/* CSS Variables */
:root {
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-success: #16a34a;
  --color-danger: #dc2626;
  --color-warning: #d97706;
  --color-info: #2563eb;
  --color-gray: #6b7280;
  --color-light: #f3f4f6;
  --color-border: #e5e7eb;
  --color-text: #1f2937;
  --color-text-secondary: #6b7280;
  --color-bg: #f9fafb;
  --color-white: #ffffff;

  /* Status colors */
  --status-new: #16a34a;
  --status-new-bg: #dcfce7;
  --status-in-progress: #2563eb;
  --status-in-progress-bg: #dbeafe;
  --status-done: #6b7280;
  --status-done-bg: #f3f4f6;
  --status-rejected: #dc2626;
  --status-rejected-bg: #fee2e2;

  --radius: 6px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Navbar */
.navbar {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: 0 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  height: 56px;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar-logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-primary);
}
.navbar-logo:hover { text-decoration: none; }
.navbar-logo-img { height: 28px; display: block; }

.navbar-burger {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text);
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
}

.navbar-item {
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
  color: var(--color-text);
  font-size: 0.9rem;
  white-space: nowrap;
}
.navbar-item:hover {
  background: var(--color-light);
  text-decoration: none;
}

.navbar-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.navbar-user {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar-logout { display: inline; }

/* Container */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem 1rem;
  flex: 1;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  padding: 0.5rem 1rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; }

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

.btn-success { background: var(--color-success); color: white; }
.btn-success:hover { background: #15803d; }

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

.btn-outline {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}
.btn-outline:hover { background: var(--color-light); }

.btn-sm { padding: 0.25rem 0.5rem; font-size: 0.8rem; }
.btn-block { width: 100%; }

/* Forms */
.form { max-width: 100%; }

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.375rem;
  font-weight: 500;
  font-size: 0.875rem;
}

.form-control {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  line-height: 1.5;
  background: var(--color-white);
  transition: border-color 0.15s;
}
.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

select.form-control {
  appearance: auto;
}

.form-inline {
  display: flex;
  gap: 0.5rem;
  align-items: end;
  flex-wrap: wrap;
}

/* Alerts / Flash */
.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

.alert-success { background: var(--status-new-bg); color: #15803d; border: 1px solid #bbf7d0; }
.alert-error { background: var(--status-rejected-bg); color: #b91c1c; border: 1px solid #fecaca; }
.alert-info { background: var(--status-in-progress-bg); color: #1d4ed8; border: 1px solid #bfdbfe; }
.alert-warning { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.5rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-role {
  background: var(--color-light);
  color: var(--color-text-secondary);
}

.badge-status-NEW { background: var(--status-new-bg); color: var(--status-new); }
.badge-status-IN_PROGRESS { background: var(--status-in-progress-bg); color: var(--status-in-progress); }
.badge-status-DONE { background: var(--status-done-bg); color: var(--status-done); }
.badge-status-REJECTED { background: var(--status-rejected-bg); color: var(--status-rejected); }

/* Login page */
.login-container {
  max-width: 400px;
  margin: 3rem auto;
  padding: 2rem;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.login-container h1 {
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
  text-align: center;
}

/* SSO */
.sso-section {
  margin-bottom: 1rem;
}

.sso-divider {
  display: flex;
  align-items: center;
  margin: 1rem 0;
  color: var(--color-text-secondary);
  font-size: 0.85rem;
}

.sso-divider::before,
.sso-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

.sso-divider span {
  padding: 0 0.75rem;
}

/* Tables */
.table-responsive {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

th, td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.875rem;
}

th {
  background: var(--color-light);
  font-weight: 600;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

tr:hover { background: #f9fafb; }

.col-date { white-space: nowrap; }

/* Cards (mobile view for tickets) */
.ticket-cards { display: none; }

.ticket-card {
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem;
  margin-bottom: 0.75rem;
}

.ticket-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.ticket-card-id {
  font-weight: 600;
  color: var(--color-primary);
}

.ticket-card-body {
  color: var(--color-text);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.ticket-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

/* Page header */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-header h1 {
  font-size: 1.5rem;
}

/* Filters */
.filters {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

.filters .form-control {
  width: auto;
  min-width: 150px;
}

.filter-checkbox {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.9rem;
  cursor: pointer;
  white-space: nowrap;
}

.count-active {
  color: var(--color-success);
}

/* Ticket detail */
.ticket-detail {
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.ticket-detail h1 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.ticket-meta {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

.ticket-meta dt {
  color: var(--color-text-secondary);
  font-weight: 500;
}

.ticket-meta dd {
  margin: 0 0 0.5rem;
}

.ticket-description {
  padding: 1rem;
  background: var(--color-light);
  border-radius: var(--radius);
  word-wrap: break-word;
  font-size: 0.875rem;
}

.ticket-description p { margin: 0 0 0.5em; }
.ticket-description p:last-child { margin-bottom: 0; }
.ticket-description ul,
.ticket-description ol { margin: 0.25em 0 0.5em 1.5em; }
.ticket-description li { margin-bottom: 0.2em; }
.ticket-description strong { font-weight: 600; }
.ticket-description a { color: var(--color-primary); }
.ticket-description img { max-width: 100%; height: auto; border-radius: var(--radius); margin: 0.5em 0; display: block; }

/* Sections */
.section {
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.section h2 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

/* Comments */
.comment {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border);
}
.comment:last-child { border-bottom: none; }

.comment-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.375rem;
}

.comment-text {
  font-size: 0.875rem;
  white-space: pre-wrap;
  word-wrap: break-word;
}

/* History */
.history-item {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}
.history-item:last-child { border-bottom: none; }

/* Attachments */
.attachment-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.attachment-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  max-width: 180px;
  font-size: 0.8rem;
  text-align: center;
}

.attachment-item a {
  overflow-wrap: break-word;
  word-break: break-all;
  max-width: 160px;
}

.attachment-preview {
  max-width: 150px;
  max-height: 120px;
  border-radius: 4px;
}

/* Status actions */
.status-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

/* Error page */
.error-page {
  text-align: center;
  padding: 3rem 1rem;
}
.error-page h1 { margin-bottom: 1rem; }
.error-page p { margin-bottom: 1.5rem; color: var(--color-text-secondary); }

/* Footer */
.footer {
  text-align: center;
  padding: 1rem;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  border-top: 1px solid var(--color-border);
}

/* Admin forms */
.admin-form {
  max-width: 600px;
}

/* Ticket form (wider) */
.ticket-form { max-width: 800px; }
.ticket-form textarea.form-control { min-height: 200px; }

/* Image viewer */
.image-viewer {
  text-align: center;
  background: var(--color-light);
  border-radius: var(--radius);
  padding: 1rem;
}
.image-viewer-img {
  max-width: 100%;
  max-height: 80vh;
  border-radius: 4px;
  box-shadow: var(--shadow);
}

/* Ticket detail 2x2 grid */
.ticket-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1.5rem;
}
.ticket-grid .section,
.ticket-grid .ticket-detail {
  margin-bottom: 0;
}

.admin-table-actions {
  display: flex;
  gap: 0.375rem;
}

/* Utility */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-secondary); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }

/* FAQ nav link */
.navbar-faq {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-danger) !important;
}

/* FAQ page wider container — override .container when FAQ content is present */
.container:has(.faq-page) {
  max-width: 3300px;
}

/* FAQ */
.faq-section {
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 1rem;
}

.faq-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  font-weight: 600;
  font-size: 1.05rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.faq-section-header::-webkit-details-marker { display: none; }

.faq-section-header::before {
  content: '▶';
  font-size: 0.7rem;
  margin-right: 0.5rem;
  transition: transform 0.15s;
  color: var(--color-text-secondary);
}

.faq-section[open] > .faq-section-header::before {
  transform: rotate(90deg);
}

.faq-section-actions {
  display: flex;
  gap: 0.375rem;
}

.faq-article-list {
  border-top: 1px solid var(--color-border);
}

.faq-article-link {
  display: block;
  padding: 0.625rem 1.25rem 0.625rem 2rem;
  color: var(--color-text);
  font-size: 1.08rem;
  text-decoration: underline;
  border-bottom: 1px solid var(--color-border);
}
.faq-article-link:last-child { border-bottom: none; }
.faq-article-link:hover {
  background: var(--color-light);
}

.faq-article-content {
  line-height: 1.7;
  font-size: 0.95rem;
}
.faq-article-content img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  margin: 0.5rem 0;
}

.faq-article-meta {
  font-size: 0.8rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border);
}

.faq-quill-editor {
  min-height: 250px;
  background: var(--color-white);
}

.ticket-quill-editor {
  min-height: 180px;
  background: var(--color-white);
}

/* Image source popup (mobile: camera / gallery) */
.ticket-img-popup {
  position: absolute;
  z-index: 9999;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  overflow: hidden;
  min-width: 190px;
}

.ticket-img-popup-btn {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.75rem 1rem;
  border: none;
  background: none;
  text-align: left;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.4;
}

.ticket-img-popup-btn:not(:last-child) {
  border-bottom: 1px solid var(--color-border);
}

.ticket-img-popup-btn:active {
  background: var(--color-light);
}

/* Autocomplete dropdown */
.autocomplete-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  max-height: 200px;
  overflow-y: auto;
  z-index: 50;
}

.autocomplete-item {
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  cursor: pointer;
}
.autocomplete-item:hover {
  background: var(--color-light);
}

/* Responsive */
@media (max-width: 768px) {
  .navbar {
    flex-wrap: wrap;
    height: auto;
    padding: 0.75rem 1rem;
  }

  .navbar-burger { display: block; }

  .navbar-menu {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding: 0.5rem 0;
  }

  .navbar-menu.active { display: flex; }

  .navbar-right {
    margin-left: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--color-border);
  }

  .ticket-cards { display: block; }
  .hide-on-mobile { display: none; }

  .page-header { flex-direction: column; align-items: stretch; }

  .filters { flex-direction: column; }
  .filters .form-control { width: 100%; }

  .ticket-meta { grid-template-columns: 1fr; }

  .ticket-grid { grid-template-columns: 1fr; }
}