/* css/style.css */
:root {
  --blue: #0047AB;
  --dark-blue: #002F6C;
  --gold: #D4AF37;
  --light-gold: #FFD700;
  --dark-gold: #B8860B;
  --white: #FFFFFF;
  --black: #000000;
  --gray: #6C757D;
  --light-gray: #E9ECEF;
  --dark-gray: #343A40;
  --danger: #DC3545;
  --success: #28A745;
  --warning: #FFC107;
  --info: #17A2B8;
  --light-bg: #F8F9FA;
  --dark-bg: #0A0A0A;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--light-bg);
  color: var(--dark-blue);
  line-height: 1.6;
  position: relative;
  min-height: 100vh;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

header {
  background-color: var(--blue);
  color: var(--white);
  padding: 1rem 0;
  text-align: center;
  margin-top: 60px;
}

header h1 {
  font-size: 1.8rem;
}

.card {
  background: var(--white);
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 71, 171, 0.1);
  padding: 25px;
  margin: 20px 0;
}

.form-group {
  margin-bottom: 15px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: 600;
  color: var(--dark-blue);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 1rem;
}

.btn {
  display: inline-block;
  padding: 12px 24px;
  background-color: var(--blue);
  color: var(--white);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  text-align: center;
}

.btn:hover {
  background-color: #003a8c;
}

.btn-gold {
  background-color: var(--gold);
  color: var(--dark-blue);
}

.btn-gold:hover {
  background-color: #b8942f;
}

.btn-danger {
  background-color: var(--danger);
  color: var(--white);
}

.btn-danger:hover {
  background-color: #c82333;
}

.btn-success {
  background-color: var(--success);
  color: var(--white);
}

.btn-success:hover {
  background-color: #218838;
}

.btn-warning {
  background-color: var(--warning);
  color: var(--dark-blue);
}

.btn-warning:hover {
  background-color: #e0a800;
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--blue);
  color: var(--blue);
}

.btn-outline:hover {
  background-color: var(--blue);
  color: var(--white);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.125rem;
}

.btn-block {
  display: block;
  width: 100%;
  text-align: center;
}

/* Back to Home Button */
.back-to-home {
  position: absolute;
  top: 20px;
  left: 20px;
  background-color: var(--blue);
  color: white;
  padding: 8px 16px;
  text-decoration: none;
  border-radius: 6px;
  font-size: 0.9rem;
  display: inline-block;
  z-index: 100;
}

.back-to-home:hover {
  background-color: #003a8c;
}

/* Mobile Navigation - FIXED */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--blue);
  padding: 15px;
  z-index: 1000;
}

@media (max-width: 768px) {
  .mobile-nav {
    display: block;
  }
  
  .desktop-nav {
    display: none;
  }
}

.mobile-menu-toggle {
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  float: right;
}

.mobile-menu {
  margin-top: 60px;
  background: white;
  color: var(--dark-blue);
  padding: 20px;
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  overflow-y: auto;
  z-index: 999;
}

.mobile-menu.active {
  display: block;
}

.mobile-menu ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.mobile-menu li {
  padding: 15px 0;
  border-bottom: 1px solid #eee;
  position: relative;
}

.mobile-menu a {
  color: var(--dark-blue);
  text-decoration: none;
  display: block;
  padding: 8px 0;
}

.mobile-menu a:hover {
  color: var(--gold);
}

/* Mobile Submenu - FIXED */
.mobile-submenu {
  display: none;
  padding-left: 20px;
  margin-top: 10px;
}

.mobile-submenu.active {
  display: block;
}

.submenu-toggle {
  background: none;
  border: none;
  color: var(--dark-blue);
  cursor: pointer;
  width: 100%;
  text-align: left;
  font-size: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
}

.submenu-toggle:hover {
  color: var(--gold);
}

.submenu-arrow {
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}

.submenu-arrow.rotated {
  transform: rotate(180deg);
}

/* Desktop Navigation */
.desktop-nav {
  display: block;
  background: var(--blue);
  padding: 10px 0;
}

.desktop-nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  padding: 0;
  margin: 0;
}

.desktop-nav li {
  margin: 0 15px;
  position: relative;
}

.desktop-nav a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  padding: 8px 0;
  display: block;
}

.desktop-nav a:hover {
  color: var(--gold);
}

.desktop-submenu {
  position: absolute;
  background: white;
  color: var(--dark-blue);
  padding: 10px;
  border-radius: 5px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  display: none;
  z-index: 100;
  min-width: 200px;
}

.desktop-nav li:hover .desktop-submenu {
  display: block;
}

.desktop-submenu a {
  color: var(--dark-blue);
  display: block;
  padding: 5px 0;
}

.desktop-submenu a:hover {
  color: var(--gold);
}

/* Footer Quick Buttons */
.footer-quick-buttons {
  background: var(--blue);
  padding: 15px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 40px;
}

.footer-quick-btn {
  background-color: var(--gold);
  color: var(--dark-blue);
  padding: 8px 16px;
  text-decoration: none;
  border-radius: 6px;
  font-size: 0.9rem;
  display: inline-block;
  text-align: center;
}

.footer-quick-btn:hover {
  background-color: #b8942f;
}

/* Footer */
footer {
  background: var(--dark-blue);
  color: white;
  text-align: center;
  padding: 30px 20px;
  margin-top: 40px;
}

footer a {
  color: var(--gold);
  text-decoration: none;
}

footer a:hover {
  color: #b8942f;
}

/* Install Banner */
#install-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--gold);
  color: var(--dark-blue);
  padding: 12px;
  text-align: center;
  display: none;
  z-index: 1000;
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 15px;
  }

  .back-to-home {
    position: static;
    margin-bottom: 20px;
    display: inline-block;
    width: fit-content;
  }

  .hero {
    padding: 60px 20px;
  }

  .btn {
    width: 100%;
    margin-bottom: 10px;
  }

  .desktop-nav {
    display: none;
  }
  
  .mobile-nav {
    display: block;
    position: sticky;
    top: 0;
    z-index: 1000;
  }
  
  .btn-home {
    display: block;
    margin: 10px auto;
    width: 80%;
    text-align: center;
  }
  
  .content-grid {
    grid-template-columns: 1fr;
  }
  
  .stat-card {
    margin-bottom: 20px;
  }
  
  .user-profile-header {
    flex-direction: column;
    text-align: center;
  }
  
  .profile-picture, .profile-picture-placeholder {
    width: 120px;
    height: 120px;
    font-size: 2.5rem;
  }
  
  .user-avatar, .user-avatar-placeholder {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }
  
  .footer-quick-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .footer-quick-btn {
    width: 80%;
    margin: 5px 0;
  }
  
  table, thead, tbody, th, td, tr {
    display: block;
  }
  
  tr {
    margin-bottom: 15px;
    border: 1px solid #eee;
  }
}

@media (min-width: 769px) {
  .desktop-nav {
    display: block;
  }
  
  .mobile-nav {
    display: none;
  }
  
  .hero {
    padding: 80px 20px;
  }
  
  .btn-home {
    display: inline-block;
    margin: 10px;
    width: auto;
    text-align: center;
  }
  
  .content-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
  
  .stat-card {
    margin-bottom: 0;
  }
  
  .user-profile-header {
    flex-direction: row;
    text-align: left;
  }
  
  .profile-picture, .profile-picture-placeholder {
    width: 150px;
    height: 150px;
    font-size: 3rem;
  }
  
  .user-avatar, .user-avatar-placeholder {
    width: 80px;
    height: 80px;
    font-size: 2rem;
  }
  
  .footer-quick-buttons {
    flex-direction: row;
    align-items: center;
  }
  
  .footer-quick-btn {
    width: auto;
    margin: 0 5px;
  }
  
  table, thead, tbody, th, td, tr {
    display: table;
  }
  
  tr {
    margin-bottom: 0;
    border: none;
  }
}

/* Print Styles */
@media print {
  .mdu-id-card {
    width: 85.6mm;  /* ISO 7810 ID-1 standard */
    height: 54mm;
    margin: 0;
    box-shadow: none;
    page-break-inside: avoid;
  }
  
  .id-photo-container {
    width: 15mm;
    height: 15mm;
  }
  
  .id-photo {
    width: 100%;
    height: 100%;
  }
  
  .id-photo-placeholder {
    font-size: 0.8rem;
  }
  
  .id-header {
    font-size: 0.7rem;
  }
  
  .id-info {
    font-size: 0.6rem;
  }
  
  .id-qr {
    width: 15mm;
    height: 15mm;
    font-size: 0.5rem;
  }
  
  /* Hide buttons and navigation */
  .back-to-home,
  .footer-quick-buttons,
  footer,
  #install-banner,
  button {
    display: none !important;
  }
}

/* Dark Mode Support */
body.dark-mode {
  --blue: #4d9eff;
  --dark-blue: #1a1a2e;
  --gold: #ffd700;
  --light-bg: #121212;
  --white: #1e1e1e;
  --black: #ffffff;
  --gray: #a0a0a0;
  --light-gray: #2d2d2d;
  --dark-gray: #1a1a1a;
  --dark-bg: #000000;
  background-color: var(--dark-bg);
  color: var(--black);
}

body.dark-mode .card,
body.dark-mode .stat-card,
body.dark-mode .news-item,
body.dark-mode .event-item,
body.dark-mode .login-section,
body.dark-mode .mobile-menu,
body.dark-mode .desktop-submenu {
  background: var(--white);
  color: var(--black);
}

body.dark-mode .desktop-nav,
body.dark-mode .mobile-nav {
  background: var(--dark-blue);
}

body.dark-mode .desktop-nav a,
body.dark-mode .mobile-menu a,
body.dark-mode .submenu-toggle {
  color: var(--black);
}

body.dark-mode .desktop-nav a:hover,
body.dark-mode .mobile-menu a:hover,
body.dark-mode .submenu-toggle:hover {
  color: var(--gold);
}

body.dark-mode .form-group input,
body.dark-mode .form-group select,
body.dark-mode .form-group textarea {
  background: var(--white);
  color: var(--black);
  border-color: var(--light-gray);
}

body.dark-mode .btn {
  background: var(--blue);
  color: var(--white);
}

body.dark-mode .btn:hover {
  background: #003a8c;
}

body.dark-mode .btn-gold {
  background: var(--gold);
  color: var(--dark-blue);
}

body.dark-mode .btn-gold:hover {
  background: #b8942f;
}

/* Animation Classes */
.fade-in {
  animation: fadeIn 0.5s ease-in;
}

.slide-in {
  animation: slideIn 0.3s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideIn {
  from { transform: translateY(-20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* Loading Spinner */
.loading-spinner {
  border: 4px solid #f3f3f3;
  border-top: 4px solid var(--blue);
  border-radius: 50%;
  width: 30px;
  height: 30px;
  animation: spin 1s linear infinite;
  margin: 20px auto;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Password Strength Indicator */
.password-strength {
  font-size: 0.8rem;
  margin-top: 5px;
}

.strength-weak { color: red; }
.strength-medium { color: orange; }
.strength-strong { color: green; }

/* Form Validation */
.form-group.error input,
.form-group.error select,
.form-group.error textarea {
  border-color: var(--danger);
}

.form-group.success input,
.form-group.success select,
.form-group.success textarea {
  border-color: var(--success);
}

/* Alerts */
.alert {
  padding: 15px;
  margin-bottom: 20px;
  border: 1px solid transparent;
  border-radius: 4px;
  position: relative;
}

.alert-success {
  color: #155724;
  background-color: #d4edda;
  border-color: #c3e6cb;
}

.alert-danger {
  color: #721c24;
  background-color: #f8d7da;
  border-color: #f5c6cb;
}

.alert-warning {
  color: #856404;
  background-color: #fff3cd;
  border-color: #ffeaa7;
}

.alert-info {
  color: #0c5460;
  background-color: #d1ecf1;
  border-color: #bee5eb;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  margin: 20px 0;
}

.pagination a {
  color: var(--blue);
  padding: 8px 16px;
  text-decoration: none;
  border: 1px solid #ddd;
  margin: 0 4px;
}

.pagination a.active {
  background-color: var(--blue);
  color: white;
}

.pagination a:hover:not(.active) {
  background-color: #ddd;
}

/* Responsive Images */
.responsive-img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* Responsive Videos */
.responsive-video {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  overflow: hidden;
}

.responsive-video iframe,
.responsive-video video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 8px;
}

/* Tooltip */
.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip .tooltiptext {
  visibility: hidden;
  width: 120px;
  background-color: var(--dark-blue);
  color: var(--white);
  text-align: center;
  border-radius: 6px;
  padding: 5px;
  position: absolute;
  z-index: 1;
  bottom: 125%;
  left: 50%;
  margin-left: -60px;
  opacity: 0;
  transition: opacity 0.3s;
  font-size: 0.8rem;
}

.tooltip:hover .tooltiptext {
  visibility: visible;
  opacity: 1;
}

/* Progress Bar */
.progress-bar {
  width: 100%;
  background-color: #f1f1f7;
  border-radius: 10px;
  overflow: hidden;
  margin: 10px 0;
}

.progress-bar-fill {
  height: 20px;
  background: var(--blue);
  width: 0%;
  transition: width 0.3s ease;
}

/* Badge */
.badge {
  display: inline-block;
  padding: 0.25em 0.4em;
  font-size: 75%;
  font-weight: 700;
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  vertical-align: baseline;
  border-radius: 0.25rem;
  background-color: var(--blue);
  color: var(--white);
}

.badge-success {
  background-color: var(--success);
}

.badge-danger {
  background-color: var(--danger);
}

.badge-warning {
  background-color: var(--warning);
  color: var(--dark-blue);
}

.badge-gold {
  background-color: var(--gold);
  color: var(--dark-blue);
}

/* Card with Image */
.card-img-top {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-top-left-radius: 12px;
  border-top-right-radius: 12px;
}

.card-body {
  padding: 20px;
}

.card-title {
  margin-bottom: 10px;
  color: var(--blue);
}

.card-text {
  color: var(--gray);
}

/* Social Media Buttons */
.social-btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 15px;
  margin: 5px;
  border-radius: 6px;
  text-decoration: none;
  color: white;
  font-weight: 500;
}

.social-btn i {
  margin-right: 8px;
}

.btn-facebook { background: #3b5998; }
.btn-twitter { background: #1da1f2; }
.btn-instagram { background: #e1306c; }
.btn-whatsapp { background: #25d366; }

/* Messages System */
.messages-container {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 200px);
  max-height: 800px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 71, 171, 0.1);
  overflow: hidden;
}

.messages-header {
  background: var(--blue);
  color: white;
  padding: 15px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.messages-sidebar {
  width: 100%;
  background: #f8f9fa;
  border-right: 1px solid #ddd;
  overflow-y: auto;
  max-height: 300px;
}

.messages-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.conversation-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.conversation-item {
  padding: 15px 20px;
  border-bottom: 1px solid #eee;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
}

.conversation-item:hover {
  background: #eef2f7;
}

.conversation-item.active {
  background: #0047AB;
  color: white;
}

.conversation-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--gold);
}

.conversation-avatar-placeholder {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: #f0f0f0;
  border: 2px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: #ccc;
}

.conversation-info {
  flex: 1;
}

.conversation-name {
  font-weight: 600;
  margin-bottom: 3px;
}

.conversation-preview {
  font-size: 0.85rem;
  color: #666;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.messages-chat {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  background: #f8f9fa;
}

.message-bubble {
  max-width: 70%;
  padding: 12px 16px;
  border-radius: 18px;
  margin-bottom: 15px;
  position: relative;
  word-wrap: break-word;
}

.message-sent {
  background: var(--blue);
  color: white;
  margin-left: auto;
  border-bottom-right-radius: 4px;
}

.message-received {
  background: white;
  color: #333;
  margin-right: auto;
  border-bottom-left-radius: 4px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.message-info {
  font-size: 0.75rem;
  margin-top: 5px;
  opacity: 0.8;
}

.messages-input {
  padding: 15px;
  background: white;
  border-top: 1px solid #ddd;
  display: flex;
  gap: 10px;
}

.messages-input textarea {
  flex: 1;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 24px;
  resize: none;
  font-size: 1rem;
  height: 50px;
}

.messages-input button {
  background: var(--blue);
  color: white;
  border: none;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.messages-input button:hover {
  background: #003a8c;
}

.new-message-form {
  background: white;
  border-radius: 12px;
  padding: 25px;
  margin: 20px 0;
  box-shadow: 0 4px 12px rgba(0, 71, 171, 0.1);
}

.form-group {
  margin-bottom: 15px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: 600;
  color: var(--dark-blue);
}

.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 1rem;
}

.form-group textarea {
  height: 100px;
  resize: vertical;
}

.no-conversation {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: #666;
  text-align: center;
}

.unread-count {
  background: var(--gold);
  color: var(--dark-blue);
  border-radius: 50%;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: bold;
}

/* Meetings System */
.meeting-card {
  background: var(--white);
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 71, 171, 0.1);
  padding: 25px;
  margin: 20px 0;
  border-left: 4px solid var(--blue);
}

.meeting-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}

.meeting-title {
  color: var(--blue);
  margin: 0;
}

.meeting-date {
  color: #666;
  font-size: 0.9rem;
}

.meeting-details {
  margin: 15px 0;
  padding: 15px;
  background: #f8f9fa;
  border-radius: 8px;
}

.meeting-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.btn-meeting {
  background-color: var(--blue);
  color: var(--white);
  padding: 10px 20px;
  text-decoration: none;
  border-radius: 6px;
  display: inline-block;
  font-weight: 600;
}

.btn-meeting:hover {
  background-color: #003a8c;
}

.btn-gold {
  background-color: var(--gold);
  color: var(--dark-blue);
}

.btn-gold:hover {
  background-color: #b8942f;
}

.btn-danger {
  background-color: var(--danger);
  color: var(--white);
}

.btn-danger:hover {
  background-color: #c82333;
}

.rsvp-status {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: bold;
  color: white;
  background: var(--gold);
}

.meeting-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin: 20px 0;
}

.stat-card {
  background: var(--white);
  border-radius: 10px;
  padding: 20px;
  text-align: center;
  box-shadow: 0 4px 8px rgba(0, 71, 171, 0.1);
}

.stat-number {
  font-size: 2.5rem;
  color: var(--gold);
  font-weight: bold;
}