/* ==========================================================================
   Observatorio Congreso — Stylesheet
   Colores y tipografia alineados con observatoriocongreso.cl
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Vollkorn:ital,wght@0,400;0,600;0,700;1,400&family=Libre+Franklin:wght@300;400;500;600;700&family=Oswald:wght@400;500;600&display=swap');

/* ==========================================================================
   Custom Properties
   ========================================================================== */
:root {
  /* Branding — observatoriocongreso.cl */
  --color-primary: #1e4278;
  --color-primary-light: #2a5499;
  --color-primary-dark: #152f55;
  --color-teal: #24c9c3;
  --color-teal-dark: #1ba8a3;
  --color-teal-light: rgba(36, 201, 195, 0.10);
  --color-purple: #8300e9;
  --color-purple-dark: #6b00bf;
  --color-purple-light: rgba(131, 0, 233, 0.08);
  --color-gold: #e09900;
  --color-gold-light: rgba(224, 153, 0, 0.10);

  /* Surfaces */
  --color-surface: #f5f7fa;
  --color-card: #ffffff;
  --color-text: #2d3748;
  --color-text-muted: #64748b;
  --color-text-light: #94a3b8;
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;

  /* Semantic */
  --color-success: #0d9f6e;
  --color-success-light: rgba(13, 159, 110, 0.08);
  --color-error: #dc2626;
  --color-error-light: rgba(220, 38, 38, 0.06);

  /* Senado / Diputados */
  --color-senado: var(--color-primary);
  --color-senado-light: rgba(30, 66, 120, 0.08);
  --color-diputados: var(--color-purple);
  --color-diputados-light: var(--color-purple-light);

  /* Typography */
  --font-heading: 'Vollkorn', Georgia, serif;
  --font-body: 'Libre Franklin', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-ui: 'Oswald', Helvetica, sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;

  /* Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.07);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.10);
  --shadow-card: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.03);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;

  /* Layout */
  --header-height: 60px;
  --max-width: 1140px;
  --content-width: 720px;
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-surface);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--color-primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-teal); }
img { max-width: 100%; display: block; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-primary-dark);
}
h1 { font-size: 1.75rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.2rem; }
h4 { font-size: 1.05rem; }
p { margin-bottom: var(--space-md); }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  background: var(--color-primary);
  height: var(--header-height);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 3px solid var(--color-teal);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: flex;
  align-items: center;
  height: 100%;
  gap: var(--space-xl);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: #fff;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  white-space: nowrap;
  text-decoration: none;
  flex-shrink: 0;
}
.site-logo:hover { color: #fff; opacity: .9; }

.logo-icon {
  width: 30px;
  height: 30px;
  background: var(--color-teal);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  letter-spacing: -0.5px;
}

/* Navigation */
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  flex: 1;
  height: 100%;
}

.nav-item { position: relative; height: 100%; display: flex; align-items: center; }

.nav-link {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: var(--space-sm) var(--space-md);
  color: rgba(255,255,255,0.7);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
  background: none;
  border: none;
  text-decoration: none;
}
.nav-link:hover, .nav-link.active { color: #fff; background: rgba(255,255,255,0.1); }
.nav-link .caret { font-size: 0.6rem; transition: transform var(--transition-fast); }
.nav-item:hover .caret { transform: rotate(180deg); }

/* Dropdowns */
.nav-dropdown {
  position: absolute;
  top: calc(100% - 2px);
  left: 0;
  min-width: 200px;
  background: var(--color-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border-light);
  padding: var(--space-xs) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: all var(--transition-fast);
  z-index: 1001;
}
.nav-item:hover .nav-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }

.dropdown-link {
  display: block;
  padding: var(--space-sm) var(--space-lg);
  color: var(--color-text);
  font-size: 0.8125rem;
  transition: all var(--transition-fast);
  text-decoration: none;
}
.dropdown-link:hover { background: var(--color-surface); color: var(--color-teal-dark); }
.dropdown-link.active { color: var(--color-teal-dark); background: var(--color-teal-light); font-weight: 500; }

/* User menu */
.user-menu { margin-left: auto; display: flex; align-items: center; gap: var(--space-md); flex-shrink: 0; }
.user-name { color: rgba(255,255,255,0.6); font-size: 0.8rem; }

.btn-logout {
  padding: 5px 14px;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.8);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}
.btn-logout:hover { background: rgba(255,255,255,0.14); color: #fff; }

/* Mobile toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  margin-left: auto;
}
.mobile-toggle span { display: block; width: 20px; height: 2px; background: #fff; border-radius: 1px; }

/* ==========================================================================
   Main Content
   ========================================================================== */
.site-main {
  flex: 1;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
}

/* Page header */
.page-header { margin-bottom: var(--space-2xl); }
.page-title { margin-bottom: var(--space-xs); }
.page-subtitle { font-size: 0.95rem; color: var(--color-text-muted); margin-bottom: 0; }

.chamber-badge {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 20px;
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-sm);
}
.chamber-badge.blue { background: var(--color-senado-light); color: var(--color-senado); }
.chamber-badge.orange { background: var(--color-diputados-light); color: var(--color-diputados); }

/* ==========================================================================
   Cards
   ========================================================================== */
.card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border-light);
  transition: box-shadow var(--transition-base);
}

.card-header {
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--color-border-light);
}
.card-header h3 { margin: 0; }

.card-body { padding: var(--space-xl); }

.card-footer {
  padding: var(--space-lg) var(--space-xl);
  border-top: 1px solid var(--color-border-light);
  background: var(--color-surface);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* Export card */
.export-card { max-width: var(--content-width); }
.export-card .card-header { display: flex; align-items: center; gap: var(--space-md); }
.export-card .card-header .icon {
  width: 38px; height: 38px;
  background: var(--color-teal-light);
  color: var(--color-teal-dark);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.15rem; flex-shrink: 0;
}

/* Dashboard quick links */
.section-label {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  margin-top: var(--space-2xl);
}
.section-label:first-of-type { margin-top: 0; }

.quick-links {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-md);
}
.quick-link-card { display: block; text-decoration: none; color: inherit; }
.quick-link-card:hover { color: inherit; }
.quick-link-card:hover .card { box-shadow: var(--shadow-md); }
.quick-link-card .card-body { display: flex; align-items: flex-start; gap: var(--space-md); }

.quick-link-icon {
  width: 42px; height: 42px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; flex-shrink: 0;
}
.quick-link-icon.senado { background: var(--color-senado-light); color: var(--color-senado); }
.quick-link-icon.diputados { background: var(--color-diputados-light); color: var(--color-diputados); }
.quick-link-icon.presidencial { background: var(--color-gold-light); color: var(--color-gold); }

.quick-link-text h4 { font-family: var(--font-body); font-weight: 600; font-size: 0.875rem; margin-bottom: 2px; }
.quick-link-text p { font-size: 0.78rem; color: var(--color-text-muted); margin: 0; line-height: 1.5; }

/* ==========================================================================
   Forms
   ========================================================================== */
.form-group { margin-bottom: var(--space-lg); }

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}
.form-label .hint { font-weight: 400; color: var(--color-text-muted); font-size: 0.72rem; }

.form-input,
.form-select {
  display: block;
  width: 100%;
  padding: 9px 14px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-text);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  appearance: none;
  -webkit-appearance: none;
}
.form-input:focus, .form-select:focus {
  outline: none;
  border-color: var(--color-teal);
  box-shadow: 0 0 0 3px rgba(36, 201, 195, 0.12);
}
.form-input::placeholder { color: var(--color-text-light); }

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8.825L1.175 4l.825-.825L6 7.175l4-4L10.825 4z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}

.form-select[multiple] {
  background-image: none;
  padding-right: 14px;
  min-height: 110px;
  cursor: default;
}
.form-select[multiple] option { padding: 5px 8px; border-radius: var(--radius-sm); margin-bottom: 1px; }
.form-select[multiple] option:checked { background: var(--color-teal); color: #fff; }

input[type="date"].form-input { cursor: pointer; }

.form-check { display: flex; align-items: center; gap: var(--space-sm); cursor: pointer; }
.form-check input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--color-teal); cursor: pointer; }
.form-check .form-check-label { font-size: 0.84rem; cursor: pointer; user-select: none; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg); }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 9px 22px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}
.btn:active { transform: scale(0.98); }

.btn-primary { background: var(--color-teal); color: var(--color-primary-dark); }
.btn-primary:hover { background: var(--color-teal-dark); color: #fff; }

.btn-success { background: var(--color-success); color: #fff; }
.btn-success:hover { background: #0b8a5e; color: #fff; }

.btn-lg { padding: 11px 28px; font-size: 0.9rem; }

.btn-icon { font-size: 1.05rem; }

/* ==========================================================================
   Flash Messages
   ========================================================================== */
.messages-container { max-width: var(--max-width); margin: 0 auto; padding: var(--space-md) var(--space-lg) 0; }

.flash-message {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  font-size: 0.84rem;
  font-weight: 500;
  margin-bottom: var(--space-sm);
  animation: slideDown 0.3s ease-out;
  border: 1px solid transparent;
}
@keyframes slideDown { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }

.flash-message.fade-out { animation: fadeOut 0.3s ease-out forwards; }
@keyframes fadeOut { to { opacity: 0; transform: translateY(-6px); } }

.flash-message .dismiss-btn {
  margin-left: auto; background: none; border: none;
  font-size: 1.2rem; cursor: pointer; opacity: 0.5; color: inherit; padding: 0 4px;
}
.flash-message .dismiss-btn:hover { opacity: 1; }

.flash-alert-success { background: var(--color-success-light); color: var(--color-success); border-color: rgba(13,159,110,0.12); }
.flash-alert-danger { background: var(--color-error-light); color: var(--color-error); border-color: rgba(220,38,38,0.12); }
.flash-alert-info { background: var(--color-teal-light); color: var(--color-teal-dark); border-color: rgba(36,201,195,0.12); }
.flash-alert-warning { background: var(--color-gold-light); color: var(--color-gold); border-color: rgba(224,153,0,0.12); }

/* ==========================================================================
   Loading Overlay
   ========================================================================== */
.loading-overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(30,66,120,0.55);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--space-lg);
  z-index: 9999;
  opacity: 0; visibility: hidden;
  transition: all var(--transition-base);
  backdrop-filter: blur(3px);
}
.loading-overlay.visible { opacity: 1; visibility: visible; }

.spinner {
  width: 44px; height: 44px;
  border: 3px solid rgba(255,255,255,0.2);
  border-top-color: var(--color-teal);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-text { color: #fff; font-size: 0.9rem; font-weight: 500; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.45);
  padding: var(--space-lg) 0;
  margin-top: auto;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
}

/* ==========================================================================
   Login Page
   ========================================================================== */
.login-page {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
}
.login-page::before {
  content: '';
  position: absolute; top: -40%; right: -15%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(36,201,195,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.login-card {
  width: 100%; max-width: 400px;
  background: var(--color-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  position: relative; z-index: 1;
  animation: fadeIn 0.4s ease-out;
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.login-accent-bar { height: 3px; background: linear-gradient(90deg, var(--color-teal), var(--color-purple)); }

.login-header { padding: var(--space-2xl) var(--space-2xl) var(--space-lg); text-align: center; }
.login-logo {
  display: flex; align-items: center; justify-content: center; gap: var(--space-sm);
  font-family: var(--font-heading); font-size: 1.25rem; font-weight: 600;
  color: var(--color-primary-dark); margin-bottom: var(--space-xs);
}
.login-logo .logo-icon { width: 34px; height: 34px; font-size: 0.8rem; }
.login-subtitle { font-size: 0.84rem; color: var(--color-text-muted); margin-bottom: 0; }

.login-body { padding: 0 var(--space-2xl) var(--space-2xl); }
.login-body .form-input { padding: 11px 14px; }
.login-body .btn { width: 100%; padding: 11px; }

.login-errors {
  margin-bottom: var(--space-lg); padding: var(--space-md);
  background: var(--color-error-light); border: 1px solid rgba(220,38,38,0.12);
  border-radius: var(--radius-md); color: var(--color-error); font-size: 0.8rem;
}
.login-errors ul { list-style: none; padding: 0; margin: 0; }

/* ==========================================================================
   Utilities
   ========================================================================== */
.text-muted { color: var(--color-text-muted); }
.text-sm { font-size: 0.8rem; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 768px) {
  .header-inner { flex-wrap: wrap; padding: var(--space-md) var(--space-lg); gap: 0; }
  .mobile-toggle { display: flex; }
  .main-nav { display: none; flex-basis: 100%; flex-direction: column; padding: var(--space-md) 0; gap: 2px; height: auto; }
  .main-nav.open { display: flex; }
  .nav-item { height: auto; flex-direction: column; align-items: stretch; }
  .nav-link { padding: var(--space-sm) var(--space-md); width: 100%; }
  .nav-dropdown { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; background: rgba(255,255,255,0.05); border-radius: var(--radius-sm); display: none; }
  .nav-item.open .nav-dropdown { display: block; }
  .dropdown-link { color: rgba(255,255,255,0.7); padding: var(--space-sm) var(--space-xl); }
  .dropdown-link:hover { color: #fff; background: rgba(255,255,255,0.08); }
  .dropdown-link.active { color: var(--color-teal); background: rgba(255,255,255,0.06); }
  .user-menu { display: none; flex-basis: 100%; padding: var(--space-md) 0; border-top: 1px solid rgba(255,255,255,0.08); margin-left: 0; }
  .main-nav.open ~ .user-menu { display: flex; }
  .site-main { padding: var(--space-xl) var(--space-md); }
  .form-row { grid-template-columns: 1fr; }
  .quick-links { grid-template-columns: 1fr; }
  .page-title { font-size: 1.4rem; }
  .footer-inner { flex-direction: column; gap: var(--space-sm); text-align: center; }
}