@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  /* SADASO Brand: blanco, rojo, negro */
  --primary: #1a1a1a;
  --primary-light: #2a2a2a;
  --primary-dark: #0d0d0d;
  --secondary: #cc1f1f;
  --secondary-light: #e52d2d;
  --secondary-dark: #9e1515;
  --accent: #cc1f1f;
  --success: #16a34a;
  --success-dark: #14532d;
  --danger: #dc2626;
  --danger-dark: #991b1b;
  --warning: #d97706;
  --info: #0284c7;
  --suspended: #7c3aed;
  --surface: #f0f2f5;
  --surface2: #e5e7eb;
  --card: #ffffff;
  --card-hover: #f9fafb;
  --border: rgba(0,0,0,0.1);
  --border-active: rgba(204,31,31,0.5);
  --text: #111111;
  --text-muted: #6b7280;
  --text-dim: #9ca3af;
  --radius: 10px;
  --radius-sm: 7px;
  --radius-lg: 14px;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.14);
  --transition: all 0.18s ease;
  --font: 'Inter', system-ui, sans-serif;
  --sidebar-width: 256px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--surface);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}
a { color: var(--secondary); text-decoration: none; }
img { max-width: 100%; }
button, input, select, textarea { font-family: var(--font); }
input[type="file"] { display: none; }

/* SCROLLBAR */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: #e5e7eb; }
::-webkit-scrollbar-thumb { background: #cc1f1f; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #e52d2d; }

/* LAYOUT */
.app-layout { display: flex; min-height: 100vh; }
.sidebar {
  width: var(--sidebar-width);
  background: #1a1a1a;
  border-right: none;
  display: flex; flex-direction: column;
  position: fixed; top: 0; left: 0; height: 100vh;
  z-index: 100; transition: var(--transition);
  box-shadow: 2px 0 16px rgba(0,0,0,0.12);
}
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1; min-height: 100vh;
  background: var(--surface);
}
.topbar {
  height: 60px;
  background: #ffffff;
  border-bottom: 1px solid rgba(0,0,0,0.08);
  box-shadow: 0 1px 8px rgba(0,0,0,0.06);
  display: flex; align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky; top: 0; z-index: 50;
}
.page-content { padding: 28px 32px; }

/* SIDEBAR */
.sidebar-logo {
  padding: 18px 20px;
  border-bottom: 2px solid var(--secondary);
  display: flex; align-items: center; gap: 12px;
}
.sidebar-logo img { width: 44px; height: 44px; object-fit: contain; border-radius: 6px; }
.sidebar-logo .brand { font-size: 15px; font-weight: 800; color: #fff; line-height: 1.2; letter-spacing: 0.5px; }
.sidebar-logo .brand span { display: block; font-size: 10px; font-weight: 400; color: var(--text-muted); letter-spacing: 0; }
.sidebar-nav { flex: 1; padding: 16px 0; overflow-y: auto; }
.nav-section { padding: 10px 20px 4px; font-size: 9px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; color: var(--text-dim); }
.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 20px; cursor: pointer;
  font-size: 13px; font-weight: 500; color: var(--text-muted);
  transition: var(--transition); border-left: 3px solid transparent;
  text-decoration: none;
}
.nav-item:hover { background: rgba(255,255,255,0.07); color: #fff; }
.nav-item.active { background: rgba(204,31,31,0.18); color: #fff; border-left-color: var(--secondary); font-weight: 600; }
.nav-item svg { width: 17px; height: 17px; flex-shrink: 0; }
.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.user-card {
  display: flex; align-items: center; gap: 10px;
}
.user-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--secondary); display: flex; align-items: center;
  justify-content: center; font-weight: 700; font-size: 14px; color: #fff;
  flex-shrink: 0;
}
.user-info .name { font-size: 13px; font-weight: 600; color: var(--text); }
.user-info .role { font-size: 11px; color: var(--text-muted); }

/* CARDS */
.card {
  background: var(--card);
  border: 1px solid rgba(0,0,0,0.07);
  border-radius: var(--radius);
  padding: 20px;
  transition: var(--transition);
  box-shadow: var(--shadow);
}
.card:hover { border-color: rgba(204,31,31,0.25); box-shadow: 0 4px 20px rgba(0,0,0,0.1); }
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.card-title { font-size: 15px; font-weight: 600; color: var(--text); }
.card-subtitle { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* KPI CARDS */
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.kpi-card {
  background: var(--card);
  border: 1px solid rgba(0,0,0,0.07);
  border-radius: var(--radius);
  padding: 20px;
  position: relative; overflow: hidden;
  box-shadow: var(--shadow);
}
.kpi-card::before {
  content: ''; position: absolute; top: 0; left: 0;
  width: 3px; height: 100%;
  border-radius: 3px 0 0 3px;
}
.kpi-card.blue::before { background: var(--info); }
.kpi-card.green::before { background: var(--success); }
.kpi-card.red::before { background: var(--danger); }
.kpi-card.orange::before { background: var(--secondary); }
.kpi-card.yellow::before { background: var(--accent); }
.kpi-icon { width: 44px; height: 44px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; margin-bottom: 12px; }
.kpi-icon.blue { background: rgba(51,181,229,0.15); color: var(--info); }
.kpi-icon.green { background: rgba(0,200,81,0.15); color: var(--success); }
.kpi-icon.red { background: rgba(255,68,68,0.15); color: var(--danger); }
.kpi-icon.orange { background: rgba(232,64,12,0.15); color: var(--secondary); }
.kpi-icon.yellow { background: rgba(245,166,35,0.15); color: var(--accent); }
.kpi-value { font-size: 28px; font-weight: 800; color: var(--text); line-height: 1; }
.kpi-label { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.kpi-trend { font-size: 11px; margin-top: 8px; }
.kpi-trend.up { color: var(--success); }
.kpi-trend.down { color: var(--danger); }

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 600; cursor: pointer;
  border: none; transition: var(--transition); white-space: nowrap;
  text-decoration: none;
}
.btn svg { width: 15px; height: 15px; }
.btn-primary { background: var(--secondary); color: #fff; font-weight: 700; letter-spacing: 0.3px; }
.btn-primary:hover { background: var(--secondary-light); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(204,31,31,0.5); }
.btn-outline { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-outline:hover { background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.2); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: var(--success-dark); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: var(--danger-dark); }
.btn-ghost { background: transparent; color: var(--text-muted); border: 1px solid transparent; }
.btn-ghost:hover { background: rgba(255,255,255,0.05); color: var(--text); }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-lg { padding: 12px 24px; font-size: 15px; }
.btn-icon { padding: 8px; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* BADGES / STATUS */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: 50px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.5px;
  text-transform: uppercase;
}
.badge-active { background: rgba(0,200,81,0.15); color: var(--success); }
.badge-inactive { background: rgba(255,68,68,0.15); color: var(--danger); }
.badge-suspended { background: rgba(156,33,176,0.15); color: var(--suspended); }
.badge-expired { background: rgba(255,187,51,0.15); color: var(--warning); }
.badge-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* FORMS */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 12px; font-weight: 600; color: var(--text-muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.5px; }
.form-control {
  width: 100%; padding: 10px 12px;
  background: #f9fafb; border: 1px solid rgba(0,0,0,0.12);
  border-radius: var(--radius-sm); color: var(--text);
  font-size: 14px; transition: var(--transition);
}
.form-control:focus { outline: none; border-color: var(--secondary); box-shadow: 0 0 0 3px rgba(204,31,31,0.15); }
.form-control::placeholder { color: var(--text-dim); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.form-section-title { font-size: 13px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; padding: 16px 0 8px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
select.form-control option { background: #fff; color: #111; }

/* TABLE */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th {
  text-align: left; padding: 10px 14px;
  font-size: 11px; font-weight: 700; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
td { padding: 12px 14px; font-size: 13px; border-bottom: 1px solid rgba(0,0,0,0.05); vertical-align: middle; }
tr:hover td { background: rgba(204,31,31,0.03); }
.td-id { font-family: monospace; color: var(--text-muted); font-size: 12px; }
.td-name { display: flex; align-items: center; gap: 10px; }
.td-avatar {
  width: 34px; height: 34px; border-radius: 50%;
  object-fit: cover; background: var(--primary-light);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; color: #fff; flex-shrink: 0;
  overflow: hidden;
}
.td-avatar img { width: 100%; height: 100%; object-fit: cover; }

/* SEARCH / FILTER BAR */
.filter-bar { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; flex-wrap: wrap; }
.search-wrap { position: relative; flex: 1; min-width: 200px; }
.search-wrap svg { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; color: var(--text-muted); }
.search-input { width: 100%; padding: 9px 12px 9px 36px; background: #f9fafb; border: 1px solid rgba(0,0,0,0.1); border-radius: var(--radius-sm); color: var(--text); font-size: 13px; }
.search-input:focus { outline: none; border-color: var(--secondary); box-shadow: 0 0 0 3px rgba(204,31,31,0.12); }

/* MODALS */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.7);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000; padding: 20px;
  opacity: 0; pointer-events: none; transition: opacity 0.2s ease;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: #fff; border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-lg); width: 100%; max-width: 560px;
  max-height: 90vh; overflow-y: auto;
  transform: translateY(20px); transition: transform 0.2s ease;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}
.modal-overlay.open .modal { transform: translateY(0); }
.modal-lg { max-width: 780px; }
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px 0; }
.modal-title { font-size: 17px; font-weight: 700; }
.modal-body { padding: 20px 24px; }
.modal-footer { padding: 0 24px 20px; display: flex; gap: 10px; justify-content: flex-end; }
.btn-close { background: none; border: none; color: var(--text-muted); cursor: pointer; padding: 4px; border-radius: 6px; display: flex; }
.btn-close:hover { background: rgba(255,255,255,0.08); color: var(--text); }

/* ALERTS */
.alert {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 12px 16px; border-radius: var(--radius-sm);
  font-size: 13px; margin-bottom: 16px;
}
.alert svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; }
.alert-success { background: rgba(0,200,81,0.1); border: 1px solid rgba(0,200,81,0.2); color: var(--success); }
.alert-danger { background: rgba(255,68,68,0.1); border: 1px solid rgba(255,68,68,0.2); color: var(--danger); }
.alert-warning { background: rgba(255,187,51,0.1); border: 1px solid rgba(255,187,51,0.2); color: var(--warning); }
.alert-info { background: rgba(51,181,229,0.1); border: 1px solid rgba(51,181,229,0.2); color: var(--info); }

/* PAGINATION */
.pagination { display: flex; align-items: center; gap: 6px; margin-top: 16px; justify-content: center; }
.page-btn { width: 34px; height: 34px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-sm); border: 1px solid var(--border); background: transparent; color: var(--text-muted); cursor: pointer; font-size: 13px; font-weight: 600; transition: var(--transition); }
.page-btn:hover { border-color: var(--secondary); color: var(--secondary); background: rgba(204,31,31,0.08); }
.page-btn.active { background: var(--secondary); border-color: var(--secondary); color: #fff; box-shadow: 0 0 0 3px rgba(204,31,31,0.2); }
.page-btn:disabled { opacity: 0.3; cursor: not-allowed; }

/* TOPBAR */
.page-title { font-size: 18px; font-weight: 700; color: var(--text); letter-spacing: 0.2px; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.topbar-btn { width: 36px; height: 36px; border-radius: 50%; background: #f3f4f6; border: 1px solid rgba(0,0,0,0.08); display: flex; align-items: center; justify-content: center; cursor: pointer; color: var(--text-muted); transition: var(--transition); }
.topbar-btn:hover { color: var(--secondary); border-color: rgba(204,31,31,0.3); background: rgba(204,31,31,0.06); }
.notification-dot { position: relative; }
.notification-dot::after { content: ''; position: absolute; top: 6px; right: 6px; width: 8px; height: 8px; background: var(--secondary); border-radius: 50%; border: 2px solid var(--surface2); }

/* TOASTS */
#toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; }
.toast {
  min-width: 280px; max-width: 380px;
  background: #fff; border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-sm); padding: 12px 16px;
  display: flex; align-items: center; gap: 10px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15); font-size: 13px; color: #111;
  animation: slideIn 0.3s ease;
}
.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.info { border-left: 4px solid var(--info); }
.toast.warning { border-left: 4px solid var(--warning); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* PHOTO UPLOAD */
.photo-upload-area {
  width: 120px; height: 120px; border-radius: 50%;
  border: 2px dashed rgba(0,0,0,0.15); display: flex;
  flex-direction: column; align-items: center; justify-content: center;
  cursor: pointer; transition: var(--transition); position: relative; overflow: hidden;
  background: #f3f4f6; color: var(--text-muted); font-size: 11px; text-align: center; gap: 6px;
}
.photo-upload-area:hover { border-color: var(--secondary); color: var(--secondary); }
.photo-upload-area.drag-over { border-color: var(--success); background: rgba(0,200,81,0.1); color: var(--success); }
.photo-upload-area img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.photo-upload-area svg { width: 28px; height: 28px; }

/* EMPTY STATE */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-muted); }
.empty-state svg { width: 56px; height: 56px; opacity: 0.3; margin-bottom: 12px; }
.empty-state h3 { font-size: 16px; color: var(--text); margin-bottom: 6px; }
.empty-state p { font-size: 13px; }

/* GRID LAYOUTS */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }

/* HIDDEN */
.hidden { display: none !important; }

/* RESPONSIVE */
@media (max-width: 1100px) { .kpi-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .form-grid, .form-grid-3, .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .page-content { padding: 16px; }
}

/* PAGE TRANSITIONS */
.page-transition {
  animation: pageFadeIn 0.3s ease-out;
}
@keyframes pageFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-transition-out {
  animation: pageFadeOut 0.2s ease-in;
}
@keyframes pageFadeOut {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(-10px); }
}

/* LOADER */
.page-loader {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: var(--panel);
  display: flex; align-items: center; justify-content: center;
  z-index: 10000; opacity: 0; pointer-events: none;
  transition: opacity 0.2s ease;
}
.page-loader.active { opacity: 1; pointer-events: auto; }
.page-loader .spinner {
  width: 40px; height: 40px;
  border: 3px solid rgba(232,64,12,0.2);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* LINK HOVER EFFECTS */
a[href] {
  transition: opacity 0.2s ease, color 0.2s ease, transform 0.15s ease;
}
a[href]:hover { opacity: 0.85; }
a[href]:active { transform: scale(0.98); }