/* ============================================================
   ITSC Project Hub — shared styles
   시스템/레이아웃 라벨은 영어, 사용자 데이터는 한국어 (UI 언어 규칙)
   ============================================================ */

:root {
  --bg: #EEF1F4;
  --surface: #FFFFFF;
  --ink: #171A21;
  --muted: #6A7280;
  --faint: #9AA2AD;
  --line: #E1E5EA;
  --track: #E7EBEF;
  --accent: #2F6F6A;
  --accent-2: #3E8E7F;
  --ok: #3E8E5A;
  --warn: #C77D2E;
  --danger: #C0453B;

  --sans: "Inter", system-ui, sans-serif;
  --display: "Space Grotesk", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

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

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

[hidden] { display: none !important; }

/* ---- Header ---- */
header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(238, 241, 244, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: 1040px; margin: 0 auto; padding: 16px 24px;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
}
.wordmark {
  font-family: var(--display); font-weight: 700; font-size: 19px;
  letter-spacing: -0.02em; display: flex; align-items: baseline; gap: 8px;
  text-decoration: none; color: var(--ink);
}
.wordmark .dot { color: var(--accent); }
.wordmark .sub { font-weight: 500; color: var(--muted); font-size: 15px; }

.user-area { display: flex; align-items: center; gap: 12px; }
.user-email { font-family: var(--mono); font-size: 12px; color: var(--muted); }

/* ---- Buttons ---- */
.btn {
  font-family: var(--sans); font-size: 13px; font-weight: 600;
  color: #fff; background: var(--accent); border: none;
  border-radius: 8px; padding: 8px 14px; cursor: pointer;
  transition: background 0.15s ease;
}
.btn:hover { background: var(--accent-2); }
.btn-ghost {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--muted); background: transparent;
  border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 12px; cursor: pointer; transition: all 0.15s ease;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---- Filters ---- */
.filters { display: flex; gap: 4px; }
.chip {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted);
  background: transparent; border: 1px solid var(--line);
  border-radius: 999px; padding: 6px 12px; cursor: pointer;
  transition: all 0.15s ease;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip.active { background: var(--ink); border-color: var(--ink); color: #fff; }

/* ---- Layout ---- */
main { max-width: 1040px; margin: 0 auto; padding: 8px 24px 80px; }
.loading, .error { padding: 48px 0; text-align: center; color: var(--muted); }
.error { color: var(--danger); }

/* ---- Login / setup views ---- */
.center-card {
  max-width: 400px; margin: 80px auto; background: var(--surface);
  border: 1px solid var(--line); border-radius: 14px; padding: 32px;
}
.center-card h1 {
  font-family: var(--display); font-size: 22px; font-weight: 700;
  letter-spacing: -0.02em; margin-bottom: 8px;
}
.center-card p { color: var(--muted); font-size: 14px; margin-bottom: 20px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field label {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--faint);
}
.field input, .field select {
  font-family: var(--sans); font-size: 14px; color: var(--ink);
  background: var(--bg); border: 1px solid var(--line);
  border-radius: 8px; padding: 10px 12px; width: 100%;
}
.field input:focus, .field select:focus {
  outline: 2px solid var(--accent); outline-offset: -1px; border-color: var(--accent);
}
.login-msg { font-size: 13px; color: var(--accent); margin-top: 12px; min-height: 18px; }
.setup-code {
  font-family: var(--mono); font-size: 12px; background: var(--bg);
  border: 1px solid var(--line); border-radius: 8px; padding: 12px;
  color: var(--ink); margin-top: 8px; white-space: pre-wrap;
}

/* ---- Overview: summary strip ---- */
.summary {
  padding: 20px 0 4px; font-family: var(--mono); font-size: 12px;
  letter-spacing: 0.02em; color: var(--muted);
  display: flex; gap: 8px; flex-wrap: wrap; align-items: center;
}
.summary b { color: var(--ink); font-weight: 600; }
.summary .sep { color: var(--faint); }
.summary .flag-warn { color: var(--warn); }

/* ---- Overview: groups & cards ---- */
.group { margin-top: 28px; }
.group-label {
  font-family: var(--display); font-size: 12px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--faint);
  display: flex; align-items: center; gap: 8px; margin-bottom: 12px;
}
.group-label .count { font-family: var(--mono); font-weight: 500; }
.group-label::after { content: ""; flex: 1; height: 1px; background: var(--line); }

.card {
  display: block; background: var(--surface); border: 1px solid var(--line);
  border-radius: 12px; padding: 18px 20px; margin-bottom: 10px;
  text-decoration: none; color: inherit;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover {
  border-color: var(--accent); transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(23, 26, 33, 0.06);
}
.card:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.card-top {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 12px; margin-bottom: 12px;
}
.card-name {
  font-family: var(--display); font-weight: 600; font-size: 16px; letter-spacing: -0.01em;
}
.pct { font-family: var(--mono); font-weight: 600; font-size: 15px; color: var(--accent); white-space: nowrap; }
.badge-done {
  font-family: var(--mono); font-size: 11px; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--ok);
  border: 1px solid var(--ok); border-radius: 999px; padding: 2px 10px;
}
.bar { height: 8px; background: var(--track); border-radius: 999px; overflow: hidden; margin-bottom: 10px; }
.bar-fill {
  height: 100%; border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.5s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.bar-fill.done { background: var(--ok); }
.card-meta { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; font-size: 13px; color: var(--muted); }
.meta-item { display: flex; align-items: center; gap: 5px; }
.meta-item .k {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--faint);
}
.meta-item .v { color: var(--ink); }
.meta-item .frac { font-family: var(--mono); color: var(--muted); }
.flag { font-family: var(--mono); font-size: 12px; font-weight: 500; display: flex; align-items: center; gap: 4px; margin-left: auto; }
.flag.delay { color: var(--warn); }
.flag.blocked { color: var(--danger); }

.empty { text-align: center; padding: 60px 20px; color: var(--muted); }
.empty h2 { font-family: var(--display); font-weight: 600; font-size: 18px; color: var(--ink); margin-bottom: 6px; }

/* ============================================================
   Project detail
   ============================================================ */
.crumb {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 12px; color: var(--muted); margin-bottom: 10px;
}
.crumb a { color: var(--muted); text-decoration: none; transition: color 0.15s ease; }
.crumb a:hover { color: var(--accent); }
.crumb .sep { color: var(--faint); }

.proj-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.proj-title { font-family: var(--display); font-weight: 700; font-size: 24px; letter-spacing: -0.02em; }
.status-pill {
  font-family: var(--mono); font-size: 11px; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  padding: 3px 10px; border-radius: 999px; border: 1px solid;
}
.status-pill.active { color: var(--accent); border-color: var(--accent); }
.status-pill.paused { color: var(--warn); border-color: var(--warn); }
.status-pill.done { color: var(--ok); border-color: var(--ok); }

.recap-bar { display: flex; align-items: center; gap: 16px; margin-top: 14px; flex-wrap: wrap; }
.recap-bar .bar { flex: 1; min-width: 200px; margin-bottom: 0; }
.recap-bar .pct { font-size: 15px; }
.recap-bar .frac { font-family: var(--mono); font-size: 12px; color: var(--muted); }

.section { margin-top: 32px; }
.section-label {
  font-family: var(--display); font-size: 12px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--faint);
  display: flex; align-items: center; gap: 8px; margin-bottom: 14px;
}
.section-label .count { font-family: var(--mono); font-weight: 500; }
.section-label .spacer { flex: 1; height: 1px; background: var(--line); }

/* milestones */
.milestones { display: flex; gap: 10px; flex-wrap: wrap; }
.ms {
  background: var(--surface); border: 1px solid var(--line); border-radius: 10px;
  padding: 12px 14px; min-width: 150px; display: flex; flex-direction: column; gap: 4px;
}
.ms .dot { width: 8px; height: 8px; border-radius: 999px; display: inline-block; }
.ms .dot.todo { background: var(--faint); }
.ms .dot.doing { background: var(--warn); }
.ms .dot.done { background: var(--ok); }
.ms .ms-label { font-weight: 600; font-size: 14px; display: flex; align-items: center; gap: 7px; }
.ms .ms-due { font-family: var(--mono); font-size: 11px; color: var(--muted); }

/* task board */
.board { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.col { background: rgba(255,255,255,0.5); border: 1px solid var(--line); border-radius: 12px; padding: 12px; }
.col-head {
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--mono); font-size: 11px; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted);
  padding: 2px 4px 12px;
}
.col-head .n { background: var(--track); color: var(--muted); border-radius: 999px; padding: 1px 8px; font-size: 11px; }
.task { background: var(--surface); border: 1px solid var(--line); border-radius: 9px; padding: 12px; margin-bottom: 8px; }
.task-key { font-family: var(--mono); font-size: 10px; color: var(--faint); letter-spacing: 0.05em; }
.task-title { font-weight: 500; font-size: 14px; margin: 4px 0 8px; }
.task-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-family: var(--mono); font-size: 11px; color: var(--faint); }
.type-tag {
  font-family: var(--mono); font-size: 10px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.04em; padding: 1px 6px; border-radius: 4px;
  background: var(--track); color: var(--muted);
}
.type-tag.incident, .type-tag.service_request { color: var(--danger); background: rgba(192,69,59,0.09); }
.type-tag.epic { color: #7A5AF0; background: rgba(122,90,240,0.10); }
.prio { padding: 1px 7px; border-radius: 999px; font-weight: 600; }
.prio.highest, .prio.high { color: var(--danger); background: rgba(192,69,59,0.09); }
.prio.medium { color: var(--warn); background: rgba(199,125,46,0.10); }
.prio.low, .prio.lowest, .prio.none { color: var(--muted); background: var(--track); }
.assignee { color: var(--ink); }
.label-pill { padding: 1px 7px; border-radius: 999px; background: var(--track); color: var(--muted); }
.label-pill.blocked { color: var(--danger); background: rgba(192,69,59,0.09); }
.task-status {
  margin-top: 8px; font-family: var(--sans); font-size: 12px;
  border: 1px solid var(--line); border-radius: 6px; padding: 4px 6px;
  background: var(--surface); color: var(--ink); width: 100%; cursor: pointer;
}
.col-empty { color: var(--faint); font-size: 12px; text-align: center; padding: 16px 0; }

/* recaps */
.recap-card { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; margin-bottom: 10px; }
.rc-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 10px; }
.rc-date { font-family: var(--mono); font-weight: 600; font-size: 13px; color: var(--accent); }
.rc-attendees { font-size: 12px; color: var(--muted); }
.rc-row { display: flex; gap: 10px; margin-bottom: 6px; font-size: 13px; }
.rc-row .rc-k {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--faint); min-width: 78px; padding-top: 2px;
}
.rc-row .rc-v { color: var(--ink); flex: 1; }

/* activity feed */
.activity-list { display: flex; flex-direction: column; gap: 2px; }
.act {
  display: flex; gap: 10px; align-items: baseline;
  font-size: 13px; padding: 8px 4px; border-bottom: 1px solid var(--line);
}
.act:last-child { border-bottom: none; }
.act-time { font-family: var(--mono); font-size: 11px; color: var(--faint); min-width: 96px; }
.act-text { color: var(--ink); }
.act-text .who { font-weight: 600; }
.act-text .key { font-family: var(--mono); font-size: 12px; color: var(--accent); }
.act-text .val { font-family: var(--mono); font-size: 12px; color: var(--muted); }

/* new-issue form */
.new-issue-form {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 12px; padding: 16px 18px; margin-bottom: 14px;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px;
}
.new-issue-form .field.full { grid-column: 1 / -1; }
.new-issue-form .actions { grid-column: 1 / -1; display: flex; gap: 8px; justify-content: flex-end; }

.notfound { text-align: center; padding: 80px 20px; color: var(--muted); }
.notfound h1 { font-family: var(--display); font-size: 22px; color: var(--ink); margin-bottom: 8px; }
.notfound a { color: var(--accent); }

@media (max-width: 780px) { .board { grid-template-columns: 1fr; } .new-issue-form { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .header-inner, main { padding-left: 16px; padding-right: 16px; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }