:root {
  --navy: #0b1f3a;
  --blue: #2563eb;
  --blue-soft: #eaf1fe;
  --ink: #141a26;
  --muted: #667085;
  --bg: #f5f7fa;
  --card: #ffffff;
  --line: #e5e8ee;
  --green: #15803d; --green-soft: #e7f6ec;
  --amber: #b45309; --amber-soft: #fdf3e2;
  --red: #c62828; --red-soft: #fdecec;
  --radius: 12px;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--bg); color: var(--ink); font-size: 15px; line-height: 1.5; }
h1, h2, h3 { margin: 0; }
h2 { font-size: 1rem; margin-bottom: .8rem; }
small { display: block; color: var(--muted); font-size: .82rem; }
.muted { color: var(--muted); }
[hidden] { display: none !important; }

.container { width: min(1200px, 100% - 32px); margin: 1.5rem auto 3rem; }

/* Buttons */
.btn { border: 0; border-radius: 8px; padding: .6em 1.1em; font: inherit; font-weight: 600; cursor: pointer; }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: #1d4ed8; }
.btn-ghost { background: transparent; color: inherit; border: 1px solid var(--line); }
.btn-danger { background: transparent; color: var(--red); }
.btn:disabled { opacity: .6; }

/* Top bar */
.topbar { display: flex; align-items: center; gap: 1.5rem; padding: 0 16px; height: 60px; background: var(--navy); color: #fff; position: sticky; top: 0; z-index: 5; }
.topbar .brand { display: flex; align-items: center; gap: .6rem; font-weight: 700; white-space: nowrap; }
.topbar .btn-ghost { border-color: rgba(255,255,255,.25); margin-left: auto; }
.tabs { display: flex; gap: .25rem; overflow-x: auto; }
.tabs button { background: none; border: 0; color: rgba(255,255,255,.7); font: inherit; font-weight: 500; padding: .5em .9em; border-radius: 8px; cursor: pointer; white-space: nowrap; }
.tabs button:hover { color: #fff; }
.tabs button.active { background: rgba(255,255,255,.12); color: #fff; }

/* Dashboard */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem 1.2rem; }
.stat span { color: var(--muted); font-size: .85rem; }
.stat strong { display: block; font-size: 1.6rem; margin-top: .2rem; }
.stat.warn strong { color: var(--red); }
.two-col { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1rem; }
.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem; }
.list { list-style: none; margin: 0; padding: 0; }
.list li { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .65rem 0; border-top: 1px solid var(--line); cursor: pointer; }
.list li:first-child { border-top: 0; }
.list li.empty { cursor: default; }
.empty { color: var(--muted); text-align: center; padding: 1.5rem; }

/* Pills */
.pill { display: inline-block; font-size: .78rem; font-weight: 600; padding: .15em .65em; border-radius: 999px; background: #eef0f4; color: var(--muted); white-space: nowrap; text-transform: capitalize; }
.pill-blue { background: var(--blue-soft); color: var(--blue); }
.pill-green { background: var(--green-soft); color: var(--green); }
.pill-amber { background: var(--amber-soft); color: var(--amber); }
.pill-red { background: var(--red-soft); color: var(--red); }

/* Toolbar + tables */
.toolbar { display: flex; flex-wrap: wrap; gap: .75rem; margin-bottom: 1rem; }
.toolbar input, .toolbar select { flex: 1 1 180px; max-width: 320px; }
.toolbar .btn { margin-left: auto; }
input, select, textarea { font: inherit; padding: .55em .7em; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: inherit; width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--blue); outline-offset: -1px; border-color: transparent; }
.table-wrap { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 720px; }
th, td { text-align: left; padding: .75rem 1rem; border-top: 1px solid var(--line); vertical-align: top; }
th { border-top: 0; font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 600; }
tbody tr[data-client] { cursor: pointer; }
tbody tr[data-client]:hover { background: #fafbfd; }
.num { text-align: right; }

/* Board */
.board { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; align-items: start; }
.column { background: #eceff4; border-radius: var(--radius); padding: .8rem; min-height: 300px; transition: background .15s; }
.column.over { background: var(--blue-soft); }
.column h3 { font-size: .9rem; padding: .2rem .4rem .8rem; display: flex; gap: .5rem; align-items: center; }
.count { background: #fff; color: var(--muted); font-size: .75rem; padding: 0 .55em; border-radius: 999px; }
.drop { display: flex; flex-direction: column; gap: .6rem; min-height: 60px; }
.task { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: .75rem .85rem; cursor: grab; box-shadow: 0 1px 2px rgba(0,0,0,.04); }
.task:hover { border-color: #c9d3e3; }
.task.dragging { opacity: .5; }
.task strong { display: block; font-weight: 600; }
.task .pill { margin-top: .5rem; }
.column[data-status="done"] .task strong { color: var(--muted); text-decoration: line-through; }

/* Dialogs */
dialog { border: 0; border-radius: 16px; padding: 0; width: min(620px, 100% - 32px); box-shadow: 0 24px 60px rgba(11,31,58,.25); }
dialog::backdrop { background: rgba(11,31,58,.45); }
dialog form { padding: 1.5rem; }
dialog h2 { font-size: 1.2rem; margin-bottom: 1rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem; }
.form-grid label { display: flex; flex-direction: column; gap: .3rem; font-size: .85rem; font-weight: 600; color: var(--muted); }
.form-grid .full { grid-column: 1 / -1; }
.dialog-actions { display: flex; gap: .6rem; margin-top: 1.4rem; }
.spacer { flex: 1; }

/* Login */
.login-page { min-height: 100vh; display: grid; place-items: center; background: var(--navy); padding: 16px; }
.login-card { background: #fff; border-radius: 16px; padding: 2.2rem; width: min(380px, 100%); display: flex; flex-direction: column; gap: .9rem; text-align: center; }
.login-card img { margin: 0 auto; }
.login-card h1 { font-size: 1.4rem; }
.login-card label { text-align: left; font-size: .85rem; font-weight: 600; color: var(--muted); display: flex; flex-direction: column; gap: .3rem; }
.login-card .muted { margin: 0; }
.error { color: var(--red); margin: 0; font-size: .9rem; }

@media (max-width: 760px) {
  .topbar { gap: .75rem; }
  .topbar .brand { font-size: 0; gap: 0; }
  .board { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .toolbar .btn { margin-left: 0; width: 100%; }
  .toolbar input, .toolbar select { max-width: none; }
}