/* =============================================
   LinkWay Design System — Light / Typeform-inspired
   ============================================= */

:root {
  /* Neutros */
  --neutral-0:    #ffffff;
  --neutral-25:   #f8f8f7;
  --neutral-50:   #f0f0ef;
  --neutral-100:  #e6e6e4;
  --neutral-200:  #d0d0cd;
  --neutral-400:  #a0a09c;
  --neutral-600:  #6b6b66;
  --neutral-800:  #3a3a37;
  --neutral-1000: #1a1a19;

  /* Acento — púrpura Typeform */
  --accent:       #6b46fe;
  --accent-hover: #5835e8;
  --accent-dim:   rgba(107, 70, 254, 0.08);
  --accent-light: rgba(107, 70, 254, 0.15);

  /* Fondos */
  --bg-primary:   var(--neutral-25);
  --bg-secondary: var(--neutral-0);
  --bg-hover:     var(--neutral-50);

  /* Texto */
  --text-primary:   var(--neutral-1000);
  --text-secondary: var(--neutral-600);
  --text-muted:     var(--neutral-400);

  /* Bordes */
  --border:       var(--neutral-100);
  --border-light: var(--neutral-50);

  /* Estados */
  --success:      #0aa699;
  --success-dim:  rgba(10, 166, 153, 0.1);
  --warning:      #f5a623;
  --warning-dim:  rgba(245, 166, 35, 0.1);
  --danger:       #e53e3e;
  --danger-dim:   rgba(229, 62, 62, 0.1);
  --info:         #3b82f6;
  --info-dim:     rgba(59, 130, 246, 0.1);

  /* Layout */
  --sidebar-width: 240px;
  --topbar-height: 60px;
  --content-max:   1200px;
  --radius-sm:     6px;
  --radius:        10px;
  --radius-lg:     14px;
  --radius-xl:     20px;

  /* Sombras suaves */
  --shadow-xs:  0 1px 2px rgba(0,0,0,0.05);
  --shadow-sm:  0 2px 8px rgba(0,0,0,0.06);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg:  0 8px 32px rgba(0,0,0,0.1);

  /* Tipografía */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', monospace;
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent-hover); }
img { display: block; max-width: 100%; }
button, input, select, textarea { font-family: inherit; }

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

/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar-width);
  background: var(--neutral-0);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 100;
  overflow-y: auto;
}

.sidebar-logo {
  padding: 20px 16px 16px;
  border-bottom: 1px solid var(--border);
}
.sidebar-logo a {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
  font-weight: 800;
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
}
.sidebar-logo .logo-icon {
  width: 32px; height: 32px;
  background: var(--accent);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  color: white;
}

.sidebar-nav { padding: 12px 8px; flex: 1; }

.nav-section { margin-bottom: 4px; }
.nav-section-label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 8px 12px 4px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 12px;
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: all .15s;
  margin-bottom: 1px;
}
.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.nav-item.active {
  background: var(--accent-dim);
  color: var(--accent);
  font-weight: 600;
}
.nav-item .nav-icon { width: 18px; text-align: center; font-size: 15px; }

.sidebar-footer {
  padding: 12px;
  border-top: 1px solid var(--border);
}
.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
}
.sidebar-user .avatar {
  width: 32px; height: 32px;
  background: var(--accent-dim);
  border: 1.5px solid var(--accent-light);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
}
.sidebar-user .user-info { overflow: hidden; }
.sidebar-user .user-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-user .user-role {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* ── Main content ── */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Topbar ── */
.topbar {
  height: var(--topbar-height);
  background: var(--neutral-0);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar-title {
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}
.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ── Page content ── */
.page-content {
  padding: 28px;
  max-width: var(--content-max);
  width: 100%;
}

/* ── Cards ── */
.card {
  background: var(--neutral-0);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
}
.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
}
.card-body { padding: 20px; }

/* ── Stats grid ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--neutral-0);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  box-shadow: var(--shadow-xs);
}
.stat-icon {
  width: 42px; height: 42px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.stat-icon.purple { background: var(--accent-dim); }
.stat-icon.green  { background: var(--success-dim); }
.stat-icon.yellow { background: var(--warning-dim); }
.stat-icon.blue   { background: var(--info-dim); }
.stat-value {
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1.2;
}
.stat-label {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-top: 2px;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius-xl);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all .2s ease-out;
  white-space: nowrap;
  text-decoration: none;
  line-height: 1.4;
  letter-spacing: -0.01em;
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; pointer-events: none; }

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 1px 3px rgba(107, 70, 254, 0.3);
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 8px rgba(107, 70, 254, 0.35);
}

.btn-secondary {
  background: var(--neutral-0);
  color: var(--text-primary);
  border-color: var(--border);
  box-shadow: var(--shadow-xs);
}
.btn-secondary:hover {
  background: var(--neutral-50);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
}

.btn-danger {
  background: var(--neutral-0);
  color: var(--danger);
  border-color: var(--danger);
}
.btn-danger:hover {
  background: var(--danger);
  color: #fff;
  border-radius: var(--radius-sm);
}
.btn-warning {
  background: var(--neutral-0);
  color: #b45309;
  border-color: #f59e0b;
}
.btn-warning:hover {
  background: #f59e0b;
  color: #fff;
  border-radius: var(--radius-sm);
}

.btn-success {
  background: var(--success-dim);
  color: var(--success);
  border-color: var(--success);
}
.btn-success:hover {
  background: var(--success);
  color: #fff;
  border-radius: var(--radius-sm);
}

.btn-sm { padding: 5px 12px; font-size: var(--text-xs); }
.btn-lg { padding: 12px 28px; font-size: var(--text-base); }

/* ── Formularios ── */
.form-group { margin-bottom: 18px; }
.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.form-label .required { color: var(--danger); margin-left: 3px; }
.form-control {
  width: 100%;
  padding: 10px 14px;
  background: var(--neutral-0);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: var(--text-sm);
  transition: border-color .15s, box-shadow .15s;
  outline: none;
}
.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.form-control::placeholder { color: var(--text-muted); }
textarea.form-control {
  resize: vertical;
  min-height: 100px;
  line-height: 1.6;
}
.form-hint {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: 5px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ── Tablas ── */
.table-wrap { overflow-x: auto; }
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}
.table th {
  padding: 10px 16px;
  text-align: left;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  background: var(--neutral-25);
}
.table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-secondary);
  vertical-align: middle;
}
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: var(--neutral-25); }

/* ── Badges ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: var(--text-xs);
  font-weight: 600;
}
.badge-success { background: var(--success-dim); color: var(--success); }
.badge-warning { background: var(--warning-dim); color: var(--warning); }
.badge-danger  { background: var(--danger-dim);  color: var(--danger); }
.badge-info    { background: var(--info-dim);     color: var(--info); }
.badge-purple  { background: var(--accent-dim);   color: var(--accent); }
.badge-muted   { background: var(--neutral-50);   color: var(--text-muted); }

/* ── Posts gallery ── */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 12px;
}
.post-card {
  background: var(--neutral-0);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  transition: transform .2s ease-out, box-shadow .2s ease-out;
  cursor: pointer;
}
.post-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.post-thumb {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background: var(--neutral-50);
}
.post-thumb-placeholder {
  width: 100%;
  aspect-ratio: 1;
  background: var(--neutral-50);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: var(--text-muted);
}
.post-meta { padding: 10px 12px; }
.post-type-badge {
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}
.post-engagement {
  display: flex;
  gap: 10px;
  font-size: var(--text-xs);
  color: var(--text-muted);
}
.post-engagement span { display: flex; align-items: center; gap: 4px; }

/* ── Alertas ── */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: var(--text-sm);
  margin-bottom: 16px;
  border: 1px solid transparent;
  font-weight: 500;
}
.alert-success { background: var(--success-dim); border-color: var(--success); color: var(--success); }
.alert-danger  { background: var(--danger-dim);  border-color: var(--danger);  color: var(--danger); }
.alert-warning { background: var(--warning-dim); border-color: var(--warning); color: var(--warning); }
.alert-info    { background: var(--info-dim);    border-color: var(--info);    color: var(--info); }

/* ── Toast ── */
#toast-container {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  padding: 12px 18px;
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  animation: slideIn .2s ease;
  max-width: 360px;
}
.toast-success { background: var(--success); color: #fff; }
.toast-error   { background: var(--danger);  color: #fff; }
.toast-info    { background: var(--accent);  color: #fff; }
@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

/* ── Spinner ── */
.spinner {
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .6s linear infinite;
}
.spinner-lg { width: 28px; height: 28px; border-width: 3px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Empty state ── */
.empty-state { text-align: center; padding: 64px 24px; }
.empty-state-icon { font-size: 48px; margin-bottom: 16px; }
.empty-state-title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.empty-state-desc {
  color: var(--text-muted);
  margin-bottom: 24px;
  max-width: 380px;
  margin-left: auto;
  margin-right: auto;
  font-size: var(--text-sm);
}

/* ── Breadcrumb ── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: 20px;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--text-primary); }
.breadcrumb .sep { color: var(--neutral-200); }
.breadcrumb .current { color: var(--text-primary); font-weight: 500; }

/* ── Análisis ── */
.analysis-content {
  line-height: 1.8;
  color: var(--text-secondary);
}
.analysis-content h2 {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  margin: 28px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  letter-spacing: -0.02em;
}
.analysis-content h2:first-child { margin-top: 0; }
.analysis-content h3 {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
  margin: 20px 0 8px;
}
.analysis-content p { margin-bottom: 12px; }
.analysis-content ul, .analysis-content ol { padding-left: 20px; margin-bottom: 12px; }
.analysis-content li { margin-bottom: 6px; }
.analysis-content strong { color: var(--text-primary); font-weight: 600; }

/* ── Login ── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--neutral-25);
  padding: 24px;
}
.login-box {
  background: var(--neutral-0);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 44px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-md);
}
.login-logo { text-align: center; margin-bottom: 32px; }
.login-logo .logo-mark {
  width: 48px; height: 48px;
  background: var(--accent);
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 14px;
}
.login-logo h1 {
  font-size: var(--text-2xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}
.login-logo p {
  color: var(--text-muted);
  font-size: var(--text-sm);
  margin-top: 4px;
}

/* ── Utilities ── */
.flex            { display: flex; }
.flex-col        { flex-direction: column; }
.items-center    { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2  { gap: 8px; }
.gap-3  { gap: 12px; }
.gap-4  { gap: 16px; }
.mt-1   { margin-top: 4px; }
.mt-2   { margin-top: 8px; }
.mt-4   { margin-top: 16px; }
.mb-2   { margin-bottom: 8px; }
.mb-4   { margin-bottom: 16px; }
.mb-6   { margin-bottom: 24px; }
.text-sm    { font-size: var(--text-sm); }
.text-muted { color: var(--text-muted); }
.text-right { text-align: right; }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.w-full { width: 100%; }
.hidden { display: none !important; }

/* ── Scrape steps ── */
.scrape-step.step-done .scrape-step-dot {
  background: var(--accent) !important;
  border-color: var(--accent) !important;
  color: #fff !important;
}
.scrape-step.step-active .scrape-step-dot {
  border-color: var(--accent) !important;
  color: var(--accent) !important;
  box-shadow: 0 0 0 3px rgba(107,70,254,.15);
}
.scrape-step.step-done > div:last-child { color: var(--accent) !important; }
.scrape-step.step-active > div:last-child { color: var(--accent) !important; font-weight: 600; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .sidebar { display: none; }
  .main-content { margin-left: 0; }
  .form-row { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .posts-grid { grid-template-columns: repeat(2, 1fr); }
  .page-content { padding: 20px 16px; }
}