:root {
  color-scheme: dark;
  --bg: #1d120e;
  --bg-raised: rgba(41, 25, 20, 0.88);
  --bg-panel: rgba(58, 34, 27, 0.88);
  --bg-soft: rgba(255, 241, 224, 0.07);
  --border: rgba(255, 232, 201, 0.12);
  --text: #fff5eb;
  --muted: #dfc2ae;
  --accent: #ffb15a;
  --accent-strong: #ff8d32;
  --accent-soft: rgba(255, 177, 90, 0.18);
  --success: #8de8ae;
  --danger: #ff9386;
  --shadow: 0 30px 100px rgba(0, 0, 0, 0.4);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Manrope", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

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

body {
  background:
    radial-gradient(circle at top, rgba(255, 177, 90, 0.18), transparent 32%),
    linear-gradient(180deg, #2d160f 0%, #160d0a 100%);
  color: var(--text);
  font-family: var(--font-body);
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.sr-only {
  border: 0;
  clip: rect(0, 0, 0, 0);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  width: 1px;
}

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

.backdrop {
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  position: fixed;
}

.backdrop__glow {
  border-radius: 999px;
  filter: blur(30px);
  opacity: 0.7;
  position: absolute;
}

.backdrop__glow--left {
  background: rgba(255, 140, 50, 0.2);
  height: 22rem;
  left: -4rem;
  top: 6rem;
  width: 22rem;
}

.backdrop__glow--right {
  background: rgba(255, 215, 143, 0.16);
  height: 18rem;
  right: -4rem;
  top: 14rem;
  width: 18rem;
}

.backdrop__grid {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 28px 28px;
  inset: 0;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.5), transparent 80%);
  position: absolute;
}

.shell {
  margin: 0 auto;
  max-width: 1500px;
  padding: 2rem;
  position: relative;
  z-index: 1;
}

.hero {
  align-items: end;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.hero h1,
.auth-card h2,
.pending-card h2,
.mail__toolbar h2,
.account-card h2,
.admin-board h2,
.composer h2,
.mail-reader h3 {
  font-family: var(--font-display);
  letter-spacing: -0.03em;
  margin: 0;
}

.hero h1 {
  font-size: clamp(2.6rem, 7vw, 5rem);
  line-height: 0.96;
}

.hero__copy,
.field-hint,
.status-message,
.pending-card p,
.reader-meta,
.account-card__address {
  color: var(--muted);
}

.hero__copy {
  font-size: 1.05rem;
  margin: 0.75rem 0 0;
  max-width: 36rem;
}

.hero__status {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  padding: 0.8rem 1rem;
  white-space: nowrap;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  margin: 0 0 0.55rem;
  text-transform: uppercase;
}

.panel {
  background: linear-gradient(180deg, rgba(68, 41, 32, 0.9), rgba(39, 24, 19, 0.96));
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.panel--auth,
.panel--pending {
  margin-bottom: 1.5rem;
}

.auth-card,
.pending-card {
  margin: 0 auto;
  max-width: 34rem;
  padding: 2rem;
}

.auth-card__header,
.composer__header,
.admin-board__header {
  align-items: start;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.auth-toggle {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 999px;
  display: inline-flex;
  padding: 0.25rem;
}

.auth-toggle__button,
.mail-nav__item,
.filter-chip {
  background: transparent;
  border: 0;
  color: var(--muted);
  transition: 160ms ease;
}

.auth-toggle__button {
  border-radius: 999px;
  padding: 0.65rem 0.95rem;
}

.auth-toggle__button.is-active,
.mail-nav__item.is-active,
.filter-chip.is-active {
  background: var(--accent-soft);
  color: var(--text);
}

.stack {
  display: grid;
  gap: 1rem;
}

.field {
  display: grid;
  gap: 0.5rem;
}

.field span {
  font-size: 0.92rem;
  font-weight: 700;
}

.field input,
.field textarea,
.search input {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--text);
  min-width: 0;
  outline: none;
  padding: 0.95rem 1rem;
  transition: border-color 160ms ease, background 160ms ease;
}

.field input:focus,
.field textarea:focus,
.search input:focus {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 177, 90, 0.42);
}

.field--textarea textarea {
  min-height: 220px;
  resize: vertical;
}

.button {
  align-items: center;
  border: 0;
  border-radius: 999px;
  display: inline-flex;
  font-weight: 700;
  gap: 0.5rem;
  justify-content: center;
  min-height: 46px;
  padding: 0.75rem 1.15rem;
  transition: transform 160ms ease, opacity 160ms ease, background 160ms ease;
}

.button:hover,
.mail-nav__item:hover,
.filter-chip:hover {
  transform: translateY(-1px);
}

.button:disabled {
  cursor: wait;
  opacity: 0.65;
}

.button--primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #2c1408;
}

.button--secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.button--ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.button--full {
  width: 100%;
}

.status-message {
  min-height: 1.3rem;
  margin: 1rem 0 0;
}

.status-message[data-tone="error"] {
  color: var(--danger);
}

.status-message[data-tone="success"] {
  color: var(--success);
}

.pending-card__actions,
.composer__actions,
.reader-actions,
.toolbar-actions,
.account-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.workspace {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 310px minmax(0, 1fr);
  margin-top: 1.5rem;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1rem;
}

.account-card {
  background: linear-gradient(180deg, rgba(255, 177, 90, 0.16), rgba(255, 255, 255, 0.03));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.2rem;
}

.account-card__address {
  margin: 0.4rem 0 1rem;
  word-break: break-word;
}

.pill {
  background: rgba(141, 232, 174, 0.18);
  border-radius: 999px;
  color: var(--success);
  display: inline-flex;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.35rem 0.7rem;
}

.pill--soft {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.mail-nav {
  display: grid;
  gap: 0.5rem;
}

.mail-nav__item {
  align-items: center;
  background: rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-md);
  display: flex;
  font-weight: 700;
  justify-content: space-between;
  padding: 0.9rem 1rem;
  text-align: left;
}

.count {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  min-width: 2rem;
  padding: 0.15rem 0.45rem;
  text-align: center;
}

.sidebar__footer {
  margin-top: auto;
}

.mail {
  display: grid;
  min-height: 70vh;
}

.mail__toolbar {
  align-items: start;
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  padding: 1.4rem 1.4rem 1rem;
}

.search input {
  min-width: 250px;
}

.filter-chip {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 999px;
  font-weight: 700;
  padding: 0.7rem 0.9rem;
}

.mail__content {
  display: grid;
  grid-template-columns: minmax(290px, 420px) minmax(0, 1fr);
  min-height: 0;
}

.mail-list {
  border-right: 1px solid var(--border);
  display: grid;
  gap: 0.6rem;
  overflow-y: auto;
  padding: 1rem;
}

.message-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  display: grid;
  gap: 0.45rem;
  padding: 1rem;
  text-align: left;
}

.message-card:hover,
.message-card.is-active {
  background: rgba(255, 177, 90, 0.09);
  border-color: rgba(255, 177, 90, 0.25);
}

.message-card__row {
  align-items: center;
  display: flex;
  gap: 0.6rem;
  justify-content: space-between;
}

.message-card__address {
  color: var(--text);
  font-weight: 700;
}

.message-card__subject {
  color: var(--text);
  font-size: 1rem;
  font-weight: 700;
  margin: 0;
}

.message-card__preview,
.message-card__time {
  color: var(--muted);
  margin: 0;
}

.message-card__badge {
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.22rem 0.5rem;
}

.message-card__badge--unread {
  background: rgba(255, 177, 90, 0.18);
  color: var(--accent);
}

.message-card__badge--archived {
  background: rgba(255, 255, 255, 0.08);
  color: var(--muted);
}

.mail-reader {
  display: grid;
  min-height: 0;
}

.mail-reader__empty,
.mail-reader__body {
  padding: 1.5rem;
}

.reader-header {
  border-top: 1px solid var(--border);
  margin-top: 1rem;
  padding-top: 1rem;
}

.reader-text {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text);
  margin: 1.5rem 0 0;
  overflow: auto;
  padding: 1rem;
  white-space: pre-wrap;
}

.admin-board {
  margin-top: 1.5rem;
  padding: 1.4rem;
}

.admin-list {
  display: grid;
  gap: 0.9rem;
  margin-top: 1rem;
}

.admin-item {
  align-items: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: grid;
  gap: 0.8rem;
  grid-template-columns: minmax(0, 1fr) auto;
  padding: 1rem;
}

.admin-item__copy {
  min-width: 0;
}

.admin-item__copy h3,
.admin-item__copy p {
  margin: 0;
}

.composer {
  background: rgba(8, 4, 3, 0.72);
  border: 0;
  inset: 0;
  max-height: none;
  max-width: none;
  padding: 1.2rem;
  width: 100%;
}

.composer::backdrop {
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(10px);
}

.composer__card {
  background: linear-gradient(180deg, rgba(71, 43, 34, 0.98), rgba(36, 20, 16, 0.98));
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  margin: auto;
  max-width: 760px;
  padding: 1.4rem;
}

.toast {
  background: rgba(16, 10, 8, 0.94);
  border: 1px solid var(--border);
  border-radius: 999px;
  bottom: 1.5rem;
  color: var(--text);
  opacity: 0;
  padding: 0.85rem 1rem;
  pointer-events: none;
  position: fixed;
  right: 1.5rem;
  transform: translateY(18px);
  transition: opacity 180ms ease, transform 180ms ease;
  z-index: 20;
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1120px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .mail__content {
    grid-template-columns: 1fr;
  }

  .mail-list {
    border-bottom: 1px solid var(--border);
    border-right: 0;
    max-height: 360px;
  }
}

@media (max-width: 760px) {
  .shell {
    padding: 1rem;
  }

  .hero,
  .mail__toolbar,
  .auth-card__header,
  .composer__header,
  .admin-board__header {
    display: grid;
  }

  .hero__status,
  .search input {
    width: 100%;
  }

  .toolbar-actions {
    flex-direction: column;
    width: 100%;
  }

  .mail-list,
  .mail-reader__empty,
  .mail-reader__body,
  .auth-card,
  .pending-card,
  .admin-board,
  .composer__card {
    padding: 1rem;
  }

  .admin-item {
    display: flex;
    flex-direction: column;
  }
}