:root {
  --background: #f6f8fc;
  --foreground: #0f172a;
  --muted: #eef2ff;
  --muted-foreground: #64748b;
  --card: #ffffff;
  --card-foreground: #0f172a;
  --border: #dbe4f0;
  --input: #ffffff;
  --primary: #1d4ed8;
  --primary-foreground: #ffffff;
  --secondary: #f8fafc;
  --secondary-foreground: #0f172a;
  --accent: #eff6ff;
  --accent-foreground: #0f172a;
  --destructive: #dc2626;
  --destructive-foreground: #ffffff;
  --ring: rgba(29, 78, 216, 0.18);
  --sidebar: #ffffff;
  --sidebar-border: #dbe4f0;
  --success: #16a34a;
  --warning: #d97706;
  --radius: 16px;
  --shadow: 0 24px 60px rgba(15, 23, 42, 0.08);
  --font-sans: "Inter", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

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

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--font-sans);
  background:
    radial-gradient(circle at top left, rgba(29, 78, 216, 0.08), transparent 24%),
    linear-gradient(180deg, #fbfdff 0%, var(--background) 100%);
  color: var(--foreground);
  line-height: 1.5;
  overflow-x: hidden;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.hidden {
  display: none !important;
}

.section-kicker {
  margin: 0 0 8px;
  color: var(--muted-foreground);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 11px;
  font-weight: 700;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255,255,255,0.78);
  color: #1e3a8a;
  font-size: 12px;
  font-weight: 700;
}

.landing-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px;
}

.landing-panel {
  width: min(1320px, 100%);
  min-height: min(860px, calc(100vh - 56px));
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(360px, 420px);
  gap: 28px;
}

.landing-copy,
.login-card,
.sidebar,
.panel,
.state-card,
.stat-card,
.modal {
  background: rgba(255,255,255,0.9);
  border: 1px solid rgba(219, 228, 240, 0.92);
  box-shadow: var(--shadow);
}

.landing-copy {
  border-radius: 28px;
  padding: 42px;
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.landing-copy h1 {
  margin: 0;
  font-size: clamp(44px, 6vw, 74px);
  line-height: 0.96;
  letter-spacing: -0.05em;
}

.landing-lead {
  margin: 0;
  max-width: 760px;
  color: var(--muted-foreground);
  font-size: 18px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature-card {
  padding: 18px;
  border-radius: 22px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.feature-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 15px;
}

.feature-card span {
  color: var(--muted-foreground);
  font-size: 13px;
}

.hero-visual {
  margin-top: auto;
  border-radius: 26px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, #ffffff 0%, #edf4ff 100%);
}

.hero-visual img {
  display: block;
  width: 100%;
  height: auto;
}

.login-card {
  border-radius: 28px;
  padding: 34px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.login-card-head h2 {
  margin: 0 0 10px;
  font-size: 36px;
  letter-spacing: -0.04em;
}

.login-card-head p {
  margin: 0;
  color: var(--muted-foreground);
}

.login-form,
.editor-form,
.modal-form {
  display: grid;
  gap: 18px;
}

.login-form {
  margin-top: 28px;
}

.login-meta {
  display: grid;
  gap: 14px;
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
}

.login-meta strong {
  display: block;
  margin-bottom: 4px;
}

.login-meta span {
  color: var(--muted-foreground);
  font-size: 13px;
}

.field,
.field-inline {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted-foreground);
}

.field input,
.field textarea,
.field select,
.toolbar select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--input);
  color: var(--foreground);
  outline: none;
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.field input::placeholder,
.field textarea::placeholder {
  color: #94a3b8;
}

.field input:focus,
.field textarea:focus,
.field select:focus,
.toolbar select:focus {
  border-color: #93c5fd;
  box-shadow: 0 0 0 4px var(--ring);
}

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

.hint {
  color: var(--muted-foreground);
  font-size: 12px;
}

.required {
  color: #dc2626;
}

.form-stack {
  display: grid;
  gap: 12px;
}

.form-error {
  color: #b91c1c;
  font-size: 13px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  transition: transform 0.12s ease, box-shadow 0.16s ease, background 0.16s ease, border-color 0.16s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-block {
  width: 100%;
}

.btn-primary {
  background: var(--primary);
  color: var(--primary-foreground);
  box-shadow: 0 14px 28px rgba(29, 78, 216, 0.18);
}

.btn-primary:hover {
  background: #1e40af;
}

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

.btn-secondary:hover {
  background: #f1f5f9;
}

.btn-danger {
  background: rgba(220, 38, 38, 0.08);
  color: #b91c1c;
  border-color: rgba(220, 38, 38, 0.16);
}

.btn-danger:hover {
  background: rgba(220, 38, 38, 0.14);
}

.btn-sm {
  min-height: 34px;
  padding: 0 12px;
  border-radius: 10px;
  font-size: 13px;
}

.app-shell {
  height: 100vh;
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr);
  background: linear-gradient(180deg, #f9fbff 0%, var(--background) 100%);
  overflow: hidden;
}

.sidebar {
  border-right: 1px solid var(--sidebar-border);
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  box-shadow: none;
  border-radius: 0;
  height: 100vh;
  overflow: hidden;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 8px 12px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, #1d4ed8 0%, #0f172a 100%);
  color: #fff;
  font-weight: 800;
}

.sidebar-brand strong {
  display: block;
  font-size: 15px;
}

.sidebar-brand p {
  margin: 2px 0 0;
  color: var(--muted-foreground);
  font-size: 12px;
}

.sidebar-nav {
  display: grid;
  gap: 8px;
}

.nav-item {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 14px 16px;
  border: 1px solid transparent;
  border-radius: 16px;
  background: transparent;
  color: var(--foreground);
  text-align: left;
}

.nav-item span {
  font-size: 14px;
  font-weight: 700;
}

.nav-item small {
  color: var(--muted-foreground);
  font-size: 12px;
}

.nav-item:hover {
  background: #f8fbff;
  border-color: var(--border);
}

.nav-item.active {
  background: linear-gradient(180deg, #eff6ff 0%, #e0edff 100%);
  border-color: #bfdbfe;
}

.sidebar-footer {
  margin-top: auto;
  display: grid;
  gap: 12px;
}

.identity-card {
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: #f8fbff;
}

.identity-label {
  display: block;
  margin-bottom: 6px;
  color: var(--muted-foreground);
  font-size: 12px;
}

.main-shell {
  min-width: 0;
  min-height: 0;
  height: 100vh;
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  overflow-y: auto;
  overflow-x: hidden;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.topbar h1 {
  margin: 0;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1;
  letter-spacing: -0.05em;
}

.page-subtitle {
  margin: 10px 0 0;
  color: var(--muted-foreground);
  font-size: 15px;
}

.topbar-actions,
.toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.home-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 560px);
  gap: 24px;
  padding: 24px;
  align-items: center;
}

.home-copy h2 {
  margin: 14px 0 16px;
  font-size: clamp(34px, 4vw, 56px);
  line-height: 0.98;
  letter-spacing: -0.05em;
}

.home-copy p {
  margin: 0;
  max-width: 760px;
  color: var(--muted-foreground);
  font-size: 16px;
}

.home-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 26px;
}

.home-art {
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, #ffffff 0%, #edf4ff 100%);
}

.home-art img {
  display: block;
  width: 100%;
  height: auto;
}

.home-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding: 0 24px 24px;
}

.home-card {
  min-height: 220px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
}

.home-card h3 {
  margin: 0 0 10px;
  font-size: 22px;
  letter-spacing: -0.03em;
}

.home-card p:last-child {
  margin: 0;
  color: var(--muted-foreground);
  font-size: 14px;
}

.stat-card,
.panel,
.state-card {
  border-radius: 22px;
}

.stat-card {
  padding: 20px;
}

.stat-card span {
  display: block;
  color: var(--muted-foreground);
  font-size: 13px;
}

.stat-card strong {
  display: block;
  margin-top: 10px;
  font-size: 30px;
  letter-spacing: -0.04em;
}

.stat-card small {
  display: block;
  margin-top: 8px;
  color: var(--muted-foreground);
  font-size: 12px;
}

.panel {
  min-width: 0;
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 22px 22px 0;
}

.panel-head h2,
.editor-head h3,
.state-card h3 {
  margin: 0;
  font-size: 22px;
  letter-spacing: -0.03em;
}

.panel-head p,
.state-card p {
  margin: 8px 0 0;
  color: var(--muted-foreground);
  font-size: 14px;
}

.table-wrap {
  width: 100%;
  overflow: auto;
  padding: 22px;
}

.table {
  width: 100%;
  min-width: 1080px;
  border-collapse: collapse;
}

.table th,
.table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.table th {
  color: var(--muted-foreground);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.table tbody tr:hover {
  background: #fafcff;
}

.table .col-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.badge-on {
  background: rgba(22, 163, 74, 0.12);
  color: #166534;
}

.badge-off {
  background: rgba(220, 38, 38, 0.1);
  color: #b91c1c;
}

.sub {
  color: var(--muted-foreground);
  font-size: 12px;
}

.path-mono,
.script-editor,
.log-output,
code {
  font-family: "JetBrains Mono", "SFMono-Regular", Menlo, monospace;
}

.state-card {
  padding: 52px 24px;
  text-align: center;
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(360px, 420px);
  gap: 0;
  align-items: start;
}

.editor-panel,
.single-form-wrap,
.template-box {
  padding: 22px;
  border-left: 1px solid var(--border);
}

.split-layout .table-wrap {
  max-height: min(720px, calc(100vh - 300px));
}

.editor-panel {
  position: sticky;
  top: 0;
  align-self: start;
}

.editor-head {
  margin-bottom: 18px;
}

.template-output {
  margin: 12px 0 0;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(15, 23, 42, 0.28);
  backdrop-filter: blur(6px);
}

.modal {
  width: min(680px, 100%);
  max-height: calc(100vh - 48px);
  overflow: auto;
  border-radius: 24px;
}

.modal-xl {
  width: min(1260px, 100%);
}

.modal-log {
  width: min(1100px, 100%);
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 24px 0;
}

.modal-header h2 {
  margin: 0;
  font-size: 24px;
}

.btn-close {
  width: 38px;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  color: var(--muted-foreground);
  font-size: 20px;
}

.btn-close:hover {
  background: #f8fafc;
}

.modal-form {
  padding: 24px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.field-span-2 {
  grid-column: span 2;
}

.field-inline {
  justify-content: flex-end;
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--muted-foreground);
  font-size: 14px;
  font-weight: 600;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

.modal-footer .form-error {
  margin-right: auto;
}

.run-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding: 20px 24px 0;
}

.run-meta-item {
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #f8fbff;
}

.run-meta-label {
  display: block;
  margin-bottom: 4px;
  color: var(--muted-foreground);
  font-size: 12px;
}

.run-meta-value {
  display: block;
  word-break: break-word;
}

.log-output {
  margin: 20px 24px 0;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: #f8fbff;
  color: #0f172a;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 13px;
  line-height: 1.6;
}

.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 80;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  min-width: 240px;
  max-width: 420px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255,255,255,0.96);
  color: var(--foreground);
  box-shadow: var(--shadow);
}

.toast-success {
  border-color: rgba(22, 163, 74, 0.22);
}

.toast-error {
  border-color: rgba(220, 38, 38, 0.2);
}

@media (max-width: 1180px) {
  .landing-panel,
  .split-layout,
  .home-hero {
    grid-template-columns: 1fr;
  }

  .editor-panel,
  .single-form-wrap,
  .template-box {
    border-left: 0;
    border-top: 1px solid var(--border);
  }

  .app-shell {
    grid-template-columns: 1fr;
    height: auto;
    overflow: visible;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--sidebar-border);
    height: auto;
    overflow: visible;
  }

  .main-shell {
    height: auto;
    overflow: visible;
  }

  .split-layout .table-wrap {
    max-height: none;
  }

  .editor-panel {
    position: static;
  }
}

@media (max-width: 860px) {
  .landing-shell {
    padding: 16px;
  }

  .landing-copy,
  .login-card,
  .main-shell {
    padding: 20px;
  }

  .feature-grid,
  .home-grid,
  .stats-grid,
  .form-grid,
  .run-meta {
    grid-template-columns: 1fr;
  }

  .field-span-2 {
    grid-column: auto;
  }

  .topbar,
  .panel-head,
  .toolbar,
  .modal-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .topbar-actions {
    width: 100%;
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}