/* ════════════════════════════════════════════════════════════════
 * CleanFlow Design System — component styles (Phase C)
 *
 * Consumed by markup emitted by lib/ds/primitives.js. Layered on top
 * of tokens.css. Page renderers include this stylesheet AFTER the
 * legacy page-specific <style> blocks so DS classes win — but the
 * legacy `.btn`/`.tab`/`.modal-bg` rules continue to apply where
 * pages have not migrated yet.
 *
 * No hex/rgb here — token-driven. If you need a new role, add it
 * to tokens.css first.
 * ════════════════════════════════════════════════════════════════ */

/* ── Buttons ─────────────────────────────────────────────────── */
button[data-ds-variant] {
  font-family: var(--ds-font-body);
  font-size: var(--ds-text-sm);
  font-weight: 600;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  gap: var(--ds-space-2);
  min-height: var(--ds-touch);
  padding: 0 var(--ds-space-4);
  border-radius: var(--ds-radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--ds-motion-fast) var(--ds-easing-out),
              border-color var(--ds-motion-fast) var(--ds-easing-out),
              transform var(--ds-motion-fast) var(--ds-easing-out);
  white-space: nowrap;
}
button[data-ds-size="sm"] { min-height: 32px; padding: 0 var(--ds-space-3); font-size: var(--ds-text-xs); }
button[data-ds-size="lg"] { min-height: 52px; padding: 0 var(--ds-space-5); font-size: var(--ds-text-md); }
button[data-ds-block="1"] { width: 100%; justify-content: center; }  /* full-width CTA (form-submit) */

button[data-ds-variant="primary"] {
  background: var(--ds-accent);
  color: var(--ds-accent-fg);
  border-color: var(--ds-accent);
}
button[data-ds-variant="primary"]:hover:not(:disabled) {
  background: var(--ds-accent-hover);
  border-color: var(--ds-accent-hover);
}
button[data-ds-variant="secondary"] {
  background: var(--ds-bg-card);
  color: var(--ds-fg);
  border-color: var(--ds-border);
}
button[data-ds-variant="secondary"]:hover:not(:disabled) {
  background: var(--ds-bg-card-hover);
  border-color: var(--ds-border-strong);
}
button[data-ds-variant="ghost"] {
  background: transparent;
  color: var(--ds-fg-muted);
  border-color: transparent;
}
button[data-ds-variant="ghost"]:hover:not(:disabled) {
  background: var(--ds-bg-card);
  color: var(--ds-fg);
}
button[data-ds-variant="danger"] {
  background: var(--ds-danger);
  color: #fff;
  border-color: var(--ds-danger);
}
button[data-ds-variant="danger"]:hover:not(:disabled) {
  filter: brightness(1.1);
}
/* warn/success — workflow-кнопки (approve/return/reject). Тёмный текст на ярком
   фоне (как danger использует #fff). Совпадает с legacy .btn.warn/.btn.success. */
button[data-ds-variant="warn"] {
  background: var(--ds-warning);
  color: #1a1a00;
  border-color: var(--ds-warning);
}
button[data-ds-variant="warn"]:hover:not(:disabled) {
  filter: brightness(1.08);
}
button[data-ds-variant="success"] {
  background: var(--ds-success);
  color: #003a1f;
  border-color: var(--ds-success);
}
button[data-ds-variant="success"]:hover:not(:disabled) {
  filter: brightness(1.08);
}
button[data-ds-variant]:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Icon-only button: keep square aspect */
.ds-icon-btn {
  min-width: var(--ds-touch);
  padding: 0;
  justify-content: center;
}
.ds-btn-icon {
  display: inline-flex;
  width: 1.1em;
  height: 1.1em;
  align-items: center;
  justify-content: center;
}

/* ── Tabs ────────────────────────────────────────────────────── */
.tabs[data-ds-tabs-style] {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ds-space-2);
}
.tabs[data-ds-tabs-style="pills"] .tab {
  font-family: var(--ds-font-body);
  font-size: var(--ds-text-sm);
  font-weight: 600;
  min-height: var(--ds-touch);
  padding: 0 var(--ds-space-4);
  display: inline-flex;
  align-items: center;
  gap: var(--ds-space-2);
  border-radius: var(--ds-radius-pill);
  border: 1px solid var(--ds-border);
  background: var(--ds-bg-card);
  color: var(--ds-fg);
  cursor: pointer;
  text-decoration: none;
  transition: background var(--ds-motion-fast) var(--ds-easing-out);
}
.tabs[data-ds-tabs-style="pills"] .tab:hover {
  background: var(--ds-bg-card-hover);
}
.tabs[data-ds-tabs-style="pills"] .tab[data-ds-active="1"] {
  background: var(--ds-accent);
  border-color: var(--ds-accent);
  color: var(--ds-accent-fg);
}
.tabs[data-ds-tabs-style="underline"] .tab {
  font-family: var(--ds-font-body);
  font-size: var(--ds-text-sm);
  font-weight: 600;
  padding: var(--ds-space-3) 0;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--ds-fg-muted);
  cursor: pointer;
}
.tabs[data-ds-tabs-style="underline"] .tab[data-ds-active="1"] {
  color: var(--ds-fg);
  border-bottom-color: var(--ds-accent);
}

/* ── Badges ──────────────────────────────────────────────────── */
.ds-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--ds-space-1);
  padding: 2px var(--ds-space-2);
  border-radius: var(--ds-radius-pill);
  font-size: var(--ds-text-xs);
  font-weight: 600;
  line-height: 1.4;
  border: 1px solid transparent;
}
.ds-badge[data-ds-size="sm"] { font-size: 10px; padding: 1px var(--ds-space-2); }
.ds-badge[data-ds-tone="neutral"]  { background: var(--ds-bg-card); color: var(--ds-fg-muted);    border-color: var(--ds-border); }
.ds-badge[data-ds-tone="default"]  { background: var(--ds-bg-card); color: var(--ds-fg);          border-color: var(--ds-border); }
.ds-badge[data-ds-tone="accent"]   { background: color-mix(in srgb, var(--ds-accent) 16%, transparent); color: var(--ds-accent); border-color: color-mix(in srgb, var(--ds-accent) 50%, transparent); }
.ds-badge[data-ds-tone="success"]  { background: color-mix(in srgb, var(--ds-success) 16%, transparent); color: var(--ds-success-fg); border-color: color-mix(in srgb, var(--ds-success) 40%, transparent); }
.ds-badge[data-ds-tone="warning"]  { background: color-mix(in srgb, var(--ds-warning) 16%, transparent); color: var(--ds-warning-fg); border-color: color-mix(in srgb, var(--ds-warning) 40%, transparent); }
.ds-badge[data-ds-tone="danger"]   { background: color-mix(in srgb, var(--ds-danger) 16%, transparent); color: var(--ds-danger-fg);   border-color: color-mix(in srgb, var(--ds-danger) 40%, transparent); }
.ds-badge[data-ds-tone="info"]     { background: color-mix(in srgb, var(--ds-info) 16%, transparent);   color: var(--ds-info-fg);     border-color: color-mix(in srgb, var(--ds-info) 40%, transparent); }

/* ── Cards ───────────────────────────────────────────────────── */
.ds-card {
  background: var(--ds-bg-card);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius-md);
  padding: var(--ds-space-5);
}
.ds-card[data-ds-tone="success"] { border-color: color-mix(in srgb, var(--ds-success) 60%, var(--ds-border)); }
.ds-card[data-ds-tone="warning"] { border-color: color-mix(in srgb, var(--ds-warning) 60%, var(--ds-border)); }
.ds-card[data-ds-tone="danger"]  { border-color: color-mix(in srgb, var(--ds-danger) 60%, var(--ds-border)); }
.ds-card-header {
  display: flex;
  flex-direction: column;
  gap: var(--ds-space-1);
  margin-bottom: var(--ds-space-4);
}
.ds-card-title {
  font-family: var(--ds-font-display);
  font-size: var(--ds-text-xl);
  font-weight: 600;
  margin: 0;
  letter-spacing: 0.02em;
}
.ds-card-subtitle {
  font-size: var(--ds-text-sm);
  color: var(--ds-fg-muted);
}
.ds-card-footer {
  margin-top: var(--ds-space-4);
  padding-top: var(--ds-space-4);
  border-top: 1px solid var(--ds-border);
  display: flex;
  justify-content: flex-end;
  gap: var(--ds-space-2);
}

/* ── Empty state ─────────────────────────────────────────────── */
.ds-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--ds-space-3);
  padding: var(--ds-space-7) var(--ds-space-5);
  text-align: center;
  background: var(--ds-bg-elevated);
  border: 1px dashed var(--ds-border);
  border-radius: var(--ds-radius-md);
  color: var(--ds-fg-muted);
}
.ds-empty-icon { font-size: var(--ds-text-3xl); line-height: 1; }
.ds-empty-title {
  font-family: var(--ds-font-display);
  font-size: var(--ds-text-lg);
  font-weight: 600;
  color: var(--ds-fg);
}
.ds-empty-hint { font-size: var(--ds-text-sm); max-width: 38em; }
.ds-empty-actions {
  display: flex;
  gap: var(--ds-space-2);
  flex-wrap: wrap;
  justify-content: center;
  margin-top: var(--ds-space-2);
}

/* ── Modal ───────────────────────────────────────────────────── */
.ds-modal-bg {
  position: fixed;
  inset: 0;
  background: var(--ds-bg-overlay);
  z-index: var(--ds-z-modal);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: var(--ds-space-7) var(--ds-space-3);
  overflow-y: auto;
  backdrop-filter: blur(2px);
}
.ds-modal {
  background: var(--ds-bg-card);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius-lg);
  padding: 0;
  width: 100%;
  max-width: 640px;
  box-shadow: var(--ds-shadow-lg);
  display: flex;
  flex-direction: column;
}
.ds-modal-bg[data-ds-modal-size="sm"] .ds-modal { max-width: 420px; }
.ds-modal-bg[data-ds-modal-size="lg"] .ds-modal { max-width: 960px; }
.ds-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--ds-space-3);
  padding: var(--ds-space-4) var(--ds-space-5);
  border-bottom: 1px solid var(--ds-border);
}
.ds-modal-title {
  font-family: var(--ds-font-display);
  font-size: var(--ds-text-xl);
  margin: 0;
}
.ds-modal-close {
  background: transparent;
  border: none;
  color: var(--ds-fg-muted);
  font-size: var(--ds-text-2xl);
  width: var(--ds-touch);
  height: var(--ds-touch);
  cursor: pointer;
  border-radius: var(--ds-radius-sm);
}
.ds-modal-close:hover { color: var(--ds-fg); background: var(--ds-bg-card-hover); }
.ds-modal-body { padding: var(--ds-space-5); }
.ds-modal-footer {
  padding: var(--ds-space-4) var(--ds-space-5);
  border-top: 1px solid var(--ds-border);
  display: flex;
  justify-content: flex-end;
  gap: var(--ds-space-2);
}

/* ── Header / utility row ────────────────────────────────────── */
/* Used by home page (Phase E.1) — main nav-pills on the left,
   utility icon-buttons (theme/reload/roles) on the right. */
.ds-header-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--ds-space-3);
  flex-wrap: wrap;
}
.ds-header-utils {
  display: inline-flex;
  align-items: center;
  gap: var(--ds-space-1);
  margin-left: auto;
}

/* ── Unified topbar (Phase E.6) ──────────────────────────────── */
/* Один компонент навигации для ВСЕХ DS-страниц — фикс «отсутствует
   адекватная навигация»: брендинг + breadcrumb слева, main-nav
   tabs по центру (активный подсвечен brand-red), tool-buttons справа.
   Сильно responsive: при <960px nav wrap'ится во вторую строку. */
.ds-topbar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--ds-space-4);
  padding: var(--ds-space-3) var(--ds-space-4);
  background: var(--ds-bg-elevated);
  border-bottom: 1px solid var(--ds-border);
  position: sticky;
  top: 0;
  z-index: var(--ds-z-sticky);
  margin: calc(-1 * var(--ds-space-4)) calc(-1 * var(--ds-space-4)) var(--ds-space-4);
}
.ds-topbar-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--ds-space-2);
  min-width: 0;
}
.ds-topbar-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--ds-space-1);
  text-decoration: none;
  color: var(--ds-fg);
  font-family: var(--ds-font-display);
  font-size: var(--ds-text-lg);
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: var(--ds-space-1) var(--ds-space-2);
  border-radius: var(--ds-radius-sm);
}
.ds-topbar-logo:hover { background: var(--ds-bg-card-hover); }
.ds-topbar-logo-mark {
  color: var(--ds-accent);
  font-size: 1.1em;
  line-height: 1;
}
.ds-topbar-tenant {
  font-size: var(--ds-text-xs);
  color: var(--ds-fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px var(--ds-space-2);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius-pill);
}
.ds-topbar-sep {
  color: var(--ds-fg-subtle);
  font-size: var(--ds-text-md);
  user-select: none;
}
.ds-topbar-section {
  font-family: var(--ds-font-body);
  font-size: var(--ds-text-md);
  color: var(--ds-fg);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}
.ds-topbar-nav {
  display: flex;
  justify-content: center;
  min-width: 0;
}
.ds-topbar-nav .tabs {
  flex-wrap: wrap;
  justify-content: center;
}
.ds-topbar-tools {
  display: inline-flex;
  align-items: center;
  gap: var(--ds-space-1);
  flex-shrink: 0;
}
/* Owner-action buttons: icon + label, compact */
.ds-topbar-tools a.btn[data-ds-variant] {
  display: inline-flex;
  align-items: center;
  gap: var(--ds-space-1);
  text-decoration: none;
  min-height: 36px;
  padding: 0 var(--ds-space-3);
  font-size: var(--ds-text-sm);
  font-weight: 600;
  border-radius: var(--ds-radius-md);
  border: 1px solid transparent;
  background: transparent;
  color: var(--ds-fg-muted);
  transition: background var(--ds-motion-fast) var(--ds-easing-out),
              color var(--ds-motion-fast) var(--ds-easing-out);
}
.ds-topbar-tools a.btn[data-ds-variant]:hover {
  background: var(--ds-bg-card);
  color: var(--ds-fg);
}
/* Active page (owner section): подсветка brand-red */
.ds-topbar-tools a.btn[data-ds-active="1"],
.ds-topbar-tools button[data-ds-active="1"] {
  background: color-mix(in srgb, var(--ds-accent) 16%, transparent);
  color: var(--ds-accent);
  border-color: color-mix(in srgb, var(--ds-accent) 40%, transparent);
}
.ds-topbar-btn-label {
  display: inline-block;
  white-space: nowrap;
}
/* Reload icon-only button */
.ds-topbar-tools button.ds-icon-btn {
  min-width: 36px;
  min-height: 36px;
}

/* Responsive: <960px → nav-tabs wrap во вторую строку */
@media (max-width: 960px) {
  .ds-topbar {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "brand tools"
      "nav   nav";
    gap: var(--ds-space-2) var(--ds-space-3);
  }
  .ds-topbar-brand { grid-area: brand; }
  .ds-topbar-tools { grid-area: tools; }
  .ds-topbar-nav   { grid-area: nav; justify-content: flex-start; overflow-x: auto; }
  .ds-topbar-nav .tabs { flex-wrap: nowrap; }
  .ds-topbar-nav .tab { white-space: nowrap; }
}
/* На средних экранах — скрываем text-labels owner-кнопок, оставляем иконки */
@media (max-width: 1200px) {
  .ds-topbar-tools .ds-topbar-btn-label { display: none; }
  .ds-topbar-tools a.btn[data-ds-variant] {
    min-width: 36px;
    padding: 0 var(--ds-space-2);
    justify-content: center;
  }
}
/* Mobile: ещё компактнее */
@media (max-width: 480px) {
  .ds-topbar { padding: var(--ds-space-2) var(--ds-space-3); }
  .ds-topbar-tenant { display: none; }
  .ds-topbar-section { font-size: var(--ds-text-sm); }
}

/* ── Mobile responsiveness ───────────────────────────────────── */
@media (max-width: 640px) {
  .ds-card { padding: var(--ds-space-4); }
  .ds-modal-bg { padding: var(--ds-space-3) 0; align-items: flex-end; }
  .ds-modal { border-radius: var(--ds-radius-lg) var(--ds-radius-lg) 0 0; max-width: 100%; }
  .tabs[data-ds-tabs-style="pills"] { gap: var(--ds-space-1); }
}

/* ── Charts: «рисование» линий/дуг на входе (charts.js .ds-draw) ─────
   pathLength="1" нормализует длину → одна анимация на любую геометрию.
   Уважает prefers-reduced-motion. */
.ds-draw {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  animation: ds-draw var(--ds-motion-slow, 320ms) var(--ds-easing-out) forwards;
}
@keyframes ds-draw { to { stroke-dashoffset: 0; } }
@media (prefers-reduced-motion: reduce) {
  .ds-draw { animation: none; stroke-dashoffset: 0; }
}

/* ── Logo (lib/ds/logo.js renderLogo) — тема-зависимый ч/б свап ──────
   Знак (short) — фирменный красный, видим в обеих темах. Горизонталь/
   вертикаль — чёрная на светлой, белая на тёмной. */
.ds-logo { display: inline-block; height: 1.5em; width: auto; vertical-align: middle; }
.ds-logo-link { display: inline-flex; align-items: center; text-decoration: none; }
.ds-logo--dark { display: none; }
:root[data-ds-mode="dark"] .ds-logo--light,
:root[data-theme="dark"]   .ds-logo--light { display: none; }
:root[data-ds-mode="dark"] .ds-logo--dark,
:root[data-theme="dark"]   .ds-logo--dark  { display: inline-block; }