/* ============================================================
   秘書アプリ - スタイル
   配色は :root の変数で管理し、OS のダークモードにも対応します。
   ============================================================ */

:root {
  /* スクロールバーなど、ブラウザ標準の部品も配色に合わせる */
  color-scheme: light dark;

  --bg: #f3f5f9;
  --bg-glow-1: rgba(99, 102, 241, 0.14);
  --bg-glow-2: rgba(14, 165, 233, 0.10);

  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --surface-hover: #f6f8fc;

  --border: rgba(15, 23, 42, 0.09);
  --border-strong: rgba(15, 23, 42, 0.16);

  --text: #0f172a;
  --text-soft: #475569;
  --muted: #7b8798;

  --accent: #4f46e5;
  --accent-2: #7c3aed;
  --accent-soft: rgba(79, 70, 229, 0.10);
  --accent-ring: rgba(79, 70, 229, 0.22);

  --warn: #d97706;
  --warn-soft: rgba(217, 119, 6, 0.10);
  --warn-border: rgba(217, 119, 6, 0.28);

  --ok: #059669;
  --ok-soft: rgba(5, 150, 105, 0.10);
  --ok-border: rgba(5, 150, 105, 0.26);

  --danger: #dc2626;
  --danger-soft: rgba(220, 38, 38, 0.08);
  --danger-border: rgba(220, 38, 38, 0.26);

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow: 0 6px 20px -8px rgba(15, 23, 42, 0.16), 0 1px 3px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 18px 40px -18px rgba(15, 23, 42, 0.30);

  --radius-lg: 18px;
  --radius: 12px;
  --radius-sm: 9px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1020;
    --bg-glow-1: rgba(99, 102, 241, 0.22);
    --bg-glow-2: rgba(14, 165, 233, 0.14);

    --surface: #141b2d;
    --surface-soft: #1a2233;
    --surface-hover: #1c2436;

    --border: rgba(255, 255, 255, 0.09);
    --border-strong: rgba(255, 255, 255, 0.18);

    --text: #e8ecf6;
    --text-soft: #b6c0d4;
    --muted: #8b97ad;

    --accent: #818cf8;
    --accent-2: #a78bfa;
    --accent-soft: rgba(129, 140, 248, 0.14);
    --accent-ring: rgba(129, 140, 248, 0.30);

    --warn: #fbbf24;
    --warn-soft: rgba(251, 191, 36, 0.12);
    --warn-border: rgba(251, 191, 36, 0.30);

    --ok: #34d399;
    --ok-soft: rgba(52, 211, 153, 0.12);
    --ok-border: rgba(52, 211, 153, 0.28);

    --danger: #f87171;
    --danger-soft: rgba(248, 113, 113, 0.12);
    --danger-border: rgba(248, 113, 113, 0.30);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
    --shadow: 0 8px 24px -12px rgba(0, 0, 0, 0.7), 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 24px 48px -24px rgba(0, 0, 0, 0.8);
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(900px 460px at 8% -8%, var(--bg-glow-1), transparent 62%),
    radial-gradient(760px 420px at 105% 0%, var(--bg-glow-2), transparent 60%),
    var(--bg);
  background-attachment: fixed;
  color: var(--text);
  font-family: "Inter", "Segoe UI", "Yu Gothic UI", "Hiragino Kaku Gothic ProN",
    "Hiragino Sans", "Noto Sans JP", "Meiryo", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ---------------------------- ヘッダー ---------------------------- */

.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 82%, transparent);
  -webkit-backdrop-filter: saturate(1.6) blur(14px);
  backdrop-filter: saturate(1.6) blur(14px);
}

@supports not (background: color-mix(in srgb, red 50%, blue)) {
  .app-header { background: var(--surface); }
}

.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 12px;
  color: #fff;
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
  box-shadow: 0 8px 18px -8px var(--accent);
}

.brand-mark svg { width: 21px; height: 21px; }

.brand-text { min-width: 0; }

.app-header h1 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.subtitle {
  margin: 0;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.today {
  margin: 0;
  font-size: 12.5px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* ---------------------------- レイアウト ---------------------------- */

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 26px 24px 64px;
}

.columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: start;
}

.column {
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-width: 0;
}

/* ----------------------------- パネル ----------------------------- */

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow);
}

.panel-dashboard {
  margin-bottom: 20px;
  padding: 22px;
}

.panel-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.panel-head h2 {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-soft);
}

.head-icon {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  color: var(--accent);
  background: var(--accent-soft);
}

.head-icon svg { width: 15px; height: 15px; }

.count {
  margin-left: auto;
  min-width: 26px;
  padding: 1px 9px;
  border-radius: 999px;
  background: var(--surface-soft);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  text-align: center;
}

/* -------------------------- ダッシュボード -------------------------- */

.dashboard {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.stat {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "icon label"
    "icon value";
  align-items: center;
  column-gap: 13px;
  padding: 15px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-soft);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.stat::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  opacity: 0.85;
}

.stat-accent::after { background: var(--warn); }

.stat:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.stat-icon {
  grid-area: icon;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 11px;
  color: var(--accent);
  background: var(--accent-soft);
}

.stat-accent .stat-icon {
  color: var(--warn);
  background: var(--warn-soft);
}

.stat-icon svg { width: 20px; height: 20px; }

.stat-label {
  grid-area: label;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.03em;
}

.stat-value {
  grid-area: value;
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-size: 30px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.stat-accent .stat-value { color: var(--warn); }

.stat-unit {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
}

/* 完了率バー */
.progress { margin-top: 16px; }

.progress-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.03em;
  margin-bottom: 7px;
}

#progress-label {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--text-soft);
}

.progress-track {
  height: 7px;
  border-radius: 999px;
  background: var(--surface-soft);
  border: 1px solid var(--border);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ----------------------------- フォーム ----------------------------- */

.form { display: flex; flex-direction: column; gap: 13px; }

.field { display: flex; flex-direction: column; gap: 6px; }

.field-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.03em;
}

input[type="text"],
textarea {
  width: 100%;
  padding: 10px 13px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  color: inherit;
  font: inherit;
  line-height: 1.6;
  resize: vertical;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

input[type="text"]::placeholder,
textarea::placeholder { color: var(--muted); opacity: 0.75; }

input[type="text"]:hover,
textarea:hover { background: var(--surface-hover); }

input[type="text"]:focus,
textarea:focus {
  outline: none;
  background: var(--surface);
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-ring);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 9px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.14s ease, box-shadow 0.18s ease, background 0.18s ease, opacity 0.18s ease;
}

.btn svg { width: 15px; height: 15px; }

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px var(--accent-ring);
}

.btn-primary {
  align-self: flex-start;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 10px 20px -12px var(--accent);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 26px -12px var(--accent);
}

.btn-primary:active { transform: translateY(0); }

.btn-icon {
  width: 30px;
  height: 30px;
  padding: 0;
  flex-shrink: 0;
  border-radius: 9px;
  color: var(--muted);
  background: transparent;
  opacity: 0.75;
}

.btn-icon svg { width: 15px; height: 15px; }

.btn-icon:hover {
  opacity: 1;
  color: var(--danger);
  background: var(--danger-soft);
}

/* ------------------------------ 一覧 ------------------------------ */

.list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.item {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 13px 15px;
  background: var(--surface);
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
  animation: rise 0.28s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.item:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-sm);
}

@keyframes rise {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

.item-title {
  margin: 0;
  font-size: 15px;
  font-weight: 650;
  line-height: 1.55;
  letter-spacing: 0.01em;
  word-break: break-word;
}

.item-body {
  margin: 7px 0 0;
  padding-left: 11px;
  border-left: 2px solid var(--border);
  color: var(--text-soft);
  font-size: 14px;
  white-space: pre-wrap;
  word-break: break-word;
}

.item-meta {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  font-size: 11.5px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.meta-time {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.meta-time svg { width: 12px; height: 12px; opacity: 0.8; }

/* タスク */
.task-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.task-main { flex: 1; min-width: 0; }

.task-check {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  margin: 2px 0 0;
  width: 21px;
  height: 21px;
  flex-shrink: 0;
  border: 1.8px solid var(--border-strong);
  border-radius: 7px;
  background: var(--surface-soft);
  cursor: pointer;
  transition: background 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
}

.task-check:hover { border-color: var(--ok); }

.task-check:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px var(--ok-soft);
}

.task-check::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0.6);
  opacity: 0;
  transition: opacity 0.16s ease, transform 0.16s ease;
}

.task-check:checked {
  background: var(--ok);
  border-color: var(--ok);
}

.task-check:checked::after {
  opacity: 1;
  transform: rotate(45deg) scale(1);
}

.item-task { border-left: 3px solid var(--warn); }

.item-task.done {
  border-left-color: var(--ok);
  background: var(--surface-soft);
}

.item-task.done .item-title {
  color: var(--muted);
  text-decoration: line-through;
  text-decoration-thickness: 1px;
  text-decoration-color: var(--border-strong);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 1px 9px;
  border-radius: 999px;
  border: 1px solid;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.badge::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
}

.badge-open {
  color: var(--warn);
  border-color: var(--warn-border);
  background: var(--warn-soft);
}

.badge-done {
  color: var(--ok);
  border-color: var(--ok-border);
  background: var(--ok-soft);
}

/* --------------------------- 空・エラー表示 --------------------------- */

.empty {
  margin: 0;
  padding: 26px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 9px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.empty-icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: var(--surface-soft);
  opacity: 0.9;
}

.empty-icon svg { width: 19px; height: 19px; }

.error {
  margin: 0 0 20px;
  padding: 12px 15px;
  border: 1px solid var(--danger-border);
  border-radius: var(--radius);
  background: var(--danger-soft);
  color: var(--danger);
  font-size: 13.5px;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
  animation: rise 0.24s ease both;
}

/* ---------------------------- レスポンシブ ---------------------------- */

@media (max-width: 900px) {
  .columns { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .header-inner { padding: 12px 16px; }
  .today { display: none; }
  .container { padding: 18px 16px 48px; }
  .dashboard { grid-template-columns: 1fr; }
  .panel { padding: 16px; border-radius: var(--radius); }
  .stat-value { font-size: 26px; }
}