:root {
  --ink: #14201c;
  --ink-soft: #3a4a44;
  --paper: #f3f0e8;
  --paper-2: #e8efe9;
  --line: rgba(20, 32, 28, 0.12);
  --accent: #0f6b5c;
  --accent-deep: #0a4a3f;
  --warn: #8a3b22;
  --glow: rgba(15, 107, 92, 0.18);
  --shadow: 0 24px 60px rgba(20, 32, 28, 0.12);
  --font-display: "Literata", Georgia, serif;
  --font-body: "Manrope", sans-serif;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
strong { font-weight: 700; }

.brand {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1;
}

/* —— Login (stealth white-on-white) —— */
.page-login,
.page-login-stealth {
  min-height: 100%;
  background: #fff;
  color: #fff;
}

.login-shell {
  min-height: 100%;
  display: grid;
  place-items: center;
  padding: 2rem;
  position: relative;
  background: #fff;
}

.login-panel {
  position: relative;
  width: min(360px, 100%);
}

.login-form {
  display: grid;
  gap: 0.9rem;
}

.login-form label {
  display: grid;
}

.page-login .login-form input,
.page-login-stealth .login-form input {
  width: 100%;
  border: 1px solid #fff;
  background: #fff;
  color: #fff;
  caret-color: #fff;
  padding: 0.85rem 0.95rem;
  border-radius: 10px;
  outline: none;
  box-shadow: none;
}

.page-login .login-form input:focus,
.page-login-stealth .login-form input:focus {
  border-color: #fff;
  box-shadow: none;
}

.page-login .login-form input::placeholder,
.page-login-stealth .login-form input::placeholder {
  color: #fff;
}

.page-login .login-form button,
.page-login-stealth .login-form button,
.page-login .passkey-btn,
.page-login-stealth .passkey-btn {
  width: 100%;
  border: 0;
  background: #fff;
  color: #fff;
  font-weight: 700;
  height: 2.85rem;
  border-radius: 10px;
  cursor: pointer;
  margin: 0;
  box-shadow: none;
}

.page-login .login-form button:hover,
.page-login-stealth .login-form button:hover,
.page-login .passkey-btn:hover,
.page-login-stealth .passkey-btn:hover,
.page-login .login-form button:active,
.page-login-stealth .login-form button:active {
  background: #fff;
  color: #fff;
  transform: none;
}

.page-login .login-form button::after,
.page-login-stealth .login-form button::after {
  display: none;
}

.page-login .form-error,
.page-login-stealth .form-error {
  margin: 0 0 0.75rem;
  padding: 0.7rem 0.85rem;
  background: #fff;
  color: #fff;
  border: 0;
  border-radius: 8px;
  font-size: 0.92rem;
}

.page-login .brand,
.page-login-stealth .brand,
.page-login .login-hint,
.page-login-stealth .login-hint,
.page-login .login-brand,
.page-login-stealth .login-brand {
  color: #fff;
}

.search-form button {
  border: 0;
  background: var(--accent);
  color: #f7fffc;
  font-weight: 700;
  padding: 0.9rem 1.1rem;
  border-radius: 10px;
  cursor: pointer;
  transition: background 160ms ease, transform 160ms ease;
}

.search-form button:hover {
  background: var(--accent-deep);
}

.form-error {
  margin: 0;
  padding: 0.7rem 0.85rem;
  background: rgba(138, 59, 34, 0.1);
  color: var(--warn);
  border-radius: 8px;
  font-size: 0.92rem;
}

/* —— Inbox app —— */
.page-inbox {
  background:
    linear-gradient(180deg, #e9f0eb 0%, var(--paper) 180px);
}

.app-shell {
  height: 100vh;
  display: grid;
  grid-template-columns: 240px minmax(320px, 1fr) minmax(360px, 1.2fr);
  gap: 0;
}

.sidebar {
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.45);
  padding: 1.4rem 1rem 1rem;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.sidebar .brand { font-size: 1.7rem; }
.sidebar-meta {
  margin: 0.45rem 0 0.85rem;
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.page-nav {
  display: flex;
  gap: 0.35rem;
  margin: 0 0 0.85rem;
  flex-wrap: wrap;
}
.page-nav-link {
  flex: 1;
  text-align: center;
  padding: 0.45rem 0.5rem;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-soft);
  border: 1px solid var(--line);
}
.page-nav-link:hover { background: rgba(15, 107, 92, 0.08); color: var(--ink); }
.page-nav-link.is-active {
  background: rgba(15, 107, 92, 0.14);
  color: var(--accent-deep);
  border-color: transparent;
}

.page-heading {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.sync-form button {
  width: 100%;
  border: 0;
  background: var(--accent);
  color: #f7fffc;
  font-weight: 700;
  border-radius: 8px;
  padding: 0.65rem 0.75rem;
  cursor: pointer;
}
.sync-form button:hover { background: var(--accent-deep); }
.sync-form button:disabled { opacity: 0.6; cursor: wait; }

.sync-msg {
  margin: 0.55rem 0 0;
  font-size: 0.82rem;
  color: var(--accent-deep);
}

.folder-nav {
  display: grid;
  gap: 0.25rem;
  overflow: auto;
  flex: 1;
  padding-right: 0.2rem;
  min-height: 0;
}

.account-nav {
  display: grid;
  gap: 0.25rem;
  margin: 0 0 0.85rem;
  max-height: 34%;
  overflow: auto;
  padding-right: 0.2rem;
}

.nav-section-label {
  margin: 0.35rem 0 0.2rem;
  padding: 0 0.35rem;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 700;
}

.account-nav-email {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.account-current {
  margin: -0.35rem 0 0.75rem;
  color: var(--ink-soft);
  font-size: 0.85rem;
  overflow-wrap: anywhere;
}

.folder-link {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.55rem 0.65rem;
  border-radius: 8px;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.folder-link:hover { background: rgba(15, 107, 92, 0.08); color: var(--ink); }
.folder-link.is-active {
  background: rgba(15, 107, 92, 0.14);
  color: var(--accent-deep);
  font-weight: 600;
}
.folder-link .count { opacity: 0.7; font-variant-numeric: tabular-nums; }

.logout-form { margin-top: 1rem; }
.logout-form button {
  width: 100%;
  border: 1px solid var(--line);
  background: transparent;
  border-radius: 8px;
  padding: 0.65rem;
  cursor: pointer;
  color: var(--ink-soft);
}
.logout-form button:hover { background: rgba(20, 32, 28, 0.04); }

.list-pane {
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: rgba(255, 255, 255, 0.35);
}

.list-header {
  padding: 1rem 1rem 0.75rem;
  border-bottom: 1px solid var(--line);
}

.search-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem;
}

.search-form input {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.8);
  border-radius: 8px;
  padding: 0.7rem 0.8rem;
  outline: none;
}
.search-form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--glow);
}
.search-form button { padding: 0.7rem 0.95rem; }

.list-status {
  margin: 0.7rem 0 0;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.mail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  overflow: auto;
  flex: 1;
}

.mail-row {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "from date"
    "subject subject"
    "snippet snippet"
    "folder folder";
  gap: 0.15rem 0.75rem;
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--line);
  transition: background 140ms ease;
}
.mail-row:hover { background: rgba(15, 107, 92, 0.06); }
.mail-row.is-selected { background: rgba(15, 107, 92, 0.12); }
.mail-row.is-unread .mail-subject,
.mail-row.is-unread .mail-from { font-weight: 700; }

.mail-from { grid-area: from; font-size: 0.92rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mail-date { grid-area: date; font-size: 0.78rem; color: var(--ink-soft); white-space: nowrap; }
.mail-subject { grid-area: subject; font-size: 0.95rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mail-snippet { grid-area: snippet; font-size: 0.82rem; color: var(--ink-soft); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mail-folder { grid-area: folder; font-size: 0.72rem; color: var(--accent-deep); opacity: 0.8; text-transform: uppercase; letter-spacing: 0.04em; }

.attach {
  display: inline-block;
  width: 0.45rem;
  height: 0.45rem;
  margin-left: 0.35rem;
  border-radius: 50%;
  background: var(--accent);
  vertical-align: middle;
}

.pager {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--line);
  font-size: 0.88rem;
  color: var(--ink-soft);
}
.pager a { color: var(--accent-deep); font-weight: 600; }

.empty-state,
.detail-placeholder {
  margin: auto;
  text-align: center;
  padding: 2rem;
  color: var(--ink-soft);
}
.empty-state h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  color: var(--ink);
  font-weight: 500;
}

.detail-pane {
  min-height: 0;
  overflow: auto;
  background:
    radial-gradient(700px 280px at 100% 0%, rgba(215, 235, 228, 0.7), transparent 60%),
    rgba(255, 255, 255, 0.5);
}
.detail-pane.is-empty {
  display: grid;
  place-items: center;
}

.mail-detail { padding: 1.4rem 1.5rem 2rem; animation: rise 420ms ease both; }
.mail-detail h1 {
  margin: 0.35rem 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.25;
}
.detail-folder {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-deep);
  font-weight: 600;
}
.meta {
  margin: 0;
  display: grid;
  gap: 0.35rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}
.meta div { display: grid; grid-template-columns: 70px 1fr; gap: 0.5rem; font-size: 0.9rem; }
.meta dt { margin: 0; color: var(--ink-soft); }
.meta dd { margin: 0; overflow-wrap: anywhere; }

.detail-body { padding-top: 1rem; }
.text-body {
  margin: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-family: var(--font-body);
  line-height: 1.55;
  font-size: 0.95rem;
}
.html-frame {
  width: 100%;
  min-height: 60vh;
  border: 0;
  background: white;
  border-radius: 8px;
}

@media (max-width: 980px) {
  .app-shell {
    height: auto;
    min-height: 100vh;
    grid-template-columns: 1fr;
  }
  .sidebar { border-right: 0; border-bottom: 1px solid var(--line); }
  .folder-nav { max-height: 180px; }
  .list-pane { border-right: 0; min-height: 50vh; }
  .detail-pane { min-height: 50vh; }
  .accounts-shell { grid-template-columns: 1fr; }
}

/* —— Accounts —— */
.accounts-shell {
  grid-template-columns: 240px 1fr;
}
.accounts-main {
  overflow: auto;
  padding: 0 0 2rem;
  background: rgba(255, 255, 255, 0.35);
}
.accounts-msg {
  margin: 0.75rem 1rem 0;
  padding: 0.7rem 0.85rem;
  border-radius: 8px;
  background: rgba(15, 107, 92, 0.12);
  color: var(--accent-deep);
  font-size: 0.92rem;
}
.accounts-msg.is-err {
  background: rgba(138, 59, 34, 0.1);
  color: var(--warn);
}
.accounts-form-wrap,
.accounts-list-wrap {
  padding: 1rem 1.25rem;
}
.accounts-subhead {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
}
.accounts-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  max-width: 720px;
}
.accounts-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--ink-soft);
}
.accounts-form input {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.85);
  border-radius: 8px;
  padding: 0.7rem 0.8rem;
  outline: none;
  color: var(--ink);
}
.accounts-form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--glow);
}
.accounts-form button {
  grid-column: 1 / -1;
  justify-self: start;
  border: 0;
  background: var(--accent);
  color: #f7fffc;
  font-weight: 700;
  border-radius: 8px;
  padding: 0.75rem 1.1rem;
  cursor: pointer;
}
.accounts-form button:hover { background: var(--accent-deep); }
.accounts-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 820px;
  display: grid;
  gap: 0.55rem;
}
.account-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.65);
}
.account-row.is-inactive { opacity: 0.65; }
.account-info {
  display: grid;
  gap: 0.2rem;
  min-width: 0;
}
.account-info strong {
  overflow-wrap: anywhere;
}
.account-label {
  display: inline-block;
  width: fit-content;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-deep);
  background: rgba(15, 107, 92, 0.12);
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
}
.account-meta {
  font-size: 0.8rem;
  color: var(--ink-soft);
}
.account-actions {
  display: flex;
  gap: 0.4rem;
  flex-shrink: 0;
}
.account-actions button {
  border: 1px solid var(--line);
  background: transparent;
  border-radius: 8px;
  padding: 0.45rem 0.7rem;
  cursor: pointer;
  color: var(--ink-soft);
  font-size: 0.82rem;
}
.account-actions button:hover { background: rgba(20, 32, 28, 0.04); }
.account-actions button.danger { color: var(--warn); }

@media (max-width: 720px) {
  .accounts-form { grid-template-columns: 1fr; }
  .account-row { flex-direction: column; align-items: stretch; }
}