:root {
  --color-primary:       #1b4332;
  --color-primary-dark:  #0d2818;
  --color-primary-mid:   #2d6a4f;
  --color-accent:        #40916c;
  --color-accent-light:  #52b788;
  --color-bg:            #f4f7f5;
  --color-surface:       #ffffff;
  --color-border:        #d1d5db;
  --color-text:          #1c1c1e;
  --color-text-muted:    #6b7280;
  --color-danger:        #dc2626;

  --status-opt-bg:       #d1fae5;
  --status-opt-text:     #065f46;
  --status-cav-bg:       #fef3c7;
  --status-cav-text:     #92400e;
  --status-rev-bg:       #fee2e2;
  --status-rev-text:     #991b1b;
  --status-none-bg:      #f3f4f6;
  --status-none-text:    #374151;

  --radius:    6px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.10);
  --shadow:    0 2px 8px rgba(0,0,0,.12);
  --font:      system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
}

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

html, body {
  min-height: 100vh;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
}

/* ── Layout ─────────────────────────────── */
.app-header {
  background: var(--color-primary);
  color: #fff;
  padding: 0 28px;
  height: 58px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.app-header .logo {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -.02em;
  color: #fff;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.app-header .logo svg { opacity: .85; }

.app-header nav { display: flex; gap: 4px; margin-left: auto; }

.app-header nav a {
  color: rgba(255,255,255,.80);
  text-decoration: none;
  font-size: .875rem;
  padding: 6px 14px;
  border-radius: var(--radius);
  transition: background .15s, color .15s;
}

.app-header nav a:hover { background: rgba(255,255,255,.12); color: #fff; }

.btn-logout {
  background: none;
  border: 1px solid rgba(255,255,255,.35);
  color: rgba(255,255,255,.80);
  font-size: .875rem;
  padding: 5px 13px;
  border-radius: var(--radius);
  cursor: pointer;
  font-family: var(--font);
  transition: background .15s, color .15s, border-color .15s;
  margin-left: 4px;
}
.btn-logout:hover { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.6); }

.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  gap: 16px;
  flex-wrap: wrap;
}

.page-header h1 {
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -.025em;
}

.page-header .subtitle {
  color: var(--color-text-muted);
  font-size: .9rem;
  margin-top: 2px;
}

/* ── Back link ──────────────────────────── */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-accent);
  text-decoration: none;
  font-size: .875rem;
  font-weight: 500;
  margin-bottom: 22px;
}

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

/* ── Buttons ─────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 20px;
  font-size: .875rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background .15s, box-shadow .15s, opacity .15s;
  white-space: nowrap;
}

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

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-primary);
  border: 1.5px solid var(--color-border);
}
.btn-secondary:hover { background: var(--color-bg); box-shadow: var(--shadow-sm); }

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

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

.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-sm { padding: 6px 14px; font-size: .8125rem; }

/* ── Status badges ───────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 11px;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .01em;
  white-space: nowrap;
}

.badge-optimized    { background: var(--status-opt-bg);  color: var(--status-opt-text); }
.badge-caveats      { background: var(--status-cav-bg);  color: var(--status-cav-text); }
.badge-review       { background: var(--status-rev-bg);  color: var(--status-rev-text); }
.badge-none         { background: var(--status-none-bg); color: var(--status-none-text); }

/* ── Cards ───────────────────────────────── */
.card {
  background: var(--color-surface);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.card-header {
  padding: 18px 22px 14px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card-header h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
}

.card-body { padding: 22px; }

/* ── Table ───────────────────────────────── */
.table-wrap { overflow-x: auto; }

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .875rem;
}

.data-table thead th {
  background: var(--color-primary);
  color: #fff;
  text-align: left;
  padding: 11px 14px;
  font-weight: 600;
  font-size: .8125rem;
  letter-spacing: .03em;
  text-transform: uppercase;
  white-space: nowrap;
}

.data-table thead th:first-child { border-radius: var(--radius) 0 0 0; }
.data-table thead th:last-child  { border-radius: 0 var(--radius) 0 0; }

.data-table tbody tr {
  transition: background .1s;
}

.data-table tbody tr:hover td { background: #f0fdf4; }

.data-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.data-table tbody tr:last-child td { border-bottom: none; }

.data-table .actions {
  display: flex;
  gap: 6px;
  flex-wrap: nowrap;
}

.no-data {
  text-align: center;
  padding: 48px 24px;
  color: var(--color-text-muted);
}

.no-data p { font-size: 1rem; margin-bottom: 6px; }
.no-data small { font-size: .85rem; }

/* ── Forms ───────────────────────────────── */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 24px;
}

.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group.full-width { grid-column: 1 / -1; }

label {
  font-size: .8125rem;
  font-weight: 600;
  color: var(--color-text);
}

label .field-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  background: var(--color-accent);
  color: #fff;
  border-radius: 50%;
  font-size: .7rem;
  font-weight: 700;
  margin-right: 5px;
}

label .hint {
  color: var(--color-text-muted);
  font-weight: 400;
  margin-left: 4px;
  font-size: .78rem;
}

input[type="text"],
input[type="number"],
select,
textarea {
  padding: 9px 12px;
  font-size: .875rem;
  font-family: var(--font);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color .15s, box-shadow .15s;
  width: 100%;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(64,145,108,.15);
}

textarea { resize: vertical; min-height: 80px; }

.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
}

/* ── Alert banners ────────────────────────── */
.alert {
  padding: 13px 16px;
  border-radius: var(--radius);
  font-size: .875rem;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 20px;
}

.alert-success { background: #d1fae5; color: #065f46; border: 1px solid #6ee7b7; }
.alert-error   { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }
.alert-info    { background: #dbeafe; color: #1e40af; border: 1px solid #93c5fd; }
.alert-warn    { background: #fef3c7; color: #92400e; border: 1px solid #fcd34d; }

.alert p + p { margin-top: 6px; }

/* ── Tabs ─────────────────────────────────── */
.tabs { display: flex; gap: 0; border-bottom: 2px solid var(--color-border); margin-bottom: 24px; }

.tab-btn {
  padding: 10px 22px;
  font-size: .875rem;
  font-weight: 600;
  border: none;
  background: none;
  color: var(--color-text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color .15s, border-color .15s;
  font-family: var(--font);
}

.tab-btn:hover { color: var(--color-primary); }
.tab-btn.active { color: var(--color-primary); border-bottom-color: var(--color-accent); }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Portfolio content rendering ─────────── */
.portfolio-content h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 28px 0 10px;
}

.portfolio-content h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary-mid);
  margin: 22px 0 8px;
}

.portfolio-content p { margin-bottom: 12px; }

.portfolio-content ul,
.portfolio-content ol {
  margin: 8px 0 14px 22px;
}

.portfolio-content li { margin-bottom: 5px; }

.portfolio-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0;
  font-size: .875rem;
}

.portfolio-content thead th {
  background: var(--color-primary);
  color: #fff;
  padding: 9px 12px;
  text-align: left;
  font-size: .8125rem;
}

.portfolio-content td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--color-border);
}

.portfolio-content tr:nth-child(even) td { background: #f0fdf4; }

.portfolio-content blockquote {
  background: #f8fffe;
  border-left: 4px solid var(--color-accent);
  padding: 12px 16px;
  margin: 14px 0;
  color: #374151;
  font-size: .875rem;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.portfolio-content hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 24px 0;
}

.portfolio-content code {
  background: #f3f4f6;
  padding: 1px 6px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: .85em;
}

.portfolio-content pre {
  background: #f3f4f6;
  padding: 14px;
  border-radius: var(--radius);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: .82rem;
  margin: 12px 0;
}

.portfolio-content pre code { background: none; padding: 0; }

/* ── Portfolio toolbar ───────────────────── */
.portfolio-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-border);
}

.portfolio-toolbar .client-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
  flex: 1;
  min-width: 0;
}

.portfolio-toolbar select {
  width: auto;
  min-width: 160px;
}

/* ── Spinner ─────────────────────────────── */
.spinner {
  display: inline-block;
  width: 22px;
  height: 22px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

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

.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 56px;
  color: var(--color-text-muted);
}

/* ── Modal ───────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 24px;
}

.modal {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0,0,0,.22);
  width: 100%;
  max-width: 420px;
  padding: 28px;
}

.modal h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 18px;
}

.modal .form-actions { margin-top: 22px; padding-top: 18px; }

/* ── Toast ───────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  padding: 12px 18px;
  border-radius: var(--radius);
  font-size: .875rem;
  font-weight: 500;
  box-shadow: var(--shadow);
  pointer-events: auto;
  max-width: 360px;
  animation: slideUp .2s ease-out;
}

.toast-success { background: #065f46; color: #fff; }
.toast-error   { background: #991b1b; color: #fff; }
.toast-info    { background: var(--color-primary); color: #fff; }

@keyframes slideUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Workflow — Phase Stepper ────────────── */
.phase-stepper {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 28px;
  padding: 20px 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.phase-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  flex-shrink: 0;
}

.phase-step-circle {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  font-weight: 700;
  transition: background .2s, border-color .2s, color .2s;
}

.phase-step-label {
  font-size: .78rem;
  font-weight: 600;
  color: var(--color-text-muted);
  white-space: nowrap;
  transition: color .2s;
}

.phase-step.active .phase-step-circle {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
  box-shadow: 0 0 0 4px rgba(64,145,108,.18);
}

.phase-step.active .phase-step-label { color: var(--color-primary); }

.phase-step.done .phase-step-circle {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.phase-step.done .phase-step-circle::before {
  content: '✓';
  font-size: .9rem;
}

.phase-step.done .phase-step-circle { font-size: 0; }

.phase-step.done .phase-step-label { color: var(--color-primary-mid); }

.phase-step-line {
  flex: 1;
  height: 2px;
  background: var(--color-border);
  margin: 0 8px;
  margin-bottom: 27px; /* align with circle centre */
  min-width: 20px;
}

/* ── Workflow — Stream Output ────────────── */
.workflow-card .card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.round-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--status-cav-bg);
  color: var(--status-cav-text);
  font-size: .78rem;
  font-weight: 700;
}

.stream-output {
  background: #0d1117;
  border-top: 1px solid var(--color-border);
  min-height: 320px;
  max-height: 520px;
  overflow-y: auto;
  scroll-behavior: smooth;
}

.stream-section { border-bottom: 1px solid #21262d; }
.stream-section:last-child { border-bottom: none; }

.stream-phase-header {
  padding: 10px 18px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: #e6edf3;
  background: rgba(255,255,255,.04);
  border-left: 3px solid #40916c;
}

.stream-text {
  padding: 16px 18px;
  font-family: var(--font-mono);
  font-size: .82rem;
  line-height: 1.65;
  color: #c9d1d9;
  white-space: pre-wrap;
  word-break: break-word;
}

/* ── Workflow — Action Panel ─────────────── */
.workflow-actions {
  margin-top: 18px;
  padding: 18px 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.workflow-status {
  flex: 1;
  min-width: 0;
  font-size: .875rem;
  color: var(--color-text);
}

/* ── Workflow — Clarification Panel ─────── */
.clarification-card {
  margin-top: 18px;
  border-left: 4px solid #b45309;
}

.clarification-card .card-header h2 {
  color: #92400e;
}

.clarification-intro {
  font-size: .875rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.clarification-question {
  margin-bottom: 18px;
}

.q-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .9rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.q-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: #b45309;
  color: #fff;
  border-radius: 50%;
  font-size: .75rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.q-answer {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: .9rem;
  color: var(--color-text);
  background: var(--color-bg);
  resize: vertical;
  transition: border-color .15s;
}

.q-answer:focus {
  outline: none;
  border-color: #b45309;
  box-shadow: 0 0 0 3px rgba(180,83,9,.12);
}

.clarification-actions {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.phase-step.paused .phase-step-circle {
  background: #fef3c7;
  border-color: #b45309;
  color: #92400e;
}

.phase-step.paused .phase-step-label { color: #92400e; }

/* ── Header nav active state ─────────────── */
.app-header nav a.active {
  background: rgba(255,255,255,.15);
  color: #fff;
}

/* ── Provider settings page ──────────────── */
.provider-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}

.provider-card {
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px 22px 18px;
  background: var(--color-surface);
  transition: border-color .2s, background .2s;
}

.provider-card.active {
  border-color: var(--color-accent);
  background: #f0fdf4;
}

.provider-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.provider-name {
  font-weight: 700;
  font-size: .95rem;
  color: var(--color-primary);
}

.provider-active-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  background: var(--color-accent);
  color: #fff;
  border-radius: 999px;
  font-size: .73rem;
  font-weight: 700;
  letter-spacing: .02em;
}

.provider-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .8rem;
  color: var(--color-text-muted);
  margin-bottom: 2px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot.ok      { background: #22c55e; }
.status-dot.env     { background: #f59e0b; }
.status-dot.missing { background: #ef4444; }

.provider-card-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--color-border);
}

/* ── Provider bar (workflow page) ─────────── */
.provider-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.provider-bar-label {
  font-size: .8rem;
  color: var(--color-text-muted);
  font-weight: 500;
  white-space: nowrap;
}

.provider-bar select {
  width: auto;
  min-width: 130px;
  padding: 6px 10px;
  font-size: .82rem;
}

.provider-bar-key-status {
  font-size: .78rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.provider-bar-key-status.key-ok      { color: #16a34a; }
.provider-bar-key-status.key-missing { color: var(--color-danger); }

.auto-run-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .82rem;
  color: var(--color-text-muted);
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
}
.auto-run-toggle input[type="checkbox"] {
  width: 15px;
  height: 15px;
  cursor: pointer;
  accent-color: var(--color-primary);
}
.auto-run-toggle:has(input:checked) {
  color: var(--color-primary);
}

/* ── Responsive ──────────────────────────── */
@media (max-width: 680px) {
  .form-grid { grid-template-columns: 1fr; }
  .page { padding: 20px 14px 48px; }
  .page-header { flex-direction: column; align-items: flex-start; }
  .portfolio-toolbar { flex-direction: column; align-items: flex-start; }
  .phase-stepper { padding: 14px 12px; }
  .phase-step-label { font-size: .7rem; }
  .workflow-actions { flex-direction: column; align-items: flex-start; }
}