/* =====================================================
   App.css — Interfaz interior LabVault
   Colores institucionales Saint Dominic School
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:opsz,wght@9..40,300;9..40,400;9..40,500;9..40,600&family=DM+Mono:wght@400;500&display=swap');

/* ── Variables institucionales ── */
:root {
  --azul:        #1F2F5B;
  --azul-dark:   #151f3e;
  --azul-light:  #e8ecf5;
  --naranja:     #F29B2C;
  --naranja-dark:#c97d1a;
  --naranja-light:#fdf0db;
  --plomo:       #B4B4B4;
  --plomo-light: #f0f0f0;
  --plomo-dark:  #888888;
  --negro:       #000000;
  --blanco:      #FFFFFF;
  --gris-50:     #F7F7F7;
  --gris-100:    #EFEFEF;
  --gris-200:    #DCDCDC;
  --gris-600:    #5A5A5A;
  --gris-800:    #2A2A2A;
  --rojo:        #B02020;
  --rojo-light:  #FCEAEA;
  --verde:       #2E7D32;
  --verde-light: #EAF4EB;
  --sidebar-w:   230px;
  --topbar-h:    58px;
  --radius:      10px;
  --radius-sm:   6px;
  --shadow:      0 1px 4px rgba(31,47,91,0.08);
  --shadow-md:   0 4px 16px rgba(31,47,91,0.13);
  --font:        'DM Sans', Arial, sans-serif;
  --font-mono:   'DM Mono', monospace;
}


#welcome-screen { display: block; }
#login-overlay  { display: none; }
#app-screen     { display: none; }

/* ══════════════════════════════════════
   WELCOME 
══════════════════════════════════════ */
#welcome-screen {
  position: relative;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ══════════════════════════════════════
   LOGIN OVERLAY (modal sobre el welcome)
══════════════════════════════════════ */
#login-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(4px);
}
#login-overlay.open { display: flex; }

.login-card {
  background: var(--blanco);
  border-radius: 16px;
  padding: 36px 32px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-md);
  animation: modal-in 0.2s ease;
}

.login-logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.login-logo-icon {
  width: 46px; height: 46px;
  background: var(--azul);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.login-logo-title  { font-size: 20px; font-weight: 700; color: var(--azul); font-family: var(--font); }
.login-logo-school { font-size: 12px; color: var(--plomo-dark); font-family: var(--font); }

.login-label { font-size: 12px; font-weight: 500; color: var(--gris-600); margin-bottom: 5px; display: block; font-family: var(--font); }
.login-input {
  width: 100%;
  height: 40px;
  border: 1.5px solid var(--gris-200);
  border-radius: var(--radius-sm);
  padding: 0 12px;
  font-size: 14px;
  font-family: var(--font);
  color: var(--gris-800);
  background: var(--blanco);
  outline: none;
  transition: border-color 0.15s;
  margin-bottom: 14px;
}
.login-input:focus { border-color: var(--azul); }

.login-btn-submit {
  width: 100%;
  height: 42px;
  background: var(--azul);
  color: var(--blanco);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  margin-top: 4px;
  transition: background 0.15s;
  display: flex; align-items: center; justify-content: center; gap: 8px;
}
.login-btn-submit:hover { background: var(--azul-dark); }

.login-error {
  font-size: 12px;
  color: var(--rojo);
  text-align: center;
  margin-top: 10px;
  font-family: var(--font);
  display: none;
}
.login-close {
  position: absolute;
  top: 14px; right: 16px;
  background: none; border: none;
  font-size: 20px; cursor: pointer;
  color: var(--plomo-dark);
  font-family: var(--font);
}
.login-close:hover { color: var(--gris-800); }

/* ══════════════════════════════════════
   APP INTERIOR — institucional
══════════════════════════════════════ */
#app-screen {
  font-family: var(--font);
  font-size: 14px;
  color: var(--gris-800);
  background: var(--gris-50);
  height: 100vh;
  flex-direction: row;
  overflow: hidden;
}
#app-screen.open { display: flex; }

/* ── Sidebar ── */
.lv-sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  background: var(--azul);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.lv-sidebar-logo {
  padding: 18px 16px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  display: flex; align-items: center; gap: 10px;
}
.lv-sidebar-icon {
  width: 36px; height: 36px;
  background: var(--naranja);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 17px; flex-shrink: 0;
}
.lv-sidebar-title { font-size: 15px; font-weight: 700; color: var(--blanco); }
.lv-sidebar-school { font-size: 10px; color: rgba(255,255,255,0.5); margin-top: 1px; }

.lv-nav-section { padding: 14px 10px 4px; }
.lv-nav-label {
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  padding: 0 8px; margin-bottom: 4px;
}
.lv-nav-item {
  display: flex; align-items: center; gap: 9px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer; font-size: 13px;
  color: rgba(255,255,255,0.6);
  transition: all 0.15s;
  margin-bottom: 1px;
  border: 1px solid transparent;
}
.lv-nav-item:hover { background: rgba(255,255,255,0.08); color: var(--blanco); }
.lv-nav-item.active {
  background: rgba(242,155,44,0.18);
  color: var(--blanco);
  border-color: rgba(242,155,44,0.35);
}
.lv-nav-item.active .lv-nav-icon { color: var(--naranja); }
.lv-nav-icon { font-size: 15px; width: 18px; text-align: center; flex-shrink: 0; }

.lv-nav-badge {
  margin-left: auto;
  background: var(--naranja);
  color: var(--blanco);
  font-size: 10px; font-weight: 700;
  padding: 1px 6px; border-radius: 10px;
  min-width: 18px; text-align: center;
  display: none;
}

.lv-sidebar-user {
  margin-top: auto;
  padding: 12px 10px;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex; align-items: center; gap: 10px;
}
.lv-user-avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--naranja);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700;
  color: var(--blanco); flex-shrink: 0;
}
.lv-user-name { font-size: 12px; font-weight: 600; color: var(--blanco); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lv-user-role { font-size: 10px; color: rgba(255,255,255,0.45); }
.lv-btn-logout {
  background: none; border: none;
  color: rgba(255,255,255,0.4); font-size: 16px;
  padding: 4px; border-radius: 4px; cursor: pointer;
  transition: color 0.15s; margin-left: auto;
}
.lv-btn-logout:hover { color: var(--blanco); }

/* ── Main ── */
.lv-main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }

/* ── Topbar ── */
.lv-topbar {
  height: var(--topbar-h);
  background: var(--blanco);
  border-bottom: 1px solid var(--gris-200);
  display: flex; align-items: center; gap: 10px;
  padding: 0 20px; flex-shrink: 0;
}
.lv-topbar-title { font-size: 15px; font-weight: 600; color: var(--azul); }
.lv-lab-badge {
  font-size: 11px; font-weight: 600;
  padding: 3px 10px; border-radius: 20px;
  display: none;
}
.lab-fisica   { background: #e8ecf5; color: var(--azul); }
.lab-quimica  { background: var(--naranja-light); color: var(--naranja-dark); }
.lab-biologia { background: var(--verde-light); color: var(--verde); }
.lab-sas {background: #e3f2fd; color: var(--verde);}
.lab-ciencias-naturales {background: var(--verde-light); color: var(--verde)}
.lv-search {
   max-width: 500px; margin-left: auto;
  position: relative;
}
.lv-search input {
  width: 180px; height: 34px;
  border: 1.5px solid var(--gris-200);
  border-radius: var(--radius-sm);
  padding: 0 10px 0 32px;
  font-size: 13px; font-family: var(--font);
  background: var(--gris-50); color: var(--gris-800);
  outline: none; transition: border-color 0.15s;
}
.lv-search input:focus { border-color: var(--azul); background: var(--blanco); }
.lv-search-icon { position: absolute; left: 9px; top: 50%; transform: translateY(-50%); color: var(--plomo); font-size: 14px; pointer-events: none; }

/* ── Botones ── */
.lv-btn {
  height: 34px; padding: 0 14px;
  border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 500;
  border: 1.5px solid var(--gris-200);
  background: var(--blanco); color: var(--gris-600);
  cursor: pointer; font-family: var(--font);
  transition: all 0.15s;
  display: inline-flex; align-items: center; gap: 6px;
  white-space: nowrap;
}
.lv-btn:hover { background: var(--gris-50); border-color: var(--plomo); }
.lv-btn-primary { background: var(--azul); color: var(--blanco); border-color: var(--azul); }
.lv-btn-primary:hover { background: var(--azul-dark); border-color: var(--azul-dark); }
.lv-btn-naranja { background: var(--naranja); color: var(--blanco); border-color: var(--naranja); }
.lv-btn-naranja:hover { background: var(--naranja-dark); border-color: var(--naranja-dark); }
.lv-btn-sm { height: 28px; padding: 0 10px; font-size: 12px; }

/* ── Contenido ── */
.lv-content { flex: 1; overflow-y: auto; padding: 20px; }

/* ── Vistas ── */
.lv-view { display: none; }
.lv-view.active { display: block; }

/* ── Stats ── */
.lv-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px; margin-bottom: 20px;
}
.lv-stat-card {
  background: var(--blanco);
  border: 1.5px solid var(--gris-100);
  border-radius: var(--radius);
  padding: 16px; box-shadow: var(--shadow);
}
.lv-stat-label { font-size: 11px; color: var(--plomo-dark); font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 6px; }
.lv-stat-value { font-size: 28px; font-weight: 700; color: var(--azul); line-height: 1; }
.lv-stat-sub { font-size: 11px; margin-top: 5px; }
.lv-stat-card.naranja { border-left: 4px solid var(--naranja); }
.lv-stat-card.azul    { border-left: 4px solid var(--azul); }
.lv-stat-card.rojo    { border-left: 4px solid var(--rojo); }
.lv-stat-card.verde   { border-left: 4px solid var(--verde); }

/* ── Alert bar ── */
.lv-alert-bar {
  background: var(--rojo-light);
  border: 1.5px solid #f5c6c6;
  border-radius: var(--radius-sm);
  padding: 10px 14px; font-size: 12px;
  color: var(--rojo); margin-bottom: 16px;
  display: none; align-items: center; gap: 8px;
}

/* ── Section header ── */
.lv-section-header {
  display: flex; align-items: center;
  justify-content: space-between;
  margin-bottom: 12px; gap: 10px;
}
.lv-section-title { font-size: 14px; font-weight: 600; color: var(--azul); }

/* ── Filter pills ── */
.lv-filter-bar { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.lv-pill {
  padding: 4px 12px; border-radius: 20px;
  font-size: 12px; font-weight: 500;
  border: 1.5px solid var(--gris-200);
  cursor: pointer; background: var(--blanco);
  color: var(--gris-600); transition: all 0.15s;
  font-family: var(--font);
}
.lv-pill:hover { border-color: var(--azul); color: var(--azul); }
.lv-pill.active { background: var(--azul-light); color: var(--azul); border-color: var(--azul); }

/* ── Table ── */
.lv-table-wrap {
  background: var(--blanco);
  border: 1.5px solid var(--gris-100);
  border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow);
}
.lv-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.lv-table thead th {
  text-align: left; padding: 10px 14px;
  font-size: 11px; font-weight: 600;
  color: var(--plomo-dark); text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--azul-light);
  border-bottom: 1.5px solid var(--gris-200);
  white-space: nowrap;
}
.lv-table tbody td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--gris-100);
  color: var(--gris-800); vertical-align: middle;
}
.lv-table tbody tr:last-child td { border-bottom: none; }
.lv-table tbody tr:hover td { background: var(--azul-light); }
.td-mono { font-family: var(--font-mono); font-size: 12px; color: var(--plomo-dark); }

/* ── Badges ── */
.lv-badge {
  display: inline-flex; align-items: center;
  padding: 2px 9px; border-radius: 12px;
  font-size: 11px; font-weight: 600; white-space: nowrap;
}
.b-ok          { background: var(--verde-light);    color: var(--verde); }
.b-low         { background: var(--naranja-light);  color: var(--naranja-dark); }
.b-critical    { background: var(--rojo-light);     color: var(--rojo); }
.b-prestado    { background: var(--azul-light);     color: var(--azul); }
.b-devuelto    { background: var(--gris-100);       color: var(--gris-600); }
.b-vencido     { background: var(--rojo-light);     color: var(--rojo); }
.b-manten      { background: var(--naranja-light);  color: var(--naranja-dark); }
.b-baja        { background: var(--gris-100);       color: var(--plomo-dark); }

/* ── Action buttons ── */
.lv-action {
  padding: 3px 9px; border-radius: var(--radius-sm);
  font-size: 11px; font-weight: 500;
  border: 1.5px solid var(--gris-200);
  cursor: pointer; background: transparent;
  color: var(--gris-600); margin-right: 3px;
  font-family: var(--font); transition: all 0.15s;
}
.lv-action:hover { background: var(--gris-50); color: var(--gris-800); }
.lv-action.azul  { border-color: var(--azul); color: var(--azul); }
.lv-action.azul:hover { background: var(--azul-light); }
.lv-action.naranja { border-color: var(--naranja); color: var(--naranja-dark); }
.lv-action.naranja:hover { background: var(--naranja-light); }
.lv-action.rojo  { border-color: var(--rojo); color: var(--rojo); }
.lv-action.rojo:hover { background: var(--rojo-light); }

/* ── Tabs ── */
.lv-tabs { display: flex; border-bottom: 1.5px solid var(--gris-200); margin-bottom: 16px; }
.lv-tab {
  padding: 8px 16px; font-size: 13px; font-weight: 500;
  cursor: pointer; color: var(--plomo-dark);
  border-bottom: 2px solid transparent;
  margin-bottom: -1.5px; transition: all 0.15s;
  font-family: var(--font);
}
.lv-tab:hover { color: var(--azul); }
.lv-tab.active { color: var(--naranja-dark); border-bottom-color: var(--naranja); }

/* ── Modal ── */
.lv-modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 500; align-items: center;
  justify-content: center; padding: 20px;
  backdrop-filter: blur(2px);
}
.lv-modal-overlay.open { display: flex; }
.lv-modal {
  background: var(--blanco);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 26px; width: 100%;
  max-width: 480px; max-height: 90vh;
  overflow-y: auto;
  animation: modal-in 0.18s ease;
  position: relative;
}
@keyframes modal-in {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to   { opacity: 1; transform: none; }
}
.lv-modal-title {
  font-size: 16px; font-weight: 700;
  color: var(--azul); margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1.5px solid var(--azul-light);
}
.lv-modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 20px; }

/* ── Form ── */
.lv-form-row { margin-bottom: 14px; }
.lv-form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 14px; }
.lv-form-label { font-size: 12px; font-weight: 500; color: var(--gris-600); margin-bottom: 5px; display: block; }
.lv-input {
  width: 100%; height: 36px;
  border: 1.5px solid var(--gris-200);
  border-radius: var(--radius-sm);
  padding: 0 10px; font-size: 13px;
  font-family: var(--font);
  background: var(--blanco); color: var(--gris-800);
  outline: none; transition: border-color 0.15s;
}
.lv-input:focus { border-color: var(--azul); }
textarea.lv-input { height: 72px; padding: 8px 10px; resize: vertical; }
select.lv-input { cursor: pointer; }
.lv-form-hint { font-size: 11px; color: var(--plomo-dark); margin-top: 3px; }
#usr-rol,
#usr-laboratorio {
  font-size: 12px;
  min-width: 0;
}

#usr-rol option,
#usr-laboratorio option {
  font-size: 12px;
}
/* ── Empty state ── */
.lv-empty {
  padding: 40px 20px; text-align: center; color: var(--plomo-dark);
}
.lv-empty-icon { font-size: 32px; margin-bottom: 10px; }
.lv-empty-text { font-size: 13px; }

/* ── Spinner ── */
.lv-spinner {
  display: inline-block; width: 18px; height: 18px;
  border: 2px solid var(--gris-200);
  border-top-color: var(--azul);
  border-radius: 50%;
  animation: lv-spin 0.7s linear infinite;
}
@keyframes lv-spin { to { transform: rotate(360deg); } }

/* ── Toast ── */
#lv-toast-container {
  position: fixed; bottom: 20px; right: 20px;
  z-index: 9999; display: flex; flex-direction: column; gap: 8px;
}
.lv-toast {
  background: var(--azul);
  color: var(--blanco); font-size: 13px;
  padding: 10px 16px; border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  display: flex; align-items: center; gap: 8px;
  animation: toast-in 0.2s ease; max-width: 320px;
  font-family: var(--font);
}
.lv-toast.success { border-left: 4px solid var(--naranja); }
.lv-toast.error   { border-left: 4px solid var(--rojo); }
.lv-toast.warning { border-left: 4px solid var(--plomo); }
@keyframes toast-in {
  from { opacity: 0; transform: translateX(10px); }
  to   { opacity: 1; transform: none; }
}

/* ── Reportes cards ── */
.lv-report-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}
.lv-report-card {
  background: var(--blanco);
  border: 1.5px solid var(--gris-100);
  border-radius: var(--radius);
  padding: 20px; cursor: pointer;
  transition: all 0.15s; box-shadow: var(--shadow);
}
.lv-report-card:hover {
  border-color: var(--naranja);
  box-shadow: 0 0 0 3px var(--naranja-light);
}
.lv-report-icon { font-size: 26px; margin-bottom: 10px; }
.lv-report-title { font-size: 13px; font-weight: 600; color: var(--azul); margin-bottom: 4px; }
.lv-report-desc { font-size: 12px; color: var(--plomo-dark); margin-bottom: 12px; }
.lv-report-link { font-size: 12px; color: var(--naranja-dark); font-weight: 500; }

/* ── Alertas lista ── */
.lv-alerta-item {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--gris-100);
}
.lv-alerta-item:last-child { border-bottom: none; }