/* ---------- Общие токены ---------- */
:root {
  color-scheme: light;

  --danger: #e0436f;

  /* «Жидкое стекло» */
  --glass: rgba(255, 255, 255, 0.52);
  --glass-strong: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(255, 255, 255, 0.85);
  --glass-blur: blur(26px) saturate(170%);

  --r-lg: 28px;
  --r-md: 20px;
  --r-sm: 14px;
}

/* ---------- Темы ----------
   Тема задаётся атрибутом data-theme у <body>. Все цвета ниже берутся из этих переменных. */

/* Розовая (по умолчанию) */
body, body[data-theme="pink"] {
  --bg: #f8eef5;
  --text: #2b2233;
  --muted: #8b7f95;
  --accent: #ee4d97;
  --accent-rgb: 238, 77, 151;
  --soft-2: #ece0fb;
  --soft-2-text: #7a55c7;
  --focus: #f3a6cb;
  --check-border: #e6c3d8;
  --gradient: linear-gradient(135deg, #f7629f 0%, #fb8e86 45%, #c96fe0 100%);
  --gradient-btn: linear-gradient(135deg, #f0569b 0%, #c862db 100%);
  --blob-1: rgba(247, 98, 159, 0.55);
  --blob-2: rgba(201, 111, 224, 0.45);
  --blob-3: rgba(255, 154, 123, 0.45);
  --blob-4: rgba(183, 156, 240, 0.45);
  --art-glow: rgba(255, 196, 160, 0.6);
}

/* Светло-зелёная */
body[data-theme="green"] {
  --bg: #eef6ec;
  --text: #1f2d26;
  --muted: #7b8c82;
  --accent: #34a86a;
  --accent-rgb: 52, 168, 106;
  --soft-2: #e4f4c8;
  --soft-2-text: #5a8a1f;
  --focus: #9fdcb4;
  --check-border: #c3e2cc;
  --gradient: linear-gradient(135deg, #4fc27f 0%, #9ed86a 50%, #3fb4a0 100%);
  --gradient-btn: linear-gradient(135deg, #3fb672 0%, #2fa596 100%);
  --blob-1: rgba(120, 214, 140, 0.5);
  --blob-2: rgba(80, 200, 170, 0.4);
  --blob-3: rgba(180, 230, 110, 0.45);
  --blob-4: rgba(200, 240, 170, 0.55);
  --art-glow: rgba(230, 255, 180, 0.6);
}

/* Голубая */
body[data-theme="blue"] {
  --bg: #edf3fb;
  --text: #1d2635;
  --muted: #7b8799;
  --accent: #3d8fe8;
  --accent-rgb: 61, 143, 232;
  --soft-2: #e2e3fb;
  --soft-2-text: #5a5fc7;
  --focus: #a6c8f3;
  --check-border: #c4d6ee;
  --gradient: linear-gradient(135deg, #4aa3f0 0%, #7fd0f5 50%, #7a8cf2 100%);
  --gradient-btn: linear-gradient(135deg, #3d95ec 0%, #6a7ff0 100%);
  --blob-1: rgba(90, 170, 245, 0.5);
  --blob-2: rgba(130, 140, 240, 0.4);
  --blob-3: rgba(120, 210, 245, 0.45);
  --blob-4: rgba(175, 205, 250, 0.55);
  --art-glow: rgba(190, 235, 255, 0.6);
}

* { box-sizing: border-box; }

html { min-height: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Мягкие размытые цветовые пятна на фоне — то, что «просвечивает» через стекло */
body::before {
  content: "";
  position: fixed;
  inset: -10%;
  z-index: -1;
  background:
    radial-gradient(38% 42% at 12% 18%, var(--blob-1), transparent 70%),
    radial-gradient(34% 40% at 88% 12%, var(--blob-2), transparent 70%),
    radial-gradient(40% 45% at 75% 85%, var(--blob-3), transparent 70%),
    radial-gradient(35% 40% at 20% 90%, var(--blob-4), transparent 70%);
  filter: blur(40px);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1 { font-size: 2rem; font-weight: 600; letter-spacing: -0.02em; margin: 0 0 .25rem; }
h2 { font-size: 1.15rem; font-weight: 600; letter-spacing: -0.01em; margin: 0 0 .9rem; }
.muted { color: var(--muted); }
.eyebrow { margin: 0 0 .35rem; font-size: .85rem; color: var(--muted); }
.eyebrow::first-letter { text-transform: uppercase; }

/* ---------- Стекло ---------- */
.glass {
  position: relative;
  background: var(--glass);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  box-shadow: 0 10px 40px rgba(var(--accent-rgb), 0.13), 0 2px 6px rgba(60, 40, 80, 0.05), inset 0 1px 0 rgba(255, 255, 255, 0.9);
}
/* Блик сверху — эффект «жидкого» стекла */
.glass::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.65) 0%, rgba(255, 255, 255, 0) 40%);
  pointer-events: none;
}
.glass > * { position: relative; }

.panel { padding: 1.4rem 1.5rem; }

/* ---------- Каркас ---------- */
.shell {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 24px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px;
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 24px;
  height: calc(100vh - 48px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 18px 0;
  border-radius: 32px;
}
.sidebar .logo { margin-bottom: 18px; }
.sidebar .spacer { flex: 1; }

.logo {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 6px 18px rgba(var(--accent-rgb), 0.35);
}
.logo:hover { text-decoration: none; }

.nav-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.55);
  color: var(--muted);
  cursor: pointer;
  transition: background .2s, color .2s, transform .2s;
}
.nav-icon:hover { color: var(--accent); background: #fff; transform: translateY(-1px); text-decoration: none; }
.nav-icon.active { background: var(--text); color: #fff; }
.nav-icon svg { width: 20px; height: 20px; }

.content { min-width: 0; padding: 8px 0 24px; }

/* Страницы без входа (логин/регистрация) */
.center-page { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }

/* ---------- Кнопки ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  padding: .7rem 1.25rem;
  font: inherit;
  font-weight: 500;
  font-size: .95rem;
  color: var(--text);
  background: var(--glass-strong);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  cursor: pointer;
  transition: transform .15s, box-shadow .2s, background .2s;
}
.btn:hover { text-decoration: none; background: #fff; transform: translateY(-1px); }
.btn.primary {
  color: #fff;
  background: var(--gradient-btn);
  border-color: transparent;
  box-shadow: 0 8px 22px rgba(var(--accent-rgb), 0.35);
}
.btn.primary:hover { box-shadow: 0 10px 28px rgba(var(--accent-rgb), 0.45); }
.btn.dark { color: #fff; background: var(--text); border-color: transparent; }
.btn.danger { color: var(--danger); }
.btn.small { padding: .38rem .8rem; font-size: .85rem; }
.btn.wide { width: 100%; }

.icon-btn {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.6);
  color: var(--muted);
  cursor: pointer;
  transition: color .2s, background .2s;
}
.icon-btn:hover { background: #fff; color: var(--text); text-decoration: none; }
.icon-btn.danger:hover { color: var(--danger); }
.icon-btn svg { width: 16px; height: 16px; }

form.inline { display: inline; margin: 0; }

/* ---------- Формы ---------- */
label { display: block; margin-bottom: 1rem; font-size: .9rem; font-weight: 500; }
input, textarea, select {
  display: block;
  width: 100%;
  margin-top: .35rem;
  padding: .75rem .95rem;
  font: inherit;
  font-size: .95rem;
  color: var(--text);
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-sm);
  transition: border-color .2s, box-shadow .2s, background .2s;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  background: #fff;
  border-color: var(--focus);
  box-shadow: 0 0 0 4px rgba(var(--accent-rgb), 0.14);
}
textarea { resize: vertical; }
small { display: block; margin-top: .3rem; font-weight: 400; font-size: .8rem; }

.row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.row.two { grid-template-columns: 1fr 1fr; }
.form-actions { display: flex; justify-content: flex-end; gap: .6rem; margin-top: .5rem; }

.alert { padding: .8rem 1rem; border-radius: var(--r-sm); margin-bottom: 1rem; font-size: .92rem; }
.alert.error { background: rgba(253, 222, 232, 0.85); color: #b42357; }
.alert.ok { background: rgba(214, 245, 229, 0.85); color: #1f7a52; }

/* ---------- Шапка дашборда ---------- */
.hero {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem 2rem;
  flex-wrap: wrap;
  margin: 8px 0 28px;
}
.stats { display: flex; gap: 2.2rem; align-items: flex-end; flex-wrap: wrap; }
.stat-label { font-size: .82rem; color: var(--muted); }
.stat-value { font-size: 2rem; font-weight: 600; letter-spacing: -0.02em; line-height: 1.1; }
.stat-value.alert-text { color: var(--danger); }
.stat + .stat { padding-left: 2.2rem; border-left: 1px solid rgba(139, 127, 149, 0.25); }

/* ---------- Сетка дашборда ---------- */
.dashboard { display: grid; grid-template-columns: 340px 1fr; gap: 24px; align-items: start; }
.side-col { display: grid; gap: 24px; }

/* Градиентная карточка прогресса */
.progress-card {
  position: relative;
  overflow: hidden;
  padding: 1.5rem;
  min-height: 210px;
  border-radius: var(--r-lg);
  color: #fff;
  background: var(--gradient);
  box-shadow: 0 16px 40px rgba(var(--accent-rgb), 0.3);
}
.progress-card::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  right: -60px;
  bottom: -80px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.45), transparent 70%);
}
.progress-card .label { font-size: .9rem; opacity: .9; }
.progress-card .big { font-size: 3.4rem; font-weight: 300; letter-spacing: -0.03em; line-height: 1.1; margin: .2rem 0 1.2rem; }
.progress-card .sub { font-size: .9rem; opacity: .92; }
.bar { height: 8px; border-radius: 99px; background: rgba(255, 255, 255, 0.35); overflow: hidden; margin-bottom: .8rem; }
.bar > span { display: block; height: 100%; border-radius: inherit; background: #fff; }
/* Ширина полосы — классами (CSP запрещает inline-стили) */
.w0 { width: 0; } .w10 { width: 10%; } .w20 { width: 20%; } .w30 { width: 30%; } .w40 { width: 40%; }
.w50 { width: 50%; } .w60 { width: 60%; } .w70 { width: 70%; } .w80 { width: 80%; } .w90 { width: 90%; } .w100 { width: 100%; }

/* Таймлайн ближайших сроков */
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { display: grid; grid-template-columns: 62px 1fr; gap: .8rem; position: relative; padding-bottom: .9rem; }
.timeline li:last-child { padding-bottom: 0; }
.timeline .when { font-size: .78rem; color: var(--muted); padding-top: .55rem; text-align: right; }
.timeline .when b { display: block; color: var(--text); font-size: .85rem; font-weight: 600; }
.timeline .when.overdue b { color: var(--danger); }
.timeline .item {
  padding: .6rem .85rem;
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.7);
  font-size: .88rem;
  overflow-wrap: anywhere;
}
.timeline .item small { color: var(--accent); margin: 0; }

/* Сегментированный переключатель фильтров */
.segmented {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 5px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--glass-border);
}
.segmented a {
  padding: .45rem 1rem;
  border-radius: 999px;
  color: var(--muted);
  font-size: .88rem;
  font-weight: 500;
  white-space: nowrap;
}
.segmented a:hover { color: var(--text); text-decoration: none; }
.segmented a.active { background: var(--text); color: #fff; }
.segmented .count { opacity: .6; margin-left: .2rem; }

.list-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.1rem; }
.list-head h2 { margin: 0; }

/* ---------- Задачи ---------- */
.task-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.task {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: .95rem 1.1rem;
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.9);
  transition: transform .15s, box-shadow .2s;
}
.task:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(var(--accent-rgb), 0.12); }
.task.done { background: rgba(255, 255, 255, 0.42); }
.task.done .task-title { text-decoration: line-through; color: var(--muted); }
.task-main { min-width: 0; }
.task-title { font-weight: 600; overflow-wrap: anywhere; }
.task-desc { margin: .2rem 0 0; color: var(--muted); font-size: .9rem; white-space: pre-wrap; overflow-wrap: anywhere; }
.task-meta { display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; margin-top: .45rem; }
.task-actions { display: flex; align-items: center; gap: .4rem; }
.task-actions select {
  width: auto;
  margin: 0;
  padding: .38rem 2rem .38rem .8rem;
  font-size: .82rem;
  border-radius: 999px;
}

/* Круглая галочка «выполнено» */
.check {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 2px solid var(--check-border);
  background: rgba(255, 255, 255, 0.8);
  color: transparent;
  cursor: pointer;
  transition: all .2s;
}
.check:hover { border-color: var(--accent); color: var(--focus); }
.check.checked { background: var(--gradient-btn); border-color: transparent; color: #fff; }
.check svg { width: 15px; height: 15px; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .15rem .6rem;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 600;
}
.prio-low { background: var(--soft-2); color: var(--soft-2-text); }
.prio-medium { background: #ffe6d9; color: #d0613e; }
.prio-high { background: #fddbe6; color: #cf2f5e; }
.chip.date { background: rgba(255, 255, 255, 0.85); color: var(--muted); font-weight: 500; }
.chip.date.overdue { background: rgba(253, 222, 232, 0.9); color: var(--danger); }
.chip.ok { background: rgba(214, 245, 229, 0.9); color: #1f7a52; }

.empty { text-align: center; padding: 2.5rem 1rem; }
.empty-icon {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 10px 26px rgba(var(--accent-rgb), 0.3);
}

/* ---------- Вход / регистрация ---------- */
.auth-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  width: 100%;
  max-width: 880px;
  padding: 10px;
  border-radius: 34px;
}
.auth-art {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 480px;
  padding: 2rem;
  border-radius: 26px;
  color: #fff;
  background: var(--gradient);
}
.auth-art::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 40% at 50% 0%, rgba(255, 255, 255, 0.95), transparent 75%),
    radial-gradient(40% 30% at 85% 60%, var(--art-glow), transparent 70%);
}
.auth-art > * { position: relative; }
.auth-art .logo { position: absolute; top: 2rem; left: 2rem; background: #fff; color: var(--accent); }
.auth-art h2 { font-size: 2.2rem; font-weight: 300; line-height: 1.15; letter-spacing: -0.02em; margin-bottom: .6rem; }
.auth-art p { margin: 0; opacity: .92; font-size: .95rem; }
.auth-form { padding: 2.5rem 2.25rem; display: flex; flex-direction: column; justify-content: center; }
.auth-form h1 { font-size: 1.8rem; }
.auth-form .lead { margin: 0 0 1.6rem; }
.auth-form .btn.wide { margin-top: .4rem; padding: .85rem; }
.auth-form .switch { margin: 1.4rem 0 0; text-align: center; font-size: .92rem; }

/* ---------- Прочие страницы ---------- */
.page-head { margin: 8px 0 24px; }
.form-card { max-width: 680px; padding: 2rem; }
.form-card h2 { margin-top: 1.8rem; }
.form-card h2:first-of-type { margin-top: 0; }
.profile { display: flex; gap: 1rem; align-items: center; margin-bottom: 1.6rem; }
.avatar {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient);
  color: #fff;
  font-size: 1.4rem;
  font-weight: 600;
  text-transform: uppercase;
}
.profile .email { font-weight: 600; }

.table-wrap { padding: 8px; overflow-x: auto; }
table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: .9rem; }
th, td { padding: .75rem 1rem; text-align: left; white-space: nowrap; }
th { color: var(--muted); font-weight: 500; font-size: .82rem; }
tbody tr td { background: rgba(255, 255, 255, 0.55); border-top: 4px solid transparent; background-clip: padding-box; }
tbody tr td:first-child { border-radius: var(--r-sm) 0 0 var(--r-sm); }
tbody tr td:last-child { border-radius: 0 var(--r-sm) var(--r-sm) 0; }
tbody tr.warn td { background: rgba(253, 222, 232, 0.75); }
code { font-size: .82rem; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

.error-card { max-width: 440px; margin: 10vh auto 0; text-align: center; padding: 2.5rem 2rem; }
.error-code {
  font-size: 4.5rem;
  font-weight: 300;
  line-height: 1;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Выбор темы ---------- */
.hero-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }

.swatch {
  display: inline-block;
  width: 26px;
  height: 26px;
  padding: 0;
  border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: 0 2px 8px rgba(40, 40, 60, 0.15);
  flex-shrink: 0;
}
.swatch-pink { background: linear-gradient(135deg, #f7629f, #c96fe0); }
.swatch-green { background: linear-gradient(135deg, #4fc27f, #9ed86a); }
.swatch-blue { background: linear-gradient(135deg, #4aa3f0, #7a8cf2); }

/* Компактный переключатель в шапке дашборда */
.theme-switch {
  display: inline-flex;
  gap: 6px;
  padding: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--glass-border);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
}
.theme-switch .swatch { cursor: pointer; transition: transform .15s; }
.theme-switch .swatch:hover { transform: scale(1.1); }
.theme-switch .swatch.active { box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--text); }

/* Выбор темы в профиле */
.theme-picker { display: flex; gap: .6rem; flex-wrap: wrap; }
.theme-option {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .55rem 1rem .55rem .6rem;
  font: inherit;
  font-size: .92rem;
  color: var(--text);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  cursor: pointer;
  transition: background .2s;
}
.theme-option:hover { background: #fff; }
.theme-option.active { background: #fff; box-shadow: 0 0 0 2px var(--accent); }

.inline-form { display: flex; gap: .6rem; }
.inline-form input { margin: 0; }
.inline-form .btn { flex-shrink: 0; }

/* ---------- Адаптив ---------- */
@media (max-width: 1000px) {
  .dashboard { grid-template-columns: 1fr; }
  .side-col { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .shell { grid-template-columns: 1fr; gap: 16px; padding: 12px 16px 96px; }
  /* Боковая панель превращается в нижнюю навигацию, как в мобильных приложениях */
  .sidebar {
    position: fixed;
    top: auto;
    left: 16px;
    right: 16px;
    bottom: 16px;
    z-index: 10;
    height: auto;
    flex-direction: row;
    justify-content: space-around;
    padding: 10px;
  }
  .sidebar .logo, .sidebar .spacer { display: none; }
  h1 { font-size: 1.6rem; }
  .hero { align-items: flex-start; }
  .stats { gap: 1.2rem; }
  .stat + .stat { padding-left: 1.2rem; }
  .stat-value { font-size: 1.5rem; }
  .side-col { grid-template-columns: 1fr; }
  .row { grid-template-columns: 1fr; }
  .task { grid-template-columns: auto 1fr; }
  .task-actions { grid-column: 1 / -1; justify-content: flex-end; }
  .auth-card { grid-template-columns: 1fr; }
  .auth-art { min-height: 220px; }
  .auth-form { padding: 1.75rem 1.25rem; }
  .form-card { padding: 1.4rem; }
}