/* Gigas Nastavnik Dashboard CSS v1.1.0 */
/* Corporate style: blue/gray. v1.1.0: auth links, OTP, success message */

:root {
  --primary: #1a5fa8;
  --primary-dark: #144d8c;
  --primary-light: #2d7dd2;
  --secondary: #4a90d9;
  --bg: #f0f2f5;
  --bg-card: #ffffff;
  --sidebar-bg: #0f2d57;
  --sidebar-text: #c8d8f0;
  --sidebar-active: #1a5fa8;
  --sidebar-hover: #1a3a6e;
  --text: #1a1a2e;
  --text-secondary: #5a6a7e;
  --border: #dde3ec;
  --success: #27ae60;
  --warning: #f39c12;
  --danger: #e74c3c;
  --info: #3498db;
  --shadow: 0 2px 12px rgba(26,95,168,0.10);
  --radius: 10px;
  --sidebar-width: 256px;
}

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

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
}

/* ========== LOGIN ========== */
.login-overlay {
  position: fixed; inset: 0;
  background: linear-gradient(135deg, #0f2d57 0%, #1a5fa8 60%, #2d7dd2 100%);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
}

.login-card {
  background: #fff;
  border-radius: 16px;
  padding: 48px 40px 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
}

.login-logo {
  text-align: center;
  margin-bottom: 32px;
}

.logo-icon {
  width: 64px; height: 64px;
  background: var(--primary);
  border-radius: 16px;
  color: #fff;
  font-size: 32px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.logo-icon.small {
  width: 36px; height: 36px;
  font-size: 18px;
  border-radius: 8px;
}

.login-logo h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.login-logo p {
  color: var(--text-secondary);
  font-size: 13px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
  font-size: 13px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  color: var(--text);
  background: #fff;
  transition: border-color 0.2s;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,95,168,0.12);
}

.login-error {
  background: #fdecea;
  color: var(--danger);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
  border: 1px solid #f9c4bf;
}

.login-success {
  background: #eafaf1;
  color: var(--success);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
  border: 1px solid #a9dfbf;
}

.auth-links {
  display: flex;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.auth-links a {
  color: var(--primary);
  font-size: 13px;
  text-decoration: none;
  font-weight: 500;
}

.auth-links a:hover { text-decoration: underline; }

.auth-hint {
  color: var(--text-secondary);
  font-size: 13px;
  margin-bottom: 16px;
  text-align: center;
}

/* OTP input — крупный шрифт */
#otp-input {
  font-size: 22px !important;
  letter-spacing: 6px !important;
  text-align: center !important;
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

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

.btn-outline {
  background: transparent;
  color: var(--sidebar-text);
  border: 1.5px solid rgba(200,216,240,0.3);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
}

.btn-sm { padding: 6px 12px; font-size: 13px; }

.btn-full { width: 100%; justify-content: center; }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #c0392b; }

.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #219a52; }

.btn-secondary { background: #e8eff8; color: var(--primary); }
.btn-secondary:hover { background: #d5e5f5; }

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

.sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: transform 0.3s ease;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 18px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 700;
  font-size: 15px;
}

button.sidebar-toggle {
  background: none;
  border: none;
  color: var(--sidebar-text);
  font-size: 18px;
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  transition: color 0.2s;
}
button.sidebar-toggle:hover { color: #fff; }

#sidebar-open {
  font-size: 22px;
  color: var(--text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  transition: color 0.2s;
}
#sidebar-open:hover { color: var(--primary); }

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 18px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
  border-left: 3px solid transparent;
}

.nav-item:hover {
  background: var(--sidebar-hover);
  color: #fff;
}

.nav-item.active {
  background: var(--sidebar-active);
  color: #fff;
  border-left-color: #64b3f4;
}

.nav-icon {
  font-size: 16px;
  width: 22px;
  text-align: center;
}

.sidebar-footer {
  padding: 16px 18px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.main-wrapper {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  height: 60px;
  background: #fff;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 1px 6px rgba(0,0,0,0.06);
}

.topbar-title {
  flex: 1;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

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

.version-badge {
  background: var(--primary);
  color: #fff;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s;
  letter-spacing: 0.5px;
}
.version-badge:hover { background: var(--primary-dark); }

.main-content {
  flex: 1;
  padding: 28px 28px 40px;
}

/* ========== CARDS & STATS ========== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 22px 20px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 16px;
  transition: transform 0.2s;
}
.stat-card:hover { transform: translateY(-2px); }

.stat-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}

.stat-icon.blue { background: #e3f0fb; }
.stat-icon.green { background: #e6f7ee; }
.stat-icon.orange { background: #fef3e2; }
.stat-icon.red { background: #fdecea; }

.stat-info h3 {
  font-size: 28px;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-info p {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
}

.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 22px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
}

.card-header h2 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

.card-body { padding: 20px 22px; }

/* ========== TABLE ========== */
.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

thead th {
  background: #f4f7fb;
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
}

tbody td {
  padding: 11px 14px;
  border-bottom: 1px solid #f0f2f5;
  color: var(--text);
  vertical-align: middle;
}

tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: #f8fafd; }

.table-link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}
.table-link:hover { text-decoration: underline; }

/* ========== BADGES ========== */
.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.badge-success { background: #e6f7ee; color: var(--success); }
.badge-warning { background: #fef3e2; color: var(--warning); }
.badge-danger { background: #fdecea; color: var(--danger); }
.badge-info { background: #e3f0fb; color: var(--info); }
.badge-secondary { background: #f0f2f5; color: var(--text-secondary); }
.badge-onboarding { background: #e3f0fb; color: var(--primary); }

/* ========== PAGINATION ========== */
.pagination {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}

.pagination button {
  padding: 6px 12px;
  border: 1.5px solid var(--border);
  background: #fff;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

.pagination button:hover,
.pagination button.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.pagination button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ========== DETAIL VIEW ========== */
.detail-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}

.detail-avatar {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.detail-info h2 { font-size: 20px; font-weight: 700; }
.detail-info p { color: var(--text-secondary); font-size: 13px; }

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}

.info-item {
  background: #f8fafd;
  border-radius: 8px;
  padding: 14px 16px;
}
.info-item .label {
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}
.info-item .value {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

/* ========== CHAT ========== */
.chat-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 500px;
  overflow-y: auto;
  padding: 16px;
  background: #f8fafd;
  border-radius: 8px;
}

.chat-message {
  max-width: 80%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 13px;
  line-height: 1.5;
}

.chat-message.user {
  align-self: flex-end;
  background: var(--primary);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.chat-message.assistant {
  align-self: flex-start;
  background: #fff;
  color: var(--text);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}

.chat-message .msg-time {
  font-size: 10px;
  opacity: 0.6;
  margin-top: 4px;
  display: block;
}

/* ========== SETTINGS ========== */
.settings-group {
  margin-bottom: 28px;
}

.settings-group h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.setting-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid #f0f2f5;
}

.setting-item:last-child { border-bottom: none; }

.setting-meta {
  flex: 1;
}

.setting-meta .setting-key {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  font-family: monospace;
  margin-bottom: 3px;
}

.setting-meta .setting-desc {
  font-size: 12px;
  color: var(--text-secondary);
}

.setting-control {
  min-width: 260px;
}

.setting-control input,
.setting-control textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  color: var(--text);
  background: #fff;
  transition: border-color 0.2s;
  outline: none;
  font-family: inherit;
}

.setting-control textarea {
  min-height: 80px;
  resize: vertical;
  font-size: 12px;
  font-family: monospace;
}

.setting-control input:focus,
.setting-control textarea:focus {
  border-color: var(--primary);
}

/* ========== INSTRUCTIONS ========== */
.instructions-content {
  line-height: 1.8;
}

.instructions-content h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin: 24px 0 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border);
}

.instructions-content h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--primary);
  margin: 16px 0 8px;
}

.instructions-content p {
  color: var(--text);
  margin-bottom: 10px;
}

.instructions-content ul, .instructions-content ol {
  padding-left: 22px;
  margin-bottom: 12px;
}

.instructions-content li {
  margin-bottom: 6px;
  color: var(--text);
}

.instructions-content code {
  background: #f0f4fa;
  color: var(--primary-dark);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: monospace;
  font-size: 12px;
}

.instructions-content pre {
  background: #1a1a2e;
  color: #c8d8f0;
  padding: 16px;
  border-radius: 8px;
  overflow-x: auto;
  font-family: monospace;
  font-size: 12px;
  margin-bottom: 14px;
}

/* ========== MODAL ========== */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  padding: 20px;
}

.modal {
  background: #fff;
  border-radius: 14px;
  width: 100%;
  max-width: 520px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 {
  font-size: 18px;
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--text-secondary);
  padding: 4px;
  border-radius: 4px;
  transition: color 0.2s;
}
.modal-close:hover { color: var(--text); }

.modal-body {
  padding: 22px 24px;
  overflow-y: auto;
}

.changelog-version {
  margin-bottom: 22px;
}

.version-tag {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  border-radius: 6px;
  padding: 4px 12px;
  font-weight: 700;
  font-size: 13px;
  margin-bottom: 4px;
}

.version-date {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.changelog-version ul {
  padding-left: 4px;
  list-style: none;
}

.changelog-version li {
  padding: 4px 0;
  font-size: 13px;
  color: var(--text);
  border-bottom: 1px solid #f5f7fa;
}

/* ========== LOADER ========== */
.loading-spinner {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
}

.spinner {
  width: 40px; height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ========== ALERTS ========== */
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.alert-info { background: #e3f0fb; color: #1a5fa8; border-left: 3px solid var(--info); }
.alert-success { background: #e6f7ee; color: #1e8449; border-left: 3px solid var(--success); }
.alert-warning { background: #fef3e2; color: #9a6700; border-left: 3px solid var(--warning); }
.alert-danger { background: #fdecea; color: #962d2d; border-left: 3px solid var(--danger); }

/* ========== SEARCH & FILTER ========== */
.search-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.search-bar input {
  flex: 1;
  min-width: 200px;
  padding: 9px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  outline: none;
  background: #fff;
  transition: border-color 0.2s;
}

.search-bar input:focus { border-color: var(--primary); }

/* ========== iSPRING ========== */
.ispring-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.sync-status {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ========== KNOWLEDGE BASE ========== */
.knowledge-cats {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.cat-btn {
  padding: 6px 14px;
  border: 1.5px solid var(--border);
  background: #fff;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--text-secondary);
}

.cat-btn:hover,
.cat-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ========== UTILS ========== */
.hidden { display: none !important; }
.flex { display: flex; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-gap { display: flex; align-items: center; gap: 10px; }
.text-right { text-align: right; }
.text-center { text-align: center; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.text-muted { color: var(--text-secondary); font-size: 13px; }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-primary { color: var(--primary); }
.font-mono { font-family: monospace; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-secondary);
}

.empty-state .empty-icon {
  font-size: 48px;
  margin-bottom: 12px;
}

.empty-state p { font-size: 14px; }

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-wrapper {
    margin-left: 0;
  }

  .main-content {
    padding: 18px 16px 32px;
  }

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

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

  .setting-item {
    flex-direction: column;
  }

  .setting-control {
    min-width: 100%;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== PROGRESS BAR ========== */
.progress-bar-wrap {
  height: 6px;
  background: #e8eff8;
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--primary);
  border-radius: 3px;
  transition: width 0.4s ease;
}

/* ========== BACK BUTTON ========== */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  background: none;
  border: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  padding: 0;
  margin-bottom: 16px;
  transition: color 0.2s;
}

.back-btn:hover { color: var(--primary-dark); }