:root {
  --bg: #0b0e13; --bg-soft: #121722; --card: #161c28; --card2: #1b2230;
  --line: #273246; --ink: #e7edf5; --ink-soft: #9fb0c6;
  --accent: #39d98a; --accent-dim: #1f7a52; --blue: #5aa9ff; --amber: #e3b341;
  --red: #ff6b6b; --purple: #c9a9ff;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
/* The HTML hidden attribute must win over component display rules
   (.app, .login-screen, .modal-back, .view-panel all set display). app.js
   toggles visibility via the .hidden property, so this keeps that authoritative. */
[hidden] { display: none !important; }
html, body { margin: 0; height: 100%; }
body { background: var(--bg); color: var(--ink); font-family: var(--sans); font-size: 14px; }
button { font-family: var(--sans); }
input, select, textarea { font-family: var(--sans); }

.brand { font-family: var(--mono); font-weight: 700; font-size: 1.1rem; letter-spacing: -.02em; }
.brand-null { color: var(--accent); } .brand-forge { color: var(--ink); }
.brand-pm { color: var(--ink-soft); font-weight: 600; }

.btn-primary { background: var(--accent); color: #04120a; border: 0; border-radius: 8px; padding: .5rem 1rem; font-weight: 600; cursor: pointer; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { background: transparent; color: var(--ink-soft); border: 1px solid var(--line); border-radius: 8px; padding: .45rem .8rem; cursor: pointer; }
.btn-ghost:hover { color: var(--ink); border-color: var(--accent-dim); }
.btn-mini { background: transparent; color: var(--ink-soft); border: 1px solid var(--line); border-radius: 6px; width: 26px; height: 26px; cursor: pointer; font-size: 1rem; line-height: 1; }
.btn-mini:hover { color: var(--accent); border-color: var(--accent-dim); }
.btn-danger { background: #ff6b6b1a; color: var(--red); border: 1px solid #ff6b6b44; border-radius: 8px; padding: .45rem .8rem; cursor: pointer; }

/* login */
.login-screen { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-box { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 2rem; width: 320px; display: flex; flex-direction: column; gap: .8rem; }
.login-box .brand { font-size: 1.5rem; text-align: center; }
.login-sub { color: var(--ink-soft); text-align: center; margin: 0 0 .5rem; }
.login-box input { padding: .7rem .8rem; background: var(--bg-soft); border: 1px solid var(--line); border-radius: 8px; color: var(--ink); }
.login-box input:focus { outline: none; border-color: var(--accent-dim); }
.login-error { color: var(--red); font-size: .85rem; text-align: center; margin: 0; }

/* app shell */
.app { height: 100vh; display: flex; flex-direction: column; }
.topbar { display: flex; align-items: center; justify-content: space-between; padding: 0 1.2rem; height: 56px; border-bottom: 1px solid var(--line); background: #0b0e13; }
.topbar-right { display: flex; align-items: center; gap: .8rem; }
.whoami { color: var(--ink-soft); font-size: .88rem; }
.layout { flex: 1; display: flex; min-height: 0; }
.sidebar { width: 240px; border-right: 1px solid var(--line); background: var(--bg-soft); display: flex; flex-direction: column; }
.sidebar-head { display: flex; align-items: center; justify-content: space-between; padding: .9rem 1rem; color: var(--ink-soft); font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; border-bottom: 1px solid var(--line); }
.project-list { list-style: none; margin: 0; padding: .4rem; overflow-y: auto; }
.project-list li { padding: .6rem .7rem; border-radius: 8px; cursor: pointer; color: var(--ink-soft); font-size: .93rem; }
.project-list li:hover { background: var(--card); color: var(--ink); }
.project-list li.active { background: var(--card2); color: var(--ink); border-left: 2px solid var(--accent); }

.main { flex: 1; overflow: auto; padding: 1.4rem 1.6rem; min-width: 0; }
.empty-state { color: var(--ink-soft); text-align: center; margin-top: 4rem; }
.project-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.project-head h1 { margin: 0 0 .3rem; font-size: 1.5rem; }
.project-actions { display: flex; gap: .5rem; }
.pill { font-size: .72rem; padding: .2rem .55rem; border-radius: 999px; background: var(--bg-soft); border: 1px solid var(--line); color: var(--ink-soft); text-transform: capitalize; }

.view-tabs { display: flex; gap: .3rem; margin: 1.2rem 0 1rem; border-bottom: 1px solid var(--line); }
.vtab { background: transparent; border: 0; border-bottom: 2px solid transparent; color: var(--ink-soft); padding: .55rem .9rem; cursor: pointer; font-size: .95rem; }
.vtab:hover { color: var(--ink); }
.vtab.active { color: var(--ink); border-bottom-color: var(--accent); }

/* grid */
.task-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.task-table th, .task-table td { text-align: left; padding: .55rem .6rem; border-bottom: 1px solid var(--line); }
.task-table th { color: var(--ink-soft); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; }
.task-table tr:hover td { background: var(--card); }
.task-name-cell { cursor: pointer; }
.task-name-cell:hover { color: var(--accent); }
.milestone-mark { color: var(--purple); margin-right: .3rem; }
.pct-bar { position: relative; width: 70px; height: 8px; background: var(--bg-soft); border-radius: 4px; overflow: hidden; border: 1px solid var(--line); }
.pct-fill { position: absolute; left: 0; top: 0; bottom: 0; background: var(--accent); }
.status-pill { font-size: .72rem; padding: .15rem .5rem; border-radius: 5px; white-space: nowrap; }
.st-todo { background: #ffffff10; color: var(--ink-soft); }
.st-in_progress { background: #5aa9ff22; color: var(--blue); }
.st-blocked { background: #ff6b6b22; color: var(--red); }
.st-done { background: #39d98a22; color: var(--accent); }
.dep-tag { font-family: var(--mono); font-size: .75rem; color: var(--ink-soft); }
.row-actions button { background: transparent; border: 0; color: var(--ink-soft); cursor: pointer; font-size: .85rem; }
.row-actions button:hover { color: var(--red); }

/* gantt */
.gantt { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; background: var(--card); }
.gantt-inner { position: relative; }
.gantt-head { display: flex; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--card2); }
.gantt-label-col { width: 200px; flex: none; }
.gantt-day { flex: none; text-align: center; font-size: .66rem; color: var(--ink-soft); padding: .3rem 0; border-left: 1px solid var(--line); }
.gantt-day.weekend { background: #ffffff06; }
.gantt-row { display: flex; align-items: center; height: 34px; border-bottom: 1px solid var(--line); }
.gantt-row-label { width: 200px; flex: none; padding: 0 .7rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: .85rem; }
.gantt-track { position: relative; flex: 1; height: 100%; }
.gantt-bar { position: absolute; top: 8px; height: 18px; background: var(--blue); border-radius: 4px; overflow: hidden; cursor: pointer; }
.gantt-bar .fill { position: absolute; left: 0; top: 0; bottom: 0; background: var(--accent); opacity: .85; }
.gantt-bar.done { background: var(--accent-dim); }
.gantt-milestone { position: absolute; top: 7px; width: 18px; height: 18px; background: var(--purple); transform: rotate(45deg); cursor: pointer; }
.gantt-today { position: absolute; top: 0; bottom: 0; width: 2px; background: var(--amber); z-index: 3; }
.gantt-svg { position: absolute; top: 0; left: 0; pointer-events: none; z-index: 2; }

/* kanban */
.kanban { display: grid; grid-template-columns: repeat(4, 1fr); gap: .8rem; }
.kcol { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 10px; padding: .6rem; min-height: 120px; }
.kcol.drop { border-color: var(--accent-dim); background: #39d98a0a; }
.kcol h3 { font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-soft); margin: .2rem .3rem .6rem; display: flex; justify-content: space-between; }
.kcard { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: .6rem; margin-bottom: .5rem; cursor: grab; }
.kcard:hover { border-color: var(--accent-dim); }
.kcard .kc-name { font-size: .9rem; margin-bottom: .3rem; }
.kcard .kc-meta { font-size: .76rem; color: var(--ink-soft); display: flex; justify-content: space-between; }
.kcard.dragging { opacity: .5; }

/* modal */
.modal-back { position: fixed; inset: 0; background: #000000aa; display: flex; align-items: center; justify-content: center; z-index: 50; }
.modal { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 1.4rem; width: min(520px, 94vw); max-height: 90vh; overflow-y: auto; }
.modal h2 { margin: 0 0 1rem; font-size: 1.2rem; }
.field { display: block; margin-bottom: .8rem; }
.field label { display: block; font-size: .8rem; color: var(--ink-soft); margin-bottom: .3rem; }
.field input, .field select, .field textarea { width: 100%; padding: .55rem .7rem; background: var(--bg-soft); border: 1px solid var(--line); border-radius: 8px; color: var(--ink); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent-dim); }
.field-row { display: flex; gap: .8rem; }
.field-row .field { flex: 1; }
.modal-actions { display: flex; justify-content: space-between; gap: .5rem; margin-top: 1.2rem; }
.modal-actions .right { display: flex; gap: .5rem; }
.checkbox { display: flex; align-items: center; gap: .5rem; }
.checkbox input { width: auto; }
.multi { max-height: 120px; overflow-y: auto; border: 1px solid var(--line); border-radius: 8px; padding: .4rem; background: var(--bg-soft); }
.multi label { display: flex; align-items: center; gap: .5rem; font-size: .88rem; padding: .2rem; color: var(--ink); }
.multi input { width: auto; }
.modal-error { color: var(--red); font-size: .85rem; margin: .5rem 0 0; }

.utable { width: 100%; border-collapse: collapse; font-size: .9rem; }
.utable th, .utable td { text-align: left; padding: .5rem .6rem; border-bottom: 1px solid var(--line); }
.utable th { color: var(--ink-soft); font-size: .8rem; }
.tag-admin { color: var(--amber); font-weight: 600; }
.tag-inactive { color: var(--red); }