/* ============================================================
   WorkLog — app.css
   Estilos globales del sistema
   ============================================================ */

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

:root {
  --bg:           #080c14;
  --surface:      #0e1420;
  --card:         #131926;
  --border:       #1e2535;
  --border-hi:    #2e3a50;
  --accent:       #3b82f6;
  --accent-h:     #2563eb;
  --accent-glow:  #3b82f630;
  --accent-soft:  #3b82f615;
  --text:         #e2e8f5;
  --text-2:       #8892a4;
  --text-3:       #4a5568;
  --success:      #34d399;
  --success-soft: #34d39915;
  --warning:      #fbbf24;
  --warning-soft: #fbbf2415;
  --danger:       #f87171;
  --danger-soft:  #f8717115;
  --r:            12px;
  --r-sm:         8px;
  --shadow:       0 4px 24px #00000050;
  --nav-h:        60px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--surface); }
::-webkit-scrollbar-thumb { background: var(--border-hi); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-3); }

/* ══════════════════════════════════════
   NAVBAR
══════════════════════════════════════ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: #0b0f1aee;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 1.5rem;
}

.nav-brand a {
  display: flex;
  align-items: center;
  gap: .6rem;
  text-decoration: none;
  color: var(--text);
}

.nav-logo-icon {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--accent), #60a5fa);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

.nav-logo-icon svg {
  width: 17px; height: 17px;
  stroke: #fff; fill: none;
  stroke-width: 2;
  stroke-linecap: round; stroke-linejoin: round;
}

.nav-logo-text {
  font-family: 'Syne', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -.5px;
}

.nav-logo-text b { color: var(--accent); font-weight: 800; }

.nav-menu {
  display: flex;
  align-items: center;
  gap: .25rem;
  flex: 1;
  margin-left: 1.5rem;
  overflow-x: auto;
}

.nav-link {
  display: inline-block;
  padding: .4rem .85rem;
  border-radius: var(--r-sm);
  font-size: .875rem;
  font-weight: 500;
  color: var(--text-2);
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s, background .2s;
}

.nav-link:hover  { color: var(--text); background: var(--surface); }
.nav-link.active { color: var(--accent); background: var(--accent-soft); }

.nav-user {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-shrink: 0;
  margin-left: auto;
}

.nav-name {
  font-size: .875rem;
  font-weight: 500;
  color: var(--text-2);
}

.nav-badge {
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .2rem .6rem;
  border-radius: 20px;
}

.nav-badge--administrador { background: #1e3a5f; color: #60a5fa; }
.nav-badge--manager       { background: #1a3a2a; color: #34d399; }
.nav-badge--trabajador    { background: #2a1f10; color: #fbbf24; }

.nav-logout {
  display: flex;
  align-items: center;
  color: var(--text-3);
  padding: .4rem;
  border-radius: var(--r-sm);
  text-decoration: none;
  transition: color .2s, background .2s;
}

.nav-logout:hover { color: var(--danger); background: var(--danger-soft); }

/* ══════════════════════════════════════
   LAYOUT
══════════════════════════════════════ */
.main-content {
  padding: 2rem 1.5rem;
  max-width: 1280px;
  margin: 0 auto;
}

.app-footer {
  text-align: center;
  padding: 1.5rem;
  font-size: .8rem;
  color: var(--text-3);
  border-top: 1px solid var(--border);
  margin-top: 4rem;
}

/* ══════════════════════════════════════
   PAGE HEADER
══════════════════════════════════════ */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.page-header h1 {
  font-family: 'Syne', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -.5px;
  line-height: 1.2;
}

.page-header p {
  color: var(--text-2);
  font-size: .9rem;
  margin-top: .25rem;
}

/* ══════════════════════════════════════
   CARDS
══════════════════════════════════════ */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.5rem;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}

/* Stat cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.25rem 1.5rem;
  transition: border-color .2s;
}

.stat-card:hover { border-color: var(--border-hi); }

.stat-label {
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-2);
  margin-bottom: .5rem;
}

.stat-value {
  font-family: 'Syne', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1;
  color: var(--text);
}

.stat-sub {
  font-size: .8rem;
  color: var(--text-2);
  margin-top: .3rem;
}

.stat-card--accent .stat-value { color: var(--accent); }
.stat-card--success .stat-value { color: var(--success); }
.stat-card--warning .stat-value { color: var(--warning); }
.stat-card--danger  .stat-value { color: var(--danger); }

/* ══════════════════════════════════════
   TABLAS
══════════════════════════════════════ */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--r);
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .875rem;
}

thead th {
  background: var(--surface);
  padding: .75rem 1rem;
  text-align: left;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-2);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background .15s;
}

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

tbody td {
  padding: .85rem 1rem;
  color: var(--text);
  vertical-align: middle;
}

/* ══════════════════════════════════════
   FORMULARIOS
══════════════════════════════════════ */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.form-group { display: flex; flex-direction: column; gap: .5rem; }
.form-group.full { grid-column: 1 / -1; }

.form-label {
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-2);
}

.form-control {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: .75rem 1rem;
  color: var(--text);
  font-size: .95rem;
  font-family: inherit;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
  width: 100%;
}

.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

select.form-control { cursor: pointer; }

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

/* ══════════════════════════════════════
   BOTONES
══════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  border: none;
  border-radius: var(--r-sm);
  padding: .65rem 1.2rem;
  font-size: .875rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  transition: background .2s, box-shadow .2s, transform .1s;
  white-space: nowrap;
}

.btn:active { transform: scale(.97); }

.btn-primary  { background: var(--accent);   color: #fff; }
.btn-primary:hover  { background: var(--accent-h); box-shadow: 0 4px 16px var(--accent-glow); }

.btn-success  { background: #059669; color: #fff; }
.btn-success:hover  { background: #047857; }

.btn-danger   { background: #dc2626; color: #fff; }
.btn-danger:hover   { background: #b91c1c; }

.btn-ghost    { background: var(--surface); color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover    { background: var(--card); border-color: var(--border-hi); }

.btn-sm { padding: .4rem .85rem; font-size: .8rem; }
.btn-lg { padding: .9rem 1.75rem; font-size: 1rem; }

/* ══════════════════════════════════════
   BADGES / ESTADOS
══════════════════════════════════════ */
.badge {
  display: inline-block;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: .2rem .6rem;
  border-radius: 20px;
}

.badge-active  { background: var(--success-soft); color: var(--success); }
.badge-paused  { background: var(--warning-soft); color: var(--warning); }
.badge-closed  { background: var(--border);       color: var(--text-2); }
.badge-draft   { background: var(--border);       color: var(--text-2); }
.badge-issued  { background: var(--accent-soft);  color: var(--accent); }
.badge-paid    { background: var(--success-soft); color: var(--success); }
.badge-blocked { background: var(--danger-soft);  color: var(--danger); }

/* ══════════════════════════════════════
   ALERTAS
══════════════════════════════════════ */
.alert {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  border-radius: var(--r-sm);
  padding: .875rem 1rem;
  font-size: .875rem;
  margin-bottom: 1.25rem;
}

.alert-error   { background: var(--danger-soft);  border: 1px solid #7f1d1d60; color: var(--danger); }
.alert-success { background: var(--success-soft); border: 1px solid #06503060; color: var(--success); }
.alert-warning { background: var(--warning-soft); border: 1px solid #78350f60; color: var(--warning); }
.alert-info    { background: var(--accent-soft);  border: 1px solid #1e3a5f;   color: var(--accent); }

/* ══════════════════════════════════════
   UTILIDADES
══════════════════════════════════════ */
.flex         { display: flex; }
.flex-center  { display: flex; align-items: center; justify-content: center; }
.gap-1        { gap: .5rem; }
.gap-2        { gap: 1rem; }
.gap-3        { gap: 1.5rem; }
.mt-1         { margin-top: .5rem; }
.mt-2         { margin-top: 1rem; }
.mt-3         { margin-top: 1.5rem; }
.mb-2         { margin-bottom: 1rem; }
.mb-3         { margin-bottom: 1.5rem; }
.text-muted   { color: var(--text-2); }
.text-sm      { font-size: .875rem; }
.text-xs      { font-size: .78rem; }
.text-right   { text-align: right; }
.text-center  { text-align: center; }
.font-mono    { font-family: 'Fira Code', monospace; }
.w-full       { width: 100%; }

/* Animación de entrada */
.fade-up {
  animation: fadeUp .35s ease both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Skeleton loader */
.skeleton {
  background: linear-gradient(90deg, var(--surface) 25%, var(--border) 50%, var(--surface) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: 4px;
}

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */
@media (max-width: 768px) {
  .nav-menu { display: none; }
  .main-content { padding: 1.25rem 1rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid  { grid-template-columns: 1fr; }
  .page-header { flex-direction: column; }
}