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

/* MLSpace Clean Minimal CSS Design — Bright KTH Light Theme with Pastel Accents & IBM Plex Sans Typography */

:root {
  /* KTH Official Primary Brand Colors */
  --kth-navy: #004791;
  --kth-digital-blue: #0029ed;
  --kth-sky-blue: #2b70c9;
  --kth-light-blue: #def0ff;
  --kth-sand: #ebe5e0;

  /* Bright Light Theme Backgrounds & Surfaces */
  --bg-color: #f4f7fb;             /* Crisp bright neutral background with light blue tint */
  --card-bg: #ffffff;             /* Crisp white card containers */
  --border-color: #e2e8f0;         /* Clean light slate border */
  --text-main: #0f172a;           /* Dark slate text for maximum legibility */
  --text-muted: #64748b;          /* Muted slate text */

  /* Interactive Elements & Highlights */
  --primary-color: #004791;        /* KTH Navy for primary text links & active indicators */
  --primary-hover: #003366;

  /* Primary Button (KTH Navy) */
  --btn-primary-bg: #004791;
  --btn-primary-hover: #003366;
  --btn-primary-text: #ffffff;

  /* Secondary Button (Light Neutral) */
  --secondary-color: #e2e8f0;
  --secondary-hover: #cbd5e1;
  --secondary-text: #1e293b;

  /* Pastel Functional Accents (matching brand guide & palette image) */
  --pastel-green-bg: #cbf0cc;
  --pastel-green-text: #1b5e20;

  --pastel-blue-bg: #def0ff;
  --pastel-blue-text: #004791;

  --pastel-yellow-bg: #fff3c4;
  --pastel-yellow-text: #856404;

  --pastel-coral-bg: #fcc5c0;
  --pastel-coral-text: #b71c1c;

  --pastel-grey-bg: #f1f5f9;
  --pastel-grey-text: #475569;

  --accent-green: #2e7d32;
  --accent-amber: #b28600;
  --accent-red: #c62828;

  --font-family: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: var(--font-family);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header — Official KTH Navy Header (slim: logo + user info only) */
.app-header {
  background-color: var(--kth-navy);
  border-bottom: 3px solid #003366;
  padding: 0.65rem 1.25rem;
  box-shadow: 0 2px 8px rgba(0, 71, 145, 0.15);
}

.header-container {
  width: 100%;
  max-width: 100%;
  margin: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: 0;
}

.logo-area h1 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.025em;
}

/* Header Toggle Button */
.btn-icon {
  background: none;
  border: none;
  color: #ffffff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem;
  border-radius: 4px;
  transition: background-color 0.2s ease;
}

.btn-icon:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

.auth-status {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.9rem;
}

#user-info-text {
  color: #d0e1f9;
}

/* Signed-out landing view. The app shell and header controls only exist for a signed-in user. */
.landing {
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem;
}

.landing-card {
  width: 100%;
  max-width: 420px;
  margin-bottom: 0;
  padding: 2.25rem 2rem;
  text-align: center;
}

.landing-card h2 {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}

.landing-card .alert {
  margin: 1.25rem 0 0;
}

.landing-card .btn {
  width: 100%;
  margin-top: 1.25rem;
  padding: 0.7rem 1rem;
}

body.signed-in .landing,
body:not(.signed-in) .app-body,
body:not(.signed-in) #btn-toggle-sidebar,
body:not(.signed-in) #auth-status {
  display: none;
}

/* App Body — Sidebar + Main Content Layout */
.app-body {
  display: flex;
  flex: 1;
  width: 100%;
}

/* Sidebar Navigation & Collapse Mechanics */
.sidebar {
  width: 220px;
  flex-shrink: 0;
  background-color: var(--card-bg);
  border-right: 1px solid var(--border-color);
  padding: 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  overflow: hidden;
}

.sidebar.collapsed {
  width: 0;
  padding: 1.25rem 0;
  border-right: none;
  opacity: 0;
  pointer-events: none;
}

.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.btn-sidebar-collapse {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  line-height: 1;
  transition: all 0.2s ease;
}

.btn-sidebar-collapse:hover {
  color: var(--kth-navy);
  background-color: var(--pastel-grey-bg);
}

/* Nav Tabs (in sidebar) */
.nav-tabs {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.65rem 0.85rem;
  cursor: pointer;
  border-left: 3px solid transparent;
  border-radius: 0 6px 6px 0;
  text-align: left;
  transition: all 0.2s ease;
}

.tab-btn:hover {
  color: var(--kth-navy);
  background-color: var(--pastel-blue-bg);
}

.tab-btn.active {
  color: var(--kth-navy);
  border-left-color: var(--kth-navy);
  background-color: var(--pastel-blue-bg);
}

.sidebar-auth {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.sidebar-auth .btn {
  width: 100%;
}

/* Main Container */
.main-container {
  max-width: 1200px;
  width: 100%;
  margin: 2rem auto;
  padding: 0 1.5rem;
  flex: 1;
  min-width: 0;
}

/* View Sections */
.view-section {
  display: none;
}

.view-section.active {
  display: block;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
}

.section-header h2 {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-main);
}

.subtext {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.25rem;
}

.breadcrumb {
  margin-top: -0.5rem;
  margin-bottom: 1.5rem;
}

.breadcrumb a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

/* Cards */
.card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-main);
}

.highlight-card {
  background-color: #f8fafc;
  border: 1px solid #bfdbfe;
  box-shadow: 0 2px 8px rgba(0, 71, 145, 0.08);
}

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.925rem;
}

.data-table th, .data-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
}

.data-table th {
  background-color: var(--pastel-grey-bg);
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.data-table tbody tr:hover {
  background-color: #f8fafc;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

.btn-primary {
  background-color: var(--btn-primary-bg);
  color: var(--btn-primary-text);
}

.btn-primary:hover {
  background-color: var(--btn-primary-hover);
  box-shadow: 0 2px 6px rgba(0, 71, 145, 0.2);
}

.btn-secondary {
  background-color: var(--secondary-color);
  color: var(--secondary-text);
  border: 1px solid #cbd5e1;
}

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

.btn-danger {
  background-color: var(--pastel-coral-bg);
  color: var(--pastel-coral-text);
  border: 1px solid #f8877f;
}

.btn-danger:hover {
  background-color: var(--accent-red);
  color: #ffffff;
}

.btn-small {
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
}

/* Forms */
.form-group {
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-group input, .form-group select {
  background-color: #ffffff;
  border: 1px solid #cbd5e1;
  color: var(--text-main);
  padding: 0.55rem 0.85rem;
  border-radius: 6px;
  font-size: 0.9rem;
}

.form-group input:focus, .form-group select:focus {
  outline: none;
  border-color: var(--kth-navy);
  box-shadow: 0 0 0 3px rgba(0, 71, 145, 0.12);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.inline-form {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.flex-1 {
  flex: 1;
}

.align-end {
  justify-content: flex-end;
}

.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  color: var(--text-main);
}

/* Scoring settings: one list of the built-in metrics */
.eval-metric-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 0.1rem 2rem;
}

.eval-metric-list label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.15rem 0;
  font-weight: 400;
  color: var(--text-main);
  cursor: pointer;
}

.form-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

/* Badges with Pastel Colors */
.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-subtle {
  background-color: var(--pastel-blue-bg);
  color: var(--pastel-blue-text);
  border: 1px solid #bfe0ff;
}

.badge-admin {
  background-color: var(--pastel-yellow-bg);
  color: var(--pastel-yellow-text);
  border: 1px solid #ffe885;
}

.badge-competitive {
  background-color: var(--pastel-green-bg);
  color: var(--pastel-green-text);
  border: 1px solid #a8e0ab;
}

.badge-collaborative {
  background-color: var(--pastel-grey-bg);
  color: var(--pastel-grey-text);
  border: 1px solid #e2e8f0;
}

/* Alert Banners */
.alert {
  padding: 0.85rem 1.25rem;
  border-radius: 6px;
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
}

.alert-error {
  background-color: #fde8e8;
  border: 1px solid #f8b4b4;
  color: #9b1c1c;
}

.alert-success {
  background-color: #def7ec;
  border: 1px solid #bcf0da;
  color: #03543f;
}

.hidden {
  display: none !important;
}

.loading-spinner, .empty-state {
  text-align: center;
  padding: 2rem;
  color: var(--text-muted);
}

/* Footer */
.app-footer {
  background-color: #ffffff;
  text-align: center;
  padding: 1.5rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--border-color);
  margin-top: auto;
}

/* Modal Overlay & Card */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(15, 23, 42, 0.45);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  padding: 1.5rem;
}

.modal-content {
  max-width: 700px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  margin-bottom: 0;
  background-color: #ffffff;
  border: 1px solid var(--border-color);
}

/* Sub-Navigation Tabs inside Registry Detail */
.subnav-tabs {
  display: flex;
  gap: 0.35rem;
  border-bottom: 2px solid var(--border-color);
  margin-bottom: 1.25rem;
}

.subtab-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.925rem;
  font-weight: 600;
  padding: 0.55rem 1rem;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: all 0.2s ease;
}

.subtab-btn:hover {
  color: var(--kth-navy);
}

.subtab-btn.active {
  color: var(--kth-navy);
  border-bottom-color: var(--kth-navy);
}