/* SignoCampus Secretaría Virtual — app.css v1.3 */
:root {
  --primary:       #004653;
  --primary-light: #005e70;
  --primary-dark:  #003440;
  --secondary:     #282828;
  --accent:        #00c4a0;
  --accent-soft:   rgba(0,196,160,.12);
  --danger:        #e53935;
  --warning:       #f9a825;
  --success:       #2e7d32;
  --info:          #0277bd;
  --bg:            #f4f6f8;
  --card-bg:       #ffffff;
  --sidebar-bg:    #004653;
  --sidebar-width: 260px;
  --topbar-h:      60px;
  --text-dark:     #1a1a1a;
  --text-mid:      #555;
  --text-light:    #888;
  --border:        #e0e6ea;
  --radius:        12px;
  --radius-sm:     8px;
  --shadow:        0 2px 16px rgba(0,70,83,.10);
  --shadow-lg:     0 8px 32px rgba(0,70,83,.16);
  --font-main:     'Nunito', sans-serif;
  --transition:    .2s cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-main); background: var(--bg); color: var(--text-dark); min-height: 100vh; overflow-x: hidden; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; display: block; }

/* ── Layout ─────────────────────────────────────────────────── */
.sc-wrapper { display: flex; min-height: 100vh; }

/* ── Sidebar ─────────────────────────────────────────────────── */
.sc-sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 1000;
  overflow-y: auto;
  overflow-x: hidden;
  transition: transform .25s ease;
  -webkit-overflow-scrolling: touch;
}
.sc-sidebar__logo {
  padding: 24px 20px 18px;
  border-bottom: 1px solid rgba(255,255,255,.12);
  display: flex; align-items: center; gap: 12px;
  flex-shrink: 0;
}
.sc-sidebar__logo-icon {
  width: 40px; height: 40px;
  background: var(--accent); border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 900; color: var(--primary-dark);
  flex-shrink: 0;
}
.sc-sidebar__logo-text { font-size: .82rem; font-weight: 800; color: rgba(255,255,255,.95); line-height: 1.2; }
.sc-sidebar__logo-sub  { font-size: .67rem; color: rgba(255,255,255,.45); }
.sc-sidebar__user {
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255,255,255,.1);
  display: flex; align-items: center; gap: 12px;
  flex-shrink: 0;
}
.sc-sidebar__avatar {
  width: 40px; height: 40px; border-radius: 50%;
  object-fit: cover; border: 2px solid var(--accent);
  background: var(--primary-dark); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: .82rem;
}
.sc-sidebar__uname { font-size: .82rem; font-weight: 700; color: #fff; line-height: 1.2; }
.sc-sidebar__urole { font-size: .67rem; color: rgba(255,255,255,.45); }
.sc-sidebar__nav { flex: 1; padding: 12px 0 16px; overflow-y: auto; }
.sc-sidebar__section-title {
  font-size: .60rem; font-weight: 800; letter-spacing: .12em;
  color: rgba(255,255,255,.3); text-transform: uppercase;
  padding: 14px 20px 5px;
}
.sc-sidebar__link {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 20px; color: rgba(255,255,255,.68);
  font-size: .84rem; font-weight: 600;
  transition: background var(--transition), color var(--transition);
  position: relative; cursor: pointer; text-decoration: none;
  border: none; background: none; width: 100%; text-align: left;
}
.sc-sidebar__link:hover, .sc-sidebar__link.active {
  background: rgba(255,255,255,.09); color: #fff;
}
.sc-sidebar__link.active::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; background: var(--accent); border-radius: 0 3px 3px 0;
}
.sc-sidebar__link .icon { width: 18px; font-size: 15px; text-align: center; opacity: .8; flex-shrink: 0; }
.sc-sidebar__badge {
  margin-left: auto; background: var(--accent); color: var(--primary-dark);
  font-size: .6rem; font-weight: 800; padding: 2px 6px;
  border-radius: 20px; min-width: 18px; text-align: center;
}

/* ── Topbar ──────────────────────────────────────────────────── */
.sc-topbar {
  position: fixed; top: 0;
  left: var(--sidebar-width); right: 0;
  height: var(--topbar-h);
  background: #fff;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 20px; gap: 12px;
  z-index: 900;
  box-shadow: 0 1px 8px rgba(0,70,83,.06);
}
.sc-topbar__title { font-size: 1rem; font-weight: 800; color: var(--secondary); flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin: 0 8px; }
.sc-topbar__actions { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
.sc-topbar__btn {
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--border); background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 14px; color: var(--text-mid);
  transition: all var(--transition); position: relative;
  text-decoration: none;
}
.sc-topbar__btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.sc-topbar__notif-dot {
  position: absolute; top: 4px; right: 4px;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--danger); border: 2px solid #fff;
}
.sc-topbar__menu-toggle {
  display: none;
  width: 40px; height: 40px;
  min-width: 40px; /* evitar que se achate */
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  align-items: center; justify-content: center;
  cursor: pointer; font-size: 18px;
  color: var(--secondary);
  flex-shrink: 0;
}

/* ── Main ────────────────────────────────────────────────────── */
.sc-main { margin-left: var(--sidebar-width); padding-top: var(--topbar-h); min-height: 100vh; }
.sc-content { padding: 24px; max-width: 1500px; overflow-x: hidden; }

/* ── Cards ───────────────────────────────────────────────────── */
.sc-card {
  background: var(--card-bg); border-radius: var(--radius);
  box-shadow: var(--shadow); border: 1px solid var(--border);
  overflow: hidden; transition: box-shadow var(--transition);
}
.sc-card:hover { box-shadow: var(--shadow-lg); }
.sc-card__header {
  padding: 16px 20px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.sc-card__title { font-size: .9rem; font-weight: 800; color: var(--secondary); }
.sc-card__body  { padding: 20px; }
.sc-card__footer { padding: 14px 20px; background: var(--bg); border-top: 1px solid var(--border); font-size: .78rem; color: var(--text-light); }

/* ── Stat cards ──────────────────────────────────────────────── */
.sc-stat {
  background: var(--card-bg); border-radius: var(--radius);
  padding: 18px 20px; border: 1px solid var(--border);
  box-shadow: var(--shadow); display: flex; align-items: center; gap: 16px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.sc-stat:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.sc-stat__icon {
  width: 48px; height: 48px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; flex-shrink: 0;
}
.sc-stat__icon--primary  { background: rgba(0,70,83,.1);    color: var(--primary); }
.sc-stat__icon--accent   { background: rgba(0,196,160,.12); color: var(--accent); }
.sc-stat__icon--warning  { background: rgba(249,168,37,.12);color: var(--warning); }
.sc-stat__icon--success  { background: rgba(46,125,50,.1);  color: var(--success); }
.sc-stat__icon--danger   { background: rgba(229,57,53,.1);  color: var(--danger); }
.sc-stat__num   { font-size: 1.5rem; font-weight: 900; color: var(--secondary); line-height: 1; }
.sc-stat__label { font-size: .72rem; color: var(--text-light); font-weight: 600; margin-top: 4px; }

/* ── Tablas ──────────────────────────────────────────────────── */
.sc-table { width: 100%; border-collapse: collapse; font-size: .84rem; }
.sc-table thead th {
  background: var(--bg); color: var(--text-mid);
  font-size: .68rem; font-weight: 800; text-transform: uppercase; letter-spacing: .06em;
  padding: 11px 16px; text-align: left; border-bottom: 2px solid var(--border);
  white-space: nowrap;
}
.sc-table tbody td { padding: 13px 16px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.sc-table tbody tr:last-child td { border-bottom: none; }
.sc-table tbody tr:hover { background: rgba(0,70,83,.025); }
.sc-table-responsive { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* ── Botones ──────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 9px 18px; border-radius: var(--radius-sm);
  font-family: var(--font-main); font-size: .84rem; font-weight: 700;
  border: none; cursor: pointer; transition: all var(--transition);
  white-space: nowrap; text-decoration: none; line-height: 1;
}
.btn-primary   { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-light); color: #fff; }
.btn-accent    { background: var(--accent); color: var(--primary-dark); }
.btn-accent:hover { filter: brightness(1.08); }
.btn-secondary { background: var(--bg); color: var(--secondary); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); }
.btn-danger    { background: var(--danger); color: #fff; }
.btn-success   { background: var(--success); color: #fff; }
.btn-sm  { padding: 6px 14px; font-size: .78rem; }
.btn-xs  { padding: 4px 10px; font-size: .72rem; }

/* ── Badges ──────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center;
  padding: 2px 9px; border-radius: 20px;
  font-size: .67rem; font-weight: 800; letter-spacing: .02em;
}
.badge-primary  { background: rgba(0,70,83,.12);    color: var(--primary); }
.badge-accent   { background: rgba(0,196,160,.15);  color: #007a64; }
.badge-success  { background: rgba(46,125,50,.1);   color: var(--success); }
.badge-warning  { background: rgba(249,168,37,.15); color: #c17d00; }
.badge-danger   { background: rgba(229,57,53,.12);  color: var(--danger); }
.badge-secondary{ background: var(--bg); color: var(--text-mid); border: 1px solid var(--border); }

/* ── Formularios ─────────────────────────────────────────────── */
.sc-form-group { margin-bottom: 16px; }
.sc-label { display: block; font-size: .77rem; font-weight: 700; color: var(--text-mid); margin-bottom: 5px; }
.sc-input, .sc-select, .sc-textarea {
  width: 100%; padding: 9px 13px;
  border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  font-family: var(--font-main); font-size: .84rem; color: var(--text-dark);
  background: #fff; transition: border-color var(--transition), box-shadow var(--transition);
  outline: none; -webkit-appearance: none; appearance: none;
}
.sc-input:focus, .sc-select:focus, .sc-textarea:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px rgba(0,70,83,.1);
}
.sc-textarea { resize: vertical; min-height: 90px; }
.sc-select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888' stroke-width='1.5' fill='none'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; }

/* ── Alertas ──────────────────────────────────────────────────── */
.sc-alert {
  padding: 13px 16px; border-radius: var(--radius-sm);
  font-size: .84rem; display: flex; align-items: flex-start; gap: 10px;
  margin-bottom: 16px; border-left: 4px solid;
}
.sc-alert--success { background: rgba(46,125,50,.08);  border-color: var(--success); color: #1b5e20; }
.sc-alert--danger  { background: rgba(229,57,53,.08);  border-color: var(--danger);  color: #b71c1c; }
.sc-alert--warning { background: rgba(249,168,37,.1);  border-color: var(--warning); color: #7c5200; }
.sc-alert--info    { background: rgba(2,119,189,.08);  border-color: var(--info);    color: #01579b; }

/* ── Avatar ──────────────────────────────────────────────────── */
.avatar {
  border-radius: 50%; object-fit: cover; background: var(--primary);
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; flex-shrink: 0;
}
.avatar-sm { width: 32px; height: 32px; font-size: .7rem; }
.avatar-md { width: 44px; height: 44px; font-size: .88rem; }
.avatar-lg { width: 72px; height: 72px; font-size: 1.4rem; }
.avatar-xl { width: 96px; height: 96px; font-size: 1.8rem; }

/* ── Tabs ────────────────────────────────────────────────────── */
.sc-tabs { display: flex; gap: 2px; border-bottom: 2px solid var(--border); margin-bottom: 20px; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.sc-tab {
  padding: 9px 16px; font-size: .82rem; font-weight: 700; color: var(--text-light);
  cursor: pointer; border: none; background: none; font-family: var(--font-main);
  border-bottom: 2px solid transparent; margin-bottom: -2px; white-space: nowrap;
  transition: color var(--transition); display: flex; align-items: center; gap: 6px;
}
.sc-tab:hover { color: var(--primary); }
.sc-tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ── Progress ────────────────────────────────────────────────── */
.sc-progress { background: var(--bg); border-radius: 20px; height: 7px; overflow: hidden; }
.sc-progress__bar { height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 20px; transition: width .6s ease; }

/* ── Modales ─────────────────────────────────────────────────── */
.sc-modal-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 2000;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 16px 16px;
  overflow-y: auto;
}
.sc-modal-overlay.open { display: flex; }
.sc-modal {
  background: #fff; border-radius: var(--radius);
  width: 100%; max-width: 540px;
  box-shadow: var(--shadow-lg);
  animation: modalIn .22s ease;
  position: relative;
  /* CRÍTICO: el modal no debe ser clickable en el área del overlay */
  align-self: flex-start;
  margin: auto;
}
@keyframes modalIn { from { opacity:0; transform: translateY(-16px) scale(.97); } }
.sc-modal__header {
  padding: 18px 20px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
}
.sc-modal__title  { font-size: .92rem; font-weight: 800; color: var(--secondary); }
.sc-modal__close  {
  background: none; border: none; cursor: pointer;
  font-size: 22px; color: var(--text-light); padding: 4px 8px;
  line-height: 1; border-radius: 4px; transition: background var(--transition);
  /* CRÍTICO: asegurar que el botón es clickeable */
  position: relative; z-index: 1;
}
.sc-modal__close:hover { background: var(--bg); color: var(--text-dark); }
.sc-modal__body   { padding: 20px; }
.sc-modal__footer { padding: 14px 20px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; }

/* ── Búsqueda ────────────────────────────────────────────────── */
.sc-search { position: relative; }
.sc-search input { padding-left: 36px; border-radius: 20px; background: var(--bg); border-color: transparent; }
.sc-search input:focus { border-color: var(--primary); }
.sc-search__icon { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); color: var(--text-light); font-size: 13px; pointer-events: none; }

/* ── Login ───────────────────────────────────────────────────── */
.sc-login-page {
  min-height: 100vh; background: var(--secondary);
  display: flex; align-items: center; justify-content: center;
  padding: 16px; position: relative; overflow: hidden;
}
.sc-login-page::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 30% 60%, rgba(0,70,83,.6) 0%, transparent 70%);
}
.sc-login-card {
  background: #fff; border-radius: var(--radius);
  padding: 40px 32px; width: 100%; max-width: 400px;
  box-shadow: 0 20px 60px rgba(0,0,0,.4); position: relative; z-index: 1;
}
.sc-login-logo { display: flex; flex-direction: column; align-items: center; margin-bottom: 28px; gap: 10px; }
.sc-login-logo__icon { width: 60px; height: 60px; background: var(--primary); border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 26px; color: var(--accent); font-weight: 900; }
.sc-login-logo__name { font-size: 1.15rem; font-weight: 900; color: var(--secondary); }
.sc-login-logo__sub  { font-size: .76rem; color: var(--text-light); margin-top: -6px; }
.sc-login-hint { font-size: .75rem; color: var(--text-light); text-align: center; margin-top: 18px; }

/* ── Certificados ────────────────────────────────────────────── */
.cert-card { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 14px 18px; display: flex; align-items: center; gap: 14px; transition: all var(--transition); }
.cert-card:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.cert-card__icon { width: 44px; height: 44px; border-radius: 10px; background: rgba(229,57,53,.1); color: var(--danger); display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0; }
.cert-card__name { font-weight: 700; font-size: .86rem; color: var(--secondary); }
.cert-card__meta { font-size: .71rem; color: var(--text-light); margin-top: 2px; }

/* ── Empty state ─────────────────────────────────────────────── */
.sc-empty { text-align: center; padding: 40px 20px; color: var(--text-light); }
.sc-empty__icon  { font-size: 40px; margin-bottom: 14px; opacity: .4; }
.sc-empty__title { font-size: .92rem; font-weight: 700; color: var(--text-mid); margin-bottom: 6px; }
.sc-empty__text  { font-size: .8rem; }

/* ── Spinner ─────────────────────────────────────────────────── */
.sc-spinner { width: 32px; height: 32px; border-radius: 50%; border: 3px solid var(--border); border-top-color: var(--primary); animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Toast ───────────────────────────────────────────────────── */
#sc-toast-container { position: fixed; bottom: 20px; right: 20px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; pointer-events: none; }
.sc-toast { background: var(--secondary); color: #fff; padding: 11px 18px; border-radius: var(--radius-sm); font-size: .82rem; font-weight: 600; box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 10px; pointer-events: all; animation: toastIn .3s ease; max-width: 300px; }
.sc-toast.success { border-left: 4px solid var(--accent); }
.sc-toast.error   { border-left: 4px solid var(--danger); }
@keyframes toastIn { from { opacity:0; transform: translateX(20px); } }

/* ════════════════════════════════════════════════════════════════
   RESPONSIVE — Mobile first
   ════════════════════════════════════════════════════════════════ */

/* Tablet y móvil: sidebar oculto por defecto */
@media (max-width: 991px) {
  :root { --sidebar-width: 0px; }

  .sc-sidebar {
    width: 260px;
    transform: translateX(-100%);
    box-shadow: none;
    z-index: 1050;
  }
  .sc-sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 24px rgba(0,0,0,.3);
  }

  .sc-main { margin-left: 0; }
  .sc-topbar { left: 0; }
  .sc-topbar__menu-toggle { display: flex !important; }
  #sc-sidebar-close { display: flex !important; }

  .sc-topbar { padding: 0 12px; gap: 8px; }
  .sc-content { padding: 16px; }

  /* Overlay sidebar */
  #sc-sidebar-overlay {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,0,0,.45);
    z-index: 1040;
    opacity: 0;
    transition: opacity .25s;
  }
  #sc-sidebar-overlay.active { display: block; opacity: 1; }
}

/* Móvil pequeño */
@media (max-width: 575px) {
  .sc-content { padding: 12px; }

  .sc-stat { padding: 14px 16px; gap: 12px; }
  .sc-stat__icon { width: 42px; height: 42px; font-size: 17px; }
  .sc-stat__num  { font-size: 1.25rem; }

  .sc-login-card { padding: 28px 18px; }

  .sc-modal { margin: 8px; }
  .sc-modal__body { padding: 14px; }
  .sc-modal__footer { padding: 12px 14px; }

  /* Tabla cards en móvil */
  .sc-table-responsive table,
  .sc-table-responsive thead,
  .sc-table-responsive tbody,
  .sc-table-responsive th,
  .sc-table-responsive td,
  .sc-table-responsive tr { display: block; }
  .sc-table thead tr { position: absolute; top: -9999px; left: -9999px; }
  .sc-table tbody tr { border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 10px; background: #fff; }
  .sc-table tbody td {
    border: none; border-bottom: 1px solid var(--border);
    position: relative; padding-left: 45%;
    min-height: 40px; display: flex; align-items: center;
    font-size: .82rem;
  }
  .sc-table tbody td:last-child { border-bottom: none; }
  .sc-table tbody td::before {
    content: attr(data-label);
    position: absolute; left: 12px; width: 40%;
    font-weight: 700; font-size: .72rem; color: var(--text-mid);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  }

  /* Grids en móvil — todos los grids inline colapsan a 1 columna */
  [style*="grid-template-columns"] { grid-template-columns: 1fr !important; }
  /* Flex wraps en móvil */
  [style*="display:grid"], [style*="display: grid"] { grid-template-columns: 1fr !important; }

  .sc-topbar__title { font-size: .88rem; }

  /* Ocultar algunos botones de topbar en móvil muy pequeño */
  .sc-topbar__actions .sc-topbar__btn:nth-child(n+3) { display: none; }
  .sc-topbar__actions .sc-topbar__btn:last-child { display: flex; }
}

/* ── Overflow global: textos largos no rompen layout ─────────── */
.sc-card, .sc-card__body, .sc-card__header { min-width: 0; }
.sc-table td, .sc-table th { word-break: break-word; overflow-wrap: anywhere; }
a { overflow-wrap: anywhere; word-break: break-word; }
/* evitar que emails/URLs rompan el layout en cualquier contenedor */
[style*="display:flex"] > *, [style*="display: flex"] > * { min-width: 0; }

/* ── Print ───────────────────────────────────────────────────── */
@media print {
  .sc-sidebar, .sc-topbar, .btn, .sc-tabs, #sc-sidebar-overlay { display: none !important; }
  .sc-main { margin: 0; padding: 0; }
  .sc-content { padding: 0; }
}