/* ============================================================
   RecetaMed — Design System
   Tipografía: DM Serif Display (display) + DM Sans (body)
   Estética: Clínica refinada — blanco roto, azul cobalto, detalles dorados
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,300&display=swap');

/* --- Variables -------------------------------------------- */
:root {
  --c-bg:         #F7F5F0;       /* Blanco roto cálido */
  --c-surface:    #FFFFFF;
  --c-surface-2:  #F0EDE7;
  --c-border:     #E2DDD6;
  --c-text:       #1A1714;
  --c-text-2:     #6B645C;
  --c-text-3:     #A09890;

  --c-primary:    #1B3F8B;       /* Azul cobalto médico */
  --c-primary-d:  #122B62;
  --c-primary-l:  #E8EDF8;
  --c-accent:     #C8963A;       /* Dorado cálido */
  --c-accent-l:   #FBF3E3;

  --c-success:    #1E6B45;
  --c-success-l:  #E3F4EC;
  --c-warning:    #8B5A00;
  --c-warning-l:  #FEF3DC;
  --c-danger:     #8B1A1A;
  --c-danger-l:   #FDEAEA;

  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;

  --radius-sm:    6px;
  --radius:       10px;
  --radius-lg:    16px;
  --radius-xl:    24px;

  --shadow-xs:    0 1px 3px rgba(27,63,139,.06);
  --shadow-sm:    0 2px 8px rgba(27,63,139,.08);
  --shadow:       0 4px 20px rgba(27,63,139,.10);
  --shadow-lg:    0 8px 40px rgba(27,63,139,.14);

  --transition:   all .18s cubic-bezier(.4,0,.2,1);
  --sidebar-w:    260px;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* --- Tipografía ------------------------------------------ */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.2;
  font-weight: 400;
}
h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.05rem; }

p { color: var(--c-text-2); }
a { color: var(--c-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--c-accent); }

/* --- Botones --------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .6rem 1.25rem;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: .9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--c-primary);
  color: #fff;
  box-shadow: 0 2px 8px rgba(27,63,139,.25);
}
.btn-primary:hover {
  background: var(--c-primary-d);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(27,63,139,.3);
}
.btn-secondary {
  background: var(--c-surface);
  color: var(--c-primary);
  border: 1.5px solid var(--c-border);
}
.btn-secondary:hover {
  border-color: var(--c-primary);
  background: var(--c-primary-l);
}
.btn-accent {
  background: var(--c-accent);
  color: #fff;
  box-shadow: 0 2px 8px rgba(200,150,58,.25);
}
.btn-accent:hover {
  background: #b07f28;
  color: #fff;
  transform: translateY(-1px);
}
.btn-danger {
  background: var(--c-danger-l);
  color: var(--c-danger);
  border: 1.5px solid #e8c0c0;
}
.btn-danger:hover { background: #fbdada; }
.btn-sm { padding: .4rem .9rem; font-size: .82rem; }
.btn-lg { padding: .85rem 1.75rem; font-size: 1rem; }
.btn-block { width: 100%; justify-content: center; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none !important; }

/* --- Formularios ----------------------------------------- */
.form-group { margin-bottom: 1.2rem; }
.form-label {
  display: block;
  font-size: .82rem;
  font-weight: 500;
  color: var(--c-text-2);
  margin-bottom: .4rem;
  letter-spacing: .02em;
  text-transform: uppercase;
}
.form-control {
  width: 100%;
  padding: .65rem 1rem;
  background: var(--c-surface);
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: .95rem;
  color: var(--c-text);
  transition: var(--transition);
  outline: none;
}
.form-control:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(27,63,139,.1);
}
.form-control::placeholder { color: var(--c-text-3); }
.form-control.error { border-color: var(--c-danger); }
.form-hint { font-size: .8rem; color: var(--c-text-3); margin-top: .3rem; }
.form-error { font-size: .82rem; color: var(--c-danger); margin-top: .3rem; }

select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B645C' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1rem center; padding-right: 2.5rem; }

/* --- Cards ----------------------------------------------- */
.card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-xs);
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--c-border);
}
.card-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--c-text);
}

/* --- Badges ---------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: .2rem .65rem;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .02em;
}
.badge-success  { background: var(--c-success-l);  color: var(--c-success); }
.badge-warning  { background: var(--c-warning-l);  color: var(--c-warning); }
.badge-danger   { background: var(--c-danger-l);   color: var(--c-danger); }
.badge-primary  { background: var(--c-primary-l);  color: var(--c-primary); }
.badge-neutral  { background: var(--c-surface-2);  color: var(--c-text-2); }

/* --- Alerts ---------------------------------------------- */
.alert {
  padding: .9rem 1.1rem;
  border-radius: var(--radius);
  font-size: .9rem;
  margin-bottom: 1rem;
  border-left: 3px solid transparent;
}
.alert-success { background: var(--c-success-l); color: var(--c-success); border-color: var(--c-success); }
.alert-warning { background: var(--c-warning-l); color: var(--c-warning); border-color: var(--c-accent); }
.alert-danger  { background: var(--c-danger-l);  color: var(--c-danger);  border-color: var(--c-danger); }
.alert-info    { background: var(--c-primary-l); color: var(--c-primary); border-color: var(--c-primary); }

/* --- Tabla ----------------------------------------------- */
.table-wrapper { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--c-border); }
table { width: 100%; border-collapse: collapse; background: var(--c-surface); }
th {
  background: var(--c-surface-2);
  padding: .75rem 1rem;
  font-size: .78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--c-text-2);
  text-align: left;
  border-bottom: 1px solid var(--c-border);
}
td {
  padding: .85rem 1rem;
  font-size: .9rem;
  border-bottom: 1px solid var(--c-surface-2);
  vertical-align: middle;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--c-bg); }

/* --- Layout principal ------------------------------------ */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-w);
  background: var(--c-primary);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: transform .3s ease;
}
.sidebar-brand {
  padding: 1.5rem 1.25rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.sidebar-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: #fff;
  letter-spacing: -.01em;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.sidebar-logo span { color: var(--c-accent); }
.sidebar-subtitle {
  font-size: .72rem;
  color: rgba(255,255,255,.5);
  margin-top: .2rem;
  letter-spacing: .05em;
  text-transform: uppercase;
}
.sidebar-nav {
  flex: 1;
  padding: 1rem 0;
  overflow-y: auto;
}
.nav-section-title {
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.35);
  padding: .75rem 1.25rem .3rem;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .65rem 1.25rem;
  color: rgba(255,255,255,.75);
  font-size: .9rem;
  font-weight: 400;
  transition: var(--transition);
  border-left: 3px solid transparent;
  text-decoration: none;
}
.nav-item:hover {
  background: rgba(255,255,255,.08);
  color: #fff;
  border-left-color: rgba(200,150,58,.5);
}
.nav-item.active {
  background: rgba(255,255,255,.12);
  color: #fff;
  border-left-color: var(--c-accent);
  font-weight: 500;
}
.nav-item svg { width: 18px; height: 18px; flex-shrink: 0; opacity: .8; }
.nav-item.active svg, .nav-item:hover svg { opacity: 1; }
.sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid rgba(255,255,255,.1);
}
.sidebar-user {
  display: flex;
  align-items: center;
  gap: .75rem;
}
.sidebar-avatar {
  width: 36px; height: 36px;
  background: var(--c-accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .9rem;
  font-weight: 600;
  color: #fff;
  flex-shrink: 0;
}
.sidebar-user-name { font-size: .85rem; color: #fff; font-weight: 500; }
.sidebar-user-role { font-size: .72rem; color: rgba(255,255,255,.5); }

/* Contenido principal */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
.topbar {
  height: 64px;
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  padding: 0 2rem;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow-xs);
}
.topbar-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  flex: 1;
}
.topbar-actions { display: flex; align-items: center; gap: .75rem; }
.page-content { padding: 2rem; flex: 1; }

/* Stats cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.75rem;
}
.stat-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow-xs);
  transition: var(--transition);
}
.stat-card:hover { box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.stat-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.stat-icon svg { width: 22px; height: 22px; }
.stat-icon-blue  { background: var(--c-primary-l); color: var(--c-primary); }
.stat-icon-gold  { background: var(--c-accent-l);  color: var(--c-accent); }
.stat-icon-green { background: var(--c-success-l); color: var(--c-success); }
.stat-icon-red   { background: var(--c-danger-l);  color: var(--c-danger); }
.stat-value {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--c-text);
  line-height: 1;
}
.stat-label { font-size: .8rem; color: var(--c-text-2); margin-top: .2rem; }

/* Grid de dos columnas */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
@media (max-width: 900px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* --- Responsive sidebar ---------------------------------- */
.sidebar-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--c-text);
  padding: .25rem;
}
@media (max-width: 768px) {
  .sidebar-toggle { display: flex; }
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
}

/* --- Login page ------------------------------------------ */
.login-page {
  min-height: 100vh;
  display: flex;
  background: var(--c-bg);
}
.login-left {
  flex: 1;
  background: var(--c-primary);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 3rem;
  position: relative;
  overflow: hidden;
}
.login-left::before {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  background: rgba(200,150,58,.1);
  border-radius: 50%;
  top: -100px; right: -150px;
}
.login-left::after {
  content: '';
  position: absolute;
  width: 300px; height: 300px;
  background: rgba(255,255,255,.04);
  border-radius: 50%;
  bottom: -80px; left: -80px;
}
.login-brand {
  text-align: center;
  position: relative;
  z-index: 1;
}
.login-brand-name {
  font-family: var(--font-display);
  font-size: 3rem;
  color: #fff;
  letter-spacing: -.02em;
}
.login-brand-name span { color: var(--c-accent); }
.login-brand-tagline {
  font-size: 1rem;
  color: rgba(255,255,255,.6);
  margin-top: .5rem;
  font-style: italic;
  font-family: var(--font-display);
}
.login-features {
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
  z-index: 1;
}
.login-feature {
  display: flex;
  align-items: center;
  gap: .75rem;
  color: rgba(255,255,255,.8);
  font-size: .9rem;
}
.login-feature-dot {
  width: 8px; height: 8px;
  background: var(--c-accent);
  border-radius: 50%;
  flex-shrink: 0;
}
.login-right {
  width: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 2.5rem;
}
.login-box { width: 100%; max-width: 380px; }
.login-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  margin-bottom: .5rem;
}
.login-subtitle { color: var(--c-text-2); font-size: .9rem; margin-bottom: 2rem; }

.divider {
  height: 1px;
  background: var(--c-border);
  margin: 1.5rem 0;
}

/* Progress / Loading */
.spinner {
  width: 20px; height: 20px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Misc */
.text-muted { color: var(--c-text-2); }
.text-sm    { font-size: .85rem; }
.text-xs    { font-size: .78rem; }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: .5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: .5rem; }
.gap-2 { gap: 1rem; }
.w-full { width: 100%; }

@media (max-width: 640px) {
  .login-left { display: none; }
  .login-right { width: 100%; }
}