:root {
  --ink: #202427;
  --muted: #667078;
  --line: #d9dee2;
  --canvas: #f3f5f6;
  --paper: #ffffff;
  --primary: #126b5b;
  --primary-dark: #0d5145;
  --brick: #a9443b;
  --amber: #a76510;
  --blue: #2d6097;
  --radius: 6px;
  --shadow: 0 10px 30px rgba(32, 36, 39, 0.08);
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--canvas); }
body { margin: 0; color: var(--ink); background: var(--canvas); font-family: "Pretendard", "Noto Sans KR", "Malgun Gothic", Arial, sans-serif; font-size: 15px; line-height: 1.55; letter-spacing: 0; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; letter-spacing: 0; }
button, select { cursor: pointer; }
img { display: block; max-width: 100%; }
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 8px; font-size: 28px; line-height: 1.25; }
h2 { margin-bottom: 0; font-size: 18px; line-height: 1.35; }

.topbar { position: sticky; top: 0; z-index: 20; min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 0 28px; border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, 0.97); }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 0; }
.brand img { width: 125px; height: 34px; object-fit: contain; object-position: left center; }
.brand-product { padding-left: 12px; border-left: 1px solid var(--line); color: #40484e; font-size: 14px; font-weight: 700; }
.account-strip { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 13px; white-space: nowrap; }
.account-name { color: var(--ink); font-weight: 700; }
.role-label, .session-clock { padding: 4px 8px; border: 1px solid var(--line); border-radius: 999px; background: #f8f9fa; }

.app-layout { display: grid; grid-template-columns: 210px minmax(0, 1fr); min-height: calc(100vh - 65px); }
.sidebar { padding: 24px 16px; border-right: 1px solid var(--line); background: #fafbfb; }
.sidebar a { display: block; min-height: 42px; margin-bottom: 4px; padding: 10px 12px; border-left: 3px solid transparent; color: #4d565d; font-weight: 650; }
.sidebar a:hover { color: var(--ink); background: #f0f3f3; }
.sidebar a.active { border-left-color: var(--primary); color: var(--primary-dark); background: #e8f1ef; }
.main-content { width: min(1180px, 100%); min-width: 0; padding: 34px 40px 60px; }
.auth-content { width: min(500px, calc(100% - 32px)); margin: 0 auto; padding: 72px 0; }

.messages { margin-bottom: 20px; }
.message, .notice, .form-errors { padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); }
.message-success { border-color: #acd1c8; background: #edf7f4; color: var(--primary-dark); }
.message-error, .form-errors { border-color: #e3b6b2; background: #fff2f1; color: #8c332c; }
.message-warning, .notice-warning { border-color: #e4c797; background: #fff8ea; color: #76501d; }
.form-errors ul { margin: 0; padding-left: 18px; }

.auth-panel { padding: 34px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); box-shadow: var(--shadow); }
.auth-copy { margin-bottom: 26px; }
.auth-copy p { margin-bottom: 0; color: var(--muted); }
.eyebrow { display: block; margin-bottom: 8px; color: var(--primary); font-size: 12px; font-weight: 800; text-transform: uppercase; }
.stack-form { display: grid; gap: 18px; margin-top: 20px; }
.field { min-width: 0; }
.field label, .comment-form label { display: block; margin-bottom: 7px; color: #454c52; font-size: 13px; font-weight: 700; }
input[type="text"], input[type="email"], input[type="search"], input[type="date"], select, textarea { width: 100%; min-height: 44px; padding: 10px 12px; border: 1px solid #bdc5ca; border-radius: 4px; color: var(--ink); background: #fff; outline: none; }
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(18, 107, 91, 0.13); }
.code-field input { font-size: 26px; font-weight: 800; text-align: center; letter-spacing: 8px; }
.field-error { display: block; margin-top: 6px; color: var(--brick); font-size: 13px; }
.auth-footnote { display: grid; gap: 5px; margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.auth-footnote strong { color: var(--ink); }
.auth-footnote a, .text-link, .section-heading a { color: var(--primary); font-weight: 750; }
.text-link { display: inline-block; margin-top: 22px; font-size: 13px; }

.button { min-height: 42px; display: inline-flex; align-items: center; justify-content: center; gap: 7px; padding: 9px 15px; border: 1px solid transparent; border-radius: 4px; font-weight: 750; line-height: 1.2; }
.button:hover { filter: brightness(0.96); }
.button-primary { color: #fff; border-color: var(--primary); background: var(--primary); }
.button-secondary { color: var(--primary-dark); border-color: #9fc3bb; background: #edf5f3; }
.button-quiet { color: #4f585e; border-color: var(--line); background: #fff; }
.button-small { min-height: 32px; padding: 6px 10px; font-size: 12px; }
.button-full { width: 100%; }

.page-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 28px; }
.page-heading h1 { margin-bottom: 0; }
.compact-heading { align-items: center; }
.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 34px; }
.metric-card { min-height: 130px; padding: 20px; border: 1px solid var(--line); border-top: 3px solid #87939a; border-radius: var(--radius); background: var(--paper); }
.metric-card span, .metric-card small { display: block; color: var(--muted); }
.metric-card strong { display: block; margin: 8px 0 2px; font-size: 32px; line-height: 1; }
.metric-card small { font-size: 12px; }
.metric-card:nth-child(1) { border-top-color: var(--blue); }
.metric-card:nth-child(2) { border-top-color: var(--amber); }
.metric-card:nth-child(3) { border-top-color: var(--primary); }
.metric-card.metric-accent { border-top-color: var(--brick); }

.content-section, .comments-section { margin-top: 34px; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 12px; }
.record-list { overflow: hidden; border-radius: var(--radius); background: var(--paper); }
.record-list-bordered { border: 1px solid var(--line); }
.record-row { min-height: 72px; display: grid; grid-template-columns: 58px minmax(0, 1fr) auto auto; align-items: center; gap: 14px; padding: 13px 16px; border-bottom: 1px solid #e7eaec; }
.record-row:last-child { border-bottom: 0; }
.record-row:hover { background: #f8faf9; }
.record-main { min-width: 0; }
.record-main strong, .record-main small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.record-main strong { margin-bottom: 3px; }
.record-main small { color: var(--muted); font-size: 12px; }
.kind-badge, .status-badge, .pin-label { display: inline-flex; align-items: center; justify-content: center; min-height: 26px; padding: 4px 8px; border-radius: 999px; font-size: 12px; font-weight: 750; white-space: nowrap; }
.kind-notice { color: #7f2f29; background: #f8e7e5; }
.kind-task { color: #244f7a; background: #e7eef6; }
.kind-question { color: #67500f; background: #f7f0d9; }
.status-open { color: #4e585f; background: #edf0f1; }
.status-in_progress { color: #245b52; background: #e1f0ec; }
.status-waiting { color: #76501d; background: #fff0d8; }
.status-done { color: #fff; background: var(--primary); }
.status-closed { color: #fff; background: #616970; }
.pin-label { min-height: 22px; margin-right: 6px; color: #7f2f29; background: #f8e7e5; }
.due-date { color: var(--brick); font-size: 13px; font-weight: 750; }
.empty-state { padding: 42px 18px; color: var(--muted); text-align: center; }
.compact-empty { padding: 22px; }

.deadline-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.deadline-item { min-height: 112px; display: grid; align-content: center; gap: 4px; padding: 16px; border: 1px solid var(--line); border-left: 4px solid var(--brick); border-radius: var(--radius); background: var(--paper); }
.deadline-item time { color: var(--brick); font-size: 12px; font-weight: 800; }
.deadline-item span { color: var(--muted); font-size: 12px; }

.filter-bar { display: grid; grid-template-columns: minmax(220px, 1fr) 150px 150px auto; gap: 10px; margin-bottom: 14px; }
.pagination { display: flex; align-items: center; justify-content: center; gap: 18px; margin-top: 20px; color: var(--muted); }
.pagination a { color: var(--primary); font-weight: 750; }

.editor-form { display: grid; gap: 20px; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); }
.editor-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.check-field { display: inline-flex; align-items: center; gap: 8px; width: fit-content; font-weight: 700; }
.check-field input { width: 18px; height: 18px; accent-color: var(--primary); }
.form-actions { display: flex; justify-content: flex-end; padding-top: 4px; }

.post-view { border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); }
.post-header { position: relative; padding: 28px 30px 24px; border-bottom: 1px solid var(--line); }
.post-labels { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 14px; }
.post-header h1 { max-width: 820px; font-size: 26px; }
.post-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; color: var(--muted); font-size: 13px; }
.post-actions { position: absolute; top: 28px; right: 30px; display: flex; gap: 8px; }
.post-body { min-height: 220px; padding: 30px; font-size: 16px; line-height: 1.8; }
.status-control { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 20px 30px; border-top: 1px solid var(--line); background: #f8faf9; }
.status-control p { margin: 3px 0 0; color: var(--muted); font-size: 13px; }
.status-control form { display: flex; gap: 8px; }
.status-control select { min-width: 150px; }

.comment-list { border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); }
.comment { padding: 18px 20px; border-bottom: 1px solid #e7eaec; }
.comment:last-child { border-bottom: 0; }
.comment header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
.comment time { color: var(--muted); font-size: 12px; }
.comment p { margin-bottom: 0; }
.comment-form { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 10px; margin-top: 14px; }
.comment-form label { grid-column: 1 / -1; margin-bottom: -3px; }

@media (max-width: 960px) {
  .topbar { padding: 0 18px; }
  .app-layout { grid-template-columns: 1fr; }
  .sidebar { display: flex; gap: 4px; overflow-x: auto; padding: 8px 14px; border-right: 0; border-bottom: 1px solid var(--line); }
  .sidebar a { min-width: max-content; margin: 0; border-left: 0; border-bottom: 3px solid transparent; }
  .sidebar a.active { border-bottom-color: var(--primary); }
  .main-content { padding: 28px 24px 52px; }
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .deadline-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 700px) {
  h1 { font-size: 23px; }
  .topbar { position: static; min-height: 58px; flex-wrap: wrap; padding-top: 10px; padding-bottom: 10px; }
  .brand img { width: 108px; }
  .account-strip { width: 100%; flex-wrap: wrap; }
  .session-clock { margin-left: 0; }
  .main-content { padding: 24px 16px 44px; }
  .auth-content { padding: 36px 0; }
  .auth-panel { padding: 24px 20px; }
  .page-heading { align-items: flex-start; flex-direction: column; }
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metric-card { min-height: 112px; padding: 15px; }
  .metric-card strong { font-size: 28px; }
  .filter-bar { grid-template-columns: 1fr 1fr; }
  .filter-bar input[type="search"] { grid-column: 1 / -1; }
  .filter-bar .button { width: 100%; }
  .record-row { grid-template-columns: 52px minmax(0, 1fr) auto; gap: 9px; padding: 12px; }
  .record-row .due-date { display: none; }
  .status-badge { grid-column: 3; }
  .deadline-grid { grid-template-columns: 1fr; }
  .editor-grid { grid-template-columns: 1fr; }
  .editor-form { padding: 20px 16px; }
  .post-header { padding: 22px 18px; }
  .post-header h1 { font-size: 22px; }
  .post-actions { position: static; margin-top: 18px; }
  .post-body { min-height: 180px; padding: 24px 18px; }
  .status-control { align-items: stretch; flex-direction: column; padding: 18px; }
  .status-control form { width: 100%; }
  .status-control select { min-width: 0; }
  .comment-form { grid-template-columns: 1fr; }
  .comment-form label { grid-column: auto; }
}

@media (max-width: 440px) {
  .brand-product, .role-label { display: none; }
  .metric-grid { grid-template-columns: 1fr; }
  .filter-bar { grid-template-columns: 1fr; }
  .filter-bar input[type="search"] { grid-column: auto; }
  .record-row { grid-template-columns: 48px minmax(0, 1fr); }
  .record-row .status-badge { grid-column: 2; justify-self: start; }
}