/* =============================================
   Sistema Facturación FTCloud — Estilos
   ============================================= */

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

:root {
  --blue-dark:   #1F4E79;
  --blue-med:    #2E6DA4;
  --blue-light:  #D9E8F5;
  --blue-pale:   #EBF3FB;
  --green:       #1A7F37;
  --green-light: #D4EDDA;
  --red:         #C0392B;
  --red-light:   #FADBD8;
  --orange:      #E67E22;
  --orange-light:#FEF3CD;
  --grey-1:      #212529;
  --grey-2:      #495057;
  --grey-3:      #868E96;
  --grey-4:      #CED4DA;
  --grey-5:      #F1F3F5;
  --white:       #FFFFFF;
  --shadow-sm:   0 1px 3px rgba(0,0,0,.08);
  --shadow-md:   0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:   0 8px 32px rgba(0,0,0,.13);
  --radius:      10px;
  --radius-sm:   6px;
}

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

body {
  font-family: 'Inter', sans-serif;
  background: linear-gradient(135deg, #EBF3FB 0%, #F8FAFC 100%);
  color: var(--grey-1);
  min-height: 100vh;
}

/* ── Navbar ── */
.navbar {
  background: linear-gradient(90deg, var(--blue-dark) 0%, var(--blue-med) 100%);
  color: var(--white);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  height: 60px;
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 100;
}
.navbar-brand {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: .5px;
  color: var(--white);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: .6rem;
}
.navbar-brand span.logo-icon { font-size: 1.5rem; }
.navbar-links {
  display: flex;
  gap: .3rem;
  margin-left: auto;
}
.navbar-links a {
  color: rgba(255,255,255,.82);
  text-decoration: none;
  padding: .4rem .9rem;
  border-radius: var(--radius-sm);
  font-size: .88rem;
  font-weight: 500;
  transition: background .2s, color .2s;
}
.navbar-links a:hover, .navbar-links a.active {
  background: rgba(255,255,255,.15);
  color: var(--white);
}

/* ── Page wrapper ── */
.page { max-width: 1200px; margin: 0 auto; padding: 2rem 1.5rem; }

/* ── Cards ── */
.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 1.75rem;
  margin-bottom: 1.5rem;
}
.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--blue-dark);
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}

/* ── Hero card (selector de mes) ── */
.hero-card {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue-med) 100%);
  color: var(--white);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow-lg);
  margin-bottom: 2rem;
}
.hero-card h1 { font-size: 1.8rem; font-weight: 700; margin-bottom: .4rem; }
.hero-card p  { opacity: .8; font-size: .95rem; }

/* ── Form controls ── */
.form-row { display: flex; gap: 1rem; flex-wrap: wrap; align-items: flex-end; margin-top: 1.5rem; }
.form-group { display: flex; flex-direction: column; gap: .4rem; }
.form-group label { font-size: .82rem; font-weight: 600; opacity: .85; }
select, input[type="text"], input[type="date"], input[type="number"] {
  padding: .55rem .9rem;
  border: 1.5px solid var(--grey-4);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: .92rem;
  background: var(--white);
  color: var(--grey-1);
  transition: border-color .2s, box-shadow .2s;
  outline: none;
}
select:focus, input:focus {
  border-color: var(--blue-med);
  box-shadow: 0 0 0 3px rgba(46,109,164,.15);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .55rem 1.35rem;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all .2s;
  text-decoration: none;
}
.btn-primary  { background: var(--blue-med); color: white; }
.btn-primary:hover  { background: var(--blue-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-success  { background: var(--green); color: white; }
.btn-success:hover  { opacity: .9; transform: translateY(-1px); }
.btn-danger   { background: var(--red); color: white; }
.btn-danger:hover   { opacity: .9; }
.btn-outline  { background: transparent; border: 1.5px solid var(--blue-med); color: var(--blue-med); }
.btn-outline:hover  { background: var(--blue-pale); }
.btn-sm  { padding: .3rem .75rem; font-size: .82rem; }
.btn-lg  { padding: .75rem 2rem; font-size: 1rem; }
.btn-icon { padding: .4rem .6rem; }

/* ── Table ── */
.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: .88rem;
}
thead th {
  background: var(--blue-dark);
  color: var(--white);
  padding: .7rem 1rem;
  text-align: left;
  font-weight: 600;
  font-size: .82rem;
  letter-spacing: .3px;
  white-space: nowrap;
}
thead th.center, td.center { text-align: center; }
thead th.right,  td.right  { text-align: right; }
tbody tr { border-bottom: 1px solid var(--grey-5); transition: background .12s; }
tbody tr:hover { background: var(--blue-pale); }
tbody tr:nth-child(even) { background: var(--grey-5); }
tbody tr:nth-child(even):hover { background: var(--blue-pale); }
td { padding: .55rem 1rem; }
.tfoot-total td {
  background: var(--grey-5);
  font-weight: 700;
  font-size: .95rem;
  border-top: 2px solid var(--blue-dark);
  padding: .7rem 1rem;
}

/* ── EDP card ── */
.edp-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  margin-bottom: 2rem;
  overflow: hidden;
}
.edp-header {
  background: linear-gradient(90deg, var(--blue-pale) 0%, var(--blue-light) 100%);
  padding: 1rem 1.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .4rem;
  border-bottom: 2px solid var(--blue-light);
}
.edp-header-left { display: flex; flex-direction: column; gap: .2rem; }
.edp-header-right { display: flex; flex-direction: column; align-items: flex-end; gap: .2rem; }
.edp-client  { font-size: 1.25rem; font-weight: 700; color: var(--blue-dark); }
.edp-rut     { font-size: .9rem; color: var(--grey-2); }
.edp-uf-label{ font-size: .78rem; font-weight: 600; color: var(--grey-3); text-transform: uppercase; letter-spacing: .5px; }
.edp-uf-val  { font-size: 1rem; font-weight: 700; color: var(--blue-dark); }

/* ── Badges ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .2rem .6rem;
  border-radius: 20px;
  font-size: .77rem;
  font-weight: 600;
}
.badge-green  { background: var(--green-light); color: var(--green); }
.badge-red    { background: var(--red-light); color: var(--red); }
.badge-orange { background: var(--orange-light); color: var(--orange); }
.badge-grey   { background: var(--grey-5); color: var(--grey-2); }
.badge-blue   { background: var(--blue-light); color: var(--blue-dark); }

/* ── Stats row ── */
.stats-row { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.stat-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 1.1rem 1.5rem;
  flex: 1;
  min-width: 160px;
  border-left: 4px solid var(--blue-med);
}
.stat-card.green  { border-color: var(--green); }
.stat-card.red    { border-color: var(--red); }
.stat-card.orange { border-color: var(--orange); }
.stat-label { font-size: .78rem; color: var(--grey-3); font-weight: 600; letter-spacing: .4px; text-transform: uppercase; }
.stat-value { font-size: 1.6rem; font-weight: 700; color: var(--grey-1); line-height: 1.2; }
.stat-sub   { font-size: .82rem; color: var(--grey-3); margin-top: .1rem; }

/* ── Alerts ── */
.alert {
  padding: .9rem 1.2rem;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: flex-start;
  gap: .7rem;
}
.alert-warning { background: var(--orange-light); color: #7D4407; border-left: 4px solid var(--orange); }
.alert-danger  { background: var(--red-light); color: #7B241C; border-left: 4px solid var(--red); }
.alert-success { background: var(--green-light); color: #155724; border-left: 4px solid var(--green); }
.alert-icon { font-size: 1.1rem; flex-shrink: 0; }

/* ── Filters bar ── */
.filters-bar {
  display: flex;
  gap: .8rem;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 1rem;
  padding: 1rem 1.25rem;
  background: var(--grey-5);
  border-radius: var(--radius-sm);
}

/* ── Modal ── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 500;
  align-items: center;
  justify-content: center;
}
.modal-overlay.active { display: flex; }
.modal {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 2rem;
  min-width: 340px;
  max-width: 500px;
  width: 90%;
  animation: slideUp .25s ease;
}
@keyframes slideUp {
  from { transform: translateY(30px); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}
.modal-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 1.2rem; color: var(--blue-dark); }
.modal-footer { display: flex; gap: .8rem; justify-content: flex-end; margin-top: 1.5rem; }

/* ── Historial drawer ── */
.history-list { list-style: none; margin-top: .8rem; }
.history-list li {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: .5rem 0;
  border-bottom: 1px solid var(--grey-5);
  font-size: .88rem;
}
.history-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.history-dot.active   { background: var(--green); }
.history-dot.inactive { background: var(--red); }

/* ── Toast ── */
#toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--grey-1);
  color: var(--white);
  padding: .75rem 1.4rem;
  border-radius: var(--radius-sm);
  font-size: .88rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  opacity: 0;
  transition: opacity .3s;
  pointer-events: none;
}
#toast.show { opacity: 1; }
#toast.success { background: var(--green); }
#toast.error   { background: var(--red); }

/* ── Search input ── */
.search-wrap { position: relative; }
.search-wrap input { padding-left: 2.2rem; }
.search-wrap .search-icon {
  position: absolute;
  left: .7rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--grey-3);
  font-size: .95rem;
  pointer-events: none;
}

/* ── Export bar ── */
.export-bar {
  display: flex;
  gap: .8rem;
  align-items: center;
  padding: 1rem 1.5rem;
  background: var(--blue-pale);
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
}
.export-bar span { font-size: .9rem; color: var(--grey-2); font-weight: 500; margin-right: auto; }

/* ── Nav tabs ── */
.tabs { display: flex; gap: .3rem; margin-bottom: 1.5rem; border-bottom: 2px solid var(--grey-4); }
.tab-btn {
  padding: .5rem 1.2rem;
  font-size: .9rem;
  font-weight: 600;
  color: var(--grey-2);
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  margin-bottom: -2px;
  transition: color .2s, border-color .2s;
}
.tab-btn.active { color: var(--blue-med); border-bottom-color: var(--blue-med); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ── Responsive ── */
@media (max-width: 640px) {
  .page { padding: 1rem; }
  .stats-row { flex-direction: column; }
  .edp-header { grid-template-columns: 1fr; }
  .edp-header-right { align-items: flex-start; }
}

/* ── Login page ── */
body.center-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1rem;
}
.login-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 2.5rem;
  width: 100%;
  max-width: 420px;
}
.login-card h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--blue-dark);
  margin-bottom: .3rem;
  text-align: center;
}
.login-card .login-sub {
  color: var(--grey-3);
  font-size: .9rem;
  margin-bottom: 2rem;
  text-align: center;
}
.login-logo {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

/* ── Loading spinner ── */
.spinner {
  width: 22px; height: 22px;
  border: 3px solid rgba(255,255,255,.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin .8s linear infinite;
  display: inline-block;
}
.spinner.dark {
  border-color: rgba(0,0,0,.15);
  border-top-color: var(--blue-med);
}
@keyframes spin { to { transform: rotate(360deg); } }