:root {
  color-scheme: light;
  --bg: #f5f5f3;
  --panel: #ffffff;
  --panel-subtle: #fafaf8;
  --panel-tint: #f1f4f2;
  --ink: #171717;
  --ink-soft: #3d3d3b;
  --muted: #73736f;
  --faint: #a6a49d;
  --line: #dfded8;
  --line-strong: #c8c6bd;
  --nav: #151513;
  --nav-soft: #23231f;
  --primary: #245f4c;
  --primary-hover: #194736;
  --primary-soft: #e7f0ec;
  --accent: #8b6f3d;
  --accent-soft: #f0eadc;
  --danger: #a43d3d;
  --danger-soft: #f7e8e7;
  --warning: #8b641e;
  --radius: 8px;
  --shadow: 0 1px 2px rgba(23, 23, 23, 0.04), 0 16px 40px rgba(23, 23, 23, 0.06);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

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

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.62;
}

.hidden {
  display: none !important;
}

.app-shell {
  display: grid;
  grid-template-columns: 272px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 34px;
  padding: 24px 18px;
  background: var(--nav);
  color: #f8f7f2;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.brand-stack {
  display: grid;
  gap: 14px;
  padding: 0 6px;
}

.brand-lockup,
.candidate-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  border-radius: var(--radius);
  background: #f8f7f2;
  color: var(--nav);
  font-size: 0.75rem;
  font-weight: 760;
}

.candidate-mark {
  background: var(--ink);
  color: #ffffff;
}

.sidebar h1,
.candidate-header h1 {
  margin: 2px 0 0;
  font-size: 1.05rem;
  line-height: 1.2;
  font-weight: 720;
}

.sidebar-meta {
  margin: 0;
  color: rgba(248, 247, 242, 0.58);
  font-size: 0.84rem;
  line-height: 1.4;
}

.workspace {
  min-width: 0;
  padding: 32px;
}

.dashboard {
  width: 100%;
  max-width: 1480px;
  margin: 0 auto;
}

.topbar,
.candidate-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.topbar {
  min-height: 64px;
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.topbar h2,
.section-heading h2,
.section-heading h3,
.chat-toolbar h2,
.done-panel h2 {
  margin: 2px 0 0;
  line-height: 1.18;
  font-weight: 720;
}

.topbar h2 {
  font-size: clamp(1.55rem, 2vw, 2.05rem);
}

.section-heading h2 {
  font-size: 1.45rem;
}

.section-heading h3,
.chat-toolbar h2 {
  font-size: 1.08rem;
}

.eyebrow {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 660;
  letter-spacing: 0;
}

.sidebar .eyebrow {
  color: rgba(248, 247, 242, 0.62);
}

.muted {
  color: var(--muted);
  line-height: 1.55;
}

.nav-list {
  display: grid;
  align-content: start;
  gap: 5px;
}

.nav-item,
.ghost-button {
  width: 100%;
  min-height: 42px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  color: rgba(248, 247, 242, 0.68);
  padding: 10px 12px;
  text-align: left;
  font-size: 0.93rem;
  font-weight: 620;
}

.nav-item:hover,
.ghost-button:hover {
  background: var(--nav-soft);
  color: #ffffff;
}

.nav-item.active {
  background: #f8f7f2;
  color: var(--nav);
}

.sidebar-footer {
  display: grid;
  gap: 10px;
  padding: 0 6px;
}

.environment-badge {
  width: fit-content;
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  padding: 5px 9px;
  border: 1px solid rgba(248, 247, 242, 0.14);
  border-radius: var(--radius);
  color: rgba(248, 247, 242, 0.68);
  font-size: 0.78rem;
  font-weight: 650;
}

.login-layout {
  min-height: calc(100vh - 64px);
  display: grid;
  place-items: center;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-bottom: 24px;
  overflow: hidden;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.metric-tile {
  min-height: 102px;
  display: grid;
  align-content: space-between;
  gap: 14px;
  padding: 18px;
  background: var(--panel);
}

.metric-tile span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 650;
}

.metric-tile strong {
  font-size: 2rem;
  line-height: 1;
  font-weight: 720;
}

.view-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  gap: 20px;
}

.view-grid.invite-visible {
  grid-template-columns: minmax(0, 1fr) 360px;
}

.form-panel,
.result-panel,
.empty-state,
.chat-panel,
.done-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.form-panel,
.result-panel,
.empty-state,
.done-panel {
  padding: 22px;
}

.form-panel {
  display: grid;
  gap: 18px;
  width: min(100%, 460px);
}

.form-panel.wide {
  width: 100%;
}

.section-heading {
  display: grid;
  gap: 2px;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--ink-soft);
  font-size: 0.84rem;
  font-weight: 650;
}

input,
select,
textarea {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-subtle);
  color: var(--ink);
  padding: 10px 11px;
  outline: none;
}

select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position:
    calc(100% - 17px) 18px,
    calc(100% - 12px) 18px;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 34px;
}

textarea {
  resize: vertical;
  line-height: 1.48;
}

input::placeholder,
textarea::placeholder {
  color: var(--faint);
}

input:hover,
select:hover,
textarea:hover {
  border-color: var(--line-strong);
}

input:focus,
select:focus,
textarea:focus {
  background: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(36, 95, 76, 0.12);
}

.button-row,
.status-strip,
.candidate-actions,
.composer-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.primary-button,
.secondary-button,
.danger-button {
  min-height: 42px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 0.9rem;
  font-weight: 680;
  transition: background-color 0.16s ease, border-color 0.16s ease, color 0.16s ease, transform 0.16s ease;
}

.primary-button {
  background: var(--ink);
  color: #ffffff;
}

.primary-button:hover {
  background: #000000;
  transform: translateY(-1px);
}

.secondary-button {
  background: #ffffff;
  color: var(--ink);
  border-color: var(--line);
}

.secondary-button:hover {
  background: var(--panel-tint);
  border-color: var(--line-strong);
}

.danger-button {
  background: var(--danger-soft);
  color: var(--danger);
  border-color: #edcfcd;
}

.danger-button:hover {
  background: var(--danger);
  color: #ffffff;
  border-color: var(--danger);
}

.status-pill {
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  color: var(--muted);
  padding: 6px 10px;
  font-size: 0.8rem;
  font-weight: 650;
  white-space: nowrap;
}

.status-pill.ok {
  background: var(--primary-soft);
  border-color: #caded5;
  color: var(--primary-hover);
}

.status-pill.warn {
  background: #f6efdf;
  border-color: #e6dac0;
  color: var(--warning);
}

.invite-card {
  position: sticky;
  top: 24px;
}

.details-list {
  display: grid;
  gap: 14px;
  margin: 18px 0;
}

.details-list div {
  display: grid;
  gap: 5px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.details-list div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.details-list dt {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 650;
}

.details-list dd {
  margin: 0;
  overflow-wrap: anywhere;
  line-height: 1.45;
}

.code-text {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 1.48rem;
  font-weight: 720;
}

.interview-list {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.prompt-layout {
  display: grid;
  grid-template-columns: minmax(260px, 340px) minmax(0, 1fr);
  align-items: start;
  gap: 20px;
  margin-top: 16px;
}

.prompt-toolbar {
  margin-bottom: 10px;
}

.prompt-list {
  display: grid;
  gap: 8px;
}

.prompt-row {
  width: 100%;
  display: grid;
  gap: 5px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  color: var(--ink);
  padding: 14px;
  text-align: left;
}

.prompt-row:hover {
  border-color: var(--line-strong);
  background: var(--panel-subtle);
}

.prompt-row.active {
  border-color: #bccfc7;
  background: var(--primary-soft);
}

.prompt-row strong {
  font-size: 0.95rem;
  font-weight: 700;
}

.prompt-row span {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
}

.check-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.check-row input {
  width: 18px;
  min-height: 18px;
}

.interview-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  padding: 16px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.interview-row:hover {
  border-color: var(--line-strong);
}

.interview-row h4 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 700;
}

.meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  color: var(--muted);
  font-size: 0.84rem;
}

.meta-line span {
  min-height: 26px;
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius);
  background: var(--panel-subtle);
  border: 1px solid var(--line);
  padding: 4px 8px;
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}

.score-box {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  background: var(--panel-subtle);
}

.score-box span {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 650;
}

.score-box strong {
  display: block;
  margin-top: 7px;
  font-size: 1.72rem;
  font-weight: 720;
}

.candidate-shell {
  min-height: 100vh;
  padding: 24px;
  background: #f6f6f4;
}

.candidate-header {
  max-width: 1040px;
  margin: 0 auto 18px;
  padding: 14px 0 18px;
  border-bottom: 1px solid var(--line);
}

.candidate-main {
  max-width: 1040px;
  margin: 0 auto;
}

.timer {
  min-width: 92px;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  background: var(--ink);
  color: #ffffff;
  padding: 10px 12px;
  text-align: center;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-weight: 720;
}

.access-panel {
  margin: 14vh auto 0;
}

.access-panel form {
  display: grid;
  gap: 16px;
}

.chat-panel {
  overflow: hidden;
  box-shadow: none;
}

.chat-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  background: #ffffff;
}

.message-list {
  min-height: 430px;
  max-height: calc(100vh - 286px);
  overflow: auto;
  padding: 22px;
  display: grid;
  align-content: start;
  gap: 12px;
  background: var(--panel-subtle);
}

.message {
  max-width: 74%;
  border-radius: var(--radius);
  padding: 12px 13px;
  line-height: 1.52;
  border: 1px solid var(--line);
}

.message.assistant {
  justify-self: start;
  background: #ffffff;
}

.message.user {
  justify-self: end;
  background: var(--ink);
  border-color: var(--ink);
  color: #ffffff;
}

.message-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  padding: 14px;
  border-top: 1px solid var(--line);
  background: #ffffff;
}

.message-form textarea {
  min-height: 76px;
  background: var(--panel-subtle);
}

.composer-actions {
  align-content: stretch;
  flex-direction: column;
}

.composer-actions button {
  width: 100%;
  min-width: 154px;
}

.submit-button {
  border-color: #edcfcd;
  color: var(--danger);
  background: var(--danger-soft);
}

.submit-button:hover {
  background: var(--danger);
  color: #ffffff;
  border-color: var(--danger);
}

.done-panel {
  margin: 16vh auto 0;
  max-width: 560px;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 10;
  max-width: 360px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: var(--ink);
  color: #ffffff;
  padding: 12px 14px;
  box-shadow: var(--shadow);
}

@media (max-width: 1180px) {
  .view-grid,
  .view-grid.invite-visible {
    grid-template-columns: 1fr;
  }

  .invite-card {
    position: static;
  }
}

@media (max-width: 940px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: relative;
    min-height: auto;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "brand footer"
      "nav nav";
    gap: 14px;
    padding: 16px 18px;
  }

  .brand-stack {
    grid-area: brand;
    padding: 0;
  }

  .nav-list {
    grid-area: nav;
  }

  .sidebar-footer {
    grid-area: footer;
    align-content: start;
    justify-items: end;
    padding: 0;
  }

  .sidebar-meta,
  .environment-badge {
    display: none;
  }

  .nav-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .nav-item,
  .ghost-button {
    text-align: center;
  }

  .view-grid,
  .prompt-layout,
  .message-form {
    grid-template-columns: 1fr;
  }

  .workspace,
  .candidate-shell {
    padding: 18px;
  }

  .topbar,
  .interview-row {
    align-items: stretch;
    flex-direction: column;
    grid-template-columns: 1fr;
  }

  .candidate-actions {
    justify-content: space-between;
  }

  .message {
    max-width: 92%;
  }

  .composer-actions {
    flex-direction: row;
  }
}

@media (max-width: 700px) {
  .summary-grid,
  .field-grid,
  .review-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .sidebar {
    padding: 18px;
    grid-template-columns: 1fr;
    grid-template-areas:
      "brand"
      "nav"
      "footer";
  }

  .nav-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sidebar-footer {
    justify-items: stretch;
  }

  .topbar,
  .candidate-header,
  .chat-toolbar,
  .form-panel,
  .result-panel,
  .empty-state,
  .done-panel {
    padding: 18px;
  }

  .candidate-header,
  .chat-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .candidate-header {
    padding-top: 0;
  }

  .summary-grid {
    display: grid;
  }

  .candidate-actions,
  .composer-actions,
  .button-row,
  .status-strip {
    align-items: stretch;
    flex-direction: column;
  }

  .candidate-actions > *,
  .composer-actions button,
  .button-row button,
  .status-strip button {
    width: 100%;
  }
}