/* QR Студио — „мастило върху хартия“: бяла печатна хартия, черно мастило, един сигнален цвят (печатарско синьо-зелено).
   Подписът: окото на QR кода (квадрат в квадрат) като знак, водач в навигацията и празни състояния. */
:root {
  --paper: #eef1f0; --sheet: #ffffff; --ink: #0e1116; --ink-2: #4a525c; --ink-3: #8a929b; --line: #d9dedc;
  --cyan: #007c91; --cyan-soft: #d9f0f3; --ok: #1a7f4b; --ok-soft: #dff3e7; --warn: #b4540a; --warn-soft: #fdebd3; --bad: #b3261e; --bad-soft: #fbe3e1;
  --r: 14px; --r-s: 9px; --shadow: 0 1px 0 rgba(14,17,22,.04), 0 8px 24px -12px rgba(14,17,22,.18);
  --f-body: "Golos Text", system-ui, sans-serif; --f-display: "Golos Text", system-ui, sans-serif; --f-num: "Unbounded", "Golos Text", sans-serif; --f-mono: "JetBrains Mono", ui-monospace, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--paper); color: var(--ink); font: 15px/1.45 var(--f-body); font-feature-settings: "locl" 0; -webkit-font-smoothing: antialiased; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 2px; border-radius: 6px; }
a { color: var(--cyan); }
h1, h2, h3 { margin: 0; font-weight: 600; }
.mono { font-family: var(--f-mono); font-size: .86em; letter-spacing: -.01em; }
.muted { color: var(--ink-2); } .faint { color: var(--ink-3); }
.eye { display: inline-block; width: 1em; height: 1em; border: .16em solid currentColor; border-radius: .26em; position: relative; flex: none; }
.eye::after { content: ""; position: absolute; inset: .14em; background: currentColor; border-radius: .1em; }

/* рамка на приложението */
.shell { display: grid; grid-template-columns: 232px 1fr; min-height: 100vh; }
.side { background: var(--ink); color: #e9ecea; padding: 20px 14px; display: flex; flex-direction: column; gap: 4px; position: sticky; top: 0; height: 100vh; }
.brand { display: flex; align-items: center; gap: 10px; padding: 4px 8px 18px; font-family: var(--f-display); font-weight: 700; font-size: 15px; letter-spacing: .01em; }
.brand .eye { font-size: 22px; color: #fff; }
.nav { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: var(--r-s); color: #b9c0c4; text-decoration: none; border: 0; background: none; width: 100%; text-align: left; }
.nav:hover { background: rgba(255,255,255,.07); color: #fff; }
.nav[aria-current="page"] { background: #fff; color: var(--ink); font-weight: 600; }
.nav .n { margin-left: auto; font: 600 12px var(--f-mono); opacity: .7; }
.nav svg { width: 18px; height: 18px; flex: none; }
.side .sep { height: 1px; background: rgba(255,255,255,.1); margin: 10px 6px; }
.side .foot { margin-top: auto; padding: 10px; font-size: 12.5px; color: #8f989d; }
.side .foot b { color: #e9ecea; font-weight: 600; display: block; font-family: var(--f-mono); font-size: 12px; }
.main { padding: 26px 30px 60px; min-width: 0; }
.head { display: flex; align-items: flex-end; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.head h1 { font: 700 27px/1.15 var(--f-display); letter-spacing: -.02em; }
.head p { margin: 4px 0 0; color: var(--ink-2); }
.head .sp { margin-left: auto; display: flex; gap: 8px; align-items: center; }

/* копчета и полета */
.btn { border: 1px solid var(--line); background: var(--sheet); padding: 8px 14px; border-radius: 999px; font-weight: 600; display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; }
.btn:hover { border-color: var(--ink); }
.btn.primary { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn.primary:hover { background: #262b33; }
.btn.accent { background: var(--cyan); color: #fff; border-color: var(--cyan); }
.btn.danger { color: var(--bad); }
.btn.small { padding: 5px 11px; font-size: 13px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.icon { border: 0; background: none; width: 34px; height: 34px; border-radius: 9px; display: inline-grid; place-items: center; color: var(--ink-2); }
.icon:hover { background: var(--paper); color: var(--ink); }
.icon svg { width: 18px; height: 18px; }
.field { display: grid; gap: 5px; margin-bottom: 14px; }
.field > span { font-size: 13px; font-weight: 600; color: var(--ink-2); }
.field small { color: var(--ink-3); }
input[type=text], input[type=url], input[type=password], input[type=search], select, textarea { background: var(--sheet); border: 1px solid var(--line); border-radius: var(--r-s); padding: 9px 11px; width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--cyan); outline-offset: 0; border-color: transparent; }
textarea { min-height: 150px; resize: vertical; font-family: var(--f-mono); font-size: 13px; }
.seg { display: inline-flex; background: var(--paper); border-radius: 999px; padding: 3px; gap: 2px; flex-wrap: wrap; }
.seg button { border: 0; background: none; padding: 6px 12px; border-radius: 999px; font-weight: 500; font-size: 13.5px; color: var(--ink-2); }
.seg button[aria-pressed="true"] { background: var(--sheet); color: var(--ink); font-weight: 600; box-shadow: 0 1px 2px rgba(0,0,0,.12); }
.swatch { display: flex; align-items: center; gap: 8px; }
.swatch input[type=color] { width: 38px; height: 34px; padding: 2px; border: 1px solid var(--line); border-radius: 8px; background: var(--sheet); }

/* листове */
.sheet { background: var(--sheet); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--shadow); }
.pad { padding: 18px 20px; }
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.toolbar input[type=search] { max-width: 320px; }
.toolbar select { width: auto; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 18px; }
.tile { padding: 14px 16px; }
.tile .k { font-size: 12.5px; color: var(--ink-2); font-weight: 600; }
.tile .v { font: 700 26px/1.2 var(--f-num); margin-top: 4px; }
.tile .d { font-size: 12.5px; color: var(--ink-3); }

/* ред с код: „коректурен лист“ */
.codes { display: grid; gap: 10px; }
.code { display: grid; grid-template-columns: 84px minmax(0, 1fr) auto; gap: 16px; align-items: center; padding: 12px 14px 12px 12px; }
.code .thumb { width: 84px; height: 96px; display: grid; place-items: center; background: var(--paper); border-radius: 10px; padding: 6px; border: 0; }
.code .thumb svg { max-width: 100%; max-height: 100%; height: auto; width: auto; display: block; }
.code h3 { font-size: 16px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.code .meta { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-top: 3px; font-size: 13px; color: var(--ink-2); }
.code .short { display: inline-flex; align-items: center; gap: 6px; background: var(--paper); border-radius: 7px; padding: 2px 4px 2px 8px; border: 0; color: var(--ink); }
.code .short:hover { background: var(--cyan-soft); }
.code .target { display: flex; gap: 6px; align-items: center; margin-top: 5px; font-size: 13px; min-width: 0; }
.code .target a { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--ink-2); text-decoration: none; min-width: 0; }
.code .target a:hover { color: var(--cyan); text-decoration: underline; }
.code .right { display: flex; align-items: center; gap: 4px; }
.code .scans { text-align: right; margin-right: 10px; min-width: 64px; }
.code .scans b { font: 700 20px var(--f-num); display: block; line-height: 1.1; }
.code .scans span { font-size: 12px; color: var(--ink-3); }
.grid .codes { grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); }
.grid .code { grid-template-columns: 1fr; text-align: left; }
.grid .code .thumb { width: 100%; height: 170px; }
.grid .code .right { justify-content: space-between; }
.chip { font-size: 12px; font-weight: 600; padding: 2px 8px; border-radius: 999px; background: var(--paper); color: var(--ink-2); white-space: nowrap; }
.chip.ok { background: var(--ok-soft); color: var(--ok); } .chip.warn { background: var(--warn-soft); color: var(--warn); } .chip.bad { background: var(--bad-soft); color: var(--bad); } .chip.cy { background: var(--cyan-soft); color: var(--cyan); }
.empty { text-align: center; padding: 56px 20px; color: var(--ink-2); }
.empty .eye { font-size: 44px; color: var(--line); margin-bottom: 14px; }
.empty h3 { color: var(--ink); margin-bottom: 4px; font-size: 17px; }

/* редактор */
.editor { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 18px; align-items: start; }
.preview { position: sticky; top: 20px; padding: 18px; text-align: center; }
.preview .stage { background: repeating-conic-gradient(#f3f5f4 0 25%, #fff 0 50%) 0 0 / 18px 18px; border-radius: 12px; padding: 22px; display: grid; place-items: center; min-height: 300px; }
.preview .stage svg { max-width: 100%; height: auto; max-height: 340px; width: auto; }
.preview .facts { font-size: 12.5px; color: var(--ink-2); margin: 12px 0; text-align: left; display: grid; gap: 3px; }
.preview .dl { display: flex; gap: 6px; justify-content: center; flex-wrap: wrap; }
.frames { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.frames button { border: 1px solid var(--line); background: var(--sheet); border-radius: 10px; padding: 8px 6px 6px; display: grid; gap: 4px; justify-items: center; font-size: 12px; color: var(--ink-2); }
.frames button svg { height: 62px; width: auto; }
.frames button[aria-pressed="true"] { border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); color: var(--ink); font-weight: 600; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.section-t { font: 600 12px var(--f-body); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); margin: 6px 0 10px; }

/* графики */
.bars { display: flex; align-items: flex-end; gap: 3px; height: 150px; padding-top: 10px; }
.bars div { flex: 1; background: var(--ink); border-radius: 3px 3px 0 0; min-height: 2px; position: relative; }
.bars div.zero { background: var(--line); }
.bars div:hover { background: var(--cyan); }
.bars div:hover::after { content: attr(data-t); position: absolute; bottom: calc(100% + 6px); left: 50%; transform: translateX(-50%); background: var(--ink); color: #fff; font-size: 11.5px; padding: 3px 7px; border-radius: 6px; white-space: nowrap; z-index: 2; }
.axis { display: flex; justify-content: space-between; font-size: 11.5px; color: var(--ink-3); margin-top: 6px; }
.rank { display: grid; gap: 7px; }
.rank .r { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; font-size: 13.5px; position: relative; padding: 4px 8px; }
.rank .r i { position: absolute; inset: 0 auto 0 0; background: var(--cyan-soft); border-radius: 6px; z-index: 0; }
.rank .r span, .rank .r b { position: relative; z-index: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; }
table.t { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.t th { text-align: left; font-size: 12px; color: var(--ink-3); font-weight: 600; padding: 6px 10px; border-bottom: 1px solid var(--line); }
table.t td { padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.t tr:last-child td { border-bottom: 0; }

/* изскачащи */
.scrim { position: fixed; inset: 0; background: rgba(14,17,22,.45); display: grid; place-items: center; padding: 20px; z-index: 50; }
.modal { background: var(--sheet); border-radius: 18px; width: min(560px, 100%); max-height: 90vh; overflow: auto; padding: 22px; box-shadow: 0 30px 80px -20px rgba(0,0,0,.5); }
.modal.wide { width: min(980px, 100%); }
.modal h2 { font: 700 18px var(--f-display); margin-bottom: 14px; }
.modal .acts { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; }
.toast { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 999px; font-weight: 500; z-index: 80; box-shadow: var(--shadow); }
.toast.err { background: var(--bad); }
.note { background: var(--warn-soft); color: #6b3305; border-radius: var(--r-s); padding: 10px 12px; font-size: 13.5px; margin-bottom: 14px; }
.note.info { background: var(--cyan-soft); color: #054652; }
.login { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login .sheet { width: min(380px, 100%); padding: 28px; }
.login .eye { font-size: 40px; margin-bottom: 14px; }
.login h1 { font: 700 22px var(--f-display); margin-bottom: 6px; }
.menu { position: absolute; background: var(--sheet); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); padding: 5px; z-index: 40; min-width: 190px; }
.menu button { display: flex; width: 100%; gap: 8px; border: 0; background: none; padding: 8px 10px; border-radius: 8px; text-align: left; }
.menu button:hover { background: var(--paper); }

@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .side { position: fixed; inset: auto 0 0 0; height: auto; flex-direction: row; padding: 6px; z-index: 30; gap: 2px; overflow-x: auto; }
  .side .brand, .side .sep, .side .foot, .nav .n { display: none; }
  .nav { flex-direction: column; gap: 2px; font-size: 11px; padding: 6px 8px; min-width: 68px; text-align: center; align-items: center; }
  .main { padding: 18px 14px 96px; }
  .editor { grid-template-columns: 1fr; } .preview { position: static; order: -1; }
  .code { grid-template-columns: 64px minmax(0, 1fr); } .code .thumb { width: 64px; height: 76px; } .code .right { grid-column: 1 / -1; justify-content: space-between; }
  .two { grid-template-columns: 1fr; } .frames { grid-template-columns: repeat(2, 1fr); }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }

/* поправки след първия оглед */
*, *::before, *::after { font-feature-settings: "locl" 0; }          /* без „ръкописните“ български форми в заглавията */
.btn { text-decoration: none; color: var(--ink); } .btn.primary, .btn.accent { color: #fff; }
.btn svg { width: 16px; height: 16px; flex: none; }
.seg button svg { width: 16px; height: 16px; display: block; }
.editor > * { min-width: 0; } .editor > div { grid-template-columns: minmax(0, 1fr); }
.code .target .faint { white-space: nowrap; }
.frames button { min-width: 0; }

/* избор на много кодове */
.code { grid-template-columns: 20px 84px minmax(0, 1fr) auto; }
.code .pick { width: 18px; height: 18px; accent-color: var(--ink); margin: 0; }
.code.picked { border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink), var(--shadow); }
.bulkbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; padding: 10px 14px; margin-bottom: 12px; position: sticky; top: 10px; z-index: 20; border-color: var(--ink); }
.bulkbar[hidden] { display: none; }
.bulkbar select { width: auto; padding: 5px 9px; font-size: 13px; }
.grid .code { grid-template-columns: 1fr; position: relative; } .grid .code .pick { position: absolute; top: 12px; left: 12px; z-index: 2; }
@media (max-width: 860px) { .code { grid-template-columns: 20px 64px minmax(0, 1fr); } }