/* ============================================================
   styles.css — DermaHC
   ============================================================ */
:root{
  --bg:#f4f6fb; --card:#fff; --ink:#1f2937; --muted:#6b7280;
  --primary:#2563eb; --primary-d:#1d4ed8; --line:#e5e7eb; --ok:#16a34a;
  --shadow:0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.04);
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);color:var(--ink);font-size:14px}

/* ---- Login ---- */
.login-screen{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#e0e7ff,#f4f6fb);padding:20px;z-index:200}
.login-card{background:#fff;border-radius:14px;box-shadow:var(--shadow);
  padding:28px;width:100%;max-width:360px}
.login-brand{display:flex;align-items:center;gap:10px;margin-bottom:20px}
.login-brand .logo{font-size:30px}
.login-brand strong{display:block;font-size:18px}
.login-brand small{color:var(--muted)}
.login-card label{display:block;font-size:13px;font-weight:600;margin:12px 0 4px}
.login-card input{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:14px}
.login-card .btn{margin-top:18px}
.login-error{background:#fee2e2;color:#b91c1c;border-radius:8px;padding:9px 12px;
  font-size:13px;margin-top:14px}

/* ---- Topbar ---- */
.topbar{display:flex;justify-content:space-between;align-items:center;
  background:var(--card);padding:12px 20px;box-shadow:var(--shadow);position:sticky;top:0;z-index:10}
.brand{display:flex;align-items:center;gap:10px}
.brand .logo{font-size:26px}
.brand strong{display:block;font-size:16px}
.brand small{color:var(--muted)}
.topbar-actions{display:flex;align-items:center;gap:12px}
.prof-label{color:var(--primary);font-weight:600}

/* ---- Layout ---- */
.layout{display:grid;grid-template-columns:300px 1fr;gap:16px;padding:16px;
  max-width:1200px;margin:0 auto;align-items:start}
@media(max-width:800px){.layout{grid-template-columns:1fr}}

/* ---- Sidebar ---- */
.sidebar{background:var(--card);border-radius:12px;box-shadow:var(--shadow);padding:12px;
  position:sticky;top:76px}
@media(max-width:800px){.sidebar{position:static}}
.sidebar-head{display:flex;flex-direction:column;gap:8px;margin-bottom:8px}
#buscar{width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:8px}
.lista-pacientes{list-style:none;margin:0;padding:0;max-height:70vh;overflow:auto}
.lista-pacientes li{padding:10px 12px;border-radius:8px;cursor:pointer;margin-bottom:4px}
.lista-pacientes li:hover{background:#eef2ff}
.lista-pacientes li.active{background:#dbeafe}
.lista-pacientes li strong{display:block}
.lista-pacientes li small{color:var(--muted)}

/* ---- Contenido ---- */
.contenido{background:var(--card);border-radius:12px;box-shadow:var(--shadow);
  padding:20px;min-height:60vh}
.bienvenida{text-align:center;padding:60px 20px;color:var(--ink)}
.ficha-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;
  border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:14px;flex-wrap:wrap}
.ficha-head h1{margin:0 0 8px;font-size:22px}
.pill{display:inline-block;background:#eef2ff;color:var(--primary-d);border-radius:999px;
  padding:3px 10px;font-size:12px;margin-right:6px}

/* ---- Tabs ---- */
.tabs{display:flex;gap:8px;margin-bottom:16px}
.tab{padding:8px 14px;border-radius:8px 8px 0 0;cursor:pointer;color:var(--muted);
  border-bottom:2px solid transparent}
.tab.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}

/* ---- Cards / datos ---- */
.card{border:1px solid var(--line);border-radius:10px;padding:16px;margin-bottom:14px}
.card h3{margin:0 0 12px;font-size:15px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:600px){.grid2{grid-template-columns:1fr}}
.dato{font-size:14px}
.dato b{display:block;color:var(--muted);font-size:12px;font-weight:600;margin-bottom:2px}

/* ---- Evoluciones ---- */
.evo{border:1px solid var(--line);border-left:4px solid var(--primary);
  border-radius:8px;padding:14px;margin-bottom:12px}
.evo .fecha{font-weight:600;margin-bottom:8px}
.evo .seccion{margin-bottom:8px}
.evo .seccion b{color:var(--muted);font-size:12px;display:block}

/* ---- Botones ---- */
.btn{border:1px solid var(--line);background:#fff;padding:8px 14px;border-radius:8px;
  cursor:pointer;font-size:14px}
.btn:hover{background:#f9fafb}
.btn.primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn.primary:hover{background:var(--primary-d)}
.btn.primary:disabled{opacity:.6;cursor:default}
.btn.ghost{border-color:transparent;background:transparent}
.btn.block{width:100%}

/* ---- Formularios ---- */
form label{display:block;font-size:13px;font-weight:600;margin:10px 0 4px}
form input,form select,form textarea{width:100%;padding:8px 10px;border:1px solid var(--line);
  border-radius:8px;font-size:14px;font-family:inherit}
form textarea{min-height:60px;resize:vertical}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media(max-width:600px){.form-grid{grid-template-columns:1fr}}
.form-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}
.check-row{display:flex;gap:8px;align-items:flex-start;margin-top:14px;
  background:#f9fafb;padding:12px;border-radius:8px}
.check-row input{width:auto;margin-top:2px}
.req{color:#dc2626}

/* ---- Fecha de nacimiento (3 desplegables) ---- */
.fecha-grid{display:grid;grid-template-columns:1fr 1.4fr 1fr;gap:6px}
.fecha-grid select{width:100%}

/* ---- Modal ---- */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;
  align-items:flex-start;justify-content:center;padding:30px 16px;z-index:50;overflow:auto}
.modal{background:#fff;border-radius:12px;max-width:640px;width:100%;box-shadow:var(--shadow)}
.modal-head{display:flex;justify-content:space-between;align-items:center;
  padding:16px 20px;border-bottom:1px solid var(--line)}
.modal-head h2{margin:0;font-size:17px}
.modal-body{padding:20px}

/* ---- Utilidades ---- */
.hidden{display:none!important}
.muted{color:var(--muted)}
.center{text-align:center}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);
  background:var(--ink);color:#fff;padding:12px 20px;border-radius:8px;
  box-shadow:var(--shadow);z-index:100;max-width:90%}

/* ============================================================
   AGENDA / CALENDARIO
   ============================================================ */
/* Navegación Pacientes / Agenda en la topbar */
.nav-vistas{display:flex;gap:6px}
.nav-btn{border:1px solid var(--line);background:#fff;padding:7px 14px;border-radius:8px;
  cursor:pointer;font-size:14px;color:var(--muted)}
.nav-btn:hover{background:#f9fafb}
.nav-btn.active{background:var(--primary);color:#fff;border-color:var(--primary);font-weight:600}
@media(max-width:640px){
  .nav-vistas .nav-btn{padding:7px 10px;font-size:13px}
  .topbar{flex-wrap:wrap;gap:8px}
}

/* Contenedor de la agenda */
.agenda-wrap{max-width:1200px;margin:0 auto;padding:16px}
.agenda-toolbar{display:flex;justify-content:space-between;align-items:center;
  gap:12px;flex-wrap:wrap;margin-bottom:14px}
.agenda-nav{display:flex;align-items:center;gap:8px}
.cal-titulo{margin:0;font-size:18px;min-width:170px;text-align:center;text-transform:capitalize}
.agenda-acciones{display:flex;align-items:center;gap:14px;flex-wrap:wrap}

/* Leyenda de estados */
.leyenda{display:flex;gap:6px;flex-wrap:wrap}
.lg{font-size:11px;padding:2px 8px;border-radius:999px;border:1px solid transparent}
.lg-programada{background:#dbeafe;color:#1d4ed8}
.lg-confirmada{background:#dcfce7;color:#15803d}
.lg-atendida{background:#e5e7eb;color:#374151}
.lg-cancelada{background:#fee2e2;color:#b91c1c}

/* Grilla del calendario */
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.cal-weekdays{margin-bottom:6px}
.cal-weekdays>div{text-align:center;font-size:12px;font-weight:600;color:var(--muted);
  text-transform:uppercase;letter-spacing:.03em;padding:4px 0}
.cal-dias{grid-auto-rows:minmax(96px,auto)}
.cal-dia{background:var(--card);border:1px solid var(--line);border-radius:10px;
  padding:6px;display:flex;flex-direction:column;gap:4px;min-height:96px;
  cursor:pointer;transition:box-shadow .15s,border-color .15s}
.cal-dia:hover{border-color:var(--primary);box-shadow:var(--shadow)}
.cal-dia-vacio{background:transparent;border:none;cursor:default}
.cal-dia-vacio:hover{box-shadow:none}
.cal-dia-num{font-size:13px;font-weight:600;color:var(--ink);align-self:flex-start}
.cal-hoy{border-color:var(--primary);box-shadow:0 0 0 1px var(--primary) inset}
.cal-hoy .cal-dia-num{background:var(--primary);color:#fff;border-radius:50%;
  width:22px;height:22px;display:grid;place-items:center}

/* Citas dentro de cada día */
.cal-citas{display:flex;flex-direction:column;gap:3px;overflow:hidden}
.cal-cita{display:flex;gap:5px;align-items:center;text-align:left;width:100%;
  border:none;border-radius:6px;padding:3px 6px;font-size:11.5px;cursor:pointer;
  border-left:3px solid transparent;background:#f3f4f6}
.cal-cita:hover{filter:brightness(.97)}
.cal-cita-hora{font-weight:700;white-space:nowrap}
.cal-cita-nom{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cal-programada{background:#dbeafe;border-left-color:#2563eb;color:#1e3a8a}
.cal-confirmada{background:#dcfce7;border-left-color:#16a34a;color:#14532d}
.cal-atendida{background:#eef2f5;border-left-color:#6b7280;color:#374151}
.cal-cancelada{background:#fee2e2;border-left-color:#dc2626;color:#7f1d1d;
  text-decoration:line-through;opacity:.75}

.cal-cargando{grid-column:1/-1;text-align:center;color:var(--muted);padding:30px}

/* Detalle de cita (modal) */
.cita-detalle p{margin:6px 0}
.cita-acciones{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;
  border-top:1px solid var(--line);padding-top:14px}
.btn.danger{border-color:#fecaca;color:#b91c1c;background:#fff}
.btn.danger:hover{background:#fef2f2}

/* Responsive: en móvil el calendario se compacta */
@media(max-width:640px){
  .cal-dias{grid-auto-rows:minmax(72px,auto)}
  .cal-dia{min-height:72px;padding:4px}
  .cal-cita-nom{display:none}       /* en pantallas chicas, solo la hora */
  .cal-cita{justify-content:center}
  .agenda-toolbar{justify-content:center}
}