/* ============================================================
   Clinichat — Estilos globales
   Estética: limpia, médica, confiable. Verde salud + blanco.
   ============================================================ */

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

/* Variables */
:root {
  --green:        #1a7a5e;
  --green-light:  #e8f5f0;
  --green-mid:    #2d9e7a;
  --green-dark:   #0f5740;
  --accent:       #f0faf6;
  --white:        #ffffff;
  --gray-50:      #f9fafb;
  --gray-100:     #f3f4f6;
  --gray-200:     #e5e7eb;
  --gray-400:     #9ca3af;
  --gray-600:     #4b5563;
  --gray-800:     #1f2937;
  --gray-900:     #111827;
  --danger:       #dc2626;
  --warning:      #d97706;
  --success:      #059669;
  --info:         #2563eb;
  --radius:       12px;
  --radius-sm:    8px;
  --radius-lg:    18px;
  --shadow:       0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:    0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg:    0 10px 40px rgba(0,0,0,0.12);
  --font:         'DM Sans', sans-serif;
  --font-display: 'DM Serif Display', serif;
  --transition:   0.2s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--gray-800);
  background: var(--gray-50);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--green); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--green-dark); }

img { max-width: 100%; display: block; }

/* ============================================================
   BOTONES
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--green);
  color: #fff;
  border-color: var(--green);
}
.btn-primary:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(26,122,94,0.3);
}

.btn-outline {
  background: transparent;
  color: var(--green);
  border-color: var(--green);
}
.btn-outline:hover {
  background: var(--green);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--gray-600);
  border-color: var(--gray-200);
}
.btn-ghost:hover { background: var(--gray-100); }

.btn-danger {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}
.btn-danger:hover { background: #b91c1c; }

.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-lg { padding: 13px 28px; font-size: 15px; border-radius: var(--radius); }

/* ============================================================
   FORMULARIOS
   ============================================================ */
.form-group { margin-bottom: 18px; }
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-600);
  margin-bottom: 6px;
}
.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 14px;
  color: var(--gray-800);
  background: var(--white);
  transition: all var(--transition);
  outline: none;
}
.form-control:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(26,122,94,0.1);
}
.form-control::placeholder { color: var(--gray-400); }

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-900);
}

.card-body { padding: 24px; }

/* ============================================================
   BADGES / STATUS
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 12px;
  font-weight: 500;
}
.badge-success { background: #d1fae5; color: #065f46; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-danger  { background: #fee2e2; color: #991b1b; }
.badge-info    { background: #dbeafe; color: #1e40af; }
.badge-gray    { background: var(--gray-100); color: var(--gray-600); }
.badge-green   { background: var(--green-light); color: var(--green-dark); }

/* ============================================================
   TABLAS
   ============================================================ */
.table-wrapper { overflow-x: auto; }
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.table th {
  padding: 11px 16px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--gray-100);
  background: var(--gray-50);
}
.table td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-800);
  vertical-align: middle;
}
.table tbody tr:hover { background: var(--gray-50); }
.table tbody tr:last-child td { border-bottom: none; }

/* ============================================================
   ALERTAS
   ============================================================ */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  border-left: 3px solid;
  margin-bottom: 16px;
}
.alert-success { background: #d1fae5; border-color: var(--success); color: #065f46; }
.alert-danger  { background: #fee2e2; border-color: var(--danger);  color: #991b1b; }
.alert-warning { background: #fef3c7; border-color: var(--warning); color: #92400e; }
.alert-info    { background: #dbeafe; border-color: var(--info);    color: #1e40af; }

/* ============================================================
   STAT CARDS (dashboard)
   ============================================================ */
.stat-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  padding: 22px 24px;
  display: flex;
  align-items: center;
  gap: 18px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.stat-icon.green  { background: var(--green-light); }
.stat-icon.blue   { background: #dbeafe; }
.stat-icon.amber  { background: #fef3c7; }
.stat-icon.purple { background: #ede9fe; }

.stat-info { flex: 1; }
.stat-value {
  font-size: 26px;
  font-weight: 600;
  color: var(--gray-900);
  line-height: 1;
}
.stat-label {
  font-size: 13px;
  color: var(--gray-400);
  margin-top: 4px;
}

/* ============================================================
   ADMIN LAYOUT
   ============================================================ */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 240px;
  background: var(--gray-900);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
}

.sidebar-logo {
  padding: 22px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  gap: 10px;
}
.sidebar-logo .logo-icon {
  width: 34px;
  height: 34px;
  background: var(--green);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}
.sidebar-logo .logo-text {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.3px;
}

.sidebar-nav {
  padding: 12px 12px;
  flex: 1;
}

.nav-section-label {
  font-size: 10px;
  font-weight: 600;
  color: rgba(255,255,255,0.3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 14px 8px 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 8px;
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  font-weight: 400;
  transition: all var(--transition);
  margin-bottom: 2px;
  text-decoration: none;
}
.nav-item:hover { background: rgba(255,255,255,0.07); color: rgba(255,255,255,0.9); }
.nav-item.active { background: var(--green); color: #fff; font-weight: 500; }
.nav-item .nav-icon { width: 18px; text-align: center; font-size: 16px; flex-shrink: 0; }

.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.sidebar-footer .consultorio-name {
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  padding: 0 8px;
  margin-bottom: 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sidebar-footer .plan-badge {
  font-size: 11px;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.5);
  padding: 3px 8px;
  border-radius: 99px;
  margin: 0 8px 10px;
  display: inline-block;
}

/* Main content */
.admin-main {
  margin-left: 240px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.admin-topbar {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  padding: 0 28px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow);
}

.topbar-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-900);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.admin-content {
  padding: 28px;
  flex: 1;
}

/* ============================================================
   MODALES
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
}
.modal-overlay.active { opacity: 1; visibility: visible; }

.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(12px) scale(0.98);
  transition: transform 0.25s ease;
}
.modal-overlay.active .modal { transform: translateY(0) scale(1); }
.modal-lg { max-width: 720px; }

.modal-header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-title { font-size: 16px; font-weight: 600; color: var(--gray-900); }
.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 20px;
  color: var(--gray-400);
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: all var(--transition);
}
.modal-close:hover { background: var(--gray-100); color: var(--gray-800); }
.modal-body { padding: 20px 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--gray-100);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ============================================================
   AGENDA CALENDAR
   ============================================================ */
.agenda-grid {
  display: grid;
  grid-template-columns: 60px repeat(7, 1fr);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  overflow: hidden;
}

.agenda-header-cell {
  background: var(--gray-50);
  padding: 10px 8px;
  text-align: center;
  border-bottom: 1px solid var(--gray-200);
  border-right: 1px solid var(--gray-100);
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-600);
}
.agenda-header-cell.today {
  background: var(--green-light);
  color: var(--green-dark);
}
.agenda-header-cell .day-num {
  font-size: 20px;
  font-weight: 600;
  display: block;
  color: var(--gray-900);
}
.agenda-header-cell.today .day-num { color: var(--green); }

.agenda-time {
  font-size: 11px;
  color: var(--gray-400);
  padding: 8px 6px;
  text-align: right;
  border-right: 1px solid var(--gray-100);
  border-bottom: 1px solid var(--gray-100);
  vertical-align: top;
}

.agenda-cell {
  border-right: 1px solid var(--gray-100);
  border-bottom: 1px solid var(--gray-100);
  min-height: 44px;
  position: relative;
  padding: 2px;
}
.agenda-cell:last-child { border-right: none; }

.cita-block {
  background: var(--green-light);
  border-left: 3px solid var(--green);
  border-radius: 4px;
  padding: 3px 6px;
  font-size: 11px;
  color: var(--green-dark);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.cita-block:hover { background: var(--green); color: #fff; }
.cita-block.pendiente { background: #fef3c7; border-color: var(--warning); color: #92400e; }
.cita-block.cancelada { background: #fee2e2; border-color: var(--danger); color: #991b1b; opacity: 0.7; }

/* ============================================================
   HORARIOS BUILDER
   ============================================================ */
.horario-dia {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--gray-100);
}
.horario-dia:last-child { border-bottom: none; }
.dia-nombre {
  width: 100px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
}
.horario-toggle {
  position: relative;
  width: 40px;
  height: 22px;
}
.horario-toggle input { opacity: 0; width: 0; height: 0; }
.horario-slider {
  position: absolute;
  inset: 0;
  background: var(--gray-200);
  border-radius: 99px;
  cursor: pointer;
  transition: all var(--transition);
}
.horario-slider::before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  left: 3px;
  top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: all var(--transition);
}
.horario-toggle input:checked + .horario-slider { background: var(--green); }
.horario-toggle input:checked + .horario-slider::before { transform: translateX(18px); }

/* ============================================================
   LANDING PAGE
   ============================================================ */
.landing-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-900);
}
.nav-logo .logo-icon {
  width: 34px;
  height: 34px;
  background: var(--green);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}
.nav-links a {
  font-size: 14px;
  color: var(--gray-600);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--green); }

.nav-actions { display: flex; align-items: center; gap: 12px; }

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 100px 0 60px;
  background: linear-gradient(160deg, #f0faf6 0%, #ffffff 50%, #f0f7ff 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(26,122,94,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--green-light);
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 500;
  padding: 5px 14px;
  border-radius: 99px;
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 52px;
  line-height: 1.1;
  color: var(--gray-900);
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.hero-title span { color: var(--green); }

.hero-desc {
  font-size: 18px;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: 36px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--gray-200);
}
.hero-stat-num {
  font-size: 26px;
  font-weight: 600;
  color: var(--gray-900);
}
.hero-stat-label { font-size: 13px; color: var(--gray-500); margin-top: 2px; }

/* Mockup WhatsApp */
.whatsapp-mockup {
  background: #e5ddd5;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  max-width: 340px;
  margin: 0 auto;
}
.wa-header {
  background: #128c7e;
  color: white;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
}
.wa-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}
.wa-messages { padding: 16px; display: flex; flex-direction: column; gap: 8px; }
.wa-msg {
  max-width: 80%;
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.5;
}
.wa-msg.bot {
  background: white;
  align-self: flex-start;
  border-radius: 0 10px 10px 10px;
}
.wa-msg.user {
  background: #dcf8c6;
  align-self: flex-end;
  border-radius: 10px 10px 0 10px;
}
.wa-msg .time { font-size: 10px; color: var(--gray-400); margin-top: 3px; text-align: right; }

/* Sección features */
.section { padding: 90px 0; }
.section-container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.section-tag {
  display: inline-block;
  background: var(--green-light);
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 99px;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.section-title {
  font-family: var(--font-display);
  font-size: 38px;
  color: var(--gray-900);
  margin-bottom: 14px;
  line-height: 1.2;
}
.section-desc { font-size: 17px; color: var(--gray-500); max-width: 540px; line-height: 1.7; }

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 54px;
}
.feature-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition);
}
.feature-card:hover {
  border-color: var(--green);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--green-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}
.feature-title { font-size: 16px; font-weight: 600; color: var(--gray-900); margin-bottom: 8px; }
.feature-desc { font-size: 14px; color: var(--gray-500); line-height: 1.6; }

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 54px;
}
.pricing-card {
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  transition: all var(--transition);
}
.pricing-card:hover { box-shadow: var(--shadow-md); }
.pricing-card.popular {
  border-color: var(--green);
  box-shadow: 0 0 0 4px rgba(26,122,94,0.08);
}
.popular-tag {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--green);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 16px;
  border-radius: 99px;
}
.plan-name { font-size: 18px; font-weight: 600; color: var(--gray-900); margin-bottom: 6px; }
.plan-price {
  font-size: 36px;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1;
  margin: 16px 0 6px;
}
.plan-price span { font-size: 14px; font-weight: 400; color: var(--gray-400); }
.plan-desc { font-size: 13px; color: var(--gray-500); margin-bottom: 24px; }
.plan-features { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.plan-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--gray-600);
}
.plan-features li::before {
  content: '✓';
  width: 20px;
  height: 20px;
  background: var(--green-light);
  color: var(--green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}

/* Testimonios */
.testimonios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 54px;
}
.testimonio-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.stars { color: #f59e0b; font-size: 14px; margin-bottom: 14px; }
.testimonio-text { font-size: 15px; color: var(--gray-600); line-height: 1.7; margin-bottom: 20px; font-style: italic; }
.testimonio-author { display: flex; align-items: center; gap: 12px; }
.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--green-light);
  color: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}
.author-name { font-size: 14px; font-weight: 600; color: var(--gray-900); }
.author-role { font-size: 12px; color: var(--gray-400); }

/* CTA final */
.cta-section {
  background: var(--gray-900);
  padding: 90px 0;
  text-align: center;
}
.cta-section .section-title { color: #fff; }
.cta-section .section-desc { color: rgba(255,255,255,0.6); margin: 0 auto 36px; }

/* Footer */
.footer {
  background: var(--gray-900);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 40px 0;
}
.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-copy { font-size: 13px; color: rgba(255,255,255,0.3); }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 13px; color: rgba(255,255,255,0.4); }
.footer-links a:hover { color: rgba(255,255,255,0.7); }

/* ============================================================
   UTILITIES
   ============================================================ */
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.mt-4 { margin-top: 4px; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.text-sm { font-size: 13px; }
.text-xs { font-size: 12px; }
.text-muted { color: var(--gray-400); }
.text-center { text-align: center; }
.fw-500 { font-weight: 500; }
.fw-600 { font-weight: 600; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.full-width { width: 100%; }

/* empty state */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--gray-400);
}
.empty-state .empty-icon { font-size: 48px; margin-bottom: 16px; }
.empty-state p { font-size: 15px; }

/* loading spinner */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--gray-200);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Responsive */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); transition: transform 0.3s; }
  .sidebar.open { transform: translateX(0); }
  .admin-main { margin-left: 0; }
  .admin-content { padding: 16px; }
  .hero-container { grid-template-columns: 1fr; }
  .hero-title { font-size: 36px; }
  .features-grid, .pricing-grid, .testimonios-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}