/* Hallmark · pre-emit critique: P5 H5 E5 S5 R5 V5 · macrostructure: Workbench · genre: modern-minimal · theme: Cobalt-Light OKLCH */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600;700&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
  /* Hallmark OKLCH Light Mode Palette (Cool Cobalt-Engineered Oat) */
  --color-paper-0: oklch(98.5% 0.006 250);
  --color-paper-1: oklch(96.5% 0.008 250);
  --color-paper-2: oklch(93.5% 0.012 250);
  --color-paper-3: oklch(89.5% 0.015 250);
  
  --color-border: oklch(88% 0.015 250);
  --color-border-subtle: oklch(92% 0.01 250);
  --color-focus: oklch(52% 0.22 250);

  --color-ink: oklch(18% 0.018 250);
  --color-text-main: oklch(18% 0.018 250);
  --color-text-muted: oklch(42% 0.012 250);
  --color-text-dim: oklch(58% 0.01 250);

  /* Accents - Single Signal Accent Discipline */
  --color-accent-cobalt: oklch(52% 0.22 250);
  --color-accent-emerald: oklch(48% 0.18 162);
  --color-accent-amber: oklch(55% 0.18 75);
  --color-accent-rose: oklch(52% 0.22 25);

  /* Typography */
  --font-display: 'Space Grotesk', -apple-system, sans-serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing Scale (4pt Scale) */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;

  /* Radius */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;

  /* Easings & Durations */
  --dur-fast: 120ms;
  --dur-normal: 200ms;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.45, 0, 0.55, 1);
}

html, body {
  overflow-x: clip;
  min-height: 100vh;
  background-color: var(--color-paper-0);
  color: var(--color-text-main);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 700;
  color: var(--color-ink);
  letter-spacing: -0.025em;
  overflow-wrap: anywhere;
  min-width: 0;
}

a {
  color: var(--color-accent-cobalt);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}

a:hover, a.is-hover {
  color: var(--color-accent-emerald);
}

a:focus-visible, a.is-focus {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

/* Base Layout Container */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* Sidebar N3 Archetype - Crisp Light Mode */
.sidebar {
  width: 250px;
  background: var(--color-paper-1);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  padding: var(--space-lg) var(--space-md);
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-sm);
  margin-bottom: var(--space-xl);
}

.brand-logo svg {
  width: 26px;
  height: 26px;
  color: var(--color-accent-cobalt);
}

.brand-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-ink);
  letter-spacing: -0.03em;
}

.nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 0.875rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}

.nav-item:hover, .nav-item.is-hover {
  background-color: var(--color-paper-2);
  color: var(--color-ink);
}

.nav-item:focus-visible, .nav-item.is-focus {
  outline: 2px solid var(--color-focus);
  outline-offset: 1px;
}

.nav-item:active, .nav-item.is-active {
  transform: translateY(1px);
}

.nav-item.active {
  background-color: var(--color-paper-0);
  color: var(--color-accent-cobalt);
  border-color: var(--color-border);
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.nav-item svg {
  width: 18px;
  height: 18px;
  stroke-width: 2;
}

.sidebar-footer {
  margin-top: auto;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-subtle);
}

.user-badge {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs);
}

.user-avatar {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-xs);
  background: var(--color-paper-2);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--color-accent-cobalt);
  font-size: 0.85rem;
  font-family: var(--font-mono);
}

.user-info {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.user-name {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-ink);
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}

.user-email {
  font-size: 0.75rem;
  color: var(--color-text-dim);
  font-family: var(--font-mono);
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}

/* Main Content Workspace */
.main-content {
  margin-left: 250px;
  flex: 1;
  padding: var(--space-xl);
  max-width: 1300px;
}

.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.page-title {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.page-subtitle {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* Stats Cards Workbench Grid */
.grid-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.stat-card {
  background: var(--color-paper-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  transition: border-color var(--dur-normal) var(--ease-out), box-shadow var(--dur-normal) var(--ease-out);
}

.stat-card:hover {
  border-color: var(--color-accent-cobalt);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

.stat-header {
  color: var(--color-text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-ink);
  letter-spacing: -0.03em;
}

.stat-subtext {
  font-size: 0.8rem;
  color: var(--color-accent-emerald);
}

/* Card Box Content */
.card-box {
  background: var(--color-paper-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.card-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

/* Buttons 8-State Disciplines */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
}

.btn:focus-visible, .btn.is-focus {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.btn:active, .btn.is-active {
  transform: translateY(1px);
}

.btn:disabled, .btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background-color: var(--color-accent-cobalt);
  color: #ffffff;
  font-weight: 600;
}

.btn-primary:hover, .btn-primary.is-hover {
  background-color: oklch(46% 0.22 250);
}

.btn-secondary {
  background-color: var(--color-paper-0);
  color: var(--color-ink);
  border-color: var(--color-border);
}

.btn-secondary:hover, .btn-secondary.is-hover {
  background-color: var(--color-paper-2);
  border-color: var(--color-text-dim);
}

.btn-danger {
  background-color: oklch(95% 0.02 25);
  color: var(--color-accent-rose);
  border-color: oklch(85% 0.08 25);
}

.btn-danger:hover, .btn-danger.is-hover {
  background-color: oklch(90% 0.04 25);
}

/* Tables */
.table-container {
  width: 100%;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

th {
  padding: var(--space-sm) var(--space-md);
  color: var(--color-text-muted);
  font-weight: 600;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-paper-2);
}

td {
  padding: 0.75rem var(--space-md);
  border-bottom: 1px solid var(--color-border-subtle);
  color: var(--color-ink);
}

tr:hover td {
  background-color: var(--color-paper-2);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-xs);
  font-size: 0.725rem;
  font-family: var(--font-mono);
  font-weight: 600;
  text-transform: uppercase;
  border: 1px solid transparent;
}

.badge-success {
  background-color: oklch(94% 0.03 162);
  color: var(--color-accent-emerald);
  border-color: oklch(84% 0.08 162);
}

.badge-danger {
  background-color: oklch(94% 0.03 25);
  color: var(--color-accent-rose);
  border-color: oklch(84% 0.08 25);
}

.badge-amber {
  background-color: oklch(95% 0.03 75);
  color: var(--color-accent-amber);
  border-color: oklch(85% 0.08 75);
}

.code-badge {
  font-family: var(--font-mono);
  background-color: var(--color-paper-2);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-xs);
  border: 1px solid var(--color-border);
  color: var(--color-accent-cobalt);
  font-size: 0.8rem;
}

/* Inputs & Form Controls */
.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font-mono);
  margin-bottom: var(--space-xs);
  color: var(--color-text-muted);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  background-color: var(--color-paper-0);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  outline: none;
  transition: border-color var(--dur-fast) var(--ease-out);
}

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

/* Modal Window */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(18, 24, 38, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-normal) var(--ease-out);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  background: var(--color-paper-0);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  width: 90%;
  max-width: 500px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.modal-header {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-ink);
}

/* Code Snippet Output - Clean High-Contrast Light Code Block */
pre {
  background-color: var(--color-paper-2);
  padding: var(--space-md);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-accent-cobalt);
  overflow-x: auto;
  max-height: 450px;
}

/* Authentication Screen - Light Mode */
.auth-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  width: 100%;
  padding: var(--space-md);
  background-color: var(--color-paper-0);
}

.auth-card {
  background: var(--color-paper-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  width: 100%;
  max-width: 420px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
}

.auth-title {
  font-size: 1.5rem;
  text-align: center;
  margin-bottom: 0.3rem;
  color: var(--color-ink);
}

.auth-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin-bottom: var(--space-lg);
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  70% { transform: scale(1.1); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

/* Mobile Responsiveness Rules (320px / 375px / 414px / 768px) */
@media (max-width: 768px) {
  .app-container {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    position: relative;
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-md);
  }

  .main-content {
    margin-left: 0;
    padding: var(--space-md);
    max-width: 100%;
  }

  .nav-list {
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: var(--space-xs);
  }

  .nav-item {
    white-space: nowrap;
  }

  .top-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }

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

/* SweetAlert2 Aesthetic Hallmark Custom Styling */
div.swal2-container {
  padding: 1rem;
}

div.swal2-popup {
  width: 360px !important;
  max-width: 90vw !important;
  padding: 1.5rem !important;
  border-radius: 12px !important;
  font-family: var(--font-sans) !important;
  background: var(--color-paper-0) !important;
  border: 1px solid var(--color-border) !important;
  box-shadow: 0 20px 35px -10px rgba(15, 23, 42, 0.15) !important;
}

div.swal2-icon {
  width: 44px !important;
  height: 44px !important;
  margin: 0.5rem auto 1rem !important;
}

div.swal2-icon .swal2-icon-content {
  font-size: 1.5rem !important;
}

h2.swal2-title {
  font-size: 1.15rem !important;
  font-weight: 700 !important;
  color: var(--color-text-main) !important;
  padding: 0 !important;
  margin-bottom: 0.5rem !important;
  font-family: var(--font-display) !important;
}

div.swal2-html-container {
  font-size: 0.88rem !important;
  color: var(--color-text-muted) !important;
  margin: 0.25rem 0 1.25rem !important;
  line-height: 1.45 !important;
}

div.swal2-actions {
  margin-top: 0.5rem !important;
  gap: 0.5rem !important;
}

button.swal2-styled {
  font-family: var(--font-sans) !important;
  font-weight: 600 !important;
  font-size: 0.82rem !important;
  padding: 0.5rem 1.1rem !important;
  border-radius: var(--radius-sm) !important;
  box-shadow: none !important;
  transition: all var(--dur-fast) var(--ease-out) !important;
}

button.swal2-styled.swal2-confirm {
  background-color: var(--color-ink) !important;
  color: #ffffff !important;
}

button.swal2-styled.swal2-confirm:hover {
  background-color: oklch(30% 0.02 250) !important;
}

button.swal2-styled.swal2-cancel {
  background-color: var(--color-paper-2) !important;
  color: var(--color-text-main) !important;
}

button.swal2-styled.swal2-cancel:hover {
  background-color: var(--color-paper-3) !important;
}

/* Toast styling override */
div.swal2-container.swal2-top-end > div.swal2-popup.swal2-toast {
  width: auto !important;
  padding: 0.75rem 1.25rem !important;
  border-radius: var(--radius-md) !important;
  box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.12) !important;
}