/* CoreFlow design tokens and components.
   Warm paper surfaces, forest accent, restrained motion. */

:root {
  --cf-font-sans: "Source Sans 3", "Segoe UI", sans-serif;
  --cf-font-display: "Fraunces", "Times New Roman", serif;
  --cf-font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --cf-ink: #161410;
  --cf-ink-2: #3f3a33;
  --cf-muted: #7a7368;
  --cf-faint: #a39c92;
  --cf-line: #e4ddd0;
  --cf-line-strong: #cfc6b6;
  --cf-paper: #f3efe6;
  --cf-surface: #fbf9f4;
  --cf-surface-2: #ffffff;
  --cf-sidebar: #161310;
  --cf-sidebar-text: #c4bbb0;
  --cf-sidebar-muted: #8c8479;
  --cf-sidebar-hover: #221e19;
  --cf-sidebar-active: #f3efe6;
  --cf-accent: #2f5d50;
  --cf-accent-hover: #24483e;
  --cf-accent-soft: #e7efe9;
  --cf-brass: #b08948;
  --cf-success: #1f6b4a;
  --cf-success-soft: #e5f3ec;
  --cf-warning: #8a5a12;
  --cf-warning-soft: #f6ecd8;
  --cf-danger: #9b2c2c;
  --cf-danger-soft: #f8e6e4;
  --cf-info: #1e4a6e;
  --cf-info-soft: #e4eef6;
  --cf-focus: #2f5d50;

  --cf-space-1: 0.25rem;
  --cf-space-2: 0.5rem;
  --cf-space-3: 0.75rem;
  --cf-space-4: 1rem;
  --cf-space-5: 1.5rem;
  --cf-space-6: 2rem;
  --cf-space-7: 3rem;
  --cf-space-8: 4rem;

  --cf-text-xs: 0.75rem;
  --cf-text-sm: 0.875rem;
  --cf-text-md: 1rem;
  --cf-text-lg: 1.25rem;
  --cf-text-xl: 1.75rem;
  --cf-text-2xl: 2.25rem;

  --cf-leading: 1.5;
  --cf-leading-tight: 1.25;

  --cf-radius-sm: 6px;
  --cf-radius-md: 10px;
  --cf-radius-lg: 16px;

  --cf-shadow-sm: 0 1px 2px rgba(22, 20, 16, 0.05);
  --cf-shadow-md: 0 10px 30px rgba(22, 20, 16, 0.06);
  --cf-sidebar-width: 248px;
  --cf-topbar-height: 64px;
}

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

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

body {
  font-family: var(--cf-font-sans);
  font-size: var(--cf-text-md);
  line-height: var(--cf-leading);
  color: var(--cf-ink);
  background: var(--cf-paper);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: var(--cf-leading-tight);
  color: var(--cf-ink);
}

h1 { font-size: var(--cf-text-xl); }
h2 { font-size: var(--cf-text-lg); }

p { margin: 0; }

a { color: inherit; }

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

:focus-visible {
  outline: 2px solid var(--cf-focus);
  outline-offset: 2px;
}

.cf-icon {
  width: 1.15rem;
  height: 1.15rem;
  display: block;
  flex: none;
}

.cf-eyebrow {
  margin: 0 0 var(--cf-space-2);
  font-size: var(--cf-text-xs);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cf-muted);
}

.cf-lede {
  margin-top: var(--cf-space-3);
  max-width: 46rem;
  color: var(--cf-ink-2);
}

.cf-page-header {
  display: flex;
  justify-content: space-between;
  gap: var(--cf-space-5);
  align-items: flex-end;
  margin-bottom: var(--cf-space-6);
}

.cf-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--cf-space-2);
  min-height: 2.4rem;
  padding: 0 0.95rem;
  border: 1px solid transparent;
  border-radius: var(--cf-radius-sm);
  background: transparent;
  color: var(--cf-ink);
  font-weight: 600;
  font-size: var(--cf-text-sm);
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 120ms ease, border-color 120ms ease, color 120ms ease;
}

.cf-btn--primary {
  background: var(--cf-accent);
  color: #f7f4ee;
}

.cf-btn--primary:hover { background: var(--cf-accent-hover); }

.cf-btn--secondary {
  background: var(--cf-surface-2);
  border-color: var(--cf-line-strong);
}

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

.cf-btn--ghost {
  background: transparent;
  border-color: var(--cf-line);
}

.cf-btn--ghost:hover { background: rgba(22, 20, 16, 0.04); }

.cf-btn--danger {
  background: var(--cf-danger);
  color: #fff7f6;
}

.cf-btn--block { width: 100%; }

.cf-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.cf-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.35rem;
  height: 2.35rem;
  border: 0;
  border-radius: var(--cf-radius-sm);
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.cf-icon-btn:hover { background: rgba(22, 20, 16, 0.06); }

.cf-icon-btn--badge { position: relative; }

.cf-unread-count {
  position: absolute;
  top: 0.15rem;
  right: 0.1rem;
  min-width: 1.05rem;
  height: 1.05rem;
  padding: 0 0.22rem;
  border-radius: 999px;
  background: var(--cf-danger);
  color: #fff;
  font-size: 0.62rem;
  font-weight: 700;
  line-height: 1.05rem;
  text-align: center;
}

.cf-table tr.is-unread td {
  background: var(--cf-accent-soft);
}

.cf-table tr.is-unread strong {
  color: var(--cf-ink);
}

.cf-input {
  width: 100%;
  min-height: 2.5rem;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--cf-line-strong);
  border-radius: var(--cf-radius-sm);
  background: var(--cf-surface-2);
  color: var(--cf-ink);
  box-shadow: var(--cf-shadow-sm);
}

.cf-input:focus {
  outline: 2px solid var(--cf-focus);
  outline-offset: 1px;
  border-color: var(--cf-accent);
}

textarea.cf-input {
  min-height: 6rem;
  resize: vertical;
}

select.cf-input {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--cf-muted) 50%), linear-gradient(135deg, var(--cf-muted) 50%, transparent 50%);
  background-position: calc(100% - 16px) 55%, calc(100% - 11px) 55%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 2rem;
}

.cf-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.cf-field > span:first-child {
  font-size: var(--cf-text-sm);
  font-weight: 600;
  color: var(--cf-ink-2);
}

.cf-field__error,
.field-validation-error {
  color: var(--cf-danger);
  font-size: var(--cf-text-sm);
}

.cf-field.is-invalid .cf-input,
.input-validation-error {
  border-color: var(--cf-danger);
}

.cf-form {
  display: grid;
  gap: var(--cf-space-4);
}

.cf-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--cf-space-4);
}

.cf-field--full { grid-column: 1 / -1; }

.cf-form__actions {
  display: flex;
  gap: var(--cf-space-3);
}

.cf-check,
.cf-radio {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--cf-text-sm);
  color: var(--cf-ink-2);
}

.cf-check input,
.cf-radio input {
  accent-color: var(--cf-accent);
}

.cf-card {
  background: var(--cf-surface-2);
  border: 1px solid var(--cf-line);
  border-radius: var(--cf-radius-md);
  padding: var(--cf-space-5);
  box-shadow: var(--cf-shadow-sm);
}

.cf-card--narrow { max-width: 32rem; }
.cf-card--flush { padding: 0; overflow: hidden; }

.cf-card__label {
  margin: 0 0 var(--cf-space-2);
  font-size: var(--cf-text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cf-muted);
  font-weight: 600;
}

.cf-card__title {
  margin-bottom: var(--cf-space-2);
}

.cf-card__body {
  color: var(--cf-ink-2);
  font-size: var(--cf-text-sm);
}

.cf-grid {
  display: grid;
  gap: var(--cf-space-4);
}

.cf-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cf-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.cf-stack {
  display: grid;
  gap: var(--cf-space-5);
}

.cf-inline {
  display: flex;
  flex-wrap: wrap;
  gap: var(--cf-space-3);
  align-items: center;
}

.cf-badge {
  display: inline-flex;
  align-items: center;
  min-height: 1.5rem;
  padding: 0 0.55rem;
  border-radius: 999px;
  background: var(--cf-paper);
  color: var(--cf-ink-2);
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.cf-badge--success { background: var(--cf-success-soft); color: var(--cf-success); }
.cf-badge--warning { background: var(--cf-warning-soft); color: var(--cf-warning); }
.cf-badge--danger { background: var(--cf-danger-soft); color: var(--cf-danger); }
.cf-badge--info { background: var(--cf-info-soft); color: var(--cf-info); }

.cf-table-wrap { overflow-x: auto; }

.cf-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--cf-text-sm);
}

.cf-table th {
  text-align: left;
  font-size: var(--cf-text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cf-muted);
  font-weight: 650;
  padding: 0.85rem 1.1rem;
  border-bottom: 1px solid var(--cf-line);
  background: var(--cf-surface);
}

.cf-table td {
  padding: 0.9rem 1.1rem;
  border-bottom: 1px solid var(--cf-line);
  color: var(--cf-ink-2);
}

.cf-table tbody tr:hover td {
  background: rgba(47, 93, 80, 0.03);
}

.cf-pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.1rem;
  color: var(--cf-muted);
  font-size: var(--cf-text-sm);
}

.cf-alert {
  padding: 0.8rem 0.95rem;
  border-radius: var(--cf-radius-sm);
  border: 1px solid var(--cf-line);
  background: var(--cf-surface);
  color: var(--cf-ink-2);
  font-size: var(--cf-text-sm);
}

.cf-alert ul { margin: 0; padding-left: 1.1rem; }

.cf-alert--info { background: var(--cf-info-soft); border-color: #c5d6e4; }
.cf-alert--success { background: var(--cf-success-soft); border-color: #c5ddd0; }
.cf-alert--danger { background: var(--cf-danger-soft); border-color: #e8c7c3; color: var(--cf-danger); }
.cf-alert--warning { background: var(--cf-warning-soft); border-color: #e6d3a8; }

.cf-kpi {
  font-family: var(--cf-serif);
  font-size: 2rem;
  font-weight: 600;
  line-height: 1.1;
  margin: 0.15rem 0 0.35rem;
}

.cf-empty {
  display: grid;
  justify-items: start;
  gap: var(--cf-space-3);
  padding: var(--cf-space-7) var(--cf-space-6);
  background: var(--cf-surface-2);
  border: 1px dashed var(--cf-line-strong);
  border-radius: var(--cf-radius-lg);
}

.cf-empty h2 { font-size: 1.15rem; }
.cf-empty p { max-width: 38rem; color: var(--cf-ink-2); }

.cf-empty__icon {
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  border-radius: var(--cf-radius-sm);
  background: var(--cf-accent-soft);
  color: var(--cf-accent);
}

.cf-skeleton {
  height: 3.5rem;
  border-radius: var(--cf-radius-sm);
  background: linear-gradient(90deg, var(--cf-line) 0%, var(--cf-surface) 50%, var(--cf-line) 100%);
  background-size: 200% 100%;
  animation: cf-shimmer 1.4s ease infinite;
}

@keyframes cf-shimmer {
  from { background-position: 100% 0; }
  to { background-position: -100% 0; }
}

.cf-tabs {
  display: flex;
  gap: var(--cf-space-4);
  border-bottom: 1px solid var(--cf-line);
}

.cf-tabs__item {
  border: 0;
  background: none;
  padding: 0.7rem 0;
  color: var(--cf-muted);
  font-weight: 600;
  cursor: pointer;
}

.cf-tabs__item.is-active {
  color: var(--cf-ink);
  box-shadow: inset 0 -2px 0 var(--cf-accent);
}

.cf-crumbs {
  display: flex;
  gap: 0.55rem;
  font-size: var(--cf-text-sm);
  color: var(--cf-muted);
}

.cf-crumbs span:not(:last-child)::after {
  content: "/";
  margin-left: 0.55rem;
  color: var(--cf-faint);
}

.cf-dialog {
  border: 0;
  padding: 0;
  background: transparent;
}

.cf-dialog::backdrop {
  background: rgba(22, 20, 16, 0.45);
}

.cf-dialog__card {
  width: min(28rem, calc(100vw - 2rem));
  padding: var(--cf-space-5);
  background: var(--cf-surface-2);
  border-radius: var(--cf-radius-md);
  box-shadow: var(--cf-shadow-md);
}

.cf-dialog__title { margin-bottom: var(--cf-space-2); }
.cf-dialog__body { color: var(--cf-ink-2); margin-bottom: var(--cf-space-5); }
.cf-dialog__actions { display: flex; justify-content: flex-end; gap: var(--cf-space-2); }

.cf-toasts {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  display: grid;
  gap: 0.6rem;
  z-index: 40;
}

.cf-toast {
  min-width: 16rem;
  padding: 0.8rem 1rem;
  background: var(--cf-ink);
  color: var(--cf-paper);
  border-radius: var(--cf-radius-sm);
  box-shadow: var(--cf-shadow-md);
  font-size: var(--cf-text-sm);
}

.cf-kbd {
  font-family: var(--cf-font-mono);
  font-size: 0.7rem;
  padding: 0.1rem 0.35rem;
  border: 1px solid var(--cf-line-strong);
  border-radius: 4px;
  color: var(--cf-muted);
  background: var(--cf-surface);
}

.cf-menu { position: relative; }

.cf-menu__panel {
  position: absolute;
  right: 0;
  top: calc(100% + 0.4rem);
  min-width: 13rem;
  padding: 0.35rem;
  background: var(--cf-surface-2);
  border: 1px solid var(--cf-line);
  border-radius: var(--cf-radius-md);
  box-shadow: var(--cf-shadow-md);
  z-index: 20;
}

.cf-menu__item {
  display: block;
  width: 100%;
  text-align: left;
  border: 0;
  background: none;
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  color: var(--cf-ink-2);
  text-decoration: none;
  cursor: pointer;
  font-size: var(--cf-text-sm);
}

.cf-menu__item:hover { background: var(--cf-paper); }
.cf-menu__item--danger { color: var(--cf-danger); }

.validation-summary-valid { display: none; }

.cf-muted { color: var(--cf-muted); }

.cf-section-title {
  margin: var(--cf-space-4) 0 var(--cf-space-2);
  font-size: var(--cf-text-md);
}

.cf-field__hint {
  color: var(--cf-muted);
  font-size: var(--cf-text-sm);
}

.cf-filters {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(4, minmax(0, 0.8fr)) auto;
  gap: var(--cf-space-3);
  align-items: end;
  margin-bottom: var(--cf-space-4);
}

.cf-filters__actions {
  display: flex;
  gap: var(--cf-space-2);
  padding-bottom: 0.1rem;
}

.cf-result-count {
  margin: 0 0 var(--cf-space-3);
  color: var(--cf-muted);
  font-size: var(--cf-text-sm);
}

.cf-person {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.cf-person span strong,
.cf-person span {
  display: block;
}

.cf-person--lg { align-items: flex-start; }

.cf-avatar--image {
  object-fit: cover;
  background: var(--cf-paper);
}

.cf-avatar--lg {
  width: 3.5rem;
  height: 3.5rem;
  font-size: 1.15rem;
}

.cf-row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem;
}

.cf-row-actions form { display: inline; }

.cf-password {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.cf-password .cf-input { flex: 1; }

.cf-meta {
  display: grid;
  gap: 0.75rem;
  margin: 0;
}

.cf-meta div {
  display: grid;
  gap: 0.15rem;
}

.cf-meta dt {
  font-size: var(--cf-text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cf-muted);
}

.cf-meta dd { margin: 0; }

@media (max-width: 1280px) {
  .cf-filters {
    grid-template-columns: repeat(2, minmax(0, 1fr)) auto;
  }
}

@media (max-width: 960px) {
  .cf-grid--2,
  .cf-grid--3,
  .cf-form-grid,
  .cf-filters { grid-template-columns: 1fr; }

  .cf-page-header { align-items: flex-start; flex-direction: column; }

  .cf-table--stack thead { display: none; }

  .cf-table--stack tr {
    display: grid;
    gap: 0.45rem;
    padding: 1rem 1.1rem;
    border-bottom: 1px solid var(--cf-line);
  }

  .cf-table--stack td {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    border: 0;
    padding: 0;
  }

  .cf-table--stack td::before {
    content: attr(data-label);
    color: var(--cf-muted);
    font-size: var(--cf-text-xs);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 650;
  }
}