:root {
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --bg: #f4f5f7;
  --surface: #ffffff;
  --surface-2: #f8f9fb;
  --text: #14171c;
  --muted: #6b7280;
  --border: #e5e7eb;
  --border-strong: #d3d6dc;
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --accent-soft: #eef0ff;
  --success: #16a34a;
  --danger: #dc2626;
  --danger-soft: #fee2e2;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06);
  --shadow-md: 0 6px 20px rgba(16, 24, 40, 0.09);
  --shadow-lg: 0 24px 60px rgba(16, 24, 40, 0.24);
  --radius: 14px;
  --radius-sm: 10px;
  --morning: #f59e0b;
  --midday: #0ea5e9;
  --evening: #8b5cf6;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --surface: #181b21;
    --surface-2: #1f232b;
    --text: #e8eaee;
    --muted: #9aa1ad;
    --border: #2a2f38;
    --border-strong: #3a404b;
    --accent: #6366f1;
    --accent-hover: #7c7ff5;
    --accent-soft: #23263a;
    --success: #34d399;
    --danger: #f87171;
    --danger-soft: #3a1f24;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.6);
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

button {
  cursor: pointer;
}

a {
  color: var(--accent);
}

/* ---------- Boot ---------- */
.app-loading {
  display: grid;
  place-items: center;
  min-height: 100vh;
}

.boot-spinner,
.spinner {
  width: 34px;
  height: 34px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ---------- Login ---------- */
.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: radial-gradient(1200px 600px at 50% -10%, var(--accent-soft), transparent 60%);
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px 28px;
  box-shadow: var(--shadow-md);
  animation: rise 0.35s ease;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
}

.login-logo {
  font-size: 40px;
  line-height: 1;
  margin-bottom: 12px;
}

.login-card h1 {
  margin: 0 0 4px;
  font-size: 22px;
  letter-spacing: -0.02em;
}

.login-card p.sub {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 14px;
}

.field {
  margin-bottom: 14px;
}

.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--muted);
}

.input,
select.input {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 10px 15px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  transition: background 0.15s, transform 0.05s, border-color 0.15s;
  white-space: nowrap;
}

.btn:hover {
  background: var(--accent-hover);
}

.btn:active {
  transform: scale(0.98);
}

.btn.block {
  width: 100%;
}

.btn.ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}

.btn.ghost:hover {
  background: var(--surface-2);
}

.btn.subtle {
  background: transparent;
  color: var(--muted);
  border-color: transparent;
  padding: 7px 9px;
}

.btn.subtle:hover {
  background: var(--surface-2);
  color: var(--text);
}

.btn.danger {
  background: transparent;
  color: var(--danger);
  border-color: transparent;
}

.btn.danger:hover {
  background: var(--danger-soft);
}

.btn.small {
  padding: 6px 10px;
  font-size: 13px;
}

.btn.icon {
  padding: 8px;
  width: 36px;
  height: 36px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ---------- App shell ---------- */
.shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 18px 18px 60px;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 6px 2px 16px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.02em;
  margin-right: auto;
}

.brand .dot {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), #a855f7);
  display: grid;
  place-items: center;
  font-size: 16px;
  box-shadow: var(--shadow-sm);
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 5px 12px 5px 5px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
}

.avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  flex: 0 0 auto;
  user-select: none;
}

.user-chip .name {
  font-size: 14px;
  font-weight: 600;
}

/* ---------- Date bar ---------- */
.datebar {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.date-title {
  display: flex;
  flex-direction: column;
  margin-right: auto;
}

.date-title .dow {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.date-title .full {
  font-size: 13px;
  color: var(--muted);
}

.date-title .today-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 1px 7px;
  border-radius: 999px;
  margin-left: 8px;
  vertical-align: middle;
}

.nav-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.date-input {
  padding: 8px 10px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  outline: none;
}

/* ---------- Progress ---------- */
.progress-wrap {
  margin-bottom: 18px;
}

.progress-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 7px;
}

.progress-top strong {
  color: var(--text);
  font-size: 15px;
}

.progress-track {
  height: 8px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), #a855f7);
  border-radius: 999px;
  transition: width 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Columns ---------- */
.columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  align-items: start;
}

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

.period {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  animation: rise 0.3s ease;
}

.period-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}

.period-head .icon {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  font-size: 16px;
  color: #fff;
}

.period-head .titles {
  flex: 1;
  min-width: 0;
}

.period-head h2 {
  margin: 0;
  font-size: 15px;
  letter-spacing: -0.01em;
}

.period-head .count {
  font-size: 12px;
  color: var(--muted);
}

.period[data-period="morning"] .icon {
  background: var(--morning);
}
.period[data-period="midday"] .icon {
  background: var(--midday);
}
.period[data-period="evening"] .icon {
  background: var(--evening);
}

.period-body {
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.point {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 11px 11px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: background 0.15s, border-color 0.15s;
}

.point:hover {
  background: var(--surface-2);
}

.point.done {
  background: color-mix(in srgb, var(--success) 8%, transparent);
  border-color: color-mix(in srgb, var(--success) 22%, transparent);
}

.check {
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  margin-top: 1px;
  border-radius: 7px;
  border: 2px solid var(--border-strong);
  background: transparent;
  display: grid;
  place-items: center;
  color: #fff;
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
}

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

.check:active {
  transform: scale(0.9);
}

.point.done .check {
  background: var(--success);
  border-color: var(--success);
}

.check svg {
  opacity: 0;
  transform: scale(0.6);
  transition: opacity 0.15s, transform 0.15s;
}

.point.done .check svg {
  opacity: 1;
  transform: scale(1);
}

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

.point-title {
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.35;
  word-break: break-word;
}

.point.done .point-title {
  color: var(--muted);
}

.point-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 7px;
  flex-wrap: wrap;
}

.avatars {
  display: flex;
  align-items: center;
}

.avatars .avatar {
  width: 21px;
  height: 21px;
  font-size: 10px;
  border: 2px solid var(--surface);
  margin-left: -7px;
}

.avatars .avatar:first-child {
  margin-left: 0;
}

.point.done .avatars .avatar {
  border-color: color-mix(in srgb, var(--success) 8%, var(--surface));
}

.point-meta .when {
  font-size: 11.5px;
  color: var(--muted);
}

.empty-hint {
  color: var(--muted);
  font-size: 13px;
  padding: 14px 12px;
  text-align: center;
}

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10, 12, 16, 0.55);
  backdrop-filter: blur(3px);
  display: grid;
  place-items: center;
  padding: 18px;
  z-index: 50;
  animation: fade 0.18s ease;
}

@keyframes fade {
  from {
    opacity: 0;
  }
}

.modal {
  width: 100%;
  max-width: 720px;
  max-height: 88vh;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: rise 0.22s ease;
}

.modal-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
}

.modal-head h2 {
  margin: 0;
  font-size: 17px;
  letter-spacing: -0.01em;
  margin-right: auto;
}

.tabs {
  display: flex;
  gap: 4px;
  padding: 10px 12px 0;
  border-bottom: 1px solid var(--border);
}

.tab {
  padding: 9px 14px;
  border: none;
  background: transparent;
  color: var(--muted);
  font-weight: 600;
  font-size: 14px;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.tab:hover {
  color: var(--text);
}

.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.modal-body {
  padding: 18px;
  overflow-y: auto;
}

.section-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 4px 0 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-label:not(:first-child) {
  margin-top: 22px;
}

.row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 6px;
  background: var(--surface-2);
}

.row .grow {
  flex: 1;
  min-width: 0;
}

.row .input {
  background: var(--surface);
}

.inline-form {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.inline-form .input {
  flex: 1;
  min-width: 140px;
}

.badge {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
}

.badge.grey {
  background: var(--surface-2);
  color: var(--muted);
  border: 1px solid var(--border);
}

.badge.green {
  background: color-mix(in srgb, var(--success) 15%, transparent);
  color: var(--success);
}

.switch {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--muted);
  cursor: pointer;
}

.history-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

.history-table th,
.history-table td {
  text-align: left;
  padding: 9px 10px;
  border-bottom: 1px solid var(--border);
}

.history-table th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: sticky;
  top: 0;
  background: var(--surface);
}

.history-table tr:hover td {
  background: var(--surface-2);
}

.period-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 7px;
  vertical-align: middle;
}
.period-dot.morning {
  background: var(--morning);
}
.period-dot.midday {
  background: var(--midday);
}
.period-dot.evening {
  background: var(--evening);
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%) translateY(10px);
  background: #111827;
  color: #fff;
  padding: 11px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  z-index: 100;
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast.error {
  background: var(--danger);
}

.muted {
  color: var(--muted);
}

.center {
  text-align: center;
}