:root {
  color-scheme: light;
  --bg: #f4f5f7;
  --panel: #ffffff;
  --border: #dfe3e9;
  --text: #1f2430;
  --muted: #5f6b7a;
  --accent: #c8643f;
  --accent-hover: #ad5232;
  --danger: #c62f2f;
  --ok: #23804f;
  --warn: #a87808;
  --hover: rgba(200,100,63,0.08);
}
* { box-sizing: border-box; }
html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
body { display: flex; flex-direction: column; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.topbar h1 { font-size: 1.15rem; margin: 0; }

.layout {
  display: grid;
  grid-template-columns: 260px 380px 1fr;
  flex: 1;
  min-height: 0;
}
.col { border-right: 1px solid var(--border); overflow-y: auto; }
.col-reader { border-right: none; }
.col-mailboxes { padding: 12px; }
.col-messages { display: flex; flex-direction: column; }
.col-reader { padding: 20px; }

button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 0.88rem;
  cursor: pointer;
  font-weight: 600;
}
button:hover { background: var(--accent-hover); }
button.secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  font-weight: 500;
}
button.secondary:hover { border-color: var(--accent); background: var(--hover); }
button.danger { background: transparent; border: 1px solid var(--danger); color: var(--danger); font-weight: 500; }
button.danger:hover { background: rgba(224,90,90,0.1); }
button.tiny { padding: 4px 9px; font-size: 0.78rem; border-radius: 6px; }
button:disabled { opacity: 0.5; cursor: default; }

label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 4px; }
input, select {
  width: 100%;
  background: #ffffff;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 9px 10px;
  font-size: 0.92rem;
  margin-bottom: 14px;
}
input:focus, select:focus { outline: none; border-color: var(--accent); }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.row3 { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 0 16px; }

.warning {
  background: rgba(224,182,74,0.1);
  border: 1px solid var(--warn);
  color: var(--warn);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.85rem;
  margin-bottom: 14px;
  display: none;
}
.msg { border-radius: 8px; padding: 10px 12px; font-size: 0.85rem; margin: 8px 12px; display: none; }
.msg.error { background: rgba(224,90,90,0.1); border: 1px solid var(--danger); color: var(--danger); }
.msg.ok { background: rgba(76,175,125,0.1); border: 1px solid var(--ok); color: var(--ok); }
.msg.spinner { color: var(--muted); background: none; border: none; }
.empty { color: var(--muted); font-size: 0.88rem; padding: 16px 12px; }

/* Mailbox / folder tree */
.mailbox-block { margin-bottom: 6px; }
.mailbox-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 7px 8px; border-radius: 8px; cursor: pointer; font-size: 0.9rem; font-weight: 600;
}
.mailbox-row:hover { background: var(--hover); }
.mailbox-row .chev { color: var(--muted); font-size: 0.75rem; margin-right: 6px; }
.mailbox-actions { display: none; gap: 4px; }
.mailbox-row:hover .mailbox-actions { display: flex; }
.archive-cfg-row {
  padding: 8px; margin: 2px 0 6px; background: rgba(0,0,0,0.025);
  border: 1px solid var(--border); border-radius: 8px;
}
.archive-cfg-row label { font-size: 0.75rem; }
.archive-cfg-row input { margin-bottom: 8px; font-size: 0.82rem; }
.folder-list { display: none; }
.folder-list.open { display: block; }
.folder-node {
  display: flex; align-items: center; gap: 5px;
  padding: 5px 8px 5px 0; border-radius: 6px; cursor: pointer; font-size: 0.85rem; color: var(--muted);
  white-space: nowrap; overflow: hidden;
}
.folder-node:hover { background: var(--hover); color: var(--text); }
.folder-node.active { background: var(--hover); color: var(--accent); font-weight: 600; }
.folder-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 14px; flex-shrink: 0; font-size: 0.7rem; color: var(--muted); cursor: pointer;
}
.folder-icon { flex-shrink: 0; font-size: 0.85rem; }
.folder-label { overflow: hidden; text-overflow: ellipsis; }

/* Message list */
.messages-header { display: flex; gap: 6px; padding: 12px; border-bottom: 1px solid var(--border); }
.messages-header input { margin-bottom: 0; }
#message-list { flex: 1; overflow-y: auto; }
.message-row {
  padding: 10px 14px 10px 40px; border-bottom: 1px solid var(--border); cursor: pointer; position: relative;
}
.message-row:hover { background: var(--hover); }
.message-row.active { background: var(--hover); }
.message-row.selected { background: rgba(217,119,87,0.14); }
.message-row.unread .m-subject { font-weight: 700; }
.message-row.unread .m-from { font-weight: 700; }
.m-checkbox {
  position: absolute; left: 12px; top: 12px; width: 16px; height: 16px; cursor: pointer;
}
.m-top { display: flex; justify-content: space-between; font-size: 0.78rem; color: var(--muted); margin-bottom: 2px; }
.m-from { font-size: 0.88rem; }
.m-subject { font-size: 0.85rem; color: var(--muted); margin-top: 2px; }

.bulk-bar {
  display: flex; align-items: center; gap: 10px; padding: 8px 12px;
  border-bottom: 1px solid var(--border); background: rgba(217,119,87,0.06); font-size: 0.85rem;
}
.bulk-bar select { width: auto; margin-bottom: 0; min-width: 160px; }
.bulk-selectall { display: flex; align-items: center; gap: 5px; color: var(--muted); cursor: pointer; }
#bulk-count { color: var(--muted); flex-shrink: 0; }
.pager { display: flex; align-items: center; justify-content: space-between; padding: 10px 14px; border-top: 1px solid var(--border); font-size: 0.82rem; color: var(--muted); }

/* Reader */
.reader-head { border-bottom: 1px solid var(--border); padding-bottom: 14px; margin-bottom: 14px; }
.reader-subject { font-size: 1.2rem; font-weight: 700; margin: 0 0 8px; }
.reader-meta { font-size: 0.85rem; color: var(--muted); line-height: 1.6; }
.reader-actions { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; align-items: center; }
.reader-actions select { width: auto; margin-bottom: 0; min-width: 200px; }
iframe.reader-body {
  width: 100%; min-height: 320px; border: none; background: #fff; border-radius: 8px;
}
.reader-text {
  white-space: pre-wrap; font-size: 0.92rem; line-height: 1.5; background: var(--panel);
  border: 1px solid var(--border); border-radius: 8px; padding: 14px;
}
.attachments { margin-top: 18px; }
.attachments h3 { font-size: 0.85rem; color: var(--muted); text-transform: uppercase; margin: 0 0 8px; }
.att-row { display: flex; justify-content: space-between; align-items: center; padding: 6px 0; font-size: 0.88rem; border-bottom: 1px solid var(--border); }
.att-row a { color: var(--accent); font-size: 0.85rem; text-decoration: none; }
.att-row a:hover { text-decoration: underline; }

/* Add mailbox overlay */
.overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.55);
  display: flex; align-items: center; justify-content: center; z-index: 50; padding: 20px;
}
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 16px;
  padding: 24px; width: 100%; max-width: 560px; max-height: 90vh; overflow-y: auto;
}
.card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.card-head h2 { font-size: 1.1rem; margin: 0; }

.google-btn, .ms-btn {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%; background: #fff; color: #1f1f1f; border-radius: 8px; padding: 11px 16px;
  font-weight: 600; font-size: 0.92rem; border: 1px solid var(--border); margin-bottom: 14px;
}
.google-btn:hover, .ms-btn:hover { background: #f2f2f2; }

/* Helles Design (wie fcd.kslife.at) */
.overlay { background: rgba(31,36,48,0.35) !important; }
.card, .folder-box, .col { box-shadow: 0 1px 3px rgba(31,36,48,0.06); }
.topbar { background: #ffffff; border-bottom: 1px solid var(--border); }