/* MailPilot — helles, editoriales Interface. Keine externen Ressourcen. */

:root {
  --paper: #faf8f4;
  --surface: #ffffff;
  --ink: #1c1a17;
  --ink-soft: #6f6a61;
  --line: #e4dfd5;
  --accent: #b4530a;        /* Signalfarbe: ungelesen, primäre Aktion */
  --accent-ink: #ffffff;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: system-ui, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", Consolas, monospace;
  --radius: 6px;
}

* { box-sizing: border-box; margin: 0; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 0.9375rem;
  line-height: 1.5;
  min-height: 100vh;
}

/* Kopfzeile */
.site-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem clamp(1rem, 4vw, 2.5rem);
  border-bottom: 1px solid var(--line);
}

.wordmark {
  font-family: var(--serif);
  font-size: 1.45rem;
  letter-spacing: -0.01em;
}
.wordmark em { font-style: italic; color: var(--accent); }

.header-account { display: flex; align-items: center; gap: 0.9rem; }
.account-address { color: var(--ink-soft); font-size: 0.85rem; }

/* Formulare & Buttons */
button {
  font: inherit;
  border: none;
  border-radius: var(--radius);
  padding: 0.55rem 1.3rem;
  background: var(--accent);
  color: var(--accent-ink);
  cursor: pointer;
}
button:hover { background: #963f00; }
button:focus-visible,
input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

button.ghost {
  background: transparent;
  color: var(--ink-soft);
  border: 1px solid var(--line);
  padding: 0.3rem 0.8rem;
  font-size: 0.85rem;
}
button.ghost:hover { color: var(--ink); border-color: var(--ink-soft); }

/* Login */
.login-page main {
  display: grid;
  place-items: start center;
  padding: clamp(2rem, 10vh, 6rem) 1rem 3rem;
}

.login-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 14px 40px -18px rgba(58, 42, 20, 0.28);
  padding: 2.2rem 2.4rem 2.4rem;
  width: min(26rem, 100%);
}

.login-card h1 {
  font-family: var(--serif);
  font-size: 1.9rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
}

.login-lede { color: var(--ink-soft); font-size: 0.85rem; margin-bottom: 1.6rem; }

.login-card label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin: 1.05rem 0 0.3rem;
}

.login-card input {
  width: 100%;
  font: inherit;
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.login-card .hint { color: var(--ink-soft); font-size: 0.75rem; margin-top: 0.25rem; }
.mono { font-family: var(--mono); font-size: 0.9em; }

.login-card button { width: 100%; margin-top: 1.6rem; padding: 0.7rem; }

.alert {
  background: #fbeae1;
  border: 1px solid #eac6ab;
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  color: #7c3a06;
  font-size: 0.85rem;
  padding: 0.7rem 0.9rem;
  margin-bottom: 0.4rem;
}

/* Postfach */
.mailbox-layout {
  display: grid;
  grid-template-columns: minmax(15rem, 19rem) 1fr;
  min-height: calc(100vh - 4rem);
}
@media (max-width: 52rem) {
  .mailbox-layout { grid-template-columns: 1fr; }
}

.folder-pane {
  border-right: 1px solid var(--line);
  padding: 1.4rem 1.1rem 2rem clamp(1rem, 4vw, 2.5rem);
  overflow-y: auto;
  max-height: calc(100vh - 4rem);
}

.folder-pane h2,
.mail-pane h1 { font-family: var(--serif); font-weight: 500; }
.folder-pane h2 { font-size: 1.05rem; color: var(--ink-soft); margin-bottom: 0.7rem; }

.folder-tree { list-style: none; padding: 0; font-size: 0.85rem; }
.folder-tree li {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.16rem 0.3rem;
  border-radius: 4px;
}
.folder-tree li:hover { background: rgba(180, 83, 10, 0.07); }
.folder-count { color: var(--ink-soft); font-size: 0.75rem; }

.depth-1 { padding-left: 0.9rem !important; }
.depth-2 { padding-left: 1.8rem !important; }
.depth-3 { padding-left: 2.7rem !important; }
.depth-4 { padding-left: 3.6rem !important; }
.depth-5 { padding-left: 4.5rem !important; }
.depth-6 { padding-left: 5.4rem !important; }
.depth-7 { padding-left: 6.3rem !important; }
.depth-8 { padding-left: 7.2rem !important; }

.mail-pane { padding: 1.4rem clamp(1rem, 4vw, 2.5rem) 2rem 1.6rem; }

.mail-pane-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}
.mail-pane h1 { font-size: 1.6rem; }
.mail-stats { color: var(--ink-soft); font-size: 0.82rem; }
.mail-stats strong { color: var(--accent); }

.mail-list { list-style: none; padding: 0; }
.mail-list li {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.6rem 0.4rem;
  border-bottom: 1px solid var(--line);
}
.mail-list li:first-child { border-top: 1px solid var(--line); }

.mail-dot {
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: transparent;
}
.unread .mail-dot { background: var(--accent); }

.mail-text { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.mail-sender { font-size: 0.78rem; color: var(--ink-soft); }
.unread .mail-sender { color: var(--ink); font-weight: 600; }
.mail-subject { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.unread .mail-subject { font-weight: 600; }

.mail-date { flex: none; color: var(--ink-soft); font-size: 0.78rem; }