/* ============================================================
   Трекер привычек — стили: NEON / киберпанк, светлая/тёмная темы,
   адаптив 360↔1920. Палитра и свечение управляются токенами ниже.
   ============================================================ */

:root {
  /* Светлая тема — «голо-неон»: холодный фон, сочные акценты */
  --bg: #eef1ff;
  --bg-grid: rgba(79, 43, 255, 0.06);
  --bg-glow-1: rgba(79, 43, 255, 0.16);
  --bg-glow-2: rgba(255, 47, 185, 0.13);
  --surface: #ffffff;
  --surface-2: #f3f5ff;
  --surface-3: #e7ebff;
  --text: #141433;
  --text-soft: #33355e;
  --muted: #6b6f96;
  --border: #d9ddff;
  --accent: #4f2bff;
  --accent-2: #e5179b;
  --accent-soft: rgba(79, 43, 255, 0.12);
  --lime: #6fd800;
  --success: #00b85f;
  --warning: #e08c00;
  --danger: #e11d48;
  --info: #0091ff;
  --on-bright: #ffffff;
  --on-bright-soft: rgba(255, 255, 255, 0.2);
  --text-glow: none;
  --glow-accent: 0 0 14px rgba(79, 43, 255, 0.3);
  --shadow: 0 1px 3px rgba(20, 20, 60, 0.08), 0 8px 24px rgba(20, 20, 60, 0.07);
  --shadow-lg: 0 12px 40px rgba(20, 20, 60, 0.18);
  --radius: 16px;
  --radius-sm: 10px;
  --topbar-h: 64px;
  --bottomnav-h: 64px;
  --font-body: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "Cascadia Mono", "Cascadia Code", "JetBrains Mono",
               "SF Mono", Consolas, "Roboto Mono", monospace;
}

html[data-theme="dark"] {
  /* Тёмная тема — киберпанк: почти чёрный фон, циан + маджента, свечение */
  --bg: #06060f;
  --bg-grid: rgba(34, 230, 255, 0.055);
  --bg-glow-1: rgba(34, 230, 255, 0.15);
  --bg-glow-2: rgba(255, 47, 185, 0.13);
  --surface: #0c0c18;
  --surface-2: #121224;
  --surface-3: #1b1b36;
  --text: #e9f6ff;
  --text-soft: #c3d1ea;
  --muted: #8090b5;
  --border: #26264f;
  --accent: #22e6ff;
  --accent-2: #ff2fb9;
  --accent-soft: rgba(34, 230, 255, 0.14);
  --lime: #b6ff3c;
  --success: #5cff9d;
  --warning: #ffd23c;
  --danger: #ff4d6d;
  --info: #22e6ff;
  --on-bright: #06121a;
  --on-bright-soft: rgba(6, 18, 26, 0.18);
  --text-glow: 0 0 12px rgba(34, 230, 255, 0.45);
  --glow-accent: 0 0 12px rgba(34, 230, 255, 0.5), 0 0 30px rgba(34, 230, 255, 0.2);
  --shadow: 0 4px 18px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 14px 44px rgba(0, 0, 0, 0.6);
}

* { box-sizing: border-box; }

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

body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  color: var(--text);
  /* Фон: два цветовых свечения + неоновая сетка */
  background-color: var(--bg);
  background-image:
    radial-gradient(900px 460px at 12% -8%, var(--bg-glow-1), transparent 62%),
    radial-gradient(760px 420px at 92% -4%, var(--bg-glow-2), transparent 60%),
    linear-gradient(var(--bg-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--bg-grid) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 42px 42px, 42px 42px;
  background-repeat: no-repeat, no-repeat, repeat, repeat;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { margin: 0; font-weight: 700; line-height: 1.25; }
h1, h2 { font-family: var(--font-mono); }
p { margin: 0; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font: inherit; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  box-shadow: 0 0 10px color-mix(in srgb, var(--accent) 55%, transparent);
}

::selection {
  background: color-mix(in srgb, var(--accent) 40%, transparent);
  color: var(--text);
}

/* Неоновый скроллбар */
* { scrollbar-width: thin; scrollbar-color: var(--accent) var(--surface-2); }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--surface-2); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  border-radius: 999px;
  border: 2px solid var(--surface-2);
}
::-webkit-scrollbar-thumb:hover { filter: brightness(1.1); }

.ic { flex: none; vertical-align: -3px; }

/* ------------------------------------------------------- Каркас */
#app { min-height: 100vh; display: flex; flex-direction: column; }

.view {
  flex: 1;
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: calc(var(--topbar-h) + 24px) 24px 40px;
  outline: none;
}
.view--wide { max-width: 1320px; }

.boot {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 14px; padding: 80px 20px; color: var(--muted);
}
.spinner {
  width: 36px; height: 36px; border-radius: 50%;
  border: 3px solid var(--surface-3); border-top-color: var(--accent);
  box-shadow: 0 0 12px color-mix(in srgb, var(--accent) 35%, transparent);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ------------------------------------------------------- Топбар */
.topbar {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  height: var(--topbar-h);
  background: color-mix(in srgb, var(--surface) 86%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 20px;
  padding: 0 24px;
}
.topbar::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 1.5px;
  background: linear-gradient(90deg, transparent, var(--accent), var(--accent-2), transparent);
  opacity: 0.75; pointer-events: none;
}
.topbar__brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-weight: 800; font-size: 16.5px; color: var(--text);
  letter-spacing: -0.3px;
}
.topbar__brand:hover { text-decoration: none; }
.topbar__logo {
  width: 34px; height: 34px; border-radius: 10px; flex: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid; place-items: center; color: var(--on-bright);
  box-shadow: 0 0 16px color-mix(in srgb, var(--accent) 55%, transparent);
}
.topbar__nav { display: flex; gap: 4px; flex: 1; }
.topbar__link {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 14px; border-radius: 10px;
  color: var(--muted); font-weight: 600; font-size: 14px;
  transition: background 0.15s, color 0.15s, box-shadow 0.15s;
}
.topbar__link:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.topbar__link.is-active {
  background: var(--accent-soft); color: var(--accent);
  box-shadow: 0 0 14px color-mix(in srgb, var(--accent) 30%, transparent);
}
.topbar__actions { display: flex; align-items: center; gap: 8px; }

/* ------------------------------------------------------- Нижняя навигация (моб.) */
.bottomnav {
  position: fixed; inset: auto 0 0 0; z-index: 50;
  height: calc(var(--bottomnav-h) + env(safe-area-inset-bottom));
  padding-bottom: env(safe-area-inset-bottom);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--border);
  display: none;
  grid-template-columns: repeat(6, 1fr);
}
.bottomnav::before {
  content: ""; position: absolute; left: 0; right: 0; top: -1px; height: 1.5px;
  background: linear-gradient(90deg, transparent, var(--accent-2), var(--accent), transparent);
  opacity: 0.75; pointer-events: none;
}
.bottomnav__link {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 3px; font-size: 10.5px; font-weight: 600; color: var(--muted);
  min-width: 0; padding: 6px 2px; cursor: pointer;
  transition: color 0.15s, text-shadow 0.15s;
}
.bottomnav__link span {
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%;
}
.bottomnav__link.is-active { color: var(--accent); text-shadow: var(--text-glow); }
.bottomnav__link.is-active .ic { stroke-width: 2.4; }

/* ------------------------------------------------------- FAB */
.fab {
  position: fixed; right: 24px; bottom: 24px; z-index: 60;
  width: 58px; height: 58px; border-radius: 50%; border: none; cursor: pointer;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--on-bright); display: grid; place-items: center;
  box-shadow: 0 0 18px color-mix(in srgb, var(--accent) 60%, transparent),
              0 10px 26px rgba(0, 0, 0, 0.4);
  transition: transform 0.15s ease, box-shadow 0.15s;
  animation: fab-pulse 2.8s ease-in-out infinite;
}
@keyframes fab-pulse {
  50% { box-shadow: 0 0 30px color-mix(in srgb, var(--accent) 85%, transparent),
                     0 10px 26px rgba(0, 0, 0, 0.4); }
}
.fab:hover { transform: translateY(-2px) scale(1.03); }
.fab:active { transform: scale(0.96); }
.fab[hidden] { display: none; }

/* ------------------------------------------------------- Карточки */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow), inset 0 1px 0 color-mix(in srgb, var(--accent) 10%, transparent);
  overflow: hidden;
}
.card__head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 16px 20px 0;
}
.card__title { font-size: 16px; }
.card__actions { display: flex; gap: 8px; }
.card__body { padding: 16px 20px 20px; }

.grid { display: grid; gap: 16px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--cards { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }

.stack { display: flex; flex-direction: column; gap: 16px; }
.row { display: flex; align-items: center; gap: 12px; }
.row--between { justify-content: space-between; }
.row--wrap { flex-wrap: wrap; }

.section-title {
  font-family: var(--font-mono);
  font-size: 12.5px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 1.4px; color: var(--muted); margin: 6px 0;
}
.section-title::before {
  content: ""; display: inline-block; width: 14px; height: 2px;
  vertical-align: middle; margin-right: 8px; border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 8px color-mix(in srgb, var(--accent) 70%, transparent);
}

/* ------------------------------------------------------- Кнопки */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 18px; border-radius: 12px; border: 1px solid transparent;
  font-weight: 600; font-size: 14.5px; cursor: pointer;
  background: var(--surface-2); color: var(--text);
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s, opacity 0.15s,
              border-color 0.15s, filter 0.15s;
  white-space: nowrap;
}
.btn:hover { background: var(--surface-3); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--on-bright);
  box-shadow: 0 0 14px color-mix(in srgb, var(--accent) 45%, transparent),
              0 6px 18px rgba(0, 0, 0, 0.28);
}
.btn--primary:hover {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  filter: brightness(1.06);
  box-shadow: 0 0 24px color-mix(in srgb, var(--accent) 70%, transparent),
              0 8px 22px rgba(0, 0, 0, 0.34);
}
.btn--ghost { background: transparent; border-color: var(--border); }
.btn--ghost:hover {
  background: var(--surface-2);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  box-shadow: 0 0 12px color-mix(in srgb, var(--accent) 28%, transparent);
}
.btn--danger {
  background: var(--danger); color: #06121a;
  box-shadow: 0 0 12px color-mix(in srgb, var(--danger) 40%, transparent);
}
.btn--danger:hover { background: var(--danger); filter: brightness(1.07); }
.btn--success {
  background: var(--success); color: #06121a;
  box-shadow: 0 0 12px color-mix(in srgb, var(--success) 45%, transparent);
}
.btn--success:hover { background: var(--success); filter: brightness(1.07); }
.btn--soft { background: var(--accent-soft); color: var(--accent); }
.btn--soft:hover {
  background: var(--accent-soft);
  box-shadow: 0 0 12px color-mix(in srgb, var(--accent) 30%, transparent);
}
.btn--sm { padding: 7px 12px; font-size: 13.5px; border-radius: 10px; }
.btn--lg { padding: 13px 26px; font-size: 16px; border-radius: 14px; }
.btn--block { width: 100%; }
.btn--icon { padding: 8px; border-radius: 10px; }
.btn--link { background: none; border: none; color: var(--accent); padding: 4px; }

/* ------------------------------------------------------- Формы */
.form { display: flex; flex-direction: column; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field__label { font-size: 13.5px; font-weight: 600; color: var(--text-soft); }
.field__hint { font-size: 12.5px; color: var(--muted); }
.input {
  width: 100%; padding: 11px 14px; font: inherit; color: var(--text);
  background: var(--surface-2); border: 1.5px solid var(--border);
  border-radius: 12px;
  transition: border 0.15s, background 0.15s, box-shadow 0.15s;
}
.input::placeholder { color: var(--muted); }
.input:focus {
  outline: none; border-color: var(--accent); background: var(--surface);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent),
              0 0 14px color-mix(in srgb, var(--accent) 28%, transparent);
}
textarea.input { resize: vertical; min-height: 80px; }
select.input { cursor: pointer; }
.input--error { border-color: var(--danger) !important; }
.field__error { font-size: 12.5px; color: var(--danger); }

.form-error {
  display: flex; gap: 8px; align-items: flex-start;
  background: color-mix(in srgb, var(--danger) 12%, transparent);
  color: var(--danger);
  border: 1px solid color-mix(in srgb, var(--danger) 45%, transparent);
  box-shadow: 0 0 12px color-mix(in srgb, var(--danger) 25%, transparent);
  padding: 10px 14px; border-radius: 12px; font-size: 14px;
}
.form-success {
  display: flex; gap: 8px; align-items: flex-start;
  background: color-mix(in srgb, var(--success) 12%, transparent);
  color: var(--success);
  border: 1px solid color-mix(in srgb, var(--success) 45%, transparent);
  box-shadow: 0 0 12px color-mix(in srgb, var(--success) 25%, transparent);
  padding: 10px 14px; border-radius: 12px; font-size: 14px;
}
/* Атрибут hidden должен побеждать display:flex (иначе пустая панель ошибки
   видна в каждой форме, а настоящая — выглядит как «ничего не произошло») */
.form-error[hidden],
.form-success[hidden] {
  display: none;
}

/* Переключатель (switch) */
.switch { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; user-select: none; }
.switch__input { position: absolute; opacity: 0; pointer-events: none; }
.switch__track {
  width: 44px; height: 25px; border-radius: 999px; background: var(--surface-3);
  position: relative; transition: background 0.2s, box-shadow 0.2s; flex: none;
  border: 1px solid var(--border);
}
.switch__thumb {
  position: absolute; top: 2px; left: 2px; width: 19px; height: 19px;
  border-radius: 50%; background: #fff; box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
  transition: transform 0.2s;
}
.switch__input:checked + .switch__track {
  background: var(--accent); border-color: var(--accent);
  box-shadow: 0 0 12px color-mix(in srgb, var(--accent) 60%, transparent);
}
.switch__input:checked + .switch__track .switch__thumb { transform: translateX(19px); }
.switch__input:focus-visible + .switch__track { outline: 2px solid var(--accent); outline-offset: 2px; }
.switch__label { font-size: 14.5px; font-weight: 500; }

/* ------------------------------------------------------- Прогресс и бейджи */
.progress {
  height: 9px; width: 100%; border-radius: 999px;
  background: var(--surface-3); overflow: hidden;
}
.progress__fill {
  height: 100%; border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 10px color-mix(in srgb, var(--accent) 65%, transparent);
  transition: width 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}
.progress--lg { height: 13px; }

.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: 999px;
  background: var(--surface-2); color: var(--muted);
  border: 1px solid color-mix(in srgb, currentColor 28%, transparent);
  font-size: 12.5px; font-weight: 600; white-space: nowrap;
}
.badge--streak {
  color: var(--warning);
  background: color-mix(in srgb, var(--warning) 14%, transparent);
  box-shadow: 0 0 10px color-mix(in srgb, var(--warning) 30%, transparent);
}
.badge--ok {
  color: var(--success);
  background: color-mix(in srgb, var(--success) 14%, transparent);
  box-shadow: 0 0 10px color-mix(in srgb, var(--success) 30%, transparent);
}
.badge--danger {
  color: var(--danger);
  background: color-mix(in srgb, var(--danger) 14%, transparent);
}

/* ------------------------------------------------------- Привычки */
.habit-card {
  display: flex; flex-direction: column; gap: 12px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px;
  box-shadow: var(--shadow);
  transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
  position: relative; overflow: hidden;
}
.habit-card::before {
  content: ""; position: absolute; inset: 0 auto 0 0; width: 4px;
  background: var(--habit-color, var(--accent));
  box-shadow: 0 0 14px var(--habit-color, var(--accent));
}
.habit-card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--habit-color, var(--accent)) 55%, var(--border));
  box-shadow: 0 0 22px color-mix(in srgb, var(--habit-color, var(--accent)) 32%, transparent),
              var(--shadow-lg);
}
.habit-card__head { display: flex; align-items: center; gap: 12px; }
.habit-card__icon {
  width: 42px; height: 42px; border-radius: 12px; flex: none;
  display: grid; place-items: center; color: #fff;
  background: var(--habit-color, var(--accent));
  box-shadow: 0 0 16px color-mix(in srgb, var(--habit-color, var(--accent)) 60%, transparent);
}
.habit-card__name { font-weight: 700; font-size: 15.5px; }
.habit-card__meta { font-size: 12.5px; color: var(--muted); }
.habit-card__stats { display: flex; gap: 8px; flex-wrap: wrap; }
.habit-card__actions { display: flex; gap: 6px; margin-left: auto; }
.habit-card__progress { display: flex; flex-direction: column; gap: 6px; }
.habit-card__progress-label { display: flex; justify-content: space-between; font-size: 12.5px; color: var(--muted); }

.check-btn {
  width: 46px; height: 46px; border-radius: 50%;
  border: 2.5px solid color-mix(in srgb, var(--accent) 30%, var(--surface-3));
  background: var(--surface-2); cursor: pointer; display: grid; place-items: center;
  color: var(--muted); flex: none; transition: all 0.18s;
}
.check-btn:hover {
  border-color: var(--success); color: var(--success); transform: scale(1.06);
  box-shadow: 0 0 14px color-mix(in srgb, var(--success) 45%, transparent);
}
.check-btn.is-done {
  background: var(--success); border-color: var(--success); color: #06121a;
  box-shadow: 0 0 16px color-mix(in srgb, var(--success) 65%, transparent),
              0 0 34px color-mix(in srgb, var(--success) 30%, transparent);
}
.check-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.counter {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 12px; padding: 4px;
}
.counter__btn {
  width: 34px; height: 34px; border-radius: 9px; border: none; cursor: pointer;
  background: var(--surface); color: var(--accent); display: grid; place-items: center;
  transition: background 0.15s, box-shadow 0.15s;
}
.counter__btn:hover {
  background: var(--accent-soft);
  box-shadow: 0 0 10px color-mix(in srgb, var(--accent) 35%, transparent);
}
.counter__btn:disabled { opacity: 0.4; cursor: not-allowed; }
.counter__value { min-width: 56px; text-align: center; font-weight: 700; font-size: 15px;
  font-family: var(--font-mono); color: var(--accent); text-shadow: var(--text-glow); }

/* ------------------------------------------------------- Сегодня */
.today-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.today-head__date { color: var(--muted); font-size: 14px; margin-top: 4px; }
.today-head h1 { font-size: clamp(24px, 4vw, 32px); }

.motivation {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: var(--on-bright); border: none; border-radius: var(--radius);
  padding: 20px; position: relative; overflow: hidden;
  box-shadow: 0 0 26px color-mix(in srgb, var(--accent) 45%, transparent),
              0 12px 30px rgba(0, 0, 0, 0.3);
  display: flex; flex-direction: column; gap: 14px;
}
/* Сканлайны поверх градиента — «пульт управления» */
.motivation::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0.35;
  background: repeating-linear-gradient(180deg,
    rgba(255, 255, 255, 0.09) 0 1px, transparent 1px 4px);
}
.motivation > * { position: relative; z-index: 1; }
.motivation h2 { font-size: 18px; }
.motivation__msg { font-size: 15.5px; }
.motivation .progress { background: var(--on-bright-soft); }
.motivation .progress__fill { background: var(--on-bright); box-shadow: none; }
.motivation__meta { display: flex; gap: 16px; flex-wrap: wrap; font-size: 13.5px; }
.motivation__meta b { font-size: 16px; font-family: var(--font-mono); }
.motivation__grid { display: flex; gap: 14px; flex-wrap: wrap; }
.motivation__stat {
  flex: 1; min-width: 130px;
  background: var(--on-bright-soft); border-radius: 12px; padding: 10px 14px;
  border: 1px solid color-mix(in srgb, var(--on-bright) 25%, transparent);
}
.motivation__stat b { display: block; font-size: 20px; font-family: var(--font-mono); }

.useful { display: flex; gap: 12px; flex-wrap: wrap; }
.useful__item {
  flex: 1; min-width: 150px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 14px 16px;
  display: flex; flex-direction: column; gap: 4px;
  transition: box-shadow 0.15s, border-color 0.15s;
}
.useful__item:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  box-shadow: 0 0 16px color-mix(in srgb, var(--accent) 22%, transparent);
}
.useful__value {
  font-size: 24px; font-weight: 800; font-family: var(--font-mono);
  color: var(--accent); text-shadow: var(--text-glow);
}
.useful__label { font-size: 13px; color: var(--muted); }
.useful__hint { font-size: 11.5px; color: var(--muted); }

.streak-card {
  display: flex; align-items: center; gap: 14px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow);
}
.streak-card__flame {
  width: 52px; height: 52px; border-radius: 16px; flex: none;
  display: grid; place-items: center;
  background: color-mix(in srgb, var(--warning) 16%, transparent); color: var(--warning);
  box-shadow: 0 0 18px color-mix(in srgb, var(--warning) 40%, transparent);
}
.streak-card__value { font-size: 22px; font-weight: 800; font-family: var(--font-mono); }
.streak-card__label { font-size: 13px; color: var(--muted); }

/* ------------------------------------------------------- Аутентификация */
.auth {
  min-height: calc(100vh - var(--topbar-h));
  display: grid; place-items: center; padding: 24px;
}
.auth__box {
  width: 100%; max-width: 430px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow-lg),
              0 0 34px color-mix(in srgb, var(--accent) 20%, transparent),
              inset 0 1px 0 color-mix(in srgb, var(--accent) 18%, transparent);
  padding: 30px 28px;
  display: flex; flex-direction: column; gap: 16px;
}
.auth__brand { display: flex; align-items: center; gap: 12px; }
.auth__brand .topbar__logo { width: 44px; height: 44px; border-radius: 13px; }
.auth__title { font-size: 22px; }
.auth__subtitle { color: var(--muted); font-size: 14px; }
.auth__foot { text-align: center; font-size: 14px; color: var(--muted); }

/* ------------------------------------------------------- Лендинг */
.landing { padding-bottom: 40px; }
.hero {
  text-align: center; padding: clamp(40px, 8vw, 90px) 20px clamp(30px, 6vw, 60px);
  display: flex; flex-direction: column; align-items: center; gap: 18px;
}
.hero__badge {
  display: inline-flex; align-items: center; gap: 7px;
  background: var(--accent-soft); color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent);
  box-shadow: 0 0 14px color-mix(in srgb, var(--accent) 30%, transparent);
  padding: 6px 14px; border-radius: 999px; font-size: 13px; font-weight: 700;
  font-family: var(--font-mono);
}
.hero h1 { font-size: clamp(30px, 6vw, 52px); letter-spacing: -1px; max-width: 760px; }
.hero h1 .grad {
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--lime));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 0 18px color-mix(in srgb, var(--accent) 40%, transparent));
}
.hero__sub { color: var(--muted); font-size: clamp(15px, 2vw, 18px); max-width: 620px; }
.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-top: 6px; }

.feature {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
  display: flex; flex-direction: column; gap: 10px;
  transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
}
.feature:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
  box-shadow: 0 0 22px color-mix(in srgb, var(--accent) 25%, transparent), var(--shadow-lg);
}
.feature__icon {
  width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent);
  box-shadow: 0 0 14px color-mix(in srgb, var(--accent) 30%, transparent);
}
.feature__title { font-size: 16px; }
.feature__text { color: var(--muted); font-size: 14px; }

.steps { counter-reset: step; display: grid; gap: 14px; grid-template-columns: repeat(3, 1fr); }
.step {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; position: relative;
}
.step::before {
  counter-increment: step; content: counter(step);
  display: grid; place-items: center; width: 34px; height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--on-bright); font-family: var(--font-mono); font-weight: 800;
  margin-bottom: 12px;
  box-shadow: 0 0 14px color-mix(in srgb, var(--accent) 50%, transparent);
}
.step p { color: var(--text-soft); font-size: 14.5px; }

.faq { display: flex; flex-direction: column; gap: 10px; }
.faq__item {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; overflow: hidden; transition: box-shadow 0.15s, border-color 0.15s;
}
.faq__item.is-open {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  box-shadow: 0 0 18px color-mix(in srgb, var(--accent) 25%, transparent);
}
.faq__q {
  width: 100%; text-align: left; background: none; border: none; cursor: pointer;
  padding: 15px 18px; font-weight: 600; color: var(--text);
  display: flex; justify-content: space-between; gap: 10px; align-items: center;
}
.faq__a { padding: 0 18px 15px; color: var(--muted); font-size: 14.5px; display: none; }
.faq__item.is-open .faq__a { display: block; }
.faq__item.is-open .faq__q .ic { transform: rotate(180deg); }
.faq__q .ic { transition: transform 0.2s; }

.footer {
  margin-top: 50px; padding: 26px 20px; border-top: 1px solid var(--border);
  text-align: center; color: var(--muted); font-size: 13.5px;
  display: flex; flex-direction: column; gap: 8px; align-items: center;
}

/* ------------------------------------------------------- Модалки и тосты */
.modal {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(4, 4, 14, 0.62); backdrop-filter: blur(4px);
  display: grid; place-items: center; padding: 18px;
  opacity: 0; transition: opacity 0.2s;
}
.modal.is-visible { opacity: 1; }
.modal__dialog {
  width: 100%; max-width: 540px; max-height: 88vh; overflow: auto;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow-lg),
              0 0 40px color-mix(in srgb, var(--accent) 22%, transparent);
  transform: translateY(14px) scale(0.98); transition: transform 0.2s;
}
.modal.is-visible .modal__dialog { transform: none; }
.modal__head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 18px 20px 0;
}
.modal__title { font-size: 18px; }
.modal__body { padding: 16px 20px; }
.modal__text { color: var(--text-soft); }
.modal__foot {
  display: flex; justify-content: flex-end; gap: 10px;
  padding: 0 20px 20px; flex-wrap: wrap;
}

#toast-root {
  position: fixed; top: calc(var(--topbar-h) + 14px); left: 50%;
  transform: translateX(-50%); z-index: 200;
  display: flex; flex-direction: column; gap: 8px; align-items: center;
  pointer-events: none; width: max-content; max-width: calc(100vw - 32px);
}
.toast {
  display: flex; align-items: center; gap: 9px;
  background: var(--surface); color: var(--text);
  border: 1px solid color-mix(in srgb, var(--accent) 60%, transparent);
  box-shadow: var(--glow-accent), var(--shadow-lg);
  padding: 11px 18px; border-radius: 13px; font-size: 14px; font-weight: 500;
  opacity: 0; transform: translateY(-10px);
  transition: all 0.25s ease;
}
.toast.is-visible { opacity: 1; transform: none; }
.toast--success { border-color: color-mix(in srgb, var(--success) 60%, transparent);
  box-shadow: 0 0 14px color-mix(in srgb, var(--success) 35%, transparent), var(--shadow-lg); }
.toast--success .ic { color: var(--success); }
.toast--error { border-color: color-mix(in srgb, var(--danger) 60%, transparent);
  box-shadow: 0 0 14px color-mix(in srgb, var(--danger) 35%, transparent), var(--shadow-lg); }
.toast--error .ic { color: var(--danger); }

/* ------------------------------------------------------- Пустые состояния */
.empty {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  text-align: center; padding: 44px 20px; color: var(--muted);
}
.empty__icon {
  width: 74px; height: 74px; border-radius: 50%;
  background: var(--surface-2); display: grid; place-items: center; color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  box-shadow: 0 0 22px color-mix(in srgb, var(--accent) 28%, transparent);
}
.empty__title { color: var(--text); font-size: 17px; }
.empty__text { max-width: 380px; font-size: 14.5px; }

/* ------------------------------------------------------- Статистика */
.stat-tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; }
.stat-tile {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 16px;
  display: flex; flex-direction: column; gap: 3px;
  transition: box-shadow 0.15s, border-color 0.15s;
}
.stat-tile:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  box-shadow: 0 0 18px color-mix(in srgb, var(--accent) 22%, transparent);
}
.stat-tile__value {
  font-size: 26px; font-weight: 800; font-family: var(--font-mono);
  color: var(--accent); text-shadow: var(--text-glow);
}
.stat-tile__label { font-size: 13px; color: var(--muted); }
.stat-tile__icon {
  width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent); margin-bottom: 6px;
  box-shadow: 0 0 12px color-mix(in srgb, var(--accent) 28%, transparent);
}

.bars { display: flex; align-items: flex-end; gap: 4px; height: 130px; padding-top: 8px; }
.bars__col { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; height: 100%; gap: 4px; }
.bars__bar {
  width: 100%; border-radius: 6px 6px 3px 3px; min-height: 3px;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 8px color-mix(in srgb, var(--accent) 40%, transparent);
  transition: height 0.4s ease; position: relative;
}
.bars__bar--miss {
  background: color-mix(in srgb, var(--danger) 55%, var(--surface-3));
  box-shadow: none;
}
.bars__label { font-size: 10px; color: var(--muted); text-align: center; }

.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12.5px; color: var(--muted); }
.legend__item { display: inline-flex; align-items: center; gap: 6px; }
.legend__dot { width: 11px; height: 11px; border-radius: 3px; }

/* Тепловая карта */
.heat { display: grid; grid-template-columns: repeat(7, 1fr); gap: 5px; }
.heat__wd {
  font-size: 11px; color: var(--muted); text-align: center;
  font-weight: 700; padding-bottom: 2px; font-family: var(--font-mono);
}
.heat__cell {
  aspect-ratio: 1; border-radius: 8px; border: 1px solid transparent;
  display: grid; place-items: center; font-size: 12px; font-weight: 600;
  font-family: var(--font-mono);
  color: var(--muted); background: var(--surface-2); cursor: pointer;
  transition: transform 0.12s, box-shadow 0.12s; padding: 0;
}
.heat__cell:hover { transform: scale(1.08); box-shadow: var(--shadow); z-index: 1; }
.heat__cell--empty { background: transparent; cursor: default; pointer-events: none; }
.heat--future { opacity: 0.35; cursor: default; }
.heat--none { background: var(--surface-2); }
.heat--0 { background: color-mix(in srgb, var(--danger) 20%, var(--surface-2)); color: var(--muted); }
.heat--1 { background: color-mix(in srgb, var(--success) 25%, var(--surface-2)); }
.heat--2 { background: color-mix(in srgb, var(--success) 45%, var(--surface-2)); }
.heat--3 {
  background: color-mix(in srgb, var(--success) 65%, var(--surface-2));
  color: #06121a;
}
.heat--4 {
  background: color-mix(in srgb, var(--success) 85%, var(--surface-2));
  color: #06121a;
  box-shadow: 0 0 8px color-mix(in srgb, var(--success) 45%, transparent);
}
.heat--5 {
  background: var(--success); color: #06121a;
  box-shadow: 0 0 10px color-mix(in srgb, var(--success) 60%, transparent);
}
.heat__cell.is-selected {
  outline: 2.5px solid var(--accent); outline-offset: 1px;
  box-shadow: 0 0 14px color-mix(in srgb, var(--accent) 60%, transparent);
}

.heat-legend { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); }
.heat-legend__cell { width: 15px; height: 15px; border-radius: 4px; }

/* Календарь: список дня */
.day-list { display: flex; flex-direction: column; gap: 8px; }
.day-item {
  display: flex; align-items: center; gap: 12px;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 12px; padding: 11px 14px;
}
.day-item__icon {
  width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
  color: #fff; flex: none;
}
.day-item__name { font-weight: 600; font-size: 14.5px; }
.day-item__meta { font-size: 12.5px; color: var(--muted); }
.day-item__status { margin-left: auto; display: flex; align-items: center; gap: 8px; }

.month-nav { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.month-nav__label { font-size: 17px; font-weight: 700; font-family: var(--font-mono); }

/* ------------------------------------------------------- Категории */
.cat-row {
  display: flex; align-items: center; gap: 12px;
  padding: 13px 16px; border-bottom: 1px solid var(--border);
}
.cat-row:last-child { border-bottom: none; }
.cat-row__icon {
  width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center;
  color: #fff; flex: none;
}
.cat-row__name { font-weight: 600; }
.cat-row__count { font-size: 12.5px; color: var(--muted); }
.cat-row__actions { margin-left: auto; display: flex; gap: 6px; }

.chip-row { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  padding: 7px 14px; border-radius: 999px; border: 1px solid var(--border);
  background: var(--surface); color: var(--muted); cursor: pointer;
  font-size: 13.5px; font-weight: 600; transition: all 0.15s;
}
.chip:hover {
  background: var(--surface-2); color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
}
.chip.is-active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent; color: var(--on-bright);
  box-shadow: 0 0 14px color-mix(in srgb, var(--accent) 45%, transparent);
}

.icon-picker, .color-picker { display: flex; gap: 8px; flex-wrap: wrap; }
.icon-option {
  width: 40px; height: 40px; border-radius: 11px; cursor: pointer;
  border: 2px solid var(--border); background: var(--surface-2);
  color: var(--muted); display: grid; place-items: center; transition: all 0.15s;
}
.icon-option:hover { border-color: var(--accent); color: var(--accent); }
.icon-option.is-active {
  border-color: var(--accent); background: var(--accent-soft); color: var(--accent);
  box-shadow: 0 0 12px color-mix(in srgb, var(--accent) 50%, transparent);
}
.color-option {
  width: 30px; height: 30px; border-radius: 50%; cursor: pointer;
  border: 2.5px solid transparent; transition: transform 0.12s, box-shadow 0.12s;
}
.color-option:hover { transform: scale(1.12); }
.color-option.is-active {
  border-color: var(--accent); transform: scale(1.12);
  box-shadow: 0 0 12px color-mix(in srgb, var(--accent) 65%, transparent);
}

/* ------------------------------------------------------- Профиль */
.profile-head { display: flex; align-items: center; gap: 16px; }
.avatar {
  width: 64px; height: 64px; border-radius: 50%; flex: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--on-bright); display: grid; place-items: center;
  font-size: 24px; font-weight: 800; font-family: var(--font-mono);
  box-shadow: 0 0 20px color-mix(in srgb, var(--accent) 50%, transparent);
}
.profile-head__name { font-size: 20px; }
.profile-head__meta { color: var(--muted); font-size: 14px; }
.settings-row {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 13px 0; border-bottom: 1px solid var(--border);
}
.settings-row:last-child { border-bottom: none; }
.settings-row__label { font-weight: 600; font-size: 14.5px; }
.settings-row__hint { font-size: 12.5px; color: var(--muted); }

/* ------------------------------------------------------- 404 */
.notfound {
  min-height: 60vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 14px; text-align: center;
}
.notfound__code {
  font-size: clamp(70px, 16vw, 130px); font-weight: 900; line-height: 1;
  font-family: var(--font-mono);
  background: linear-gradient(135deg, var(--accent), var(--accent-2), var(--lime));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  letter-spacing: -2px;
  filter: drop-shadow(0 0 24px color-mix(in srgb, var(--accent) 45%, transparent));
}

/* Детальная страница привычки */
.detail-head { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.detail-head__icon {
  width: 58px; height: 58px; border-radius: 17px; display: grid; place-items: center;
  color: #fff; flex: none;
}
.back-link { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-weight: 600; font-size: 14px; }
.back-link:hover { color: var(--accent); text-decoration: none; }

.log-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 8px; }
.log-day {
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px;
  padding: 9px 11px; font-size: 12.5px; cursor: pointer; transition: all 0.15s;
}
.log-day:hover {
  border-color: var(--accent);
  box-shadow: 0 0 12px color-mix(in srgb, var(--accent) 35%, transparent);
}
.log-day.is-done {
  background: color-mix(in srgb, var(--success) 14%, var(--surface));
  border-color: color-mix(in srgb, var(--success) 55%, transparent);
  box-shadow: 0 0 12px color-mix(in srgb, var(--success) 30%, transparent);
}
.log-day b { display: block; font-size: 14px; font-family: var(--font-mono); }

/* Тултипы-подсказки */
.hint {
  display: flex; gap: 9px; align-items: flex-start;
  background: var(--accent-soft); border-radius: 12px; padding: 11px 14px;
  color: var(--text-soft); font-size: 13.5px;
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
}
.hint .ic { color: var(--accent); margin-top: 2px; }

.offline-bar {
  position: fixed; top: var(--topbar-h); left: 0; right: 0; z-index: 55;
  background: var(--warning); color: #1f1300; text-align: center;
  font-size: 13.5px; font-weight: 700; padding: 7px 12px;
  display: flex; gap: 8px; align-items: center; justify-content: center;
  box-shadow: 0 0 18px color-mix(in srgb, var(--warning) 55%, transparent);
}

/* ============================================================
   Адаптив: мобильный (≤ 900px) — нижние табы, компактный хедер
   ============================================================ */
@media (max-width: 900px) {
  :root { --topbar-h: 56px; }
  .topbar { padding: 0 14px; gap: 10px; }
  .topbar__nav { display: none; }
  .bottomnav { display: grid; }
  .view { padding: calc(var(--topbar-h) + 16px) 14px calc(var(--bottomnav-h) + 34px); }
  .grid--2, .grid--3 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .fab { right: 16px; bottom: calc(var(--bottomnav-h) + 16px + env(safe-area-inset-bottom)); }
  .card__head { padding: 14px 16px 0; }
  .card__body { padding: 14px 16px 16px; }
  .modal__dialog { max-width: none; border-radius: 18px 18px 0 0; align-self: end; max-height: 92vh; }
  .modal { padding: 0; align-items: end; }
  .motivation__grid { flex-direction: column; }
}

@media (max-width: 420px) {
  body { font-size: 14.5px; }
  .view { padding-left: 10px; padding-right: 10px; }
  .bottomnav__link { font-size: 9.5px; }
  .habit-card { padding: 13px; }
  .btn { padding: 9px 14px; }
  .stat-tile__value { font-size: 22px; }
}

@media (min-width: 901px) {
  .bottomnav { display: none !important; }
  .fab { bottom: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media print {
  .topbar, .bottomnav, .fab, #toast-root { display: none !important; }
  .view { padding-top: 0; }
}