:root {
  --planner-ink: #37352f;
  --planner-muted: #787774;
  --planner-line: #e9e9e7;
  --planner-soft: #f7f6f3;
  --planner-purple: #6940a5;
  --planner-green: #448361;
  --planner-yellow: #c29343;
}

body:has(.planner-page), body.planner-body { background: #fff; }
.planner-page { width: min(900px, calc(100% - 40px)); min-height: calc(100vh - 70px); margin: 0 auto; padding: 64px 0 100px; background: #fff; color: var(--planner-ink); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
.planner-page .app-button { width: auto; min-height: 34px; padding: 7px 12px; border: 1px solid #d9d8d4; border-radius: 5px; background: #fff; color: var(--planner-ink) !important; box-shadow: none; font-size: 13px; font-weight: 500; }
.planner-page button.app-button { background: #f7f6f3 !important; color: var(--planner-ink) !important; }
.planner-page button.app-button:hover { background: #ecebe7 !important; }
.planner-page .app-button:hover { border-color: #aaa8a2; background: #f7f6f3; color: var(--planner-ink) !important; box-shadow: none; }
.planner-page .app-button-secondary { border-color: transparent !important; background: transparent !important; color: var(--planner-muted) !important; }
.planner-page .app-button-secondary:hover { background: #f1f1ef !important; color: var(--planner-ink) !important; }
.planner-page a.planner-download-button,
.planner-page .planner-header-actions a.app-button-secondary { border-color: #d9d8d4 !important; background: #f7f6f3 !important; color: var(--planner-ink) !important; }
.planner-page button:not(.close):not(.nav-link) { display: inline-flex; align-items: center; justify-content: center; width: auto; min-width: 0; max-width: none; min-height: 34px; margin: 0; padding: 7px 10px; border: 1px solid transparent; border-radius: 4px; background: transparent !important; color: var(--planner-muted) !important; box-shadow: none !important; font-size: 13px; font-weight: 500; cursor: pointer; }
.planner-page button:not(.close):not(.nav-link):hover { border-color: #d9d8d4; background: #f7f6f3 !important; color: var(--planner-ink) !important; box-shadow: none !important; }
.planner-page button.app-button:not(.close):not(.nav-link) { border-color: #c9c7c1 !important; background: #f1f0ec !important; color: var(--planner-ink) !important; box-shadow: 0 1px 2px rgba(55,53,47,.08) !important; }
.planner-page button.app-button:not(.close):not(.nav-link):hover,
.planner-page button.app-button:not(.close):not(.nav-link):focus-visible { border-color: #a8a59d !important; background: #e8e7e2 !important; color: var(--planner-ink) !important; outline: 2px solid rgba(105,64,165,.14); outline-offset: 2px; }
.planner-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 32px; margin-bottom: 42px; }
.planner-sticky-header { position: sticky; top: 0; z-index: 10; margin: 0 -24px 28px; padding: 22px 24px 18px; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--planner-line); backdrop-filter: blur(8px); }
.planner-sticky-header .planner-header { margin-bottom: 18px; }
.planner-sticky-header .planner-overall-progress { margin-bottom: 0; }
.planner-header h1 { margin: 7px 0 8px; color: var(--planner-ink); font-size: 36px; font-weight: 700; letter-spacing: -.04em; }
.planner-header p { max-width: 620px; margin: 0; color: var(--planner-muted); font-size: 15px; line-height: 1.6; }
.planner-eyebrow { color: var(--planner-muted); font-size: 11px; font-weight: 700; letter-spacing: .12em; }
.planner-back { display: inline-block; margin-bottom: 18px; color: var(--planner-muted); font-size: 13px; text-decoration: none; }
.planner-back:hover { color: var(--planner-ink); }
.planner-header-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; padding-top: 28px; }
.planner-header-actions .app-button { white-space: nowrap; }
.planner-guide { display: flex; align-items: flex-start; gap: 10px; max-width: 700px; margin: -18px 0 42px; color: var(--planner-muted); font-size: 13px; line-height: 1.5; }
.planner-guide-icon { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 19px; width: 19px; height: 19px; border: 1px solid #c9c8c3; border-radius: 50%; color: var(--planner-muted); font-size: 12px; }
.planner-guide strong { display: block; margin-bottom: 2px; color: var(--planner-ink); font-weight: 600; }
.planner-guide span:last-child { display: block; }
.planner-live-status, body.planner-body .planner-notification { position: fixed; top: 22px; left: 50%; z-index: 20; width: max-content; max-width: calc(100% - 32px); padding: 9px 15px; border: 1px solid #d9e9df; border-radius: 5px; background: #f4fbf6; color: #448361; font-size: 13px; text-align: center; box-shadow: 0 3px 12px rgba(0,0,0,.08); transform: translateX(-50%); }
.planner-live-error { border-color: #ead6d3; background: #fff7f5; color: #a64b42; }
body.planner-body .planner-notification.alert-danger { border-color: #ead6d3; background: #fff7f5; color: #a64b42; }
body.planner-body .planner-notification.alert-warning { border-color: #eee0bb; background: #fffaf0; color: #8a6a28; }

.planner-card, .planner-project-card, .planner-task-card, .planner-empty { background: transparent; border: 0; border-radius: 0; box-shadow: none; }
.planner-card { padding: 0 0 30px; margin-bottom: 34px; border-bottom: 1px solid var(--planner-line); }
.planner-new-task { margin: 0 0 46px; }
.planner-new-task > summary { display: inline-flex; align-items: center; padding: 8px 0; color: var(--planner-muted); font-size: 14px; font-weight: 600; cursor: pointer; list-style: none; }
.planner-new-task > summary::-webkit-details-marker { display: none; }
.planner-new-task > summary:hover { color: var(--planner-ink); }
.planner-new-task[open] > summary { margin-bottom: 20px; color: var(--planner-ink); }
.planner-new-task .planner-card { margin-bottom: 0; }
.planner-card h2, .planner-section-heading h2 { margin: 0; color: var(--planner-ink); font-size: 24px; font-weight: 650; letter-spacing: -.03em; }
.planner-section-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin: 0 0 12px; }
.planner-section-heading > span { color: var(--planner-muted); font-size: 13px; }
.planner-section-help { margin: 4px 0 0; color: var(--planner-muted); font-size: 13px; font-weight: 400; }
.planner-overview { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin: 0 0 46px; border-top: 1px solid var(--planner-line); border-bottom: 1px solid var(--planner-line); }
.planner-overview div { display: flex; flex-direction: column; gap: 3px; padding: 15px 18px; border-right: 1px solid var(--planner-line); }
.planner-overview div:last-child { border-right: 0; }
.planner-overview strong { color: var(--planner-ink); font-size: 23px; font-weight: 600; }
.planner-overview span { color: var(--planner-muted); font-size: 12px; }
.planner-overall-progress { margin: 0 0 42px; }
.planner-progress-label { display: flex; justify-content: space-between; margin-bottom: 7px; color: var(--planner-muted); font-size: 13px; }
.planner-progress-label strong { color: var(--planner-ink); font-weight: 600; }
.planner-progress-track { width: 100%; height: 6px; overflow: hidden; border-radius: 99px; background: #ecebe8; }
.planner-progress-track span { display: block; height: 100%; border-radius: inherit; background: #6f9b7b; transition: width .25s ease; }
.planner-day-group { margin-bottom: 46px; }
.planner-day-header { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding-bottom: 12px; }
.planner-day-title { display: flex; align-items: center; gap: 12px; }
.planner-day-title h3 { margin: 0; color: var(--planner-ink); font-size: 21px; font-weight: 600; }
.planner-day-title span:not(.planner-date-calendar) { color: var(--planner-muted); font-size: 12px; }
.planner-day-progress { display: flex; align-items: flex-end; flex-direction: column; color: var(--planner-muted); font-size: 12px; }
.planner-day-progress strong { color: #6f9b7b; font-size: 18px; font-weight: 600; }
.planner-progress-day { height: 3px; margin-bottom: 4px; }
.planner-day-tasks .planner-task-card:first-child { border-top: 0; }
.planner-form { display: grid; gap: 9px; }
.planner-form label { color: var(--planner-muted); font-size: 12px; font-weight: 600; }
.planner-form label span { font-weight: 400; }
.planner-form input, .planner-form textarea, .planner-form select, .planner-inline-form input { box-sizing: border-box; width: 100%; margin: 0 0 8px; padding: 10px 12px; border: 1px solid #d9d9d6; border-radius: 5px; background: #fff; color: var(--planner-ink); font: inherit; font-size: 14px; outline: none; }
.planner-form input:focus, .planner-form textarea:focus, .planner-form select:focus, .planner-inline-form input:focus { border-color: var(--planner-purple); box-shadow: 0 0 0 2px rgba(105,64,165,.12); }
.planner-form textarea { resize: vertical; }
.planner-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.planner-form .app-button { justify-self: start; margin-top: 5px; }
.planner-project-list, .planner-task-list { display: grid; gap: 0; }
.planner-project-card { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 19px 0; border-bottom: 1px solid var(--planner-line); color: var(--planner-ink); text-decoration: none !important; transition: background .15s; }
.planner-project-card:hover { background: #fafaf9; color: var(--planner-ink); }
.planner-project-card h3, .planner-task-card h3 { margin: 0; color: var(--planner-ink); font-size: 16px; font-weight: 600; }
.planner-project-card p, .planner-task-card p { max-width: 720px; margin: 6px 0 0; color: var(--planner-muted); font-size: 14px; line-height: 1.5; }
.planner-project-progress { display: flex; align-items: flex-end; flex-direction: column; color: var(--planner-muted); font-size: 12px; white-space: nowrap; }
.planner-project-progress strong { color: var(--planner-ink); font-size: 16px; font-weight: 600; }
.planner-empty { display: flex; flex-direction: column; gap: 6px; padding: 42px 20px; border-top: 1px solid var(--planner-line); border-bottom: 1px solid var(--planner-line); color: var(--planner-muted); text-align: center; }
.planner-empty strong { color: var(--planner-ink); font-weight: 600; }

.planner-task-card { padding: 16px 0; border-top: 1px solid var(--planner-line); border-left: 0; }
.planner-task-card.planner-task-doing { border-left: 0; }
.planner-task-card.planner-task-done { border-left: 0; background: transparent; }
.planner-task-card.planner-task-done h3 { color: var(--planner-muted); text-decoration: line-through; }
.planner-task-heading { display: grid; grid-template-columns: 25px minmax(0, 1fr); align-items: start; gap: 13px; }
.planner-task-check-form { grid-column: 1; grid-row: 1; }
.planner-task-heading > div { grid-column: 2; }
.planner-task-heading-no-checkbox { display: block; }
.planner-task-heading-no-checkbox > div { width: 100%; }
.planner-task-checkbox { display: inline-flex !important; width: 21px !important; min-width: 21px !important; height: 21px; min-height: 21px !important; padding: 0 !important; border: 1px solid #aaa9a3 !important; border-radius: 2px !important; background: #fff !important; color: var(--planner-green) !important; font-size: 0 !important; line-height: 1; }
.planner-task-checkbox::after { content: ''; display: block; width: 9px; height: 5px; border-bottom: 2px solid currentColor; border-left: 2px solid currentColor; opacity: 0; transform: rotate(-45deg) translate(1px, -1px); }
.planner-task-checkbox.planner-checkbox-done::after { opacity: 1; }
.planner-task-checkbox:hover { border-color: var(--planner-green) !important; background: #f5faf6 !important; }
.planner-task-date-heading { margin-bottom: 10px; }
.planner-task-meta { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 12px; color: var(--planner-muted); font-size: 12px; }
.planner-task-meta > span:not(.planner-status)::before { content: '·'; margin-right: 7px; color: #b5b5b2; }
.planner-task-meta .planner-date::before { content: none; }
.planner-date { display: inline-flex; align-items: center; gap: 4px; padding: 3px 7px; border-radius: 4px; background: #fff3ee; color: #b6533f; font-weight: 600; }
.planner-date-calendar { display: inline-flex; align-items: center; flex-direction: column; width: 52px; overflow: hidden; border: 1px solid #d8d8d4; border-radius: 6px; background: #fff; line-height: 1; box-shadow: 0 1px 2px rgba(0,0,0,.04); }
.planner-date-calendar small { display: block; width: 100%; padding: 5px 0 4px; background: #e95b65; color: #fff; font-size: 11px; font-weight: 700; letter-spacing: .05em; text-align: center; }
.planner-date-calendar strong { display: block; padding: 6px 0 8px; color: #60605b; font-size: 27px; font-weight: 600; }
.planner-status { padding: 3px 8px; border-radius: 4px; background: #f1f1ef; color: #676762; font-weight: 600; }
.planner-task-doing .planner-status { background: #e9f1f8; color: #47769c; }
.planner-task-done .planner-status { background: #e8f3ed; color: #448361; }
.planner-status-form { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 5px; }
.planner-status-form button, .planner-inline-form button { padding: 7px 10px; border: 1px solid transparent; border-radius: 5px; background: transparent; color: var(--planner-muted); font-size: 12px; cursor: pointer; }
.planner-status-form button:hover, .planner-inline-form button:hover { border-color: #cfc7de; background: #faf8fd; color: var(--planner-purple); }
.planner-related-activities { max-width: 760px; margin: 6px 0 0 38px; }
.planner-activity-list .planner-check-item { margin: 0; }
.planner-activity-row { display: flex; align-items: center; justify-content: flex-start; gap: 12px; width: 100%; margin: 0; padding: 5px 0; color: var(--planner-ink); font-size: 16px; line-height: 1.45; }
.planner-activity-row > span { flex: 1; }
.planner-activity-row.planner-activity-done > span { color: var(--planner-muted); text-decoration: line-through; }
.planner-check-item.planner-activity-row { margin: 0; }
.planner-activity-list .planner-check-item button.planner-check-toggle { display: inline-flex !important; flex: 0 0 20px; width: 20px !important; min-width: 20px !important; height: 20px; min-height: 20px !important; padding: 0 !important; border: 1px solid #aaa9a3 !important; border-radius: 2px !important; background: #fff !important; color: #448361 !important; font-size: 0 !important; line-height: 1; }
.planner-activity-list .planner-check-item button.planner-check-toggle::after { content: ''; display: block; width: 9px; height: 5px; border-bottom: 2px solid currentColor; border-left: 2px solid currentColor; opacity: 0; transform: rotate(-45deg) translate(1px, -1px); }
.planner-activity-list .planner-check-item button.planner-check-toggle.planner-checkbox-done::after { opacity: 1; }
.planner-check-item { display: flex; align-items: center; gap: 8px; margin: 7px 0; }
.planner-check-item button { display: inline-flex !important; width: 20px !important; min-width: 20px !important; height: 20px; min-height: 20px !important; padding: 0 !important; border: 1px solid #bdbdb8 !important; border-radius: 4px; background: #fff !important; color: var(--planner-green) !important; font-size: 14px; line-height: 1; cursor: pointer; }
.planner-check-item button:hover { border-color: var(--planner-green); }
.planner-check-complete { color: #a09f9a; text-decoration: line-through; }
.planner-inline-form { display: flex; gap: 7px; margin-top: 12px; }
.planner-inline-form input { min-width: 0; margin: 0; padding: 8px 10px; font-size: 13px; }
.planner-subtask-form { opacity: .72; }
.planner-help { margin: 8px 0; color: var(--planner-muted); font-size: 13px; line-height: 1.5; }
.planner-help a { color: var(--planner-purple); font-weight: 600; }
.planner-openai-guide { padding-bottom: 24px; }
.planner-openai-guide h2 { margin-top: 7px; }
.planner-download-button { display: inline-flex; margin-top: 12px; min-height: 42px; align-items: center; justify-content: center; }
.planner-import-error { display: grid; gap: 4px; margin: 16px 0; padding: 12px 14px; border: 1px solid #ead6d3; border-radius: 5px; background: #fff7f5; color: #a64b42; font-size: 13px; line-height: 1.45; }
.planner-import-error strong { color: #853b34; }
.planner-confirm-page { display: flex; align-items: center; justify-content: center; min-height: 60vh; }
.planner-confirm-card { width: min(520px, 100%); padding: 30px; border: 1px solid var(--planner-line); background: #fff; }
.planner-confirm-card h1 { margin: 8px 0 12px; font-size: 25px; }
.planner-confirm-card p { color: var(--planner-muted); line-height: 1.6; }
.planner-confirm-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 24px; }
.planner-danger-button { border-color: #e2b8b2 !important; color: #a64b42 !important; }
.planner-yaml-example pre { margin: 16px 0 0; padding: 18px; overflow-x: auto; border: 1px solid #e6e5e2; border-radius: 6px; background: var(--planner-soft); color: #4d4b46; font-size: 13px; line-height: 1.55; }
.planner-preview-card h2 { margin-bottom: 6px; }
.planner-preview-list { margin: 18px 0 0; padding: 0; list-style: none; }
.planner-preview-list li { padding: 11px 0; border-bottom: 1px solid var(--planner-line); }
.planner-preview-list li:last-child { border-bottom: 0; }
.planner-preview-meta { margin-left: 8px; color: var(--planner-muted); font-size: 12px; }
.planner-preview-date { display: inline-flex; align-items: center; gap: 7px; margin-left: 8px; color: #60605b; font-size: 12px; font-weight: 600; }
.planner-preview-list small { display: block; margin-top: 5px; color: var(--planner-muted); font-size: 12px; }
.planner-preview-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 22px; }
.planner-preview-actions form { margin: 0; }

@media screen and (max-width: 767px) {
  .planner-page { width: calc(100% - 28px); padding-top: 30px; }
  .planner-header, .planner-task-heading, .planner-project-card { align-items: stretch; flex-direction: column; }
  .planner-header { gap: 20px; margin-bottom: 28px; }
  .planner-sticky-header { margin: 0 -14px 22px; padding: 16px 14px 14px; }
  .planner-header h1 { font-size: 30px; }
  .planner-header-actions { justify-content: flex-start; padding-top: 0; }
  .planner-guide { margin: -5px 0 30px; }
  .planner-header-actions .app-button { flex: 1 1 100%; min-height: 44px; }
  .planner-card { padding: 18px 16px; margin-bottom: 20px; }
  .planner-download-button { width: 100%; }
  .planner-form-grid { grid-template-columns: 1fr; gap: 0; }
  .planner-overview { grid-template-columns: repeat(2, 1fr); margin-bottom: 32px; }
  .planner-overview div:nth-child(2) { border-right: 0; }
  .planner-overview div:nth-child(-n+2) { border-bottom: 1px solid var(--planner-line); }
  .planner-day-header { align-items: flex-start; flex-direction: column; gap: 10px; }
  .planner-day-progress { align-items: flex-start; }
  .planner-form input, .planner-form textarea, .planner-form select { min-height: 44px; font-size: 16px; }
  .planner-form textarea { min-height: 90px; }
  .planner-form .app-button { width: 100%; min-height: 44px; }
  .planner-project-progress { align-items: flex-start; }
  .planner-status-form { justify-content: flex-start; }
  .planner-status-form button, .planner-inline-form button { min-height: 40px; padding: 8px 12px; }
  .planner-task-card { padding: 17px 15px; }
  .planner-task-heading { gap: 15px; }
  .planner-status-form { display: grid; grid-template-columns: repeat(3, 1fr); width: 100%; }
  .planner-status-form button { width: 100%; }
  .planner-inline-form { align-items: stretch; }
  .planner-inline-form input { min-height: 40px; font-size: 16px; }
  .planner-inline-form button { flex: 0 0 auto; }
  .planner-preview-list li { padding: 13px 0; }
  .planner-preview-actions { align-items: stretch; flex-direction: column; }
  .planner-preview-actions .app-button { width: 100%; }
}

@media screen and (max-width: 420px) {
  .planner-page { width: calc(100% - 22px); padding-bottom: 42px; }
  .planner-header h1 { font-size: 27px; }
  .planner-project-card { padding: 16px; }
  .planner-status-form { grid-template-columns: 1fr; }
  .planner-inline-form { flex-wrap: wrap; }
  .planner-inline-form input { flex: 1 1 100%; }
  .planner-inline-form button { width: 100%; }
  .planner-yaml-example pre { margin-right: -2px; margin-left: -2px; font-size: 12px; }
}