:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --sidebar: #1e1f21;
  --sidebar-text: #e8e8ea;
  --sidebar-muted: #9a9ca3;
  --sidebar-hover: #2e2f33;
  --text: #1e1f21;
  --muted: #6d6e75;
  --border: #e3e4e8;
  --border-strong: #cfd1d6;
  --accent: #f06a6a;
  --accent-ink: #ffffff;
  --accent-soft: #fdecec;
  --focus: #4a90e2;
  --danger: #d64545;
  --ok: #3aa76d;
  --warn: #c98a12;
  --col: #eef0f3;
  --card-shadow: 0 1px 2px rgba(20, 22, 30, .08);
  --radius: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #18191b;
    --panel: #222326;
    --sidebar: #111214;
    --sidebar-hover: #24262a;
    --text: #ececee;
    --muted: #a0a2a9;
    --border: #33353a;
    --border-strong: #45474d;
    --accent-soft: #3a2426;
    --col: #1d1e21;
    --card-shadow: 0 1px 2px rgba(0, 0, 0, .4);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.spacer { flex: 1; }

/* ---------- buttons & inputs ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px; border-radius: 8px;
  border: 1px solid var(--border-strong); background: var(--panel);
  cursor: pointer; white-space: nowrap; text-decoration: none; font-weight: 500;
}
.btn:hover { background: var(--bg); }
.btn:disabled { opacity: .6; cursor: default; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: #e25757; }
.btn-block { width: 100%; justify-content: center; padding: 10px; }
.btn-done { background: #e6f5ec; border-color: var(--ok); color: #1f7a4a; }
.btn-danger-ghost { color: var(--danger); border-color: transparent; background: transparent; }
.btn-danger-ghost:hover { background: rgba(214, 69, 69, .08); }
.icon-btn {
  display: inline-grid; place-items: center; width: 30px; height: 30px;
  border: 0; border-radius: 7px; background: transparent; cursor: pointer; font-size: 16px;
}
.icon-btn:hover { background: rgba(127, 127, 127, .15); }
.link-btn { border: 0; background: none; color: var(--muted); cursor: pointer; padding: 0; text-decoration: underline; }
input, select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--border-strong);
  border-radius: 8px; background: var(--panel);
}
textarea { resize: vertical; }
select { cursor: pointer; }
.check-inline { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); cursor: pointer; }
.check-inline input { width: auto; }

/* ---------- auth pages ---------- */
.auth-body { display: grid; place-items: center; padding: 24px 16px; min-height: 100%; }
.auth-card {
  width: 100%; max-width: 420px; background: var(--panel); border: 1px solid var(--border);
  border-radius: 14px; padding: 28px; box-shadow: 0 8px 30px rgba(20, 22, 30, .06);
}
.auth-card h1 { font-size: 22px; margin: 18px 0 6px; }
.form { display: grid; gap: 14px; margin-top: 16px; }
.form label, .modal label, .label-like { display: grid; gap: 6px; font-weight: 500; font-size: 13px; }
.form fieldset { border: 1px solid var(--border); border-radius: 10px; padding: 14px; display: grid; gap: 12px; margin: 0; }
.form legend { padding: 0 6px; font-weight: 600; }
.seg { display: flex; gap: 14px; flex-wrap: wrap; }
.seg label { display: flex; align-items: center; gap: 6px; font-weight: 400; }
.seg input { width: auto; }
.mysql-fields { display: grid; gap: 12px; }
.alert { background: var(--accent-soft); color: var(--danger); border-radius: 8px; padding: 10px 12px; margin-top: 12px; }

/* ---------- brand ---------- */
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 16px; letter-spacing: -.01em; }
.brand-lg { font-size: 20px; }
.brand-mark {
  width: 22px; height: 22px; border-radius: 50%; flex: none;
  background: radial-gradient(circle at 50% 28%, var(--accent) 0 26%, transparent 27%),
              radial-gradient(circle at 24% 70%, var(--accent) 0 26%, transparent 27%),
              radial-gradient(circle at 76% 70%, var(--accent) 0 26%, transparent 27%);
}

/* ---------- app layout ---------- */
.app { display: flex; height: 100vh; height: 100dvh; overflow: hidden; }
.sidebar {
  width: 240px; flex: none; background: var(--sidebar); color: var(--sidebar-text);
  display: flex; flex-direction: column; padding: 16px 10px; gap: 6px; overflow-y: auto;
}
.sidebar .brand { padding: 4px 10px 14px; }
.nav { display: grid; gap: 2px; }
.nav a {
  display: flex; align-items: center; gap: 10px; padding: 7px 10px; border-radius: 7px;
  text-decoration: none; color: var(--sidebar-text); min-width: 0;
}
.nav a:hover { background: var(--sidebar-hover); }
.nav a.active { background: #3a3c41; }
.nav .ico { width: 16px; text-align: center; color: var(--sidebar-muted); }
.nav .dot { width: 10px; height: 10px; border-radius: 3px; flex: none; }
.nav-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.nav .count { margin-left: auto; color: var(--sidebar-muted); font-size: 12px; }
.nav-empty { color: var(--sidebar-muted); font-size: 13px; padding: 4px 10px; margin: 0; }
.nav-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 4px 4px 10px; color: var(--sidebar-muted); font-size: 12px; font-weight: 600;
  text-transform: uppercase; letter-spacing: .04em;
}
.nav-head .icon-btn { color: var(--sidebar-text); }
.sidebar-foot { margin-top: auto; padding-top: 12px; border-top: 1px solid #2c2d31; display: grid; gap: 8px; }
.sidebar-foot .link-btn { color: var(--sidebar-muted); padding-left: 10px; font-size: 13px; }
.me-chip {
  display: flex; align-items: center; gap: 8px; border: 0; background: none; color: var(--sidebar-text);
  padding: 6px 10px; border-radius: 7px; cursor: pointer; text-align: left; min-width: 0;
}
.me-chip:hover { background: var(--sidebar-hover); }

.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
  display: flex; align-items: center; gap: 12px; padding: 12px 20px;
  border-bottom: 1px solid var(--border); background: var(--panel); min-height: 60px; flex-wrap: wrap;
}
.title-wrap { display: flex; align-items: center; gap: 10px; min-width: 0; flex: 1; }
.title-dot { width: 14px; height: 14px; border-radius: 4px; flex: none; }
.topbar h1 { font-size: 19px; margin: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.menu-btn { display: none; }
.content { flex: 1; overflow: auto; padding: 20px; }

.seg-toggle { display: inline-flex; border: 1px solid var(--border-strong); border-radius: 8px; overflow: hidden; }
.seg-toggle button { border: 0; background: var(--panel); padding: 6px 12px; cursor: pointer; color: var(--muted); }
.seg-toggle button.on { background: var(--bg); color: var(--text); font-weight: 600; }

/* ---------- avatars & chips ---------- */
.avatar {
  display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%;
  color: #fff; font-size: 12px; font-weight: 600; flex: none; letter-spacing: .02em;
}
.avatar.sm { width: 24px; height: 24px; font-size: 10px; }
.avatar-empty { background: transparent; border: 1.5px dashed var(--border-strong); color: var(--muted); }
.pill { font-size: 11px; font-weight: 600; padding: 2px 7px; border-radius: 99px; text-transform: capitalize; }
.pri-low { background: #e6f1fb; color: #2a6db0; }
.pri-medium { background: #fdf3dc; color: #946300; }
.pri-high { background: #fde4e4; color: #b42d2d; }
.pill-gap { width: 52px; }
.due { font-size: 12px; color: var(--muted); white-space: nowrap; }
.due.overdue { color: var(--danger); font-weight: 600; }
.due.today { color: var(--ok); font-weight: 600; }
.meta-count { font-size: 12px; color: var(--muted); min-width: 34px; }

/* ---------- board ---------- */
.board-wrap { padding: 16px 16px 8px; }
.board { display: flex; gap: 14px; align-items: flex-start; min-height: 100%; }
.column {
  width: 290px; flex: none; background: var(--col); border-radius: 12px; padding: 10px;
  display: flex; flex-direction: column; max-height: 100%;
}
.col-head { display: flex; align-items: center; gap: 8px; padding: 2px 4px 10px; }
.col-title { font-weight: 600; }
.col-count { color: var(--muted); font-size: 12px; }
.col-head .icon-btn { margin-left: auto; width: 26px; height: 26px; }
.col-done .col-title::before { content: "✓ "; color: var(--ok); }
.cards { display: grid; gap: 8px; min-height: 40px; overflow-y: auto; padding: 2px; }
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 10px 12px; box-shadow: var(--card-shadow); cursor: pointer; user-select: none;
}
.card:hover { border-color: var(--border-strong); }
.card.open { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.card.dragging { opacity: .45; }
.card.is-done .card-title { color: var(--muted); }
.card-title { font-weight: 500; overflow-wrap: anywhere; }
.card-meta { display: flex; align-items: center; gap: 8px; margin-top: 8px; min-height: 24px; }
.add-card {
  border: 0; background: transparent; color: var(--muted); text-align: left; padding: 8px 6px;
  border-radius: 8px; cursor: pointer; margin-top: 6px;
}
.add-card:hover { background: rgba(127, 127, 127, .12); color: var(--text); }
.quick-add textarea { border-color: var(--accent); box-shadow: var(--card-shadow); }

/* ---------- list ---------- */
.list { max-width: 1100px; display: grid; gap: 0; }
.list-group-head {
  display: flex; gap: 8px; align-items: baseline; font-weight: 600; padding: 18px 8px 8px;
  border-bottom: 1px solid var(--border);
}
.list-group-head:first-child { padding-top: 0; }
.list-group-head.danger { color: var(--danger); }
.row {
  display: grid; grid-template-columns: 26px minmax(0, 1fr) auto auto auto 76px 24px; gap: 12px; align-items: center;
  padding: 9px 8px; border-bottom: 1px solid var(--border); cursor: pointer; background: var(--panel);
}
.row:has(.row-project) { grid-template-columns: 26px minmax(0, 1fr) minmax(0, 180px) auto auto 76px 24px; }
.row:hover { background: var(--bg); }
.row.open { background: var(--accent-soft); }
.row-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row.is-done .row-title { color: var(--muted); text-decoration: line-through; }
.row-project { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 12px; min-width: 0; }
.row-project span:last-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row-project .dot { width: 8px; height: 8px; border-radius: 2px; flex: none; }
.check {
  width: 20px; height: 20px; border-radius: 50%; border: 1.5px solid var(--border-strong);
  background: transparent; color: transparent; font-size: 11px; display: grid; place-items: center;
  cursor: pointer; padding: 0;
}
.check:hover { border-color: var(--ok); color: var(--ok); }
.check.on { background: var(--ok); border-color: var(--ok); color: #fff; }
.add-row {
  border: 0; background: none; color: var(--muted); text-align: left; padding: 9px 8px 9px 46px; cursor: pointer;
}
.add-row:hover { color: var(--text); }
.empty { text-align: center; padding: 60px 20px; }
.empty-big { font-size: 40px; }

/* ---------- team ---------- */
.team { max-width: 760px; display: grid; gap: 18px; }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 18px 20px; }
.panel h2 { font-size: 16px; margin: 0 0 6px; }
.invite-row { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.invite-input { flex: 1 1 260px; font-family: ui-monospace, Consolas, monospace; font-size: 12px; }
.members { display: grid; margin-top: 8px; }
.member { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-top: 1px solid var(--border); }
.member:first-child { border-top: 0; }
.member-info { flex: 1; min-width: 0; }
.member-info > div { overflow: hidden; text-overflow: ellipsis; }
.member-name { font-weight: 500; }
.member-actions { display: flex; gap: 6px; align-items: center; }
.member-actions select { width: auto; }
.role-tag { font-size: 12px; color: var(--muted); }

/* ---------- drawer ---------- */
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; width: min(520px, 100vw);
  background: var(--panel); border-left: 1px solid var(--border);
  box-shadow: -10px 0 30px rgba(20, 22, 30, .1);
  transform: translateX(105%); transition: transform .18s ease; z-index: 30;
  display: flex; flex-direction: column;
}
.drawer-open .drawer { transform: none; }
.drawer-loading { padding: 24px; color: var(--muted); }
.drawer-bar { display: flex; align-items: center; gap: 6px; padding: 12px 16px; border-bottom: 1px solid var(--border); }
.drawer-body { overflow-y: auto; padding: 16px 22px 30px; }
.drawer-title {
  font-size: 20px; font-weight: 600; border: 1px solid transparent; padding: 4px 6px; margin-left: -7px;
  resize: none; overflow: hidden; background: transparent;
}
.drawer-title:hover { border-color: var(--border); }
.drawer-title:focus { border-color: var(--border-strong); }
.fields { display: grid; gap: 10px; margin: 16px 0 20px; }
.field { display: grid; grid-template-columns: 100px minmax(0, 1fr); align-items: center; gap: 10px; }
.field select, .field input { max-width: 260px; padding: 6px 8px; }
.field-label { color: var(--muted); font-size: 13px; display: block; }
.proj-link { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; }
.proj-link .dot { width: 10px; height: 10px; border-radius: 3px; }
.desc { margin-top: 6px; }
.created { margin: 10px 0 0; }
.section-h { font-size: 14px; margin: 22px 0 10px; }
.comments { display: grid; gap: 14px; }
.comment { display: flex; gap: 10px; }
.comment-body { flex: 1; min-width: 0; }
.comment-head { display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; }
.comment-head .link-btn { margin-left: auto; }
.comment-text { white-space: pre-wrap; overflow-wrap: anywhere; margin-top: 2px; }
.comment-new { display: flex; gap: 10px; margin-top: 16px; }
.comment-new-box { flex: 1; display: grid; gap: 8px; justify-items: end; }

/* ---------- modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(15, 16, 20, .45); display: grid; place-items: center;
  padding: 16px; z-index: 50;
}
.modal {
  width: 100%; max-width: 460px; background: var(--panel); border-radius: 14px; padding: 22px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .25); max-height: 92vh; overflow-y: auto;
}
.modal h2 { margin: 0 0 14px; font-size: 18px; }
.modal-body { display: grid; gap: 14px; }
.modal-foot { display: flex; gap: 8px; margin-top: 20px; align-items: center; flex-wrap: wrap; }
.swatches { display: flex; gap: 8px; flex-wrap: wrap; }
.swatch { width: 28px; height: 28px; border-radius: 50%; border: 2px solid transparent; cursor: pointer; padding: 0; }
.swatch.on { box-shadow: 0 0 0 2px var(--panel), 0 0 0 4px var(--text); }

/* ---------- toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 22px; transform: translate(-50%, 20px); opacity: 0;
  background: #1e1f21; color: #fff; padding: 10px 16px; border-radius: 10px; z-index: 60;
  transition: all .18s ease; pointer-events: none; max-width: calc(100vw - 32px);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast.err { background: var(--danger); }

/* ---------- mobile ---------- */
.scrim { display: none; }
@media (max-width: 820px) {
  .menu-btn { display: inline-grid; }
  .sidebar {
    position: fixed; top: 0; bottom: 0; left: 0; z-index: 40; transform: translateX(-100%);
    transition: transform .18s ease; width: 260px;
  }
  .nav-open .sidebar { transform: none; }
  .nav-open .scrim { display: block; position: fixed; inset: 0; background: rgba(0, 0, 0, .4); z-index: 35; }
  .topbar { padding: 10px 16px; }
  .title-wrap { flex: 1 1 calc(100% - 50px); }
  .topbar-actions { width: 100%; }
  .content { padding: 16px; }
  .board-wrap { padding: 12px 16px; }
  .column { width: 82vw; max-width: 300px; }
  .row, .row:has(.row-project) { grid-template-columns: 26px minmax(0, 1fr) auto 24px; }
  .row .meta-count, .row .pill, .row .pill-gap, .row .row-project { display: none; }
  .field { grid-template-columns: 1fr; gap: 4px; }
  .field select, .field input { max-width: none; }
}