:root {
  --bg: #08111d;
  --bg-soft: #101a28;
  --bg-alt: #152234;
  --surface: rgba(16, 26, 40, 0.92);
  --surface-strong: #1b2940;
  --surface-soft: rgba(27, 41, 64, 0.82);
  --border: rgba(158, 180, 206, 0.18);
  --ink: #edf5ff;
  --muted: #9eb4ce;
  --accent: #52c7b8;
  --accent-strong: #2c9d8f;
  --accent-soft: rgba(82, 199, 184, 0.14);
  --danger: #ff6d6d;
  --danger-soft: rgba(255, 109, 109, 0.14);
  --success: #65d69a;
  --success-soft: rgba(101, 214, 154, 0.14);
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.38);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "Segoe UI Variable", "Trebuchet MS", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(82, 199, 184, 0.14), transparent 22%),
    radial-gradient(circle at top right, rgba(86, 118, 255, 0.12), transparent 28%),
    linear-gradient(180deg, #09121f 0%, #060d17 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

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

.page-shell {
  max-width: 1380px;
  margin: 0 auto;
  padding: calc(28px + env(safe-area-inset-top)) max(20px, env(safe-area-inset-right)) calc(42px + env(safe-area-inset-bottom)) max(20px, env(safe-area-inset-left));
}

.site-header {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-start;
  margin-bottom: 22px;
}

.brand,
h1,
h2,
h3 {
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Palatino, serif;
}

.brand {
  display: inline-block;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.tagline,
.lede,
.message-meta dd,
.message-row,
.folder-link,
.attachment-pill span,
.data-row p,
.account-card p,
.empty-state {
  color: var(--muted);
}

.nav-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.pill,
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.74rem;
  font-weight: 700;
}

.pill {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(82, 199, 184, 0.12);
  color: var(--ink);
  border: 1px solid rgba(82, 199, 184, 0.18);
}

.eyebrow {
  color: #8fded4;
  margin: 0 0 10px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: blur(18px);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.inner-panel {
  padding: 24px;
  background: rgba(9, 17, 29, 0.48);
}

.login-shell {
  display: grid;
  grid-template-columns: minmax(320px, 560px);
  gap: 24px;
  align-items: stretch;
  justify-content: center;
}

.form-panel,
.compose-shell,
.sidebar,
.mailbox-panel,
.settings-shell,
.admin-shell,
.device-strip {
  padding: 28px;
}

.device-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  margin-bottom: 18px;
}

.device-strip h3 {
  margin: 0 0 8px;
}

.device-copy {
  margin: 0;
}

.device-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.login-panel {
  margin: min(9vh, 90px) auto 0;
  width: 100%;
  max-width: 560px;
}

.login-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.login-actions .primary-button {
  flex: 1 1 200px;
}

.remember-choice {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 2px;
  color: var(--ink);
}

.remember-choice input {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--accent);
  flex: 0 0 auto;
}

.remember-choice span {
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
  color: var(--ink);
}

.stack-form {
  display: grid;
  gap: 16px;
}

.stack-form label,
.message-meta div {
  display: grid;
  gap: 8px;
}

.stack-form span,
.message-meta dt {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #d4e6ff;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid rgba(158, 180, 206, 0.18);
  border-radius: 16px;
  background: rgba(8, 17, 29, 0.86);
  padding: 14px 16px;
  color: var(--ink);
  outline: none;
  transition: border-color 150ms ease, transform 150ms ease, box-shadow 150ms ease;
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(82, 199, 184, 0.6);
  box-shadow: 0 0 0 4px rgba(82, 199, 184, 0.14);
  transform: translateY(-1px);
}

textarea {
  resize: vertical;
}

.primary-button,
.ghost-button,
.nav-link,
.danger-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  padding: 12px 18px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, border-color 160ms ease;
}

.primary-button {
  background: linear-gradient(135deg, var(--accent), #7df2e1);
  color: #041218;
  box-shadow: 0 18px 34px rgba(82, 199, 184, 0.22);
}

.ghost-button,
.nav-link {
  background: rgba(158, 180, 206, 0.08);
  color: var(--ink);
  border-color: rgba(158, 180, 206, 0.12);
}

.danger-button {
  background: var(--danger-soft);
  color: #ffd6d6;
  border-color: rgba(255, 109, 109, 0.2);
}

.primary-button:hover,
.ghost-button:hover,
.danger-button:hover,
.nav-link:hover,
.folder-link:hover,
.message-row:hover {
  transform: translateY(-1px);
}

.inline-form {
  margin: 0;
}

.flash {
  margin-bottom: 18px;
  padding: 14px 18px;
  border-radius: 18px;
  border: 1px solid transparent;
  font-weight: 600;
}

.flash-success {
  background: var(--success-soft);
  border-color: rgba(101, 214, 154, 0.2);
  color: var(--success);
}

.flash-error {
  background: var(--danger-soft);
  border-color: rgba(255, 109, 109, 0.18);
  color: var(--danger);
}

.workspace {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 24px;
}

.mailbox-panel {
  min-width: 0;
}

.sidebar {
  display: grid;
  align-content: start;
  gap: 12px;
}

.full-width {
  width: 100%;
}

.folder-list {
  display: grid;
  gap: 8px;
  margin-top: 8px;
}

.folder-link {
  padding: 12px 14px;
  border-radius: 16px;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
  background: rgba(8, 17, 29, 0.34);
  border: 1px solid transparent;
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.folder-link.active {
  background: var(--accent-soft);
  color: var(--ink);
  font-weight: 700;
  border-color: rgba(82, 199, 184, 0.22);
}

.panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.panel-header.tight {
  margin-bottom: 22px;
}

.panel-header h2,
.compose-shell h2,
.settings-shell h2,
.admin-shell h2 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.5rem);
}

.message-list,
.data-grid {
  display: grid;
  gap: 10px;
}

.message-row,
.data-row {
  border: 1px solid rgba(158, 180, 206, 0.12);
  border-radius: 18px;
  background: rgba(8, 17, 29, 0.46);
}

.message-row {
  display: grid;
  grid-template-columns: minmax(200px, 0.7fr) minmax(0, 1.5fr) 160px;
  gap: 16px;
  align-items: center;
  padding: 14px 16px;
}

.message-row.unseen {
  background: rgba(19, 36, 53, 0.78);
}

.message-from,
.message-subject {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.message-subject,
.message-row.unseen .message-from,
.data-row strong,
.account-card strong {
  font-weight: 700;
  color: var(--ink);
}

.message-date {
  text-align: right;
  font-size: 0.92rem;
}

.message-meta {
  display: grid;
  gap: 12px;
  margin: 0 0 22px;
  padding: 18px;
  border-radius: 20px;
  background: rgba(8, 17, 29, 0.52);
}

.message-meta dd {
  margin: 0;
  color: var(--ink);
}

.message-content {
  padding: 22px;
  border-radius: 20px;
  background: rgba(8, 17, 29, 0.62);
  overflow-wrap: anywhere;
  line-height: 1.65;
}

.message-content img {
  max-width: 100%;
  height: auto;
}

.attachment-list {
  margin-top: 22px;
}

.attachment-list h3,
.inner-panel h3 {
  margin-top: 0;
  margin-bottom: 12px;
}

.attachment-pill {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(158, 180, 206, 0.08);
  margin-right: 8px;
  margin-bottom: 8px;
}

.compose-form {
  max-width: 880px;
}

.empty-state {
  padding: 30px 18px;
  text-align: center;
  border: 1px dashed rgba(158, 180, 206, 0.18);
  border-radius: 18px;
}

.action-bar,
.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.admin-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.8fr) minmax(0, 1.2fr);
  gap: 20px;
}

.data-row {
  padding: 16px 18px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}

.account-card {
  padding: 16px;
  border-radius: 18px;
  background: rgba(8, 17, 29, 0.52);
  border: 1px solid rgba(158, 180, 206, 0.12);
}

.settings-shell,
.admin-shell {
  display: grid;
  gap: 18px;
}

.announcement-list {
  display: grid;
  gap: 12px;
  margin-bottom: 20px;
}

.announcement-card {
  padding: 18px 20px;
}

.announcement-card h3 {
  margin: 0 0 8px;
}

.announcement-card p,
.announcement-card small {
  color: var(--muted);
}

.input-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.log-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.log-list {
  display: grid;
  gap: 10px;
  max-height: 540px;
  overflow: auto;
  padding-right: 4px;
}

.log-entry {
  display: grid;
  grid-template-columns: 180px minmax(180px, 240px) minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(8, 17, 29, 0.72);
  border: 1px solid rgba(158, 180, 206, 0.12);
}

.log-stamp,
.log-service,
.log-message {
  min-width: 0;
}

.log-stamp {
  display: grid;
  gap: 4px;
}

.log-stamp span {
  color: var(--muted);
  font-size: 0.88rem;
}

.log-service {
  font-weight: 700;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.log-message {
  color: #d9e8ff;
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.92rem;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

@media (max-width: 1024px) {
  .login-shell,
  .workspace,
  .admin-grid {
    grid-template-columns: 1fr;
  }

  .device-strip {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

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

@media (max-width: 760px) {
  .page-shell {
    padding: calc(20px + env(safe-area-inset-top)) max(14px, env(safe-area-inset-right)) calc(34px + env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left));
  }

  .login-panel {
    margin-top: 8px;
  }

  .site-header,
  .panel-header,
  .data-row {
    flex-direction: column;
    align-items: stretch;
  }

  .nav-meta {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .message-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .log-entry {
    grid-template-columns: 1fr;
  }

  .message-from,
  .message-subject {
    white-space: normal;
  }

  .workspace {
    gap: 16px;
  }

  .sidebar {
    order: 2;
    padding: 20px;
  }

  .mailbox-panel,
  .compose-shell,
  .settings-shell,
  .admin-shell,
  .device-strip,
  .form-panel,
  .login-panel {
    padding: 20px;
  }

  .mailbox-panel {
    order: 1;
  }

  .device-actions,
  .row-actions,
  .action-bar {
    width: 100%;
  }

  .device-actions .primary-button,
  .device-actions .ghost-button,
  .row-actions .ghost-button,
  .row-actions .danger-button,
  .action-bar .ghost-button,
  .action-bar .danger-button,
  .action-bar .nav-link {
    width: 100%;
  }

  input,
  select,
  textarea {
    font-size: 16px;
  }

  .message-date {
    text-align: left;
  }
}