:root {
  color-scheme: light;
  --bg: #f5f5f6;
  --bg-layer-1: rgba(211, 155, 61, 0.12);
  --bg-layer-2: rgba(58, 61, 68, 0.08);
  --surface: rgba(255, 255, 255, 0.94);
  --surface-strong: #ffffff;
  --surface-muted: #f7f7f8;
  --text: #2f3136;
  --muted: #6c717c;
  --line: rgba(47, 49, 54, 0.14);
  --line-strong: rgba(47, 49, 54, 0.24);
  --accent: #d39b3d;
  --danger: #be3a3a;
  --ok: #2f8a52;
  --radius-lg: 16px;
  --radius-md: 12px;
  --shadow: 0 24px 52px rgba(26, 28, 34, 0.11);
  --font: "SF Pro Display", "Avenir Next", "Helvetica Neue", "Segoe UI", sans-serif;
}

html[data-theme='dark'] {
  color-scheme: dark;
  --bg: #17191d;
  --bg-layer-1: rgba(211, 155, 61, 0.22);
  --bg-layer-2: rgba(255, 255, 255, 0.06);
  --surface: rgba(42, 45, 51, 0.92);
  --surface-strong: rgba(50, 54, 62, 0.96);
  --surface-muted: rgba(58, 62, 71, 0.6);
  --text: #f2f3f5;
  --muted: #b8bdc7;
  --line: rgba(255, 255, 255, 0.13);
  --line-strong: rgba(255, 255, 255, 0.24);
  --danger: #ff8a8a;
  --ok: #7fd1a0;
  --shadow: 0 24px 52px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

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

body {
  min-height: 100dvh;
  color: var(--text);
  font-family: var(--font);
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(circle at 14% -8%, var(--bg-layer-1), transparent 40%),
    radial-gradient(circle at 89% 4%, var(--bg-layer-2), transparent 46%),
    linear-gradient(180deg, var(--bg), color-mix(in srgb, var(--bg) 91%, #ffffff 9%));
}

.page-shell {
  flex: 1 1 auto;
  width: min(100%, 1160px);
  margin: 0 auto;
  padding: max(16px, env(safe-area-inset-top)) 14px max(24px, env(safe-area-inset-bottom));
  display: grid;
  gap: 12px;
}

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  padding: 14px;
}

.hero-card {
  display: grid;
  gap: 10px;
}

.hero-head {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
}

.hero-brand {
  grid-column: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
}

.hero-logo {
  width: min(78vw, 290px);
  max-width: 100%;
  height: auto;
}

.logo-light {
  display: none;
}

html[data-theme='dark'] .logo-dark {
  display: none;
}

html[data-theme='dark'] .logo-light {
  display: block;
}

.hero-actions {
  display: inline-flex;
  gap: 8px;
  grid-column: 3;
  justify-self: end;
}

.icon-btn,
.primary-btn,
.secondary-btn,
input,
select,
textarea {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: var(--surface-strong);
  color: var(--text);
  font: inherit;
}

.icon-btn {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  cursor: pointer;
}

.icon-btn svg {
  width: 20px;
  height: 20px;
}

.hero-copy h1,
.section-head h2 {
  margin: 0;
  font-size: 1.08rem;
}

.hero-copy p {
  margin: 4px 0 0;
  font-size: 0.86rem;
  color: var(--muted);
}

.app-card {
  display: grid;
  gap: 12px;
}

.composer-panel,
.inbox-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-strong);
  padding: 12px;
  display: grid;
  gap: 10px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}

.section-head > div {
  min-width: 0;
}

.count-chip {
  margin: 4px 0 0;
  font-size: 0.78rem;
  color: var(--muted);
}

.head-actions {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
}

.filters-row {
  display: grid;
  gap: 8px;
}

.messages-tabs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(0, 1fr));
  gap: 6px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-muted);
  width: min(100%, 560px);
}

.messages-tab-btn {
  width: 100%;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
}

.messages-tab-btn.is-active {
  border-color: color-mix(in srgb, var(--accent) 56%, var(--line-strong) 44%);
  background: var(--surface-strong);
  color: var(--text);
}

.segmented {
  display: inline-flex;
  gap: 6px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-muted);
}

.segmented-btn {
  width: auto;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font-size: 0.8rem;
  cursor: pointer;
}

.segmented-btn.is-active {
  border-color: color-mix(in srgb, var(--accent) 56%, var(--line-strong) 44%);
  background: var(--surface-strong);
  color: var(--text);
}

label {
  display: grid;
  gap: 6px;
  font-size: 0.82rem;
  color: color-mix(in srgb, var(--text) 78%, var(--muted) 22%);
}

input,
select,
textarea {
  width: 100%;
  min-width: 0;
  min-height: 40px;
  padding: 9px 11px;
  font-size: 0.92rem;
  line-height: 1.25;
}

textarea {
  min-height: 128px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--accent) 72%, #ffffff 28%);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent 82%);
}

.recipient-panel {
  display: grid;
  gap: 8px;
}

.recipient-list,
.inbox-list {
  display: grid;
  gap: 8px;
}

.recipient-item {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface-muted);
  padding: 9px 10px;
  text-align: left;
  display: grid;
  gap: 2px;
  cursor: pointer;
}

.recipient-item strong {
  font-size: 0.84rem;
}

.recipient-item small {
  font-size: 0.74rem;
  color: var(--muted);
}

.recipient-item.is-selected {
  border-color: color-mix(in srgb, var(--accent) 62%, var(--line-strong) 38%);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent 78%);
}

.message-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-muted);
  padding: 10px;
  display: grid;
  gap: 8px;
}

.message-card.is-unread {
  border-color: color-mix(in srgb, var(--accent) 64%, var(--line-strong) 36%);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 22%, transparent 78%);
}

.message-head {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: flex-start;
}

.message-title {
  margin: 0;
  font-size: 0.86rem;
}

.message-meta {
  margin: 0;
  font-size: 0.75rem;
  color: var(--muted);
}

.message-body {
  margin: 0;
  font-size: 0.83rem;
  white-space: pre-wrap;
  line-height: 1.35;
}

.message-actions {
  display: inline-flex;
  gap: 6px;
  flex-wrap: wrap;
}

.message-meta-grid {
  display: grid;
  gap: 6px;
}

.message-meta-grid p {
  margin: 0;
  font-size: 0.75rem;
  color: var(--muted);
  line-height: 1.3;
}

.message-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface-muted) 72%, var(--surface-strong) 28%);
  font-size: 0.72rem;
  color: var(--muted);
}

.meta-pill.is-danger {
  border-color: color-mix(in srgb, var(--danger) 42%, var(--line) 58%);
  color: var(--danger);
}

.composer-actions {
  display: inline-flex;
  gap: 8px;
}

.primary-btn,
.secondary-btn {
  min-height: 40px;
  padding: 0 12px;
  font-weight: 620;
  cursor: pointer;
}

.primary-btn {
  border-color: color-mix(in srgb, var(--accent) 58%, var(--line-strong) 42%);
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 30%, var(--surface-strong) 70%), var(--surface-strong));
}

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

.mini-btn {
  width: auto;
  min-height: 34px;
  padding: 0 10px;
  font-size: 0.76rem;
}

.feedback {
  margin: 0;
  min-height: 20px;
  font-size: 0.8rem;
  color: var(--muted);
}

.feedback.is-error {
  color: var(--danger);
}

.legal-note {
  margin: 0;
  text-align: center;
  font-size: 0.64rem;
  color: color-mix(in srgb, var(--muted) 74%, var(--text) 26%);
  padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
}

.is-hidden {
  display: none !important;
}

@media (min-width: 980px) {
  .filters-row {
    grid-template-columns: minmax(0, 1fr) minmax(0, 180px);
  }
}

@media (max-width: 760px) {
  input,
  select,
  textarea,
  button {
    font-size: 16px;
  }

  .head-actions {
    justify-content: flex-start;
  }
}