Usada en todos los listados del panel administrativo
   ============================================================ */
.table-ct {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  color: var(--ct-text);
}
.table-ct thead {
  background: var(--ct-bg-light);
  border-bottom: 2px solid var(--ct-border);
}
.table-ct thead th {
  padding: 11px 16px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: var(--ct-dark);
  white-space: nowrap;
  text-align: left;
}
.table-ct thead th.text-center,
.table-ct thead th[data-align="center"] { text-align: center; }
.table-ct tbody tr {
  border-bottom: 1px solid var(--ct-border);
  transition: background .15s;
}
.table-ct tbody tr:last-child { border-bottom: none; }
.table-ct tbody tr:hover { background: rgba(46,196,182,.035); }
.table-ct tbody td {
  padding: 12px 16px;
  vertical-align: middle;
  color: var(--ct-text);
}
.table-ct tbody td:empty::after {
  content: '—';
  color: var(--ct-text-light);
  font-size: 12px;
}

/* ============================================================
   BOTONES ADMIN — btn-ct / btn-ct-sm / btn-ct-outline / btn-icon-sm
   ============================================================ */

/* Botón primario */
.btn-ct {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 20px;
  background: var(--ct-primary);
  color: var(--ct-white);
  border: 2px solid var(--ct-primary);
  border-radius: 25px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
  white-space: nowrap;
  line-height: 1;
}
.btn-ct:hover {
  background: var(--ct-primary-dark);
  border-color: var(--ct-primary-dark);
  color: var(--ct-white);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(46,196,182,.35);
}
.btn-ct:active { transform: translateY(0); }

/* Botón primario pequeño */
.btn-ct-sm {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 14px;
  background: var(--ct-primary);
  color: var(--ct-white);
  border: 1.5px solid var(--ct-primary);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
  white-space: nowrap;
  line-height: 1;
}
.btn-ct-sm:hover {
  background: var(--ct-primary-dark);
  border-color: var(--ct-primary-dark);
  color: var(--ct-white);
  transform: translateY(-1px);
  box-shadow: 0 3px 8px rgba(46,196,182,.3);
}

/* Botón secundario con borde */
.btn-ct-outline {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 20px;
  background: transparent;
  color: var(--ct-primary);
  border: 2px solid var(--ct-primary);
  border-radius: 25px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
  white-space: nowrap;
  line-height: 1;
}
.btn-ct-outline:hover {
  background: var(--ct-primary);
  color: var(--ct-white);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(46,196,182,.25);
}

/* Botón icono pequeño (acciones en tabla) */
.btn-icon-sm {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 1.5px solid var(--ct-border);
  background: var(--ct-bg-light);
  color: var(--ct-text-light);
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
  flex-shrink: 0;
}
.btn-icon-sm:hover {
  border-color: var(--ct-primary);
  background: rgba(46,196,182,.08);
  color: var(--ct-primary);
  transform: translateY(-1px);
}

/* ============================================================
   BADGES DE ESTADO — usados en tablas
   ============================================================ */
.badge-activo {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  background: rgba(35,164,85,.12);
  color: #23A455;
  white-space: nowrap;
}
.badge-inactivo {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  background: rgba(231,76,60,.1);
  color: #e74c3c;
  white-space: nowrap;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1199px) {
  .header-search input { width: 160px; }
  .header-search input:focus { width: 200px; }
}
@media (max-width: 991px) {
  :root { --sidebar-w: 260px; }
  .app-sidebar {
    transform: translateX(-100%);
    width: var(--sidebar-w) !important;
  }
  body.sidebar-open .app-sidebar { transform: translateX(0); }
  body.sidebar-open .sidebar-overlay { display: block; }
  .app-main { margin-left: 0 !important; }
  .app-header .header-brand { width: auto; }
  .page-banner { padding: 28px 20px; margin: -20px -20px 20px; }
  .page-content { padding: 20px; }
}
@media (max-width: 767px) {
  .header-search { display: none; }
  .header-user .user-info { display: none; }
  .app-footer { flex-direction: column; text-align: center; }
  .page-header { flex-direction: column; align-items: flex-start; }
  .page-content { padding: 14px; }
  .page-banner { padding: 22px 14px; margin: -14px -14px 14px; }
  .table-ct thead th,
  .table-ct tbody td { padding: 10px 12px; }
}
@media (max-width: 480px) {
  .app-header { padding: 0 12px; gap: 8px; }
  .app-header .brand-text { display: none; }
}