/* ============ Система · мобильный трекер · 6 тем оформления ============ */

/* --- базовые переменные (тема «Ясный») --- */
:root{
  --bg:#F2F2F7; --bg2:#FFFFFF; --card:#FFFFFF; --card2:#F7F7FA;
  --text:#0B0B0C; --muted:#7A7A81; --line:#E4E4EA;
  --accent:#0A84FF; --accent-soft:#E6F0FF; --on-accent:#fff;
  --danger:#FF3B30; --warn:#FF9F0A; --ok:#30D158;
  --r:18px; --r-sm:12px; --r-lg:24px;
  --pad:14px; --gap:10px;
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Inter,system-ui,sans-serif;
  --font-h:var(--font);
  --shadow:0 1px 2px rgba(16,16,20,.05), 0 8px 24px -12px rgba(16,16,20,.18);
  --shadow-s:0 1px 2px rgba(16,16,20,.06);
  --head-bg:rgba(255,255,255,.72); --head-blur:saturate(180%) blur(20px);
  --tab-bg:rgba(255,255,255,.82);
  --title-w:700; --title-size:16px; --lh:1.35;
  --sheet-bg:#fff;
}

/* --- 2. Ночь --- */
[data-theme="night"]{
  --bg:#000000; --bg2:#0E0E10; --card:#141416; --card2:#1C1C1F;
  --text:#F5F5F7; --muted:#8E8E93; --line:#2A2A2E;
  --accent:#7C5CFF; --accent-soft:#221C42; --on-accent:#fff;
  --shadow:0 1px 0 rgba(255,255,255,.03); --shadow-s:none;
  --head-bg:rgba(10,10,12,.72); --tab-bg:rgba(14,14,16,.86);
  --sheet-bg:#141416;
}
[data-theme="night"] .brand-dot{box-shadow:0 0 14px var(--accent)}

/* --- 3. Бумага --- */
[data-theme="paper"]{
  --bg:#F6F1E7; --bg2:#FFFDF8; --card:#FFFDF8; --card2:#F3EDE1;
  --text:#241F1A; --muted:#8A7F70; --line:#E2D8C6;
  --accent:#8A5A2B; --accent-soft:#F0E3D2; --on-accent:#fff;
  --r:6px; --r-sm:4px; --r-lg:8px;
  --font:"Iowan Old Style","Palatino Linotype",Georgia,"Times New Roman",serif;
  --font-h:var(--font);
  --shadow:none; --shadow-s:none;
  --head-bg:rgba(246,241,231,.9); --tab-bg:rgba(246,241,231,.94);
  --title-w:600; --title-size:17px; --lh:1.45;
  --sheet-bg:#FFFDF8;
}
[data-theme="paper"] .card{border:1px solid var(--line)}
[data-theme="paper"] .sec-h{letter-spacing:.14em}

/* --- 4. Неон --- */
[data-theme="neon"]{
  --bg:#07070C; --bg2:#101019; --card:#13131F; --card2:#1B1B2B;
  --text:#FFFFFF; --muted:#9A9AB8; --line:#26263C;
  --accent:#FF2D95; --accent-soft:#2A0F22; --on-accent:#fff;
  --r:14px; --r-sm:10px; --r-lg:20px;
  --shadow:0 0 0 1px rgba(255,45,149,.12), 0 10px 30px -14px rgba(255,45,149,.5);
  --shadow-s:0 0 0 1px rgba(255,255,255,.05);
  --head-bg:rgba(7,7,12,.7); --tab-bg:rgba(10,10,18,.9);
  --title-w:800;
  --sheet-bg:#13131F;
}
[data-theme="neon"] body{background-image:radial-gradient(70% 50% at 50% -10%,rgba(255,45,149,.22),transparent 70%),radial-gradient(60% 40% at 100% 0%,rgba(0,224,255,.14),transparent 70%)}
[data-theme="neon"] .btn.prim{background:linear-gradient(120deg,#FF2D95,#7B5CFF);box-shadow:0 8px 24px -10px #FF2D95}
[data-theme="neon"] .fab{background:linear-gradient(120deg,#FF2D95,#7B5CFF);box-shadow:0 12px 30px -10px #FF2D95}
[data-theme="neon"] h1,[data-theme="neon"] .sec-h{text-transform:uppercase;letter-spacing:.04em}

/* --- 5. Компакт --- */
[data-theme="compact"]{
  --bg:#FFFFFF; --bg2:#FAFAFB; --card:#FFFFFF; --card2:#F4F4F6;
  --text:#111114; --muted:#6B7280; --line:#E5E7EB;
  --accent:#111114; --accent-soft:#EEEEF2; --on-accent:#fff;
  --r:6px; --r-sm:4px; --r-lg:8px;
  --pad:10px; --gap:6px;
  --font:ui-sans-serif,"SF Pro Text","Segoe UI",Inter,system-ui,sans-serif;
  --shadow:none; --shadow-s:none;
  --head-bg:rgba(255,255,255,.94); --tab-bg:rgba(255,255,255,.96);
  --title-w:560; --title-size:14.5px; --lh:1.3;
  --sheet-bg:#fff;
}
[data-theme="compact"] .card{border:1px solid var(--line)}
[data-theme="compact"] .task{padding:9px 10px}
[data-theme="compact"] .wrap{padding-left:8px;padding-right:8px}
[data-theme="compact"] .chip{border-radius:4px}

/* --- 6. Пастель --- */
[data-theme="pastel"]{
  --bg:#F5F3FF; --bg2:#FFFFFF; --card:#FFFFFF; --card2:#F6F4FF;
  --text:#2A2440; --muted:#8B85A8; --line:#EAE6FB;
  --accent:#7C6BF5; --accent-soft:#EDE9FE; --on-accent:#fff;
  --r:24px; --r-sm:16px; --r-lg:32px;
  --pad:16px; --gap:12px;
  --shadow:0 10px 30px -18px rgba(80,60,180,.5);
  --shadow-s:0 4px 14px -10px rgba(80,60,180,.5);
  --head-bg:rgba(245,243,255,.8); --tab-bg:rgba(255,255,255,.9);
  --title-w:650;
  --sheet-bg:#fff;
}
[data-theme="pastel"] body{background-image:radial-gradient(60% 40% at 0% 0%,#E6F4FF,transparent 60%),radial-gradient(50% 40% at 100% 10%,#FFE9F6,transparent 60%)}

/* ============ каркас ============ */
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  background:var(--bg);color:var(--text);font-family:var(--font);
  font-size:16px;line-height:var(--lh);
  -webkit-font-smoothing:antialiased;
  padding-bottom:calc(72px + env(safe-area-inset-bottom));
  min-height:100vh;background-repeat:no-repeat;background-size:100% 100vh;
}
a{color:inherit;text-decoration:none}
h1{font-family:var(--font-h);font-size:26px;font-weight:800;letter-spacing:-.02em;margin:2px 0 2px}
h2{font-size:19px;font-weight:700;margin:0 0 6px}
h3{font-size:17px;font-weight:700;margin:0 0 10px}
p{margin:0 0 8px}

.top{position:sticky;top:0;z-index:40;background:var(--head-bg);
  -webkit-backdrop-filter:var(--head-blur);backdrop-filter:var(--head-blur);
  border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top)}
.top-in{display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px var(--pad);min-height:48px}
.top-l{display:flex;align-items:center;gap:10px;min-width:0}
.brand{display:flex;align-items:center;gap:8px;font-weight:800;letter-spacing:-.02em;font-size:18px}
.brand-dot{width:10px;height:10px;border-radius:50%;background:var(--accent);display:inline-block}
.back{display:flex;align-items:center;gap:4px;color:var(--accent);font-weight:600;font-size:15px}
.top-me{font-size:13px;color:var(--muted);border:1px solid var(--line);border-radius:99px;
  padding:6px 11px;white-space:nowrap;max-width:44vw;overflow:hidden;text-overflow:ellipsis}
.htitle{font-weight:700;font-size:16px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.wrap{padding:14px var(--pad) 0;max-width:720px;margin:0 auto}
.tail{height:24px}

/* нижняя навигация */
.tabs{position:fixed;left:0;right:0;bottom:0;z-index:50;display:grid;grid-template-columns:repeat(5,1fr);
  background:var(--tab-bg);-webkit-backdrop-filter:var(--head-blur);backdrop-filter:var(--head-blur);
  border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}
.tab{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  padding:8px 2px 7px;color:var(--muted);font-size:10.5px;font-weight:600;min-height:52px}
.tab svg{width:22px;height:22px}
.tab.on{color:var(--accent)}

.fab{position:fixed;right:16px;bottom:calc(74px + env(safe-area-inset-bottom));z-index:55;
  width:56px;height:56px;border-radius:50%;border:0;background:var(--accent);color:var(--on-accent);
  display:flex;align-items:center;justify-content:center;box-shadow:0 10px 26px -10px rgba(0,0,0,.5);
  cursor:pointer;transition:transform .15s}
.fab:active{transform:scale(.92)}

/* ============ элементы ============ */
.sec-h{font-size:11.5px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);
  margin:20px 2px 8px;display:flex;align-items:center;gap:8px}
.sec-h .n{background:var(--card2);border-radius:99px;padding:1px 7px;font-size:11px;letter-spacing:0}
.sec-h.hot{color:var(--danger)}

.card{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden}
.card+.card{margin-top:var(--gap)}
.pad{padding:var(--pad)}
.list{display:flex;flex-direction:column;gap:var(--gap)}
.stack{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden}
.stack .task+.task{border-top:1px solid var(--line)}

/* задача */
.task{display:flex;gap:11px;align-items:flex-start;padding:12px var(--pad);background:var(--card)}
.task:active{background:var(--card2)}
.tick{flex:0 0 auto;width:24px;height:24px;border-radius:50%;border:2px solid var(--line);
  background:transparent;margin-top:1px;cursor:pointer;display:flex;align-items:center;justify-content:center;
  padding:0;transition:.15s}
.tick svg{width:14px;height:14px;opacity:0;color:var(--on-accent)}
.tick.done{background:var(--accent);border-color:var(--accent)}
.tick.done svg{opacity:1}
.t-body{min-width:0;flex:1}
.t-title{font-weight:var(--title-w);font-size:var(--title-size);letter-spacing:-.01em;word-wrap:break-word}
.task.is-done .t-title{color:var(--muted);text-decoration:line-through}
.t-meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:5px;align-items:center}
.mini{font-size:11.5px;color:var(--muted);display:inline-flex;align-items:center;gap:4px}
.mini.late{color:var(--danger);font-weight:700}
.mini.soon{color:var(--warn);font-weight:600}
.dot{width:7px;height:7px;border-radius:50%;flex:0 0 auto}
.flame{font-size:12px}

.chip{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;font-weight:600;
  padding:3px 9px;border-radius:99px;background:var(--card2);color:var(--muted);white-space:nowrap}
.chip.on{background:var(--accent);color:var(--on-accent)}
.chip.line{background:transparent;border:1px solid var(--line)}
.chips{display:flex;gap:7px;overflow-x:auto;padding:2px 0 10px;scrollbar-width:none;-ms-overflow-style:none}
.chips::-webkit-scrollbar{display:none}
.chips.pad{padding-left:var(--pad);padding-right:var(--pad);margin:0 calc(-1*var(--pad))}

.pill{display:inline-block;font-size:11px;font-weight:700;padding:3px 8px;border-radius:99px;
  background:var(--accent-soft);color:var(--accent)}
.pill.gray{background:var(--card2);color:var(--muted)}
.pill.red{background:rgba(255,59,48,.14);color:var(--danger)}
.pill.green{background:rgba(48,209,88,.16);color:#1B9E45}
.pill.amber{background:rgba(255,159,10,.16);color:#B26B00}

.muted{color:var(--muted)}
.small{font-size:13px}
.tiny{font-size:11.5px}
.mt{margin-top:12px}
.mb{margin-bottom:12px}
.center{text-align:center}
.empty{padding:26px 16px;text-align:center;color:var(--muted);font-size:14px}

/* прогресс */
.bar{height:8px;border-radius:99px;background:var(--card2);overflow:hidden}
.bar i{display:block;height:100%;background:var(--accent);border-radius:99px;transition:width .3s}

/* пространство-карточка */
.sp{display:flex;align-items:center;gap:12px;padding:14px var(--pad);background:var(--card)}
.sp-ic{width:42px;height:42px;border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;
  font-size:22px;background:var(--card2);flex:0 0 auto}
.sp-name{font-weight:700;font-size:16px}
.stack .sp+.sp{border-top:1px solid var(--line)}

/* сетка статистики */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.stat{background:var(--card);border-radius:var(--r);padding:12px 10px;text-align:center;box-shadow:var(--shadow-s)}
.stat b{display:block;font-size:22px;font-weight:800;letter-spacing:-.02em}
.stat span{font-size:11px;color:var(--muted)}

/* формы */
.fld{width:100%;font:inherit;font-size:16px;color:var(--text);background:var(--card2);
  border:1px solid var(--line);border-radius:var(--r-sm);padding:12px 13px;margin-bottom:10px;
  outline:none;-webkit-appearance:none;appearance:none}
.fld:focus{border-color:var(--accent);background:var(--card)}
.fld.big{font-size:18px;font-weight:600}
select.fld{background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%238A8A8E' stroke-width='2.5'><path d='M6 9l6 6 6-6'/></svg>");
  background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}
textarea.fld{resize:vertical;min-height:56px;line-height:1.45}
.lbl{display:block;font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:var(--muted);margin:4px 2px 6px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.btn{font:inherit;font-size:15px;font-weight:600;padding:12px 16px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--card2);color:var(--text);cursor:pointer;min-height:44px}
.btn.prim{background:var(--accent);color:var(--on-accent);border-color:transparent}
.btn.ghost{background:transparent}
.btn.dang{color:var(--danger);background:transparent;border-color:transparent}
.btn.sm{padding:8px 12px;font-size:13.5px;min-height:38px}
.btn.wide{width:100%}
.btn:active{opacity:.75}
.btns{display:flex;gap:8px;flex-wrap:wrap}
.seg{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.seg button{font:inherit;font-size:13px;font-weight:600;padding:10px 4px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--card2);color:var(--muted);cursor:pointer}
.seg button.on{background:var(--accent);color:var(--on-accent);border-color:transparent}

/* нижний лист */
.sheet{border:0;padding:0;background:transparent;width:100%;max-width:560px;margin:auto auto 0;
  max-height:92dvh}
.sheet::backdrop{background:rgba(0,0,0,.42);backdrop-filter:blur(2px)}
.sheet-in{background:var(--sheet-bg);border-radius:22px 22px 0 0;padding:8px var(--pad)
  calc(16px + env(safe-area-inset-bottom));max-height:92dvh;overflow:auto}
.sheet-grip{width:38px;height:4px;border-radius:99px;background:var(--line);margin:6px auto 12px}
.sheet-act{display:grid;grid-template-columns:1fr 1.4fr;gap:10px;margin-top:6px}
@media (min-width:600px){.sheet{margin:auto}.sheet-in{border-radius:20px}}

/* участники: чипы-чекбоксы */
.member-grid{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:10px}
.member-chip{position:relative;cursor:pointer}
.member-chip input{position:absolute;opacity:0;pointer-events:none}
.member-chip span{display:inline-flex;align-items:center;gap:5px;font-size:13px;font-weight:600;
  padding:8px 12px;border-radius:99px;background:var(--card2);color:var(--muted);
  border:1.5px solid var(--line);min-height:36px}
.member-chip input:checked + span{background:var(--accent);color:var(--on-accent);border-color:transparent}

/* комментарии */
.cmt{padding:12px var(--pad);border-top:1px solid var(--line)}
.cmt-h{display:flex;justify-content:space-between;gap:8px;font-size:12px;margin-bottom:3px}
.cmt-a{font-weight:700}
.cmt-b{font-size:14.5px;white-space:pre-wrap;word-wrap:break-word}

/* файлы */
.file{display:flex;align-items:center;gap:10px;padding:11px var(--pad);border-top:1px solid var(--line)}
.file-ic{width:34px;height:34px;border-radius:9px;background:var(--card2);display:flex;align-items:center;
  justify-content:center;font-size:16px;flex:0 0 auto}
.file-n{flex:1;min-width:0;font-size:14px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.drop{display:flex;align-items:center;justify-content:center;gap:8px;padding:14px;border:1.5px dashed var(--line);
  border-radius:var(--r-sm);color:var(--muted);font-size:14px;font-weight:600;cursor:pointer;margin:var(--pad)}

/* витрина тем */
.theme-card{border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}
.theme-prev{padding:12px;display:flex;flex-direction:column;gap:8px}
.theme-row{display:flex;align-items:center;gap:8px;font-size:13px}
.theme-bar{height:8px;border-radius:99px}
.theme-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px var(--pad);
  background:var(--card);border-top:1px solid var(--line)}
.swatches{display:flex;gap:5px}
.sw{width:16px;height:16px;border-radius:50%;border:1px solid rgba(0,0,0,.08)}

details.acc{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden}
details.acc+details.acc{margin-top:var(--gap)}
details.acc>summary{list-style:none;padding:13px var(--pad);font-weight:700;cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;gap:8px}
details.acc>summary::-webkit-details-marker{display:none}
details.acc[open]>summary{border-bottom:1px solid var(--line)}

.note{background:var(--card2);border-radius:var(--r-sm);padding:12px 13px;font-size:14px;line-height:1.5;
  white-space:pre-wrap;word-wrap:break-word}
.hr{height:1px;background:var(--line);margin:14px 0}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(84px + env(safe-area-inset-bottom));
  background:var(--text);color:var(--bg);padding:10px 16px;border-radius:99px;font-size:13.5px;font-weight:600;
  z-index:99;opacity:0;transition:opacity .2s;pointer-events:none}
.toast.on{opacity:.95}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}