/* ===========================================================
   PACS Ecografía — sistema de diseño
   Paleta inspirada en la consola de un equipo de ultrasonido:
   pantalla oscura, escala de grises de la imagen, y los dos
   acentos que un ecografista ve todos los días: el ámbar de
   las calibraciones/medidas y el cian del doppler color.
   =========================================================== */

:root {
  --tinta-consola:   #0F161D;   /* fondo del sidebar, como la carcasa del equipo */
  --tinta-panel:     #17212B;
  --gris-eco-900:    #1C2733;
  --gris-eco-700:    #3C4A59;
  --gris-eco-400:    #8493A3;
  --gris-eco-100:    #E7ECF1;
  --fondo:           #F4F6F8;   /* fondo de contenido, papel de informe */
  --superficie:      #FFFFFF;
  --texto:           #1B242D;
  --texto-suave:     #5A6B7A;
  --linea:           #DDE4EA;

  --ambar:           #F0A93B;   /* calibración / acento primario */
  --ambar-oscuro:    #C9821F;
  --doppler-cian:    #37C9C1;   /* flujo doppler / acento secundario, enlaces activos */
  --doppler-cian-osc:#1E9E97;
  --rojo-alerta:     #D9524B;
  --verde-ok:        #3FA66B;

  --fuente-display: 'IBM Plex Sans', system-ui, sans-serif;
  --fuente-mono:    'IBM Plex Mono', 'SF Mono', monospace;

  --radio: 8px;
  --sombra: 0 1px 2px rgba(15, 22, 29, 0.06), 0 4px 12px rgba(15, 22, 29, 0.05);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--fondo);
  color: var(--texto);
  font-family: var(--fuente-display);
  font-size: 15px;
  line-height: 1.5;
}

a { color: var(--doppler-cian-osc); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { font-family: var(--fuente-display); font-weight: 600; margin: 0 0 .5em; }
code, .mono { font-family: var(--fuente-mono); }

/* ---------- estructura ---------- */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 232px;
  flex-shrink: 0;
  background: var(--tinta-consola);
  color: var(--gris-eco-100);
  display: flex;
  flex-direction: column;
  padding: 20px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.sidebar-brand { display: flex; align-items: center; gap: 10px; padding: 0 8px 20px; }
.sidebar-brand-mark {
  width: 34px; height: 34px; border-radius: 8px;
  flex-shrink: 0;
  object-fit: cover;
}
.sidebar-brand-title { font-weight: 700; font-size: 15px; letter-spacing: .02em; }
.sidebar-brand-sub { font-size: 12px; color: var(--gris-eco-400); font-family: var(--fuente-mono); }

.sidebar-nav { display: flex; flex-direction: column; gap: 2px; margin-top: 8px; flex: 1; }
.sidebar-nav a {
  color: var(--gris-eco-100);
  text-decoration: none;
  padding: 9px 12px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  border-left: 2px solid transparent;
}
.sidebar-nav a:hover { background: rgba(255,255,255,0.06); }
.sidebar-nav a.is-active {
  background: rgba(55, 201, 193, 0.12);
  border-left: 2px solid var(--doppler-cian);
  color: #fff;
}

.sidebar-footer { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 12px; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.sidebar-user-name { font-size: 13px; font-weight: 600; }
.sidebar-user-role { font-size: 11px; color: var(--gris-eco-400); text-transform: uppercase; letter-spacing: .04em; }
.sidebar-logout { font-size: 12px; color: var(--gris-eco-400); }
.sidebar-logout:hover { color: var(--ambar); }

.content { flex: 1; padding: 28px 36px; max-width: 1180px; }
.content--full { max-width: none; display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 20px; }

/* ---------- encabezados de página ---------- */
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }
.page-head h1 { font-size: 22px; }
.page-eyebrow { font-family: var(--fuente-mono); font-size: 12px; color: var(--doppler-cian-osc); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 4px; }

/* ---------- botones ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 16px;
  border-radius: 6px;
  border: 1px solid transparent;
  font-family: var(--fuente-display);
  font-size: 14px; font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  background: var(--gris-eco-900);
  color: #fff;
  transition: filter .12s ease;
}
.btn:hover { filter: brightness(1.12); text-decoration: none; }
.btn-primary { background: var(--doppler-cian-osc); }
.btn-ambar { background: var(--ambar-oscuro); }
.btn-outline { background: transparent; border-color: var(--linea); color: var(--texto); }
.btn-danger { background: var(--rojo-alerta); }
.btn-sm { padding: 5px 11px; font-size: 13px; }

/* ---------- tarjetas / paneles ---------- */
.panel {
  background: var(--superficie);
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 20px;
  margin-bottom: 20px;
}
.panel h2 { font-size: 16px; }

/* ---------- formularios ---------- */
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 18px; }
.form-grid--3 { grid-template-columns: repeat(3, 1fr); }
.field { display: flex; flex-direction: column; gap: 5px; }
.field label { font-size: 12.5px; font-weight: 600; color: var(--texto-suave); }
.field input, .field select, .field textarea {
  font-family: var(--fuente-display);
  font-size: 14px;
  padding: 9px 11px;
  border: 1px solid var(--linea);
  border-radius: 6px;
  background: var(--superficie);
  color: var(--texto);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid var(--doppler-cian);
  outline-offset: 1px;
  border-color: var(--doppler-cian);
}
.field textarea { font-family: var(--fuente-mono); resize: vertical; }
.form-actions { display: flex; gap: 10px; margin-top: 18px; }

/* ---------- login ---------- */
.login-card {
  width: 360px;
  background: var(--tinta-panel);
  color: var(--gris-eco-100);
  border-radius: 12px;
  padding: 32px 28px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.35);
}
.login-card .sidebar-brand { padding-bottom: 24px; }
.login-card .field label { color: var(--gris-eco-400); }
.login-card .field input {
  background: var(--tinta-consola);
  border: 1px solid var(--gris-eco-700);
  color: #fff;
}
.login-card .btn-primary { width: 100%; justify-content: center; padding: 11px; margin-top: 6px; }

/* ---------- tablas ---------- */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
thead th {
  text-align: left;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--texto-suave);
  border-bottom: 1px solid var(--linea);
  padding: 8px 10px;
}
tbody td { padding: 11px 10px; border-bottom: 1px solid var(--linea); vertical-align: middle; }
tbody tr:hover { background: #FAFBFC; }
.table-id { font-family: var(--fuente-mono); color: var(--texto-suave); font-size: 13px; }

/* ---------- badges de estado ---------- */
.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .02em;
}
.badge-pendiente { background: #FBEBD2; color: var(--ambar-oscuro); }
.badge-proceso   { background: #DCEEFB; color: #1E6FA6; }
.badge-informado { background: #DDF3E4; color: var(--verde-ok); }
.badge-anulado   { background: #FBE1DF; color: var(--rojo-alerta); }

/* ---------- alertas ---------- */
.alert { padding: 12px 14px; border-radius: 7px; font-size: 14px; margin-bottom: 16px; }
.alert-error { background: #FBE1DF; color: #8C2A24; }
.alert-ok { background: #DDF3E4; color: #1E6B3F; }

/* ---------- miniaturas de imágenes / series DICOM, estilo bracket de visor ---------- */
.dicom-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; }
.dicom-thumb {
  position: relative;
  background: #05080B;
  border-radius: 6px;
  aspect-ratio: 1 / 1;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.dicom-thumb::before, .dicom-thumb::after,
.dicom-thumb .corner-tl, .dicom-thumb .corner-br { content: ""; }
.dicom-thumb .corner {
  position: absolute; width: 14px; height: 14px;
  border-color: var(--doppler-cian);
  border-style: solid;
  opacity: .85;
}
.corner-tl { top: 6px; left: 6px; border-width: 2px 0 0 2px; }
.corner-tr { top: 6px; right: 6px; border-width: 2px 2px 0 0; }
.corner-bl { bottom: 6px; left: 6px; border-width: 0 0 2px 2px; }
.corner-br { bottom: 6px; right: 6px; border-width: 0 2px 2px 0; }
.dicom-thumb-label {
  position: absolute; bottom: 6px; left: 8px; right: 8px;
  font-family: var(--fuente-mono); font-size: 10.5px; color: var(--gris-eco-400);
  text-shadow: 0 1px 3px rgba(0,0,0,.8);
}
.dicom-thumb a { color: var(--gris-eco-100); font-size: 12px; text-align: center; padding: 6px; }
.dicom-thumb-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }

/* ---------- informe ---------- */
.informe-doc {
  background: var(--superficie);
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  padding: 28px 32px;
  max-width: 780px;
  font-size: 14.5px;
}
.informe-doc h3 { font-size: 13px; text-transform: uppercase; letter-spacing: .05em; color: var(--texto-suave); margin-top: 20px; }
.informe-meta { display: flex; flex-wrap: wrap; gap: 4px 20px; font-family: var(--fuente-mono); font-size: 12.5px; color: var(--texto-suave); margin-bottom: 18px; }

/* ---------- utilidades ---------- */
.text-muted { color: var(--texto-suave); }
.empty-state { padding: 40px 20px; text-align: center; color: var(--texto-suave); }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.gap-8 { display: flex; gap: 8px; align-items: center; }
.mt-0 { margin-top: 0; }

@media print {
  .sidebar, .no-print { display: none !important; }
  .content { padding: 0; max-width: none; }
  body { background: #fff; }
}

@media (max-width: 780px) {
  .sidebar { display: none; }
  .content { padding: 18px; }
  .form-grid, .form-grid--3 { grid-template-columns: 1fr; }
}