:root {
  color-scheme: light;
  --app-bg: #eef4fb;
  --panel-bg: #f5f8fc;
  --sidebar-bg: #fbfdff;
  --card-bg: #ffffff;
  --card-muted: #f2f6fb;
  --card-border: #d9e5f2;
  --text-primary: #142236;
  --text-secondary: #607189;
  --accent: #0878ef;
  --accent-strong: #075fcc;
  --accent-soft: rgba(8, 120, 239, 0.1);
  --button-bg: #f7fbff;
  --button-hover: #eaf3ff;
  --input-bg: #ffffff;
  --scrollbar-thumb: rgba(132, 156, 184, 0.62);
  --scrollbar-track: transparent;
  --shadow: 0 16px 34px rgba(38, 63, 96, 0.1);
  --danger: #c93648;
  --ok: #178462;
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --sidebar-width: 312px;
  --font: "Inter", "Segoe UI", "Roboto", Arial, sans-serif;
}

body[data-theme="dark"] {
  color-scheme: dark;
  --app-bg: #07101c;
  --panel-bg: #0b1624;
  --sidebar-bg: #081320;
  --card-bg: #101d2d;
  --card-muted: #0c1827;
  --card-border: rgba(126, 165, 207, 0.22);
  --text-primary: #edf5ff;
  --text-secondary: #9fb0c7;
  --accent: #4da0ff;
  --accent-strong: #1686ff;
  --accent-soft: rgba(77, 160, 255, 0.14);
  --button-bg: rgba(14, 43, 76, 0.82);
  --button-hover: rgba(42, 104, 177, 0.22);
  --input-bg: #0b1a2b;
  --scrollbar-thumb: rgba(77, 129, 188, 0.58);
  --shadow: 0 18px 44px rgba(0, 0, 0, 0.28);
  --danger: #ff6675;
  --ok: #22c98f;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html,
body {
  width: 100%;
  min-width: 0;
  min-height: 100%;
  overflow: hidden;
  background: var(--app-bg);
}

body {
  margin: 0;
  min-height: 100dvh;
  color: var(--text-primary);
  font-family: var(--font);
  font-weight: 500;
}

button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
svg { display: block; }
.icon-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

* {
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

::-webkit-scrollbar { width: 7px; height: 7px; }
::-webkit-scrollbar-track { background: var(--scrollbar-track); }
::-webkit-scrollbar-thumb { border-radius: 999px; background: var(--scrollbar-thumb); }

.app-layout {
  display: grid;
  grid-template-columns: 1fr;
  width: 100%;
  height: 100dvh;
  min-height: 100dvh;
  overflow: hidden;
  background: var(--panel-bg);
}

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 30;
  display: flex;
  flex-direction: column;
  width: min(var(--sidebar-width), calc(100vw - 40px));
  height: 100dvh;
  padding: calc(env(safe-area-inset-top) + var(--space-4)) var(--space-4) calc(env(safe-area-inset-bottom) + var(--space-4));
  border-right: 1px solid var(--card-border);
  background: var(--sidebar-bg);
  box-shadow: var(--shadow);
  transform: translateX(-104%);
  transition: transform 180ms ease;
}

body.drawer-open .sidebar { transform: translateX(0); }

.drawer-backdrop {
  position: fixed;
  inset: 0;
  z-index: 25;
  background: rgba(4, 12, 24, 0.46);
  backdrop-filter: blur(3px);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 48px;
  margin-bottom: var(--space-4);
}

.brand-logo,
.mobile-logo,
.avatar {
  display: block;
  flex: 0 0 auto;
  border-radius: var(--radius-sm);
  object-fit: contain;
  background: #fff;
}

.brand-logo { width: 38px; height: 38px; }
.mobile-logo { width: 30px; height: 30px; }
.avatar { width: 36px; height: 36px; padding: 4px; border: 1px solid var(--card-border); }

.brand-name,
.mobile-brand {
  color: var(--text-primary);
  font-size: 22px;
  font-weight: 750;
  letter-spacing: 0;
}

.brand-name sup,
.mobile-brand sup {
  margin-left: 1px;
  font-size: 11px;
}

.nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 2px;
}

.nav-section {
  margin-top: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--card-border);
}

.nav-section p {
  margin: 0 0 var(--space-2);
  padding: 0 var(--space-2);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 740;
  line-height: 1.25;
  text-transform: uppercase;
}

.nav-button {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  min-height: 46px;
  margin: 0 0 var(--space-2);
  padding: 0 var(--space-3);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-primary);
  text-align: left;
  font-size: 14px;
  font-weight: 650;
}

.nav-button svg,
.idea-card svg,
.topbar svg,
.composer svg,
.quick-actions svg,
.icon-action svg,
.modal-close svg,
.instruction-row svg,
.accordion summary svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.nav-button svg { color: var(--text-secondary); }
.nav-button span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.nav-button:hover,
.nav-button:focus-visible {
  border-color: var(--card-border);
  background: var(--button-hover);
  outline: none;
}

.nav-button.active {
  border-color: color-mix(in srgb, var(--accent), var(--card-border) 45%);
  background: var(--accent-soft);
}

.nav-button.active svg { color: var(--accent); }

.idea-card {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: var(--space-3);
  width: 100%;
  margin-top: auto;
  padding: var(--space-3);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--card-bg), var(--accent-soft) 18%);
  color: var(--text-primary);
  text-align: left;
}

.idea-card:hover,
.idea-card:focus-visible {
  border-color: color-mix(in srgb, var(--accent), var(--card-border) 48%);
  background: var(--button-hover);
  outline: none;
}

.idea-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--accent);
}

.idea-card strong,
.idea-card small,
.idea-card b { display: block; }
.idea-card strong { margin-bottom: var(--space-1); font-size: 14px; line-height: 1.25; }
.idea-card small { color: var(--text-secondary); font-size: 12px; line-height: 1.35; }
.idea-card b { margin-top: var(--space-2); color: var(--accent); font-size: 13px; }

.workspace {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  min-width: 0;
  width: 100%;
  height: 100dvh;
  overflow: hidden;
  background: var(--panel-bg);
  padding: 0 max(var(--space-3), env(safe-area-inset-right)) 0 max(var(--space-3), env(safe-area-inset-left));
}

.topbar {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto 44px;
  align-items: center;
  gap: var(--space-2);
  min-height: calc(58px + env(safe-area-inset-top));
  padding-top: env(safe-area-inset-top);
}

.mobile-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
  overflow: hidden;
  font-size: 18px;
}

.menu-button,
.theme-toggle,
.max-pill,
.composer button,
.quick-actions button,
.modal-close,
.error-check button,
.modal-form button,
.secondary-action,
.text-action,
.mini-action,
.category-chip {
  min-height: 44px;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  background: var(--button-bg);
  color: var(--text-primary);
}

.menu-button,
.theme-toggle {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
}

.max-pill {
  display: inline-grid;
  place-items: center;
  min-height: 34px;
  min-width: 86px;
  padding: 0 var(--space-3);
  border-radius: 999px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  cursor: default;
}

.theme-toggle .theme-icon-moon,
body[data-theme="dark"] .theme-toggle .theme-icon-sun { display: none; }
body[data-theme="dark"] .theme-toggle .theme-icon-moon { display: block; }

.chat-area,
.content-view {
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
}

.chat-area {
  width: 100%;
  padding: var(--space-5) 0 var(--space-6);
}

.message {
  display: grid;
  gap: var(--space-2);
  width: min(1120px, 100%);
  margin: 0 auto var(--space-4);
}

.message.user { justify-items: end; }
.message.assistant { grid-template-columns: 36px minmax(0, 1fr); align-items: start; }

.bubble {
  max-width: 100%;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  background: var(--card-bg);
  color: var(--text-primary);
  box-shadow: var(--shadow);
}

.user .bubble {
  max-width: min(82vw, 620px);
  padding: 12px 14px 8px;
  border-color: color-mix(in srgb, var(--accent), transparent 56%);
  background: linear-gradient(145deg, var(--accent), var(--accent-strong));
  color: #fff;
  line-height: 1.48;
}

.user .bubble p { margin: 0; }
.user .bubble small { display: block; margin-top: 6px; opacity: 0.84; }
.user .bubble footer {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 7px;
  margin-top: 5px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 12px;
}

.assistant .bubble {
  width: 100%;
  max-width: 1060px;
  padding: var(--space-4);
  line-height: 1.58;
}

.bubble header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.bubble header strong { font-size: 15px; }
.bubble time { color: var(--text-secondary); font-size: 12px; }
.assistant p { margin: 0 0 var(--space-4); }
.assistant ol { margin: 0; padding-left: 22px; }
.assistant li { margin: 0 0 var(--space-3); padding-left: var(--space-1); }
.assistant li::marker { color: var(--accent); font-weight: 800; }
.assistant li b { display: block; margin-bottom: 2px; }
.assistant li span { display: block; color: var(--text-secondary); }

.composer-panel {
  z-index: 10;
  width: 100%;
  padding: var(--space-2) 0 max(12px, env(safe-area-inset-bottom));
  background: linear-gradient(180deg, transparent 0%, var(--panel-bg) 22%);
}

.quick-actions {
  display: flex;
  gap: var(--space-2);
  width: min(1080px, 100%);
  margin: 0 auto var(--space-2);
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0 0 2px;
}

.quick-actions button {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  flex: 0 0 auto;
  padding: 0 var(--space-4);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 650;
}

.quick-actions svg {
  width: 18px;
  height: 18px;
}

.quick-actions button:hover,
.quick-actions button:focus-visible,
.composer button:hover,
.composer button:focus-visible,
.menu-button:hover,
.theme-toggle:hover,
.text-action:hover,
.secondary-action:hover,
.mini-action:hover,
.mini-action:focus-visible,
.category-chip:hover,
.category-chip:focus-visible {
  border-color: color-mix(in srgb, var(--accent), var(--card-border) 44%);
  background: var(--button-hover);
  outline: none;
}

.composer {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 44px 48px;
  align-items: end;
  gap: var(--space-2);
  width: min(1080px, 100%);
  min-height: 62px;
  margin: 0 auto;
  padding: var(--space-2);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  background: var(--input-bg);
  box-shadow: var(--shadow);
}

.composer textarea {
  width: 100%;
  min-height: 44px;
  max-height: 132px;
  padding: 12px 0;
  border: 0;
  outline: none;
  resize: none;
  background: transparent;
  color: var(--text-primary);
  line-height: 1.45;
}

.composer textarea::placeholder { color: var(--text-secondary); }
.composer button { display: grid; place-items: center; width: 44px; height: 44px; }
.voice-button { color: var(--text-secondary); }
.voice-button.recording { border-color: rgba(255, 102, 117, 0.58); color: var(--danger); }
.send-button { width: 48px !important; border-color: transparent !important; background: linear-gradient(145deg, #1b91ff, #0c68f0) !important; color: #fff !important; }
.media-chip { width: min(1080px, 100%); margin: var(--space-2) auto 0; color: var(--text-secondary); font-size: 13px; }

.content-view {
  width: min(980px, 100%);
  margin: 0 auto;
  padding: var(--space-5) 0 var(--space-6);
}

.content-panel {
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  background: var(--card-bg);
  box-shadow: var(--shadow);
  padding: var(--space-5);
}

.content-panel.wide { width: 100%; }
.content-panel h1,
.content-panel h2 { margin: 0 0 var(--space-2); font-size: 24px; line-height: 1.2; }
.content-panel p { margin: 0 0 var(--space-4); color: var(--text-secondary); line-height: 1.55; }

.accordion-stack,
.contact-grid,
.guide-grid,
.instruction-list,
.error-grid {
  display: grid;
  gap: var(--space-3);
}

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

.accordion {
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  background: var(--card-muted);
  overflow: hidden;
}

.accordion summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto 20px;
  align-items: center;
  gap: var(--space-3);
  min-height: 54px;
  padding: var(--space-3) var(--space-4);
  color: var(--text-primary);
  font-weight: 780;
  cursor: pointer;
  list-style: none;
}

.accordion summary::-webkit-details-marker { display: none; }
.accordion summary span { min-width: 0; }
.accordion summary small { color: var(--text-secondary); font-size: 12px; font-weight: 700; white-space: nowrap; }
.accordion summary svg { color: var(--text-secondary); transition: transform 160ms ease; }
.accordion[open] summary svg { transform: rotate(90deg); }
.accordion .instruction-list { padding: 0 var(--space-3) var(--space-3); }

.instruction-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  min-height: 68px;
  padding: var(--space-3);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  background: var(--card-bg);
  color: var(--text-primary);
  text-align: left;
}

.instruction-row:hover,
.error-card:hover,
.error-card:focus-visible {
  border-color: color-mix(in srgb, var(--accent), var(--card-border) 45%);
  background: var(--button-hover);
  outline: none;
}

.step-badge {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid color-mix(in srgb, var(--accent), var(--card-border) 46%);
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 14px;
  font-weight: 850;
}

.instruction-copy {
  min-width: 0;
}

.instruction-row strong,
.instruction-row small {
  display: block;
  line-height: 1.35;
}

.instruction-row small {
  margin-top: 4px;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
}

.row-actions,
.card-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-2);
}

.row-actions {
  flex-wrap: nowrap;
}

.card-actions {
  margin-top: var(--space-3);
  flex-wrap: wrap;
  justify-content: flex-start;
}

.card-actions.compact {
  margin-top: var(--space-2);
}

.mini-action {
  min-height: 36px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--accent);
  font-size: 13px;
  font-weight: 760;
  white-space: nowrap;
}

.mini-action.secondary,
.text-action.secondary {
  background: var(--button-bg);
  color: var(--text-secondary);
}

.mini-action.has-link,
.text-action.has-link,
.status-dot.ready {
  color: var(--ok);
}

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

.contact-card,
.guide-card,
.error-card,
.result-box {
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  background: var(--card-muted);
  padding: var(--space-4);
}

.guide-card strong,
.contact-card strong,
.error-card strong {
  display: block;
  margin-bottom: var(--space-2);
}

.guide-card {
  display: flex;
  flex-direction: column;
}

.guide-card p {
  margin-bottom: 0;
}

.guide-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
}

.status-dot {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 24px;
  padding: 0 var(--space-2);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  background: var(--card-bg);
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 800;
  white-space: nowrap;
}

.status-dot::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: currentColor;
}

.contact-card a {
  display: block;
  color: var(--accent);
  font-weight: 800;
  text-decoration: none;
  margin-bottom: var(--space-1);
}

.contact-card ul {
  margin: var(--space-2) 0 0;
  padding-left: var(--space-5);
  color: var(--text-secondary);
  line-height: 1.55;
}

.text-action {
  margin-top: var(--space-3);
  padding: 0 var(--space-4);
  color: var(--accent);
  font-weight: 750;
}

.instruction-page {
  display: grid;
  gap: var(--space-5);
}

.instruction-page-head {
  display: grid;
  gap: var(--space-3);
}

.instruction-page-head h1,
.instruction-page-head p {
  margin: 0;
}

.instruction-page-head .status-dot {
  justify-self: start;
}

.instruction-source {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-secondary);
  font-size: 14px;
}

.instruction-source a {
  color: var(--accent);
  font-weight: 800;
  text-decoration: none;
}

.instruction-ask {
  justify-self: start;
  min-height: 40px;
  margin-top: 0;
  border-color: color-mix(in srgb, var(--accent), var(--card-border) 58%);
  background: var(--accent-soft);
}

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

.instruction-step-card {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  background: var(--card-bg);
}

.instruction-step-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.instruction-step-head span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

.instruction-step-head small {
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 750;
}

.instruction-step-card h2 {
  margin: 0;
  font-size: 19px;
  line-height: 1.25;
}

.instruction-step-card p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.58;
}

.instruction-step-image {
  display: block;
  width: 100%;
  max-width: 760px;
  max-height: 620px;
  object-fit: contain;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  background: var(--card-muted);
}

.card-actions .text-action,
.result-box .text-action {
  margin-top: 0;
}

.category-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.category-chip {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 var(--space-3);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  background: var(--card-muted);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 700;
}

.category-chip.active {
  border-color: color-mix(in srgb, var(--accent), var(--card-border) 45%);
  background: var(--accent-soft);
  color: var(--accent);
}

.manual-search,
.error-check input {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  background: var(--input-bg);
  color: var(--text-primary);
  outline: none;
  padding: 12px;
}

.manual-search { margin-bottom: var(--space-4); }
.error-check {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}
.error-check button { padding: 0 var(--space-5); background: var(--accent); color: #fff; font-weight: 800; }
.error-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.error-card { min-height: 86px; text-align: left; color: var(--text-primary); }
.error-card span { color: var(--text-secondary); line-height: 1.35; }
.result-box { margin-bottom: var(--space-4); }
.result-box p { margin-bottom: 0; }

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: var(--space-4);
  background: rgba(0, 8, 18, 0.58);
  backdrop-filter: blur(8px);
}

.modal {
  position: relative;
  width: min(640px, 100%);
  max-height: min(760px, calc(100dvh - 40px));
  overflow: auto;
  border: 1px solid color-mix(in srgb, var(--accent), var(--card-border) 42%);
  border-radius: var(--radius-lg);
  background: var(--card-bg);
  box-shadow: var(--shadow);
  padding: var(--space-5);
}

.modal-close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
}

.modal h2 { margin: 0 48px var(--space-2) 0; }
.modal p { color: var(--text-secondary); line-height: 1.55; }

.modal-form {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.modal-form label {
  display: grid;
  gap: 7px;
  color: var(--text-secondary);
  font-size: 13px;
}

.modal-form label small {
  color: var(--text-secondary);
  line-height: 1.35;
}

.modal-form input,
.modal-form textarea,
.modal-form select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  background: var(--input-bg);
  color: var(--text-primary);
  outline: none;
  padding: 12px;
}

.modal-form textarea { min-height: 132px; resize: vertical; }
.modal-form button { padding: 0 var(--space-4); background: var(--accent); color: #fff; font-weight: 800; }
.form-actions { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-2); }
.modal-form .secondary-action { background: var(--button-bg); color: var(--text-primary); }
.toast { color: var(--ok); font-weight: 700; line-height: 1.45; }
.toast.error { color: var(--danger); }

.upload-zone {
  display: grid !important;
  grid-template-columns: 42px minmax(0, 1fr);
  align-items: center;
  gap: var(--space-3) !important;
  min-height: 84px;
  padding: var(--space-3);
  border: 1px dashed color-mix(in srgb, var(--accent), var(--card-border) 45%);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--card-bg), var(--accent-soft) 18%);
  color: var(--text-primary) !important;
  cursor: pointer;
}

.upload-zone input {
  display: none;
}

.upload-zone strong,
.upload-zone small {
  display: block;
}

.upload-zone small {
  margin-top: 2px;
  color: var(--text-secondary);
}

.upload-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--accent);
}

.upload-icon svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
}

.file-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.file-list span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  max-width: 100%;
  padding: 0 var(--space-3);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  background: var(--card-muted);
  color: var(--text-secondary);
  font-size: 12px;
}

.contact-card.highlight {
  grid-column: 1 / -1;
  background: color-mix(in srgb, var(--card-bg), var(--accent-soft) 24%);
}

.contact-person {
  display: grid;
  gap: 3px;
  margin: var(--space-2) 0;
}

.contact-person span {
  color: var(--text-secondary);
  font-size: 13px;
}

.content-panel.contacts-page {
  display: grid;
  gap: 12px;
  width: min(1160px, 100%);
  margin: 0 auto;
  background: transparent;
  box-shadow: none;
  padding: 6px 0 0;
  border: 0;
}

.content-view:has(.contacts-page) {
  width: min(1160px, 100%);
  padding: 10px 0 12px;
}

.contacts-hero {
  margin-bottom: 0;
}

.contacts-hero h1 {
  margin-bottom: 6px;
  color: #142236;
  font-size: clamp(25px, 1.9vw, 28px);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: 0;
}

.contacts-hero p {
  max-width: 760px;
  margin-bottom: 0;
  color: #607189;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
}

.contacts-primary-card,
.contacts-secondary-card,
.contacts-info-card {
  border: 1px solid #dbe7f4;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 12px 28px rgba(31, 57, 88, 0.07);
}

.contacts-primary-card,
.contacts-secondary-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 20px;
}

.contacts-primary-copy,
.contacts-secondary-copy {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.contacts-primary-copy > div,
.contacts-secondary-copy > div {
  min-width: 0;
}

.contacts-primary-copy strong,
.contacts-secondary-copy strong,
.contacts-card-head strong,
.contacts-warning strong {
  display: block;
  color: #16233f;
  font-weight: 700;
}

.contacts-primary-copy strong {
  margin-bottom: 4px;
  font-size: clamp(18px, 1.5vw, 21px);
  line-height: 1.16;
  letter-spacing: 0;
}

.contacts-secondary-copy strong {
  margin-bottom: 3px;
  font-size: 17px;
  line-height: 1.16;
  letter-spacing: 0;
}

.contacts-primary-copy p,
.contacts-secondary-copy p {
  margin: 0;
  color: #607189;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.38;
}

.contacts-icon-badge,
.contacts-card-icon,
.contacts-warning-icon,
.contacts-icon-button,
.contacts-copy-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.contacts-icon-badge {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  background: linear-gradient(180deg, #2c86ef 0%, #1769d7 100%);
  color: #fff;
  box-shadow: 0 10px 18px rgba(23, 105, 215, 0.16);
}

.contacts-icon-badge svg,
.contacts-main-button svg,
.contacts-card-icon svg,
.contacts-warning-icon svg,
.contacts-icon-button svg,
.contacts-secondary-button svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contacts-icon-badge svg {
  width: 28px;
  height: 28px;
}

.contacts-card-icon svg,
.contacts-icon-button svg,
.contacts-warning-icon svg {
  width: 15px;
  height: 15px;
}

.contacts-primary-actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
  gap: 6px;
  min-width: min(100%, 246px);
}

.contacts-main-button,
.contacts-secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid rgba(13, 102, 232, 0.16);
  border-radius: 12px;
  background: #176fe5;
  color: #fff;
  font-size: 13px;
  font-weight: 720;
  text-decoration: none;
  box-shadow: 0 8px 16px rgba(12, 102, 232, 0.12);
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.contacts-main-button:hover,
.contacts-main-button:focus-visible,
.contacts-secondary-button:hover,
.contacts-secondary-button:focus-visible,
.contacts-icon-button:hover,
.contacts-icon-button:focus-visible,
.contacts-copy-button:hover,
.contacts-copy-button:focus-visible {
  outline: none;
  transform: translateY(-1px);
}

.contacts-badge {
  align-self: stretch;
  min-height: 22px;
  padding: 0 10px;
  border: 1px solid rgba(13, 102, 232, 0.16);
  border-radius: 999px;
  background: #f4f8ff;
  color: #316fca;
  font-size: 11px;
  font-weight: 650;
  line-height: 22px;
  text-align: center;
}

.contacts-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
  align-items: stretch;
}

.contacts-grid > .contacts-info-card:nth-child(-n + 3) {
  grid-column: span 2;
}

.contacts-grid > .contacts-info-card:nth-child(n + 4) {
  grid-column: span 3;
}

.contacts-info-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 15px 16px;
}

.contacts-card-head {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  margin-bottom: 9px;
}

.contacts-card-icon {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: #f1f7ff;
  color: var(--accent);
}

.contacts-card-head strong {
  margin: 0;
  min-width: 0;
  font-size: 15px;
  line-height: 1.18;
  letter-spacing: 0;
  text-wrap: balance;
}

.contacts-stack {
  display: grid;
  gap: 0;
}

.contacts-line-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 0;
}

.contacts-stack .contacts-line-item:first-child {
  padding-top: 2px;
}

.contacts-stack .contacts-line-item:last-child {
  padding-bottom: 0;
}

.contacts-line-item + .contacts-line-item {
  border-top: 1px solid rgba(20, 34, 54, 0.08);
}

.contacts-line-copy {
  min-width: 0;
}

.contacts-line-copy span {
  display: block;
  margin-bottom: 2px;
  color: #58687f;
  font-size: 12px;
  font-weight: 520;
  line-height: 1.28;
}

.contacts-line-copy a {
  display: inline-flex;
  margin: 0;
  color: #1672ef;
  font-size: 14px;
  font-weight: 740;
  text-decoration: none;
  line-height: 1.18;
}

.contacts-icon-button,
.contacts-copy-button {
  min-width: 28px;
  min-height: 28px;
  padding: 0 8px;
  border: 1px solid rgba(13, 102, 232, 0.16);
  border-radius: 9px;
  background: #fff;
  color: #2c73e3;
  box-shadow: none;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.contacts-copy-button {
  min-width: 66px;
  min-height: 26px;
  border-color: rgba(13, 102, 232, 0.13);
  background: transparent;
  color: #3f79c9;
  font-size: 10px;
  font-weight: 650;
}

.contacts-list {
  margin: 0;
  padding-left: 16px;
  color: #5d6e86;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.38;
}

.contacts-list li + li {
  margin-top: 4px;
}

.contacts-list-tight {
  margin-bottom: 8px;
}

.contacts-warning {
  display: flex;
  align-items: flex-start;
  gap: 7px;
  padding: 8px 10px;
  border: 1px solid rgba(217, 139, 34, 0.18);
  border-radius: 11px;
  background: #fff7ec;
  color: #936116;
}

.contacts-warning-icon {
  width: 17px;
  height: 17px;
}

.contacts-warning strong {
  margin: 0;
  color: inherit;
  font-size: 12px;
  font-weight: 650;
  line-height: 1.28;
}

.contacts-secondary-card {
  margin-top: 0;
}

.contacts-secondary-button {
  min-width: 218px;
  min-height: 38px;
  background: #fff;
  color: #176fe5;
  box-shadow: none;
}

@media (max-width: 1180px) {
  .contacts-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contacts-grid > .contacts-info-card:nth-child(-n + 3),
  .contacts-grid > .contacts-info-card:nth-child(n + 4) {
    grid-column: auto;
  }
}

@media (min-width: 769px) {
  .app-layout { grid-template-columns: var(--sidebar-width) minmax(0, 1fr); }
  .sidebar { position: relative; z-index: 1; width: var(--sidebar-width); transform: none; box-shadow: none; }
  .drawer-backdrop, .menu-button, .mobile-brand { display: none !important; }
  .workspace { padding: 0 var(--space-6); }
  .topbar { grid-template-columns: minmax(0, 1fr) auto 44px; min-height: 72px; }
  .max-pill { grid-column: 2; }
  .theme-toggle { grid-column: 3; }
  .chat-area { padding-top: var(--space-4); padding-bottom: var(--space-6); }
  .message.assistant { grid-template-columns: 42px minmax(0, 1fr); }
  .avatar { width: 42px; height: 42px; }
  .assistant .bubble { padding: var(--space-5) var(--space-6); font-size: 17px; }
  .user .bubble { max-width: 620px; }
  .quick-actions { padding-left: 54px; }
}

@media (max-width: 768px) {
  .topbar { grid-template-columns: 44px minmax(0, 1fr) auto 44px; }
  .content-view { width: 100%; padding-top: var(--space-3); }
  .content-panel { padding: var(--space-4); }
  .instruction-step-card { padding: var(--space-3); }
  .instruction-step-card h2 { font-size: 17px; }
  .instruction-step-image { max-height: none; }
  .guide-grid.two,
  .error-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .content-panel.contacts-page { gap: var(--space-4); padding-top: 22px; }
  .contacts-grid { grid-template-columns: 1fr; gap: 16px; }
  .contacts-grid > .contacts-info-card:nth-child(-n + 3),
  .contacts-grid > .contacts-info-card:nth-child(n + 4) { grid-column: auto; }
  .contacts-primary-card,
  .contacts-secondary-card { flex-direction: column; align-items: stretch; padding: 20px; }
  .contacts-primary-copy,
  .contacts-secondary-copy { align-items: flex-start; gap: 16px; }
  .contacts-primary-copy { flex-direction: column; }
  .contacts-icon-badge { width: 72px; height: 72px; border-radius: 24px; }
  .contacts-icon-badge svg { width: 34px; height: 34px; }
  .contacts-hero h1 { font-size: 28px; }
  .contacts-primary-copy strong { font-size: 23px; }
  .contacts-secondary-copy strong,
  .contacts-card-head strong { font-size: 19px; }
  .contacts-primary-actions,
  .contacts-secondary-button { min-width: 0; width: 100%; }
  .contacts-badge { align-self: stretch; }
  .contacts-line-item { align-items: flex-start; }
  .contacts-copy-button { padding: 0 12px; }
  .form-actions { grid-template-columns: 1fr; }
  .modal-form button,
  .secondary-action { width: 100%; }
  .instruction-row { grid-template-columns: 32px minmax(0, 1fr); align-items: start; }
  .step-badge { width: 32px; height: 32px; }
  .row-actions { grid-column: 1 / -1; justify-content: stretch; }
  .row-actions .mini-action { flex: 1 1 0; }
  .message { margin-bottom: var(--space-3); }
  .message.assistant { grid-template-columns: 1fr; }
  .message.assistant .avatar { display: none; }
  .assistant .bubble { padding: var(--space-4); }
  .user .bubble { max-width: 88vw; }
}

@media (max-width: 480px) {
  .workspace { padding-left: var(--space-2); padding-right: var(--space-2); }
  .topbar { grid-template-columns: 44px minmax(72px, 1fr) auto 42px; min-height: calc(56px + env(safe-area-inset-top)); }
  .max-pill { min-width: 78px; padding: 0 var(--space-2); font-size: 12px; }
  .brand-name, .mobile-brand { font-size: 17px; }
  .composer { grid-template-columns: 42px minmax(0, 1fr) 42px 46px; gap: 6px; padding: 7px; }
  .composer button { width: 42px; height: 44px; }
  .send-button { width: 46px !important; }
  .content-panel h1 { font-size: 21px; }
  .contacts-hero h1 { font-size: 27px; }
  .contacts-info-card { padding: 20px; }
  .contacts-card-head { align-items: flex-start; }
  .contacts-line-item { gap: 10px; }
  .contacts-line-copy a { font-size: 16px; }
}