:root{--bg:#f4f6f8;--card:#fff;--ink:#1c2530;--mut:#7a8794;--line:#e2e8ee;--accent:#0b6fb8;--ok:#1a8f4a;--warn:#c47f00}
*{box-sizing:border-box}
body{margin:0;font:15px/1.5 system-ui,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg)}
.wrap{max-width:1100px;margin:0 auto;padding:24px}
.narrow{max-width:560px}
header{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:8px;margin-bottom:16px}
h1{font-size:22px;margin:0}
.role{font-size:13px;color:var(--mut)}
.tag{background:var(--ok);color:#fff;border-radius:10px;padding:1px 8px;font-size:12px}
.tag.muted{background:var(--mut)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
fieldset{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px}
legend{font-weight:600;padding:0 6px}
label{display:block;margin:10px 0;font-size:13px;color:var(--mut)}
input,select,textarea{width:100%;margin-top:4px;padding:8px;border:1px solid var(--line);border-radius:7px;font:inherit;color:var(--ink);background:#fff}
select[multiple]{padding:0}
small{color:var(--mut)}
.actions{grid-column:1/-1;display:flex;align-items:center;gap:14px}
button{background:var(--accent);color:#fff;border:0;border-radius:8px;padding:10px 20px;font:inherit;font-weight:600;cursor:pointer}
button:hover{filter:brightness(1.08)}
#results{margin-top:22px}
table{width:100%;border-collapse:collapse;background:var(--card);border-radius:10px;overflow:hidden;font-size:13px}
th,td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
thead th{background:#eef3f7;font-size:12px;text-transform:uppercase;letter-spacing:.02em;color:var(--mut)}
tbody tr:hover{background:#f7fbff}
.cover{border-radius:10px;padding:1px 8px;font-weight:600;font-size:12px;color:#fff}
.cover.ok{background:var(--ok)}
.cover.warn{background:var(--warn)}
.inq{color:var(--accent);font-weight:600;text-decoration:none}
.inq:hover{text-decoration:underline}
.muted{color:var(--mut)}
.err{color:#b00020}
@media(max-width:820px){.grid{grid-template-columns:1fr}}

/* --- admin / install additions --- */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.admin nav{margin:8px 0 18px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.admin nav a{color:var(--accent);text-decoration:none;font-weight:600}
.ok-box{background:#eafaf0;border:1px solid #bfe6cd;color:#155f34;border-radius:10px;padding:12px 14px;margin:12px 0}
.err{background:#fdecef;border:1px solid #f3c2cc;color:#b00020;border-radius:10px;padding:10px 14px;margin:12px 0}
ul.checks{list-style:none;padding:0}
ul.checks li{padding:6px 10px;border-radius:7px;margin:5px 0;background:var(--card);border:1px solid var(--line)}
ul.checks li.ok{border-color:#bfe6cd}
ul.checks li.bad{border-color:#f3c2cc;color:#b00020}
table.tbl{margin-top:10px}
button.link{background:none;border:0;color:var(--accent);padding:0 4px;font-weight:600;cursor:pointer}
.mediarow{padding:4px 0;border-bottom:1px solid var(--line)}
.tabs{display:flex;gap:8px;margin-bottom:16px}
.tabs button{background:#eef3f7;color:var(--ink)}
.tabs button.active{background:var(--accent);color:#fff}
@media(max-width:820px){.grid2,.grid3{grid-template-columns:1fr}}

/* --- auth pages --- */
.auth-card{margin-top:8vh;background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:0 6px 30px rgba(20,40,60,.06)}
.auth-card h1{margin-bottom:4px}

/* ============================================================
   DASHBOARD LAYOUT (минимално, институционално, висок контраст)
   ============================================================ */
:root{
  --bg:#eef1f4; --card:#ffffff; --ink:#14202b; --mut:#5f6f7c; --line:#dbe2e8;
  --accent:#0f5c9e; --accent-ink:#0b4577; --ok:#1a7f46; --warn:#b26a00;
  --side:#16212c; --side-ink:#c7d2dc; --side-active:#0f5c9e;
}
body.app{margin:0;display:grid;grid-template-columns:224px 1fr;min-height:100vh;background:var(--bg);color:var(--ink)}

/* sidebar */
.sidebar{background:var(--side);color:var(--side-ink);display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:10px;padding:18px 18px 14px;border-bottom:1px solid rgba(255,255,255,.08)}
.brand-mark{width:30px;height:30px;border-radius:7px;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:800}
.brand-name{font-weight:700;letter-spacing:.14em;font-size:14px}
.nav{display:flex;flex-direction:column;padding:10px 8px;gap:2px;flex:1}
.nav-item{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:8px;color:var(--side-ink);text-decoration:none;font-size:14px}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-item.active{background:var(--side-active);color:#fff;font-weight:600}
.nav-ic{width:18px;text-align:center;opacity:.9}
.nav-sep{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:#7f8f9c;padding:14px 12px 6px}
.side-foot{padding:14px 16px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;align-items:center;font-size:13px}
.side-foot .who{line-height:1.3}
.side-foot .muted{color:#8595a1}
.logout{color:#cdd6de;text-decoration:none;border:1px solid rgba(255,255,255,.18);padding:5px 10px;border-radius:7px}
.logout:hover{background:rgba(255,255,255,.08)}

/* shell + topbar */
.app-shell{display:flex;flex-direction:column;min-height:100vh}
.topbar{display:flex;justify-content:space-between;align-items:center;background:var(--card);border-bottom:1px solid var(--line);padding:12px 26px;position:sticky;top:0;z-index:5}
.page-title{font-size:18px;margin:0;font-weight:700}
.topbar-tools{display:flex;align-items:center;gap:14px}
.zoom{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.zoom button{background:#fff;color:var(--ink);border:0;border-left:1px solid var(--line);padding:6px 11px;font:inherit;font-weight:600;cursor:pointer;min-width:44px}
.zoom button:first-child{border-left:0}
.zoom button:hover{background:#f0f4f8}
.app-main{padding:22px 26px;max-width:1180px;width:100%}

/* dashboard content */
.announce{background:linear-gradient(0deg,#fff,#fbfdff);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:12px;padding:16px 18px;margin-bottom:22px}
.announce h2{margin:0 0 6px;font-size:17px}
.announce p{margin:0;color:#3a4753}
.section-head{display:flex;align-items:baseline;justify-content:space-between;margin:26px 0 12px}
.section-head h2{font-size:15px;text-transform:uppercase;letter-spacing:.06em;color:var(--mut);margin:0}
.section-head a{font-size:13px;color:var(--accent);text-decoration:none}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .15s,transform .15s}
.card:hover{box-shadow:0 8px 24px rgba(20,40,60,.08);transform:translateY(-1px)}
.card .thumb{height:132px;background:#e9eef3 center/cover no-repeat;border-bottom:1px solid var(--line)}
.card .body{padding:14px 15px;display:flex;flex-direction:column;gap:6px;flex:1}
.card .date{font-size:12px;color:var(--mut)}
.card h3{margin:0;font-size:15px;line-height:1.35}
.card p{margin:0;font-size:13px;color:#48555f;flex:1}
.card .go{color:var(--accent);text-decoration:none;font-weight:600;font-size:13px;margin-top:4px}
.card a.stretch{position:absolute;inset:0}
.pill{display:inline-block;background:#eef4fa;color:var(--accent-ink);border-radius:999px;padding:2px 9px;font-size:11px;font-weight:600}
.train-row{display:flex;gap:14px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:10px}
.train-row .ic{width:40px;height:40px;border-radius:9px;background:#eef4fa;color:var(--accent);display:grid;place-items:center;font-size:18px;flex:none}
.empty{color:var(--mut);background:var(--card);border:1px dashed var(--line);border-radius:12px;padding:22px;text-align:center}

/* keep calculator controls comfortable inside dashboard */
.app-main .grid{grid-template-columns:repeat(3,1fr)}
@media(max-width:1100px){.app-main .grid{grid-template-columns:1fr 1fr}}
@media(max-width:900px){
  body.app{grid-template-columns:1fr}
  .sidebar{position:static;height:auto;flex-direction:row;flex-wrap:wrap;align-items:center}
  .nav{flex-direction:row;flex-wrap:wrap;flex:1}
  .nav-sep{display:none}.side-foot{border-top:0}
  .app-main .grid{grid-template-columns:1fr}
}
.calc-meta{margin:2px 0 14px}
.app-main .tabs{margin-bottom:18px}
.app-main .tabs button{background:#fff;border:1px solid var(--line);color:var(--ink);border-radius:9px;padding:9px 15px}
.app-main .tabs button.active{background:var(--accent);border-color:var(--accent);color:#fff}
.nav-inline-sep{border-top:1px solid var(--line);margin:8px 0}
.checkline{display:flex;align-items:center;gap:8px}
.checkline input{width:auto;margin:0}
textarea{width:100%;padding:8px;border:1px solid var(--line);border-radius:7px;font:inherit}
.admin{max-width:1100px;margin:0 auto;padding:22px 26px}

/* --- guide / help --- */
.guide{display:grid;grid-template-columns:220px 1fr;gap:26px;align-items:start}
.toc{position:sticky;top:78px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;display:flex;flex-direction:column;gap:6px;font-size:13px}
.toc strong{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--mut);margin-bottom:4px}
.toc a{color:var(--ink);text-decoration:none;padding:2px 0}
.toc a:hover{color:var(--accent)}
.guide-body{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:8px 28px 24px;max-width:820px}
.guide-body h2{font-size:19px;margin:26px 0 8px;padding-top:8px;border-top:1px solid var(--line)}
.guide-body h2:first-child{border-top:0;margin-top:14px}
.guide-body h3{font-size:16px;margin:18px 0 6px;color:var(--accent-ink)}
.guide-body p{color:#3a4753;line-height:1.65}
.guide-body ul{margin:8px 0;padding-left:20px}
.guide-body li{margin:5px 0;line-height:1.6;color:#3a4753}
.guide-body .note{background:#fff8ec;border:1px solid #f0e0bf;border-radius:8px;padding:10px 12px;font-size:13px;color:#6b5312}
.guide-body code{background:#eef2f6;padding:1px 5px;border-radius:4px;font-size:13px}
html{scroll-behavior:smooth}
@media(max-width:900px){.guide{grid-template-columns:1fr}.toc{position:static}}

/* ============================================================
   UX/UI ъпгрейд 2026-07: чипове, карти-резултати, продуктова
   страница. Палитрата и минимализмът са запазени.
   ============================================================ */

/* --- подсказки в етикетите --- */
label .hint{display:inline;color:#93a1ad;font-weight:400}
.form-msg{font-size:13px;padding:6px 10px;border-radius:8px;display:none}
.form-msg.is-err{display:inline-block;background:#fdecef;border:1px solid #f3c2cc;color:#b00020}
.form-msg.is-info{display:inline-block;background:#eef4fa;border:1px solid #cfe0ef;color:var(--accent-ink)}
.count-badge{font-size:13px;color:var(--mut);font-weight:600}

/* --- чипове (замяна на multi-select) --- */
.chips-box{margin:6px 0 4px;border:1px solid var(--line);border-radius:8px;background:#fff}
.chips-box summary{cursor:pointer;padding:8px 10px;font-size:13px;color:var(--ink);list-style:none;display:flex;align-items:center;gap:6px}
.chips-box summary::before{content:'▸';color:var(--mut);transition:transform .15s}
.chips-box[open] summary::before{transform:rotate(90deg)}
.chips-summary{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%;color:var(--accent-ink);font-weight:600}
.chips{padding:4px 10px 10px;max-height:260px;overflow:auto}
.chip-cat{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--mut);margin:8px 0 4px}
.chip-row{display:flex;flex-wrap:wrap;gap:6px;margin:4px 0}
.chip{display:inline-flex;margin:0}
.chip input{position:absolute;opacity:0;width:0;height:0;margin:0}
.chip span{display:inline-block;padding:4px 11px;border:1px solid var(--line);border-radius:999px;font-size:12.5px;background:#fff;color:var(--ink);cursor:pointer;transition:all .12s;user-select:none}
.chip:hover span{border-color:var(--accent);color:var(--accent)}
.chip input:checked + span{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}
.chip input:focus-visible + span{outline:2px solid var(--accent);outline-offset:1px}

/* --- бутон spinner --- */
.spin{display:inline-block;width:13px;height:13px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;vertical-align:-2px;margin-right:4px}
@keyframes spin{to{transform:rotate(360deg)}}

/* --- резултати: карти топ-3 --- */
.result-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px;margin:14px 0 6px}
.rcard{position:relative;display:flex;flex-direction:column;gap:5px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;text-decoration:none;color:var(--ink);transition:box-shadow .15s,transform .15s,border-color .15s}
.rcard:hover{box-shadow:0 8px 24px rgba(20,40,60,.10);transform:translateY(-2px);border-color:#c4d6e6}
.rcard.best{border-color:var(--accent);box-shadow:0 4px 18px rgba(15,92,158,.10)}
.rcard-flag{position:absolute;top:-9px;left:14px;background:var(--accent);color:#fff;font-size:10.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:2px 9px;border-radius:999px}
.rcard-model{font-weight:700;font-size:15px;margin-top:2px}
.rcard-desc{font-size:12px;color:var(--mut);min-height:16px}
.rcard-cover{margin:2px 0}
.rcard-metrics{font-size:12.5px;color:#48555f}

/* --- таблица: скрол + сортиране --- */
.table-tools{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:10px 0 6px}
.table-scroll{overflow-x:auto;border-radius:10px;box-shadow:0 1px 3px rgba(20,40,60,.05)}
.table-scroll table{min-width:840px}
th[data-sort]{cursor:pointer;white-space:nowrap}
th[data-sort]:hover{color:var(--accent)}
tbody tr:nth-child(even){background:#fafcfe}
tbody tr:hover{background:#f2f8fd}
.model-link{color:var(--accent-ink);font-weight:700;text-decoration:none;border-bottom:1px dashed #b9cfe2}
.model-link:hover{color:var(--accent);border-bottom-style:solid}

/* --- бутони --- */
.btn-primary{display:inline-block;background:var(--accent);color:#fff;border-radius:8px;padding:10px 20px;font-weight:600;text-decoration:none;transition:filter .12s}
.btn-primary:hover{filter:brightness(1.08)}
.btn-ghost{display:inline-block;background:#fff;color:var(--accent-ink);border:1px solid var(--line);border-radius:8px;padding:8px 14px;font-weight:600;text-decoration:none;cursor:pointer;font-size:14px;transition:all .12s}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-ghost.small{padding:5px 10px;font-size:12.5px;margin:2px 4px 2px 0}

/* --- продуктова страница --- */
.crumbs{margin:0 0 14px;font-size:13px;color:var(--mut)}
.crumbs a{color:var(--accent);text-decoration:none}
.product-layout{display:grid;grid-template-columns:1fr 320px;gap:18px;align-items:start}
.product-main{display:flex;flex-direction:column;gap:16px}
.product-side{display:flex;flex-direction:column;gap:16px;position:sticky;top:78px}
.card.pad{padding:16px 18px}
.card.pad h3{margin:0 0 10px;font-size:15px}
.product-hero{display:grid;grid-template-columns:280px 1fr;gap:0;overflow:hidden}
.gallery{background:#f2f5f8;border-right:1px solid var(--line);display:flex;flex-direction:column}
.gallery img#galleryMain{width:100%;height:220px;object-fit:contain;background:#fff}
.thumbs{display:flex;gap:6px;padding:8px}
.thumbs img{width:48px;height:48px;object-fit:cover;border-radius:6px;border:2px solid transparent;cursor:pointer}
.thumbs img.active{border-color:var(--accent)}
.no-photo{display:grid;place-items:center;background:#f2f5f8;border-right:1px solid var(--line);color:#b6c2cc;min-height:220px}
.no-photo span{font-size:44px;display:block;text-align:center}
.no-photo small{font-size:12px}
.product-head{padding:18px 20px}
.product-head h2{margin:0 0 2px;font-size:21px}
.spec-badges{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0 14px}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap}
.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 22px}
.spec-grid > div{display:flex;justify-content:space-between;gap:12px;padding:7px 2px;border-bottom:1px dashed var(--line);font-size:13.5px}
.spec-grid > div span{color:var(--mut)}
.spec-grid .unit,.unit{color:var(--mut);font-weight:400;font-size:12px}
.doc-row{display:block;padding:9px 10px;border:1px solid var(--line);border-radius:8px;margin:6px 0;color:var(--accent-ink);text-decoration:none;font-size:13.5px;transition:border-color .12s}
.doc-row:hover{border-color:var(--accent);color:var(--accent)}
.price-box .price-base{display:flex;justify-content:space-between;font-size:14px;padding:6px 0;border-bottom:1px solid var(--line)}
.price-line{display:flex;justify-content:space-between;font-size:13px;color:#48555f;padding:3px 0}
.price-total{display:flex;justify-content:space-between;font-size:16px;font-weight:700;border-top:2px solid var(--ink);margin-top:8px;padding-top:8px}
.opt-line{padding:3px 0;font-size:13px}
.opt-line small{display:block;margin-left:2px}
.small{font-size:12.5px}
@media(max-width:1000px){.product-layout{grid-template-columns:1fr}.product-side{position:static}.product-hero{grid-template-columns:1fr}.gallery,.no-photo{border-right:0;border-bottom:1px solid var(--line)}}
@media(max-width:700px){.spec-grid{grid-template-columns:1fr}.table-scroll table{min-width:640px}}

/* --- табове с икони --- */
.app-main .tabs button small{display:block;font-size:10.5px;font-weight:400;color:inherit;opacity:.75}

/* --- сравнение на модели --- */
#cmpBar{display:none;position:fixed;bottom:18px;left:50%;transform:translateX(-50%);z-index:50;background:var(--side);color:#fff;border-radius:12px;padding:10px 16px;align-items:center;gap:14px;box-shadow:0 10px 30px rgba(10,25,40,.35);font-size:13.5px}
#cmpBar .btn-primary{padding:7px 16px}
#cmpBar .btn-ghost{background:transparent;color:#cdd6de;border-color:rgba(255,255,255,.25)}
.cmp-th{width:26px}
.cmp-box{width:15px;height:15px;margin:0;cursor:pointer;accent-color:var(--accent)}
table.cmp td.diff{background:#fff8ec;font-weight:600}
table.cmp th{vertical-align:top}
table.cmp{min-width:640px}

/* --- профил --- */
.profile-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px;align-items:start}

/* --- по-стегнат калкулатор (2026-07) --- */
.app-main{padding:14px 26px 24px}
.calc-meta{margin:0 0 10px}
.app-main .tabs{margin-bottom:12px}
fieldset{padding:10px 14px 12px}
legend{white-space:nowrap;max-width:100%;overflow:hidden;text-overflow:ellipsis}
.fs-hint{margin:2px 0 4px;font-size:12px;color:var(--mut)}
label{margin:8px 0}
.announce{padding:12px 16px;margin-bottom:14px}
.section-head{margin:18px 0 10px}
/* бутоните на реда за действие: вдясно, съобщенията вляво */
.actions{margin-top:2px}
.actions .spacer{flex:1}
.actions .btn-ghost{padding:9px 16px}

/* --- заглавията на кутийките ВЪТРЕ (не върху рамката) --- */
fieldset{padding:12px 14px 12px}
legend{float:left;width:100%;padding:0;margin:0 0 4px;font-size:14px;font-weight:700}
legend + *{clear:both}

/* --- по-тънка горна лента --- */
.topbar{padding:7px 20px;box-shadow:0 1px 6px rgba(20,40,60,.06)}
.page-title{font-size:15.5px}
.zoom button{padding:4px 9px;min-width:38px;font-size:13px}
.app-main{padding:12px 22px 22px}

/* --- мобилен пас --- */
@media(max-width:900px){
  .sidebar{padding:0}
  .brand{padding:8px 12px;border-bottom:0}
  .brand-name{font-size:12.5px;letter-spacing:.1em}
  .nav{padding:4px 6px;gap:2px;overflow-x:auto;flex-wrap:nowrap;scrollbar-width:none}
  .nav::-webkit-scrollbar{display:none}
  .nav-item{padding:7px 9px;font-size:12.5px;white-space:nowrap}
  .side-foot{padding:6px 12px;font-size:12px}
  .topbar{padding:6px 12px}
  .app-main{padding:10px 12px 18px}
  .app-main .tabs{gap:5px;flex-wrap:wrap}
  .app-main .tabs button{padding:7px 10px;font-size:13px}
  .actions{flex-wrap:wrap;gap:8px}
  .actions .btn-ghost,.actions button[type=submit]{flex:1;min-width:120px;text-align:center}
  .actions .spacer{display:none}
  .actions .form-msg{width:100%;order:5}
  .result-cards{grid-template-columns:1fr}
  fieldset{padding:10px 11px}
  #cmpBar{left:8px;right:8px;transform:none;justify-content:space-between}
  .profile-grid{grid-template-columns:1fr}
}