/* ============================================================
   Midori Dashboard ー デザインシステム
   テーマ: 深緑(forest) × 苔緑(moss) を基調にした
           「育てるダッシュボード」のビジュアル言語
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* --- color: light (default) --- */
  --color-bg: #F5F8F1;
  --color-bg-elevated: #FFFFFF;
  --color-surface: #FFFFFF;
  --color-surface-alt: #EDF2E6;
  --color-border: #DCE6D2;
  --color-border-strong: #C3D6B8;

  --color-ink: #16261C;
  --color-ink-muted: #5C6F60;
  --color-ink-faint: #8AA08D;

  --color-primary: #1B4332;     /* sidebar / deep accents */
  --color-primary-700: #163B2B;
  --color-primary-light: #2D6A4F;
  --color-accent: #40916C;      /* main interactive green */
  --color-accent-strong: #2D6A4F;
  --color-accent-soft: #95D5B2;
  --color-highlight: #D8F3DC;

  --color-amber: #C98A2E;
  --color-amber-soft: #F4E3C2;
  --color-red: #C1473A;
  --color-red-soft: #F6DCD8;
  --color-blue: #3D6FA8;
  --color-blue-soft: #DCE8F4;

  --font-display: 'Fraunces', 'Hiragino Mincho ProN', serif;
  --font-body: 'Plus Jakarta Sans', 'Hiragino Sans', 'Yu Gothic', sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 2px rgba(22, 38, 28, 0.06);
  --shadow-md: 0 6px 20px rgba(22, 38, 28, 0.09);
  --shadow-lg: 0 16px 40px rgba(22, 38, 28, 0.16);

  --sidebar-width: 252px;
  --topbar-height: 68px;

  --space-1: 4px;  --space-2: 8px;  --space-3: 12px; --space-4: 16px;
  --space-5: 24px; --space-6: 32px; --space-7: 48px; --space-8: 64px;

  --transition: 160ms cubic-bezier(.4,0,.2,1);
}

[data-theme="dark"] {
  --color-bg: #0E1B14;
  --color-bg-elevated: #15261C;
  --color-surface: #15261C;
  --color-surface-alt: #1B2E22;
  --color-border: #25402F;
  --color-border-strong: #2F4F3A;

  --color-ink: #E9F3EB;
  --color-ink-muted: #A2BBA8;
  --color-ink-faint: #6E8A76;

  --color-primary: #0A1712;
  --color-primary-700: #060F0B;
  --color-primary-light: #1B4332;
  --color-accent: #52B788;
  --color-accent-strong: #74C69D;
  --color-accent-soft: #2D6A4F;
  --color-highlight: #1F3A2A;

  --color-amber-soft: #3A2E16;
  --color-red-soft: #3A2018;
  --color-blue-soft: #182A3A;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 6px 20px rgba(0,0,0,0.35);
  --shadow-lg: 0 16px 40px rgba(0,0,0,0.5);
}

/* ---------------- Reset ---------------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background var(--transition), color var(--transition);
}
h1, h2, h3, h4 { font-family: var(--font-display); margin: 0 0 var(--space-2); color: var(--color-ink); font-weight: 600; }
h1 { font-size: 28px; letter-spacing: -0.01em; }
h2 { font-size: 21px; }
h3 { font-size: 17px; }
p { margin: 0 0 var(--space-3); }
a { color: var(--color-accent-strong); text-decoration: none; }
a:hover { text-decoration: underline; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.mono { font-family: var(--font-mono); }

/* ---------------- App shell ---------------- */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background: var(--color-primary);
  background-image:
    radial-gradient(circle at 18% 8%, rgba(255,255,255,0.045) 0, transparent 45%),
    repeating-linear-gradient(125deg, rgba(255,255,255,0.025) 0 2px, transparent 2px 26px);
  color: #EAF3EC;
  display: flex;
  flex-direction: column;
  padding: var(--space-5) var(--space-4);
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 40;
  transition: transform var(--transition);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0 var(--space-2) var(--space-5);
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  color: #fff;
}
.brand .leaf { width: 26px; height: 26px; flex-shrink: 0; }

.nav-section-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(234,243,236,0.45);
  padding: var(--space-4) var(--space-3) var(--space-2);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 10px var(--space-3);
  border-radius: var(--radius-sm);
  color: rgba(234,243,236,0.82);
  font-weight: 500;
  font-size: 14px;
  transition: background var(--transition), color var(--transition);
  position: relative;
}
.nav-link svg { width: 18px; height: 18px; flex-shrink: 0; opacity: 0.9; }
.nav-link:hover { background: rgba(255,255,255,0.08); text-decoration: none; color: #fff; }
.nav-link.active { background: rgba(255,255,255,0.14); color: #fff; }
.nav-link.active::before {
  content: ""; position: absolute; left: -16px; top: 50%; transform: translateY(-50%);
  width: 4px; height: 18px; background: var(--color-accent-soft); border-radius: var(--radius-pill);
}
.nav-badge {
  margin-left: auto; background: var(--color-red); color: #fff; font-size: 11px;
  font-weight: 700; padding: 1px 6px; border-radius: var(--radius-pill); line-height: 1.5;
}

.sidebar-teams { margin-top: var(--space-2); overflow-y: auto; }
.team-mini {
  display: flex; align-items: center; gap: var(--space-2);
  padding: 8px var(--space-3); border-radius: var(--radius-sm); font-size: 13.5px;
  color: rgba(234,243,236,0.78);
}
.team-mini:hover { background: rgba(255,255,255,0.07); text-decoration: none; }
.team-dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; }

.sidebar-footer {
  margin-top: auto; padding-top: var(--space-4); border-top: 1px solid rgba(255,255,255,0.1);
  display: flex; align-items: center; gap: var(--space-3);
}
.avatar {
  width: 34px; height: 34px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px; color: #fff; flex-shrink: 0; font-family: var(--font-display);
}
.sidebar-footer .user-name { font-size: 13.5px; font-weight: 600; color: #fff; }
.sidebar-footer .user-email { font-size: 11.5px; color: rgba(234,243,236,0.55); }
.logout-mini { margin-left: auto; color: rgba(234,243,236,0.6); }
.logout-mini:hover { color: #fff; }

.main {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.topbar {
  height: var(--topbar-height);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--space-6);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  position: sticky; top: 0; z-index: 30;
}
.topbar h1 { font-size: 19px; margin: 0; }
.topbar-actions { display: flex; align-items: center; gap: var(--space-3); }
.menu-toggle { display: none; }

.content { padding: var(--space-6); flex: 1; }

.icon-btn {
  width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--color-border);
  background: var(--color-surface); display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--color-ink-muted); transition: var(--transition);
}
.icon-btn:hover { background: var(--color-surface-alt); color: var(--color-ink); }
.icon-btn svg { width: 17px; height: 17px; }

/* ---------------- Buttons ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  font-family: var(--font-body); font-weight: 600; font-size: 14px;
  padding: 10px 18px; border-radius: var(--radius-sm); border: 1px solid transparent;
  cursor: pointer; transition: var(--transition); line-height: 1;
}
.btn svg { width: 16px; height: 16px; }
.btn-primary { background: var(--color-accent-strong); color: #fff; }
.btn-primary:hover { background: var(--color-primary-light); }
.btn-ghost { background: transparent; border-color: var(--color-border-strong); color: var(--color-ink); }
.btn-ghost:hover { background: var(--color-surface-alt); }
.btn-danger { background: var(--color-red); color: #fff; }
.btn-danger:hover { opacity: 0.88; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-text { background: none; border: none; color: var(--color-accent-strong); font-weight: 600; padding: 4px; cursor: pointer; }

/* ---------------- Cards ---------------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.card-pad { padding: var(--space-5); }
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
}
.card-header h2 { font-size: 16px; }
.grid { display: grid; gap: var(--space-5); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }

/* Stat card with growth ring */
.stat-card { display: flex; align-items: center; gap: var(--space-4); padding: var(--space-5); }
.stat-card .stat-info { min-width: 0; }
.stat-card .stat-num { font-family: var(--font-mono); font-size: 26px; font-weight: 600; color: var(--color-ink); }
.stat-card .stat-label { font-size: 13px; color: var(--color-ink-muted); margin-top: 2px; }
.ring { flex-shrink: 0; }
.ring circle { transition: stroke-dashoffset 700ms cubic-bezier(.4,0,.2,1); }

/* ---------------- Badges ---------------- */
.badge {
  display: inline-flex; align-items: center; gap: 4px; font-size: 12px; font-weight: 600;
  padding: 3px 9px; border-radius: var(--radius-pill); line-height: 1.5; white-space: nowrap;
}
.badge-dot { width: 7px; height: 7px; border-radius: 50%; }
.badge-low { background: var(--color-highlight); color: var(--color-accent-strong); }
.badge-medium { background: var(--color-amber-soft); color: var(--color-amber); }
.badge-high { background: var(--color-red-soft); color: var(--color-red); }
.badge-todo { background: var(--color-surface-alt); color: var(--color-ink-muted); }
.badge-doing { background: var(--color-blue-soft); color: var(--color-blue); }
.badge-done { background: var(--color-highlight); color: var(--color-accent-strong); }
.badge-team { background: var(--color-surface-alt); color: var(--color-ink-muted); }

/* ---------------- Forms ---------------- */
.field { margin-bottom: var(--space-4); }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--color-ink); }
.field .hint { font-size: 12px; color: var(--color-ink-muted); margin-top: 4px; }
input[type="text"], input[type="email"], input[type="password"], input[type="date"],
input[type="time"], input[type="datetime-local"], input[type="search"], input[type="number"],
select, textarea {
  width: 100%; padding: 10px 12px; border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-strong); background: var(--color-surface);
  color: var(--color-ink); font-family: var(--font-body); font-size: 14px;
  transition: var(--transition);
}
input:focus, select:focus, textarea:focus { border-color: var(--color-accent); }
textarea { resize: vertical; min-height: 80px; }
.field-row { display: flex; gap: var(--space-3); }
.field-row .field { flex: 1; }
.checkbox-row { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.color-options { display: flex; gap: 8px; flex-wrap: wrap; }
.color-swatch {
  width: 28px; height: 28px; border-radius: 50%; cursor: pointer; border: 2px solid transparent;
  transition: var(--transition);
}
.color-swatch.selected { border-color: var(--color-ink); transform: scale(1.1); }

/* ---------------- Modal ---------------- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(14, 27, 20, 0.45);
  display: none; align-items: center; justify-content: center; z-index: 100; padding: var(--space-4);
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--color-surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  width: 100%; max-width: 480px; max-height: 88vh; overflow-y: auto;
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-5) var(--space-5) var(--space-3);
}
.modal-header h2 { margin: 0; }
.modal-body { padding: 0 var(--space-5) var(--space-5); }
.modal-footer { display: flex; justify-content: flex-end; gap: var(--space-2); padding-top: var(--space-2); }
.modal-close { background: none; border: none; cursor: pointer; color: var(--color-ink-muted); font-size: 20px; line-height: 1; }

/* ---------------- Toast / flash ---------------- */
.flash-banner {
  padding: 12px 18px; border-radius: var(--radius-sm); margin-bottom: var(--space-4);
  font-size: 14px; font-weight: 500; display: flex; align-items: center; gap: 8px;
}
.flash-success { background: var(--color-highlight); color: var(--color-accent-strong); }
.flash-error { background: var(--color-red-soft); color: var(--color-red); }
.toast-stack { position: fixed; bottom: var(--space-5); right: var(--space-5); z-index: 200; display: flex; flex-direction: column; gap: 8px; }
.toast {
  background: var(--color-primary); color: #fff; padding: 12px 18px; border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md); font-size: 14px; font-weight: 500; animation: toast-in 200ms ease-out;
}
.toast.error { background: var(--color-red); }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* ---------------- Table ---------------- */
.table { width: 100%; border-collapse: collapse; }
.table th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--color-ink-muted); padding: 10px 14px; border-bottom: 1px solid var(--color-border); }
.table td { padding: 12px 14px; border-bottom: 1px solid var(--color-border); font-size: 14px; vertical-align: middle; }
.table tr:last-child td { border-bottom: none; }
.table tr.is-done .task-title { text-decoration: line-through; color: var(--color-ink-faint); }
.table tr.is-overdue .due-text { color: var(--color-red); font-weight: 600; }

/* ---------------- Kanban ---------------- */
.kanban { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); align-items: start; }
.kanban-col { background: var(--color-surface-alt); border-radius: var(--radius-lg); padding: var(--space-3); min-height: 200px; }
.kanban-col h3 { font-size: 13.5px; text-transform: uppercase; letter-spacing: .04em; color: var(--color-ink-muted); padding: 4px 6px var(--space-3); display: flex; justify-content: space-between; }
.kanban-card {
  background: var(--color-surface); border-radius: var(--radius-md); padding: var(--space-3);
  margin-bottom: var(--space-2); box-shadow: var(--shadow-sm); cursor: grab; border: 1px solid var(--color-border);
}
.kanban-card.dragging { opacity: 0.4; }
.kanban-col.drag-over { background: var(--color-highlight); }
.kanban-card .task-title { font-weight: 600; font-size: 13.5px; margin-bottom: 6px; }
.kanban-card .meta-row { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }

/* ---------------- Filters / toolbar ---------------- */
.toolbar { display: flex; align-items: center; gap: var(--space-3); margin-bottom: var(--space-4); flex-wrap: wrap; }
.segmented { display: inline-flex; background: var(--color-surface-alt); border-radius: var(--radius-pill); padding: 3px; }
.segmented button {
  border: none; background: none; padding: 6px 16px; border-radius: var(--radius-pill); font-size: 13.5px;
  font-weight: 600; color: var(--color-ink-muted); cursor: pointer; transition: var(--transition);
}
.segmented button.active { background: var(--color-surface); color: var(--color-accent-strong); box-shadow: var(--shadow-sm); }
.search-input { position: relative; flex: 1; min-width: 180px; max-width: 280px; }
.search-input svg { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; color: var(--color-ink-faint); }
.search-input input { padding-left: 36px; }
.spacer { flex: 1; }

/* ---------------- Empty state ---------------- */
.empty-state { text-align: center; padding: var(--space-7) var(--space-5); color: var(--color-ink-muted); }
.empty-state svg { width: 56px; height: 56px; color: var(--color-accent-soft); margin-bottom: var(--space-3); }
.empty-state h3 { color: var(--color-ink); margin-bottom: 4px; }

/* ---------------- Auth pages ---------------- */
.auth-shell {
  min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: var(--space-5);
  background: var(--color-primary);
  background-image:
    radial-gradient(circle at 15% 20%, rgba(82,183,136,0.35) 0, transparent 50%),
    radial-gradient(circle at 85% 80%, rgba(149,213,178,0.25) 0, transparent 50%);
}
.auth-card { width: 100%; max-width: 400px; background: var(--color-surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding: var(--space-7) var(--space-6); }
.auth-card .brand { color: var(--color-ink); padding: 0 0 var(--space-5); justify-content: center; font-size: 21px; }
.auth-card h1 { text-align: center; font-size: 20px; }
.auth-sub { text-align: center; color: var(--color-ink-muted); font-size: 13.5px; margin-bottom: var(--space-5); }
.auth-switch { text-align: center; font-size: 13.5px; color: var(--color-ink-muted); margin-top: var(--space-4); }

/* ---------------- Calendar (FullCalendar overrides) ---------------- */
.fc { font-family: var(--font-body); --fc-border-color: var(--color-border); --fc-today-bg-color: var(--color-highlight); }
.fc .fc-toolbar-title { font-family: var(--font-display); font-size: 19px; color: var(--color-ink); }
.fc .fc-button { background: var(--color-surface-alt); border: none; color: var(--color-ink); box-shadow: none; text-transform: none; font-weight: 600; }
.fc .fc-button:hover { background: var(--color-highlight); }
.fc .fc-button-primary:not(:disabled).fc-button-active, .fc .fc-button-primary:not(:disabled):active { background: var(--color-accent-strong); color: #fff; }
.fc-daygrid-day-number, .fc-col-header-cell-cushion { color: var(--color-ink); }
.fc-event { border: none; border-radius: 6px; padding: 1px 4px; font-size: 12.5px; cursor: pointer; }
.fc-daygrid-day.fc-day-today { background: var(--color-highlight) !important; }
.calendar-legend { display: flex; gap: var(--space-4); flex-wrap: wrap; margin-bottom: var(--space-4); align-items: center; }
.legend-item { display: flex; align-items: center; gap: 6px; font-size: 13.5px; }
.legend-item input { width: 14px; height: 14px; accent-color: var(--color-accent); }
.legend-dot { width: 10px; height: 10px; border-radius: 50%; }

/* ---------------- Groups page ---------------- */
.team-card { padding: var(--space-5); display: flex; flex-direction: column; gap: var(--space-2); }
.team-card .team-name-row { display: flex; align-items: center; gap: 10px; }
.team-card .team-color-dot { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; }
.invite-box { display: flex; align-items: center; gap: 8px; background: var(--color-surface-alt); padding: 8px 12px; border-radius: var(--radius-sm); font-family: var(--font-mono); font-size: 14px; letter-spacing: .05em; }
.member-row { display: flex; align-items: center; gap: var(--space-3); padding: 10px 0; border-bottom: 1px solid var(--color-border); }
.member-row:last-child { border-bottom: none; }
.member-row .name { font-weight: 600; font-size: 14px; }
.member-row .role { font-size: 12px; color: var(--color-ink-muted); }

/* ---------------- Responsive ---------------- */
@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; }
  .menu-toggle { display: flex; }
  .grid-cols-4, .grid-cols-3 { grid-template-columns: repeat(2, 1fr); }
  .kanban { grid-template-columns: 1fr; }
  .content { padding: var(--space-4); }
  .topbar { padding: 0 var(--space-4); }
}
@media (max-width: 520px) {
  .grid-cols-4, .grid-cols-3, .grid-cols-2 { grid-template-columns: 1fr; }
  .field-row { flex-direction: column; gap: 0; }
}

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