/* ============================================================
   Control de Asistencia — Estilos principales
   Diseño: Minimalismo industrial / utilitario refinado
   Tipografía: IBM Plex Sans + Mono
   ============================================================ */

:root {
  --bg:          #0f1117;
  --bg2:         #161820;
  --bg3:         #1d1f2a;
  --border:      #2a2d3a;
  --border2:     #383b4d;
  --text:        #e2e4ed;
  --text2:       #9196aa;
  --text3:       #5c6072;
  --accent:      #4f8ef7;
  --accent-dim:  #1e3a6e;
  --green:       #34d399;
  --green-dim:   #0d3326;
  --red:         #f87171;
  --red-dim:     #3d1515;
  --yellow:      #fbbf24;
  --yellow-dim:  #3d2e08;
  --orange:      #fb923c;
  --orange-dim:  #3d1e08;
  --sidebar-w:   240px;
  --radius:      6px;
  --radius-lg:   10px;
  --font:        'IBM Plex Sans', sans-serif;
  --mono:        'IBM Plex Mono', monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 14px; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Sidebar ---- */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 100;
  transition: transform .25s ease;
}

.sidebar-header {
  padding: 20px 18px 16px;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: .03em;
  color: var(--text);
}

.brand svg { width: 18px; height: 18px; stroke: var(--accent); }

.sidebar-nav {
  flex: 1;
  padding: 12px 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius);
  color: var(--text2);
  font-size: 13px;
  font-weight: 400;
  transition: background .15s, color .15s;
  text-decoration: none;
}

.nav-item svg { width: 15px; height: 15px; flex-shrink: 0; }
.nav-item:hover { background: var(--bg3); color: var(--text); text-decoration: none; }
.nav-item.active { background: var(--accent-dim); color: var(--accent); font-weight: 500; }

.sidebar-footer {
  padding: 14px 14px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  width: 30px; height: 30px;
  background: var(--accent-dim);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 600; color: var(--accent);
  flex-shrink: 0;
}

.user-info { flex: 1; min-width: 0; }
.user-name { font-size: 12px; font-weight: 500; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { font-size: 11px; color: var(--text3); text-transform: capitalize; }

.logout-btn {
  color: var(--text3);
  transition: color .15s;
}
.logout-btn:hover { color: var(--red); }
.logout-btn svg { width: 16px; height: 16px; display: block; }

/* ---- Main Wrapper ---- */
.main-wrapper {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ---- Topbar ---- */
.topbar {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 52px;
  display: flex;
  align-items: center;
  gap: 14px;
  position: sticky;
  top: 0;
  z-index: 50;
}

.menu-toggle {
  background: none; border: none; cursor: pointer;
  color: var(--text2); padding: 4px;
  display: none;
}
.menu-toggle svg { width: 18px; height: 18px; }

.page-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  flex: 1;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ---- Content ---- */
.content {
  padding: 24px;
  flex: 1;
}

/* ---- Alerts ---- */
.alert {
  padding: 10px 14px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid transparent;
}

.alert button {
  margin-left: auto;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  color: inherit;
  opacity: .6;
}

.alert-success { background: var(--green-dim); border-color: var(--green); color: var(--green); }
.alert-error   { background: var(--red-dim);   border-color: var(--red);   color: var(--red);   }
.alert-warning { background: var(--yellow-dim);border-color: var(--yellow);color: var(--yellow);}
.alert-info    { background: var(--accent-dim); border-color: var(--accent);color: var(--accent);}

/* ---- Cards ---- */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 20px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: .03em;
  text-transform: uppercase;
}

/* ---- Stats Grid ---- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
}

.stat-label {
  font-size: 11px;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 8px;
}

.stat-value {
  font-size: 28px;
  font-weight: 600;
  font-family: var(--mono);
  color: var(--text);
  line-height: 1;
}

.stat-sub {
  font-size: 11px;
  color: var(--text3);
  margin-top: 6px;
}

.stat-card.accent .stat-value { color: var(--accent); }
.stat-card.red    .stat-value { color: var(--red); }
.stat-card.green  .stat-value { color: var(--green); }
.stat-card.yellow .stat-value { color: var(--yellow); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background .15s, border-color .15s, color .15s;
  text-decoration: none;
}
.btn svg { width: 14px; height: 14px; }

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover { background: #3b7de8; border-color: #3b7de8; text-decoration: none; color: #fff; }

.btn-secondary {
  background: var(--bg3);
  color: var(--text);
  border-color: var(--border2);
}
.btn-secondary:hover { background: var(--border); text-decoration: none; color: var(--text); }

.btn-danger {
  background: var(--red-dim);
  color: var(--red);
  border-color: var(--red);
}
.btn-danger:hover { background: #5a1e1e; text-decoration: none; color: var(--red); }

.btn-success {
  background: var(--green-dim);
  color: var(--green);
  border-color: var(--green);
}
.btn-success:hover { background: #163d2b; text-decoration: none; color: var(--green); }

.btn-sm { padding: 4px 10px; font-size: 12px; }

/* ---- Forms ---- */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group.full { grid-column: 1 / -1; }

label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text2);
  letter-spacing: .03em;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="time"],
input[type="date"],
input[type="number"],
select,
textarea {
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 8px 12px;
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  transition: border-color .15s;
  width: 100%;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
}

textarea { min-height: 80px; resize: vertical; }

.form-hint {
  font-size: 11px;
  color: var(--text3);
}

.form-error {
  font-size: 11px;
  color: var(--red);
}

/* ---- Tables ---- */
.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

thead tr {
  background: var(--bg3);
  border-bottom: 1px solid var(--border2);
}

th {
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  color: var(--text2);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .05em;
  white-space: nowrap;
}

td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: middle;
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--bg3); }

/* ---- Badges / Estado ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 500;
  font-family: var(--mono);
}

.badge-ok        { background: var(--green-dim);  color: var(--green);  }
.badge-tardia    { background: var(--red-dim);     color: var(--red);    }
.badge-anticipada{ background: var(--orange-dim);  color: var(--orange); }
.badge-ambos     { background: var(--red-dim);     color: var(--red);    }
.badge-sin-horario { background: var(--bg3);       color: var(--text3);  }
.badge-teletrabajo { background: var(--accent-dim);color: var(--accent); }
.badge-inconsistencia { background: var(--yellow-dim); color: var(--yellow); }
.badge-activo    { background: var(--green-dim);   color: var(--green);  }
.badge-inactivo  { background: var(--bg3);         color: var(--text3);  }

/* ---- Filters Bar ---- */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
  align-items: flex-end;
}

.filters select,
.filters input {
  min-width: 160px;
  width: auto;
}

/* ---- Upload Zone ---- */
.upload-zone {
  border: 2px dashed var(--border2);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  cursor: pointer;
  transition: border-color .2s, background .2s;
}

.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.upload-zone svg { width: 32px; height: 32px; stroke: var(--text3); margin-bottom: 12px; }
.upload-zone p { color: var(--text2); font-size: 13px; }
.upload-zone strong { color: var(--accent); }

/* ---- Pagination ---- */
.pagination {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-top: 20px;
  justify-content: flex-end;
}

.pagination a,
.pagination span {
  padding: 5px 10px;
  border-radius: var(--radius);
  font-size: 12px;
  font-family: var(--mono);
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text2);
  text-decoration: none;
}

.pagination a:hover { border-color: var(--accent); color: var(--accent); }
.pagination .current { background: var(--accent-dim); border-color: var(--accent); color: var(--accent); }

/* ---- Mono numbers ---- */
.mono { font-family: var(--mono); }

/* ---- Login ---- */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg);
}

.login-box {
  width: 380px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.login-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 32px;
}

.login-logo svg { width: 22px; height: 22px; stroke: var(--accent); }
.login-logo span { font-size: 15px; font-weight: 600; }

.login-box h2 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 4px;
}

.login-box p {
  color: var(--text2);
  font-size: 13px;
  margin-bottom: 28px;
}

.login-box .form-group { margin-bottom: 16px; }

.login-box .btn { width: 100%; justify-content: center; padding: 10px; margin-top: 8px; }

/* ---- Empty state ---- */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text3);
}
.empty-state svg { width: 40px; height: 40px; stroke: var(--text3); margin: 0 auto 14px; display: block; }
.empty-state h3 { font-size: 15px; font-weight: 500; color: var(--text2); margin-bottom: 8px; }
.empty-state p { font-size: 13px; }

/* ---- Section header ---- */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.section-header h2 { font-size: 15px; font-weight: 600; }

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 20px rgba(0,0,0,.4);
  }
  .main-wrapper {
    margin-left: 0;
  }
  .menu-toggle { display: flex; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .content { padding: 16px; }
}

/* ---- Progress bar ---- */
.progress-bar {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 6px;
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width .3s;
}

/* ---- Divider ---- */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 20px 0;
}

/* ---- Actions group ---- */
.actions { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }

/* ---- Detail rows ---- */
.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.detail-item label {
  display: block;
  font-size: 11px;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 4px;
}

.detail-item span {
  font-size: 14px;
  color: var(--text);
}