/* ===========================================================
   Náhľady Tiptech - portal.css
   Systémové fonty, light + dark cez prefers-color-scheme.
   Akcent Tiptech: vínová #a6002e
   =========================================================== */

:root {
  --brand: #a6002e;
  --brand-600: #8a0026;
  --brand-700: #6e001e;
  --brand-tint: rgba(166, 0, 46, .08);

  --bg: #f4f5f7;
  --bg-elev: #ffffff;
  --bg-sunken: #eceef1;
  --surface: #ffffff;
  --text: #1c1f24;
  --text-soft: #565d66;
  --text-mut: #838b95;
  --border: #e2e5ea;
  --border-strong: #cfd4db;
  --ring: rgba(166, 0, 46, .35);

  --ok: #1f9d55;
  --ok-bg: rgba(31, 157, 85, .12);
  --warn: #c9760a;
  --warn-bg: rgba(201, 118, 10, .13);
  --danger: #c0263a;
  --danger-bg: rgba(192, 38, 58, .12);
  --info: #3163c4;
  --info-bg: rgba(49, 99, 196, .12);

  --shadow-sm: 0 1px 2px rgba(20, 24, 31, .06), 0 1px 3px rgba(20, 24, 31, .08);
  --shadow-md: 0 4px 12px rgba(20, 24, 31, .10), 0 2px 4px rgba(20, 24, 31, .06);
  --shadow-lg: 0 18px 50px rgba(20, 24, 31, .18);

  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 18px;

  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --maxw: 1120px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --brand: #ff4d6d;
    --brand-600: #ff6b85;
    --brand-700: #ff89a0;
    --brand-tint: rgba(255, 77, 109, .12);

    --bg: #14161a;
    --bg-elev: #1c1f25;
    --bg-sunken: #101215;
    --surface: #1c1f25;
    --text: #eceef1;
    --text-soft: #b4bcc6;
    --text-mut: #828b96;
    --border: #2b2f37;
    --border-strong: #3a3f49;
    --ring: rgba(255, 77, 109, .45);

    --ok: #3ecf7f;
    --ok-bg: rgba(62, 207, 127, .14);
    --warn: #e0973a;
    --warn-bg: rgba(224, 151, 58, .16);
    --danger: #ff6b7d;
    --danger-bg: rgba(255, 107, 125, .15);
    --info: #6ea0ff;
    --info-bg: rgba(110, 160, 255, .15);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .5);
    --shadow-md: 0 6px 18px rgba(0, 0, 0, .45);
    --shadow-lg: 0 22px 60px rgba(0, 0, 0, .6);
  }
}

/* ---------- reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3 { margin: 0; line-height: 1.25; font-weight: 650; letter-spacing: -.01em; }
p { margin: 0; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
.mono { font-family: var(--mono); font-size: .86em; }

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- brand mark ---------- */
.brand-mark {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border-radius: 14px;
  background: var(--brand);
  color: #fff;
  font-weight: 800;
  font-size: 26px;
  letter-spacing: -.02em;
  box-shadow: var(--shadow-md);
}
.brand-mark-sm { width: 34px; height: 34px; font-size: 17px; border-radius: 9px; box-shadow: none; }
.brand-mark-muted { background: var(--border-strong); color: var(--text-soft); }

/* ===========================================================
   LAYOUT: centrované stránky
   =========================================================== */
.page-center {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px;
}

/* ---------- landing ---------- */
.landing { width: 100%; max-width: 560px; text-align: center; }
.landing-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 44px 36px 38px;
  box-shadow: var(--shadow-lg);
  display: grid;
  gap: 16px;
  justify-items: center;
}
.landing-title { font-size: 30px; }
.landing-lead { color: var(--text-soft); max-width: 42ch; }
.landing-note { color: var(--text-mut); font-size: 13.5px; margin-top: 4px; }
.landing-foot { margin-top: 22px; color: var(--text-mut); font-size: 13px; }

/* ---------- auth cards ---------- */
.auth { width: 100%; max-width: 400px; }
.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px 30px 30px;
  box-shadow: var(--shadow-lg);
  display: grid;
  gap: 15px;
  justify-items: stretch;
  text-align: center;
}
.auth-card .brand-mark { justify-self: center; margin-bottom: 4px; }
.auth-title { font-size: 22px; }
.auth-sub { color: var(--text-soft); font-size: 14px; }
.auth-foot { color: var(--text-mut); font-size: 12.5px; margin-top: 4px; }
.auth-card .field, .auth-card .btn { text-align: left; }
.auth-dead { gap: 12px; }

/* ===========================================================
   FORM CONTROLS
   =========================================================== */
.field { display: grid; gap: 6px; }
.field-label {
  font-size: 12.5px; font-weight: 600; color: var(--text-soft);
  letter-spacing: .01em;
}
.input {
  width: 100%;
  font: inherit;
  color: var(--text);
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  transition: border-color .15s, box-shadow .15s;
}
.input::placeholder { color: var(--text-mut); }
.input:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px var(--ring); }
.input-sm { padding: 6px 9px; font-size: 13.5px; }
.textarea { resize: vertical; min-height: 90px; line-height: 1.5; }
.input-color {
  padding: 4px; height: 42px; cursor: pointer;
}
.field-color .input-color { max-width: 90px; }

select.input {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--text-mut) 50%),
                    linear-gradient(135deg, var(--text-mut) 50%, transparent 50%);
  background-position: calc(100% - 16px) 52%, calc(100% - 11px) 52%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 30px;
}

/* ===========================================================
   BUTTONS
   =========================================================== */
.btn {
  --btn-bg: var(--bg-elev);
  --btn-fg: var(--text);
  --btn-bd: var(--border-strong);
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  font: inherit; font-weight: 600; line-height: 1;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--btn-bd);
  background: var(--btn-bg);
  color: var(--btn-fg);
  cursor: pointer;
  text-decoration: none;
  transition: transform .08s, background .15s, border-color .15s, box-shadow .15s, opacity .15s;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .55; cursor: default; }

.btn-primary { --btn-bg: var(--brand); --btn-fg: #fff; --btn-bd: var(--brand); }
.btn-primary:hover { --btn-bg: var(--brand-600); --btn-bd: var(--brand-600); }
@media (prefers-color-scheme: dark) { .btn-primary { --btn-fg: #1a1114; } }

.btn-secondary { --btn-bg: var(--surface); --btn-fg: var(--text); }
.btn-secondary:hover { border-color: var(--text-mut); }

.btn-ghost { --btn-bg: transparent; --btn-bd: transparent; --btn-fg: var(--text-soft); }
.btn-ghost:hover { --btn-bg: var(--bg-sunken); --btn-fg: var(--text); }

.btn-approve { --btn-bg: var(--ok); --btn-fg: #fff; --btn-bd: var(--ok); }
.btn-approve:hover { filter: brightness(1.06); }
.btn-changes { --btn-bg: var(--danger); --btn-fg: #fff; --btn-bd: var(--danger); }
.btn-changes:hover { filter: brightness(1.06); }
@media (prefers-color-scheme: dark) {
  .btn-approve, .btn-changes { --btn-fg: #14161a; }
}

.btn-danger-ghost { --btn-bg: transparent; --btn-bd: transparent; --btn-fg: var(--danger); padding-left: 8px; padding-right: 8px; }
.btn-danger-ghost:hover { --btn-bg: var(--danger-bg); }

.btn-lg { padding: 13px 24px; font-size: 15.5px; }
.btn-sm { padding: 7px 12px; font-size: 13px; }
.btn-xs { padding: 5px 9px; font-size: 12px; }
.btn-block, .btn-block.btn { width: 100%; }

/* ===========================================================
   ALERTS / CALLOUTS
   =========================================================== */
.alert { padding: 10px 13px; border-radius: var(--radius-sm); font-size: 13.5px; border: 1px solid transparent; }
.alert-error { color: var(--danger); background: var(--danger-bg); border-color: var(--danger); }

.callout {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--ok);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow-sm);
  display: grid; gap: 12px;
}
.callout-success { border-left-color: var(--ok); }
.callout-head strong { font-size: 15px; }
.callout-grid { display: grid; gap: 12px; }
.callout-note { color: var(--text-soft); font-size: 13px; }
.kv { display: grid; gap: 5px; }
.kv-k { font-size: 12px; font-weight: 600; color: var(--text-soft); text-transform: uppercase; letter-spacing: .04em; }
.copy-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.copy-val {
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  overflow-x: auto; white-space: nowrap; max-width: 100%;
}

/* ===========================================================
   TOPBAR
   =========================================================== */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--bg-elev) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: var(--maxw); margin: 0 auto;
  padding: 12px 22px;
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
}
.topbar-brand { display: flex; align-items: center; gap: 11px; }
.topbar-title { font-weight: 650; letter-spacing: -.01em; }
.topbar-nav { display: flex; align-items: center; gap: 14px; }
.topbar-domain { color: var(--text-mut); }
@media (max-width: 560px) { .topbar-domain { display: none; } }

/* ===========================================================
   ADMIN
   =========================================================== */
.admin-main, .portal-main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 24px 22px 64px;
  display: grid;
  gap: 20px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.block { padding: 20px 22px 22px; }
.block-head { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.block-title { font-size: 17px; }
.counter {
  font-size: 12.5px; font-weight: 700; color: var(--text-soft);
  background: var(--bg-sunken); border: 1px solid var(--border);
  border-radius: 999px; padding: 1px 9px; min-width: 24px; text-align: center;
}
.subblock { margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--border); }
.subtitle { font-size: 14.5px; margin-bottom: 14px; color: var(--text-soft); }
.empty { color: var(--text-mut); font-size: 14px; padding: 8px 0; }

/* tables */
.table-wrap { overflow-x: auto; border-radius: var(--radius-sm); }
.table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 720px; }
.table th {
  text-align: left; font-size: 11.5px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .04em; color: var(--text-mut);
  padding: 8px 12px; border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.table td { padding: 11px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table tr:last-child td { border-bottom: 0; }
.table tbody tr:hover { background: var(--brand-tint); }
.num { font-variant-numeric: tabular-nums; text-align: right; }
.cell-main { display: flex; align-items: center; gap: 10px; }
.cell-title { font-weight: 600; }
.cell-sub { color: var(--text-mut); font-size: 12.5px; }
.proj-logo { width: 30px; height: 30px; border-radius: 7px; object-fit: contain; background: var(--bg-sunken); border: 1px solid var(--border); }
.inline-form { display: flex; gap: 6px; align-items: center; }

/* badges */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 12px; font-weight: 650; letter-spacing: .01em;
  padding: 3px 9px; border-radius: 999px;
  border: 1px solid transparent; white-space: nowrap;
}
.badge-type { background: var(--bg-sunken); color: var(--text-soft); border-color: var(--border); text-transform: lowercase; }
.badge-status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; opacity: .9; }
.badge-draft   { color: var(--text-soft); background: var(--bg-sunken);  border-color: var(--border); }
.badge-review  { color: var(--warn);   background: var(--warn-bg);   border-color: color-mix(in srgb, var(--warn) 40%, transparent); }
.badge-approved{ color: var(--ok);     background: var(--ok-bg);     border-color: color-mix(in srgb, var(--ok) 40%, transparent); }
.badge-changes { color: var(--danger); background: var(--danger-bg); border-color: color-mix(in srgb, var(--danger) 40%, transparent); }
.badge-kind { font-size: 11.5px; }
.badge-k-comment { color: var(--info);   background: var(--info-bg); }
.badge-k-approve { color: var(--ok);     background: var(--ok-bg); }
.badge-k-changes { color: var(--danger); background: var(--danger-bg); }

.chip-row { display: flex; flex-wrap: wrap; gap: 5px; }
.chip {
  font-size: 12px; padding: 2px 9px; border-radius: 999px;
  background: var(--brand-tint); color: var(--brand-700);
  border: 1px solid color-mix(in srgb, var(--brand) 25%, transparent);
}
@media (prefers-color-scheme: dark) { .chip { color: var(--brand); } }

/* forms grid */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 15px 18px;
  align-items: end;
}
.field-wide { grid-column: 1 / -1; }
.form-actions { grid-column: 1 / -1; }

.fieldset-projects { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px 14px; margin: 0; }
.fieldset-projects legend { padding: 0 6px; }
.check-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 8px 14px; margin-top: 8px; }
.check { display: flex; align-items: center; gap: 9px; cursor: pointer; font-size: 14px; }
.check input { position: absolute; opacity: 0; width: 0; height: 0; }
.check-box {
  width: 18px; height: 18px; flex: 0 0 auto;
  border: 1.5px solid var(--border-strong); border-radius: 5px;
  background: var(--bg-elev); position: relative; transition: .15s;
}
.check input:checked + .check-box { background: var(--brand); border-color: var(--brand); }
.check input:checked + .check-box::after {
  content: ""; position: absolute; left: 5px; top: 1.5px;
  width: 5px; height: 9px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(42deg);
}
.check input:focus-visible + .check-box { outline: 2px solid var(--brand); outline-offset: 2px; }
.check-text { color: var(--text); }

/* feedback list (admin) */
.feed-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.feed-item {
  display: flex; gap: 14px; align-items: flex-start; justify-content: space-between;
  padding: 13px 15px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border-strong);
  border-radius: var(--radius-sm);
}
.feed-comment { border-left-color: var(--info); }
.feed-approve { border-left-color: var(--ok); }
.feed-changes { border-left-color: var(--danger); }
.feed-main { display: grid; gap: 6px; min-width: 0; }
.feed-top { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.feed-proj { font-weight: 600; }
.feed-page { color: var(--text-mut); overflow-wrap: anywhere; }
.feed-msg { color: var(--text-soft); overflow-wrap: anywhere; }
.feed-resolve { flex: 0 0 auto; }

/* ===========================================================
   CLIENT PORTAL
   =========================================================== */
.proj-picker {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}
.proj-tile {
  text-align: left; cursor: pointer;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 15px;
  display: grid; gap: 7px;
  box-shadow: var(--shadow-sm);
  transition: border-color .15s, box-shadow .15s, transform .08s;
  font: inherit; color: var(--text);
}
.proj-tile:hover { border-color: var(--border-strong); box-shadow: var(--shadow-md); }
.proj-tile.is-active { border-color: var(--brand); box-shadow: 0 0 0 3px var(--ring); }
.proj-tile-name { font-weight: 650; }
.proj-tile-sub { font-size: 12.5px; color: var(--text-mut); }
.proj-tile .badge { justify-self: start; }

.viewer { padding: 0; overflow: hidden; }
.viewer-bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 14px; flex-wrap: wrap;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev);
}
.viewer-heading { display: flex; align-items: center; gap: 11px; min-width: 0; }
.viewer-title { font-size: 17px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.viewer-tools { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

.device-switch {
  display: inline-flex; background: var(--bg-sunken);
  border: 1px solid var(--border); border-radius: 999px; padding: 3px;
}
.dev-btn {
  font: inherit; font-size: 13px; font-weight: 600;
  border: 0; background: transparent; color: var(--text-soft);
  padding: 6px 14px; border-radius: 999px; cursor: pointer;
  transition: background .15s, color .15s;
}
.dev-btn:hover { color: var(--text); }
.dev-btn.is-active { background: var(--brand); color: #fff; box-shadow: var(--shadow-sm); }
@media (prefers-color-scheme: dark) { .dev-btn.is-active { color: #14161a; } }

.stage {
  padding: 22px;
  display: flex; justify-content: center;
  background:
    radial-gradient(circle at 50% 0, var(--brand-tint), transparent 60%),
    var(--bg-sunken);
}
.device-frame {
  width: 100%;
  transition: width .3s ease, max-width .3s ease;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  position: relative;
}
.device-notch { display: none; }
.preview-iframe {
  width: 100%; height: 78vh; min-height: 460px;
  border: 0; display: block; background: #fff;
}

/* desktop = plná šírka, jednoduchý rám */
.device-frame.is-desktop { max-width: 100%; border: 1px solid var(--border-strong); }

/* tablet + mobil = rám zariadenia */
.device-frame.is-tablet, .device-frame.is-mobile {
  border: 10px solid #101216;
  border-radius: 26px;
  box-shadow: var(--shadow-lg);
  padding-top: 22px;
  background: #101216;
}
.device-frame.is-tablet { max-width: 768px; }
.device-frame.is-mobile { max-width: 390px; border-width: 12px; border-radius: 34px; padding-top: 26px; }
.device-frame.is-tablet .preview-iframe,
.device-frame.is-mobile .preview-iframe {
  height: 74vh; border-radius: 16px; background: #fff;
}
.device-frame.is-tablet .device-notch,
.device-frame.is-mobile .device-notch {
  display: block; position: absolute; top: 8px; left: 50%; transform: translateX(-50%);
  width: 52px; height: 5px; border-radius: 999px; background: #33363d; z-index: 2;
}

/* feedback panel (client) */
.feedback-panel { padding: 20px 22px 22px; display: grid; gap: 12px; }
.fp-title { font-size: 16px; }
.fp-sub { color: var(--text-soft); font-size: 13.5px; }
.fp-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.fp-hint { font-size: 12.5px; }

/* ===========================================================
   TOAST
   =========================================================== */
.toast-host {
  position: fixed; right: 18px; bottom: 18px; z-index: 60;
  display: grid; gap: 10px; max-width: min(360px, calc(100vw - 36px));
}
.toast {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--info);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  padding: 12px 15px;
  font-size: 14px;
  display: flex; gap: 10px; align-items: flex-start;
  animation: toast-in .25s ease;
}
.toast.is-out { animation: toast-out .25s ease forwards; }
.toast-ok { border-left-color: var(--ok); }
.toast-err { border-left-color: var(--danger); }
.toast-ico { font-weight: 800; }
.toast-ok .toast-ico { color: var(--ok); }
.toast-err .toast-ico { color: var(--danger); }
@keyframes toast-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes toast-out { to { opacity: 0; transform: translateY(10px); } }

/* ===========================================================
   RESPONSIVE
   =========================================================== */
@media (max-width: 720px) {
  .form-grid { grid-template-columns: 1fr; }
  .admin-main, .portal-main { padding: 18px 14px 56px; }
  .topbar-inner { padding: 11px 14px; }
  .stage { padding: 14px; }
  .viewer-bar { padding: 12px 14px; }
  .device-frame.is-tablet { max-width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}