/* ============================================================
   VetSys — Estilos globales
   Fuentes: DM Sans (UI) + DM Serif Display (headings)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,400&family=DM+Serif+Display:ital@0;1&display=swap');
@import url('https://cdn.jsdelivr.net/npm/@tabler/icons-webfont@latest/tabler-icons.min.css');

/* ── Variables ───────────────────────────────────────────── */
:root {
  --font-ui:      'DM Sans', sans-serif;
  --font-display: 'DM Serif Display', serif;

  /* Marca */
  --brand:        #1A6FBF;
  --brand-dark:   #0F4F8A;
  --brand-light:  #E8F2FB;
  --brand-mid:    #B8D8F5;

  /* Superficie */
  --bg:           #F5F6F8;
  --bg-card:      #FFFFFF;
  --bg-sidebar:   #0D1B2A;
  --bg-sidebar-hover: rgba(255,255,255,0.07);
  --bg-sidebar-active: rgba(26,111,191,0.25);

  /* Texto */
  --text-primary:   #0D1B2A;
  --text-secondary: #4A5568;
  --text-tertiary:  #8FA3B1;
  --text-sidebar:   #C8D8E4;
  --text-sidebar-active: #FFFFFF;

  /* Bordes */
  --border:       #E2E8EF;
  --border-focus: #1A6FBF;

  /* Estado */
  --success:      #0F7B5A;
  --success-bg:   #E4F5EE;
  --warning:      #A05C00;
  --warning-bg:   #FEF3E2;
  --danger:       #B91C1C;
  --danger-bg:    #FEE2E2;
  --info:         #1A6FBF;
  --info-bg:      #E8F2FB;

  /* Layout */
  --sidebar-w:    230px;
  --topbar-h:     56px;
  --radius-sm:    6px;
  --radius-md:    10px;
  --radius-lg:    14px;
  --radius-xl:    20px;
  --shadow-sm:    0 1px 3px rgba(13,27,42,0.06), 0 1px 2px rgba(13,27,42,0.04);
  --shadow-md:    0 4px 12px rgba(13,27,42,0.08), 0 2px 4px rgba(13,27,42,0.04);
  --shadow-lg:    0 10px 30px rgba(13,27,42,0.12), 0 4px 8px rgba(13,27,42,0.06);
  --transition:   all 0.18s ease;
}

/* ── Reset base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 14px; }

body {
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

/* ── Layout principal ────────────────────────────────────── */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ─────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  background: var(--bg-sidebar);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 100;
  overflow-y: auto;
  scrollbar-width: none;
}
.sidebar::-webkit-scrollbar { display: none; }

.sidebar-logo {
  padding: 20px 16px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  gap: 10px;
}
.sidebar-logo-icon {
  width: 34px; height: 34px;
  background: var(--brand);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: #fff;
  flex-shrink: 0;
}
.sidebar-logo-name {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.01em;
}
.sidebar-logo-sub {
  font-size: 11px;
  color: var(--text-sidebar);
  opacity: 0.6;
}

.sidebar-nav { flex: 1; padding: 8px 0; }

.nav-section-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-sidebar);
  opacity: 0.4;
  padding: 14px 16px 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 16px;
  font-size: 13.5px;
  color: var(--text-sidebar);
  cursor: pointer;
  border-radius: 0;
  transition: var(--transition);
  position: relative;
  text-decoration: none;
  user-select: none;
}
.nav-item:hover {
  background: var(--bg-sidebar-hover);
  color: #fff;
  text-decoration: none;
}
.nav-item.active {
  background: var(--bg-sidebar-active);
  color: var(--text-sidebar-active);
  font-weight: 500;
}
.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0; top: 4px; bottom: 4px;
  width: 3px;
  background: var(--brand);
  border-radius: 0 3px 3px 0;
}
.nav-item i { font-size: 17px; opacity: 0.8; }
.nav-item.active i { opacity: 1; }

.sidebar-footer {
  padding: 12px 16px 16px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
}
.sidebar-user:hover { background: var(--bg-sidebar-hover); }
.sidebar-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--brand);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 600; color: #fff;
  flex-shrink: 0;
}
.sidebar-user-name { font-size: 13px; color: #fff; font-weight: 500; }
.sidebar-user-role { font-size: 11px; color: var(--text-sidebar); opacity: 0.6; }

/* ── Área de contenido ───────────────────────────────────── */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* ── Topbar ──────────────────────────────────────────────── */
.topbar {
  height: var(--topbar-h);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}
.topbar-left { display: flex; align-items: center; gap: 12px; }
.topbar-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}
.topbar-breadcrumb {
  font-size: 12px;
  color: var(--text-tertiary);
}
.topbar-right { display: flex; align-items: center; gap: 8px; }

.btn-icon {
  width: 34px; height: 34px;
  border-radius: var(--radius-md);
  border: none;
  background: transparent;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 18px;
  transition: var(--transition);
}
.btn-icon:hover { background: var(--bg); color: var(--text-primary); }

.badge-notif {
  position: relative;
}
.badge-notif::after {
  content: '';
  position: absolute;
  top: 6px; right: 6px;
  width: 7px; height: 7px;
  background: var(--danger);
  border-radius: 50%;
  border: 2px solid var(--bg-card);
}

/* ── Página ──────────────────────────────────────────────── */
.page {
  padding: 24px;
  flex: 1;
}
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.page-title {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.page-subtitle {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-top: 2px;
}

/* ── Cards ───────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}
.card-title {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-title-link {
  font-size: 12px;
  font-weight: 400;
  color: var(--brand);
  cursor: pointer;
}

/* ── Métricas ────────────────────────────────────────────── */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 20px;
}
.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.metric-card:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.metric-label {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.metric-label i { font-size: 14px; }
.metric-value {
  font-size: 26px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 6px;
}
.metric-trend {
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 3px;
}
.metric-trend.up { color: var(--success); }
.metric-trend.neutral { color: var(--text-tertiary); }

/* ── Botones ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 13.5px;
  font-weight: 500;
  font-family: var(--font-ui);
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
  text-decoration: none;
}
.btn i { font-size: 16px; }
.btn-primary {
  background: var(--brand);
  color: #fff;
}
.btn-primary:hover { background: var(--brand-dark); text-decoration: none; color: #fff; }
.btn-secondary {
  background: var(--bg);
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--border); }
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}
.btn-ghost:hover { background: var(--bg); }
.btn-danger {
  background: var(--danger-bg);
  color: var(--danger);
}
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-sm { padding: 5px 12px; font-size: 12.5px; }
.btn-lg { padding: 11px 22px; font-size: 15px; }

/* ── Badges / chips ──────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 99px;
  font-size: 11.5px;
  font-weight: 500;
}
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-danger  { background: var(--danger-bg);  color: var(--danger); }
.badge-info    { background: var(--info-bg);     color: var(--info); }
.badge-neutral { background: var(--bg);          color: var(--text-secondary); border: 1px solid var(--border); }

/* ── Tablas ──────────────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}
thead th {
  padding: 11px 16px;
  text-align: left;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  white-space: nowrap;
}
tbody tr {
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: #FAFBFC; }
tbody td {
  padding: 12px 16px;
  color: var(--text-primary);
  vertical-align: middle;
}
.td-secondary { color: var(--text-secondary); font-size: 12.5px; }

/* ── Formularios ─────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 5px;
}
.form-label .required { color: var(--danger); margin-left: 2px; }
.form-control {
  width: 100%;
  padding: 9px 12px;
  font-size: 13.5px;
  font-family: var(--font-ui);
  color: var(--text-primary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: var(--transition);
  outline: none;
  appearance: none;
}
.form-control:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(26,111,191,0.12);
}
.form-control::placeholder { color: var(--text-tertiary); }
select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 80px; }
.form-hint { font-size: 12px; color: var(--text-tertiary); margin-top: 4px; }
.form-error { font-size: 12px; color: var(--danger); margin-top: 4px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }

/* ── Modal ───────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(13,27,42,0.45);
  backdrop-filter: blur(3px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}
.modal {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(12px) scale(0.98);
  transition: transform 0.2s ease;
}
.modal-overlay.open .modal { transform: translateY(0) scale(1); }
.modal-lg { max-width: 720px; }
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
}
.modal-title {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--text-primary);
}
.modal-body { padding: 20px 24px; }
.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 16px 24px 20px;
  border-top: 1px solid var(--border);
}

/* ── Buscador ────────────────────────────────────────────── */
.search-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
}
.search-wrap i {
  position: absolute;
  left: 10px;
  color: var(--text-tertiary);
  font-size: 16px;
  pointer-events: none;
}
.search-input {
  padding: 8px 12px 8px 34px;
  font-size: 13.5px;
  font-family: var(--font-ui);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  color: var(--text-primary);
  outline: none;
  width: 240px;
  transition: var(--transition);
}
.search-input:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(26,111,191,0.12);
  width: 280px;
}

/* ── Avatar mascota ──────────────────────────────────────── */
.pet-avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--brand-light);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}
.pet-avatar.gato   { background: #FEF3E2; }
.pet-avatar.perro  { background: #E4F5EE; }
.pet-avatar.pajaro { background: #EDE9FE; }
.pet-avatar.otro   { background: var(--bg); }

/* ── Toast / Notificaciones ──────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--bg-sidebar);
  color: #fff;
  border-radius: var(--radius-lg);
  font-size: 13.5px;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.25s ease;
  max-width: 320px;
}
.toast.success { border-left: 3px solid #22C55E; }
.toast.error   { border-left: 3px solid var(--danger); }
.toast.info    { border-left: 3px solid var(--brand); }
@keyframes slideUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Loading / Spinner ───────────────────────────────────── */
.spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--brand);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

.page-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 300px;
  gap: 12px;
  color: var(--text-tertiary);
  font-size: 13px;
}

/* ── Empty state ─────────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  text-align: center;
}
.empty-state i {
  font-size: 40px;
  color: var(--text-tertiary);
  opacity: 0.4;
  margin-bottom: 12px;
}
.empty-state-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.empty-state-sub {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-bottom: 16px;
}

/* ── Alertas inline ──────────────────────────────────────── */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  font-size: 13px;
}
.alert i { font-size: 16px; margin-top: 1px; }
.alert-danger  { background: var(--danger-bg);  color: var(--danger); }
.alert-success { background: var(--success-bg); color: var(--success); }
.alert-warning { background: var(--warning-bg); color: var(--warning); }
.alert-info    { background: var(--info-bg);    color: var(--info); }

/* ── Utilities ───────────────────────────────────────────── */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mb-1 { margin-bottom: 4px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.text-sm { font-size: 12.5px; }
.text-muted { color: var(--text-tertiary); }
.text-right { text-align: right; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.w-full { width: 100%; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }

/* ── Responsive básico ───────────────────────────────────── */
@media (max-width: 1024px) {
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); transition: transform 0.25s ease; }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .metrics-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}