@import url("https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@500;700;800&display=swap");

:root {
  --blue: #3b7bff;
  --blue-deep: #1f52d6;
  --orange: #ff7a45;
  --yellow: #ffd23f;
  --danger: #ff4d4f;
  --ink: #12294f;
  --canvas: #f8faff;
  --surface: #ffffff;
  --surface-done: #f0f4ff;
  --muted: #55607a;
  --border-w: 2.5px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: "Plus Jakarta Sans", "Hiragino Sans", "Noto Sans JP", sans-serif;
  font-weight: 500;
  padding-inline: 20px;
  padding-block: 24px 60px;
  max-width: 1160px;
  margin-inline: auto;
}

h1, h2, h3 {
  font-weight: 800;
  margin: 0;
}

button, input, textarea {
  font: inherit;
  color: inherit;
}

/* ---- layout ---- */
header.app {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  padding-block-end: 16px;
  border-bottom: var(--border-w) solid var(--ink);
  margin-block-end: 20px;
}
header .brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
header .brand h1 {
  font-size: 1.4rem;
}
.progress-pill {
  background: var(--yellow);
  border: var(--border-w) solid var(--ink);
  border-radius: 999px;
  padding: 5px 14px;
  font-weight: 700;
  font-size: 0.85rem;
}
.date-label {
  font-weight: 700;
  color: var(--muted);
  font-size: 0.9rem;
}

.layout {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 20px;
  align-items: start;
}
@media (max-width: 760px) {
  .layout { grid-template-columns: 1fr; }
}

/* ---- pop-brutalist card ---- */
.card {
  background: var(--surface);
  border: var(--border-w) solid var(--ink);
  border-radius: 1rem;
  box-shadow: 5px 5px 0 var(--ink);
  padding: 20px;
}
.card + .card { margin-block-start: 18px; }

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-block-end: 14px;
}
.card-head h2 { font-size: 1.05rem; }
.card-head .count { color: var(--muted); font-weight: 700; font-size: 0.85rem; margin-inline-start: 6px; }

/* ---- buttons ---- */
.btn {
  border: var(--border-w) solid var(--ink);
  border-radius: 0.75rem;
  padding: 10px 16px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  box-shadow: 3px 3px 0 var(--ink);
  transition: transform 0.08s ease, box-shadow 0.08s ease;
  background: var(--surface);
  color: var(--ink);
}
.btn:hover { transform: translate(-1px, -1px); box-shadow: 4px 4px 0 var(--ink); }
.btn:active, .btn.pressed { transform: translate(3px, 3px); box-shadow: 1px 1px 0 var(--ink); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: 3px 3px 0 var(--ink); }
.btn-primary { background: var(--blue); color: #fff; }
.btn-accent { background: var(--orange); color: #fff; }
.btn-yellow { background: var(--yellow); color: var(--ink); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-ghost { background: var(--surface); }
.btn-block { width: 100%; }

/* ---- form fields ---- */
.field { display: flex; flex-direction: column; gap: 5px; }
.field label { font-size: 0.78rem; font-weight: 700; color: var(--muted); }
.field input[type="text"],
.field input[type="date"],
.field textarea {
  background: var(--canvas);
  border: var(--border-w) solid var(--ink);
  border-radius: 0.75rem;
  padding: 10px 12px;
  font-size: 0.92rem;
}
.field textarea { resize: vertical; min-height: 60px; line-height: 1.5; }
.field input:focus-visible, .field textarea:focus-visible {
  outline: none;
  box-shadow: 3px 3px 0 var(--blue);
}
.form-row { display: flex; gap: 12px; flex-wrap: wrap; }
.form-row .field { flex: 1 1 160px; }
.form-actions { display: flex; gap: 10px; margin-block-start: 18px; flex-wrap: wrap; }

/* ---- task rows ---- */
ul.tasks { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
li.task {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  border: var(--border-w) solid var(--ink);
  border-radius: 0.75rem;
  background: var(--canvas);
  padding: 12px;
}
li.task.done { background: var(--surface-done); }
li.task input[type="checkbox"] {
  appearance: none;
  width: 24px;
  height: 24px;
  border: var(--border-w) solid var(--ink);
  border-radius: 6px;
  background: #fff;
  flex: none;
  cursor: pointer;
  display: grid;
  place-content: center;
}
li.task input[type="checkbox"]::after {
  content: "";
  width: 12px;
  height: 12px;
  clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
  background: transparent;
}
li.task input[type="checkbox"]:checked { background: var(--orange); }
li.task input[type="checkbox"]:checked::after { background: #fff; }

.task-main { flex: 1; min-width: 0; }
.task-name { font-weight: 700; }
li.task.done .task-name { text-decoration: line-through; color: var(--muted); }
.task-meta { display: flex; gap: 8px; flex-wrap: wrap; margin-block-start: 4px; }
.task-memo { color: var(--muted); font-size: 0.82rem; margin-block-start: 4px; white-space: pre-wrap; }

.badge {
  border: 2px solid var(--ink);
  border-radius: 999px;
  padding: 1px 9px;
  font-size: 0.74rem;
  font-weight: 700;
}
.badge.due-future { background: #fff; }
.badge.due-today { background: var(--yellow); }
.badge.due-over { background: var(--danger); color: #fff; }
.badge.completed-on { background: var(--surface-done); color: var(--muted); }

.task-actions { display: flex; gap: 4px; flex: none; }
.icon-btn {
  background: #fff;
  border: 2px solid var(--ink);
  border-radius: 6px;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.95rem;
}
.icon-btn:hover { background: var(--canvas); }
.icon-btn.danger:hover { background: var(--danger); color: #fff; }

.empty { color: var(--muted); font-size: 0.88rem; padding: 8px 2px; font-weight: 600; }

.past-toggle {
  background: none;
  border: none;
  color: var(--blue-deep);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 6px 0;
  cursor: pointer;
  text-decoration: underline;
}
#pastDoneList { margin-block-start: 8px; }
#pastDoneList li.task { opacity: 0.85; }

/* ---- summary card ---- */
.summary-count { font-size: 2.6rem; font-weight: 800; line-height: 1; }
.summary-label { color: var(--muted); font-weight: 700; font-size: 0.85rem; margin-block-start: 2px; }
.summary-names { display: flex; flex-wrap: wrap; gap: 6px; margin-block: 14px; }
.chip {
  background: var(--yellow);
  border: 2px solid var(--ink);
  border-radius: 999px;
  padding: 4px 11px;
  font-size: 0.8rem;
  font-weight: 700;
}
.report-hint { color: var(--muted); font-size: 0.78rem; margin-block-start: 8px; text-align: center; font-weight: 600; }

/* ---- modal ---- */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(18, 41, 79, 0.45);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 20;
}
.overlay[hidden] { display: none; }
.modal {
  background: var(--surface);
  border: var(--border-w) solid var(--ink);
  border-radius: 1rem;
  box-shadow: 7px 7px 0 var(--ink);
  max-width: 540px;
  width: 100%;
  padding: 22px 24px;
  max-height: 88vh;
  overflow-y: auto;
}
.modal h3 { font-size: 1.15rem; margin-block-end: 16px; }
.modal .modal-sub { color: var(--muted); font-size: 0.85rem; margin-block: -8px 16px; font-weight: 600; }

.mail-preview .field { margin-block-end: 10px; }
.mail-preview textarea { font-family: "Plus Jakarta Sans", "Hiragino Sans", "Noto Sans JP", sans-serif; }

.status-line {
  margin-block-start: 14px;
  padding: 9px 12px;
  border-radius: 8px;
  font-size: 0.86rem;
  font-weight: 700;
  border: 2px solid var(--ink);
}
.status-line.saving { background: var(--canvas); color: var(--muted); }
.status-line.done { background: var(--surface-done); color: #1f7a3d; border-color: #1f7a3d; }
.status-line.error { background: #ffe6e6; color: var(--danger); border-color: var(--danger); }
.status-line[hidden] { display: none; }

@media (prefers-reduced-motion: no-preference) {
  .modal { animation: pop 0.15s ease-out; }
}
@keyframes pop {
  from { opacity: 0; transform: scale(0.97); }
  to { opacity: 1; transform: scale(1); }
}