/* Hallmark · genre: editorial (soft) · design-system: docs/DESIGN.md · designed-as-app
 * theme: custom · vibe: "golden hour on a shop street, warm paper, ember" · paper: oklch(97.6% 0.012 75) · accent: oklch(53% 0.16 42)
 * display: Fraunces · body: Plus Jakarta Sans · axes: light / roman-serif / warm
 * Shared by every page: fonts, tokens, base type, buttons, forms, notices.
 */

@font-face {
  font-family: "Fraunces";
  src: url("fonts/Fraunces-Variable.woff2") format("woff2");
  font-weight: 100 900; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Fraunces";
  src: url("fonts/Fraunces-Variable-Italic.woff2") format("woff2");
  font-weight: 100 900; font-style: italic; font-display: swap;
}
@font-face {
  font-family: "Plus Jakarta Sans";
  src: url("fonts/PlusJakartaSans-Variable.woff2") format("woff2");
  font-weight: 200 800; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("fonts/JetBrainsMono-Variable.woff2") format("woff2");
  font-weight: 100 800; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Noto Sans Greek";
  src: url("fonts/NotoSans-Greek.woff2") format("woff2");
  font-weight: 100 900; font-style: normal; font-display: swap;
  unicode-range: U+370-377, U+37A-37F, U+384-38A, U+38C, U+38E-3A1, U+3A3-3FF;
}
@font-face {
  font-family: "Noto Sans Greek";
  src: url("fonts/NotoSans-GreekExt.woff2") format("woff2");
  font-weight: 100 900; font-style: normal; font-display: swap;
  unicode-range: U+1F00-1FFF;
}

/* ------------------------------------------------------------------ tokens */
/* One definition per token. light-dark() follows color-scheme: the workspace
   honours the theme toggle and the system setting; public pages stay light. */
:root {
  color-scheme: light dark;
  --paper: light-dark(oklch(97.6% 0.012 75), oklch(18.5% 0.014 50));
  --paper-2: light-dark(oklch(95.2% 0.018 72), oklch(21.5% 0.016 50));
  --paper-3: light-dark(oklch(92.2% 0.024 68), oklch(25.5% 0.018 52));
  --surface: light-dark(oklch(99.2% 0.005 80), oklch(22.5% 0.016 52));
  --ink: light-dark(oklch(23% 0.025 45), oklch(94% 0.012 75));
  --ink-2: light-dark(oklch(40% 0.022 48), oklch(84% 0.014 70));
  --muted: light-dark(oklch(43% 0.02 52), oklch(74% 0.016 65));
  --rule: light-dark(oklch(88.5% 0.02 65), oklch(31% 0.018 52));
  --rule-2: light-dark(oklch(92.5% 0.016 70), oklch(26.5% 0.016 52));
  --accent: light-dark(oklch(53% 0.16 42), oklch(74% 0.13 55));
  --accent-hover: light-dark(oklch(48% 0.15 38), oklch(79% 0.12 58));
  --accent-soft: light-dark(oklch(93.5% 0.04 58), oklch(29% 0.05 48));
  --accent-text: light-dark(oklch(47% 0.15 40), oklch(78% 0.12 55));
  --on-accent: light-dark(oklch(99% 0.008 80), oklch(22% 0.035 42));
  --ok: light-dark(oklch(45% 0.11 150), oklch(72% 0.12 150));
  --ok-soft: light-dark(oklch(94.5% 0.035 150), oklch(27% 0.04 150));
  --warn: light-dark(oklch(48% 0.11 65), oklch(82% 0.12 80));
  --warn-soft: light-dark(oklch(95% 0.05 85), oklch(28% 0.04 75));
  --danger: light-dark(oklch(50% 0.17 28), oklch(75% 0.14 28));
  --danger-soft: light-dark(oklch(95% 0.03 28), oklch(28% 0.05 28));
  --focus: light-dark(oklch(55% 0.19 42), oklch(78% 0.14 55));
  --apricot: light-dark(oklch(86% 0.09 62), oklch(34% 0.06 55));
  --blush: light-dark(oklch(90% 0.05 28), oklch(30% 0.04 28));
  --honey: light-dark(oklch(92% 0.07 88), oklch(32% 0.05 85));
  --shade: light-dark(oklch(36% 0.07 45), oklch(4% 0.01 45));
  --shadow-sm: 0 1px 2px color-mix(in oklch, var(--shade) 9%, transparent);
  --shadow-md: 0 1px 2px color-mix(in oklch, var(--shade) 8%, transparent),
               0 10px 28px -12px color-mix(in oklch, var(--shade) 30%, transparent);
  --shadow-lg: 0 2px 6px color-mix(in oklch, var(--shade) 8%, transparent),
               0 32px 64px -28px color-mix(in oklch, var(--shade) 42%, transparent);

  /* Frosted warm surfaces. Fill-only children reuse these without another blur. */
  --glass: light-dark(oklch(99.2% 0.005 80 / 0.46), oklch(22.5% 0.016 52 / 0.48));
  --glass-strong: light-dark(oklch(99.2% 0.005 80 / 0.78), oklch(22.5% 0.016 52 / 0.78));
  --glass-sheen: linear-gradient(to bottom,
    light-dark(oklch(100% 0 0 / 0.40), oklch(100% 0 0 / 0.08)),
    light-dark(oklch(100% 0 0 / 0.07), oklch(100% 0 0 / 0.015)));
  --glass-border: light-dark(oklch(100% 0 0 / 0.66), oklch(100% 0 0 / 0.11));
  --glass-highlight: inset 0 1px 0 light-dark(oklch(100% 0 0 / 0.82), oklch(100% 0 0 / 0.14)),
                     inset 1px 0 0 light-dark(oklch(100% 0 0 / 0.60), oklch(100% 0 0 / 0.10)),
                     0 0 0 1px color-mix(in oklch, var(--shade) 7%, transparent);
  --glass-blur: blur(22px) saturate(1.45);
  --glass-shadow: 0 3px 8px color-mix(in oklch, var(--shade) 5%, transparent),
                  0 24px 64px -20px color-mix(in oklch, var(--shade) 22%, transparent);
  --glass-ambient:
    radial-gradient(38rem 28rem at 88% 4%, color-mix(in oklch, var(--apricot) 95%, transparent), transparent 72%),
    radial-gradient(30rem 30rem at 0% 48%, color-mix(in oklch, var(--blush) 90%, transparent), transparent 72%),
    radial-gradient(34rem 26rem at 62% 100%, color-mix(in oklch, var(--honey) 95%, transparent), transparent 72%),
    radial-gradient(26rem 22rem at 22% 0%, color-mix(in oklch, var(--accent) 15%, transparent), transparent 75%),
    var(--paper);

  --font-display: "Fraunces", "Noto Sans Greek", Georgia, serif;
  --font-sans: "Plus Jakarta Sans", "Noto Sans Greek", ui-sans-serif, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  --s-1: 0.25rem; --s-2: 0.5rem; --s-3: 0.75rem; --s-4: 1rem; --s-5: 1.5rem;
  --s-6: 2rem; --s-7: 3rem; --s-8: 4rem; --s-9: 6rem; --s-10: 8rem;
  --r-xs: 6px; --r-sm: 10px; --r-md: 14px; --r-lg: 20px; --r-xl: 28px; --r-pill: 999px;
  --text-xs: 0.75rem; --text-sm: 0.875rem; --text-md: 1rem; --text-lg: 1.125rem;
  --text-xl: 1.375rem; --text-2xl: 1.75rem; --text-3xl: 2.25rem;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.7, 0, 0.84, 0);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-micro: 120ms; --dur-short: 220ms; --dur-long: 420ms;

  --page-max: 72rem;
  --gutter: clamp(1rem, 4vw, 2.5rem);
}
:root[data-theme="light"], :root.is-public { color-scheme: light; }
:root[data-theme="dark"]:not(.is-public) { color-scheme: dark; }

/* -------------------------------------------------------------------- base */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; overflow-x: clip; }
body {
  margin: 0;
  min-height: 100dvh;
  isolation: isolate;
  overflow-x: clip;
  background: var(--paper);
  color: var(--ink);
  font: 400 var(--text-md)/1.6 var(--font-sans);
  word-spacing: 0.06em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
/* One static layer supplies warm light without changing fixed-position ancestors. */
body.app::before, :root.is-public body::before {
  content: "";
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background: var(--glass-ambient);
}
[hidden] { display: none !important; }
img, svg, video, canvas, iframe { display: block; max-width: 100%; }
img { height: auto; }
button, input, select, textarea { font: inherit; color: inherit; letter-spacing: inherit; }
p, h1, h2, h3, h4, h5, h6, figure, blockquote, dl, dd { margin: 0; }
:where(ul[class], ol[class]) { margin: 0; padding: 0; list-style: none; }
::selection { background: var(--accent-soft); color: var(--ink); }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: var(--r-xs); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 480;
  font-optical-sizing: auto;
  line-height: 1.12;
  letter-spacing: -0.015em;
  word-spacing: 0.02em;
  color: var(--ink);
  text-wrap: balance;
}
h1 { font-size: clamp(1.9rem, 1.45rem + 1.4vw, 2.6rem); }
h2 { font-size: clamp(1.4rem, 1.2rem + 0.7vw, 1.8rem); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }
h1 em, h2 em, h3 em { font-style: italic; font-weight: 420; }
p { text-wrap: pretty; }
strong, b { font-weight: 650; }
small, .small { font-size: var(--text-sm); }
code, kbd, .mono { font-family: var(--font-mono); font-size: 0.9em; }
.tnum, time, .num { font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }
.lede { font-size: var(--text-lg); color: var(--ink-2); max-width: 40rem; }

a { color: var(--accent-text); text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
a:hover { text-decoration-thickness: 2px; }
.link, .auth-link {
  color: var(--accent-text);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: color-mix(in oklch, currentColor 35%, transparent);
  text-underline-offset: 0.22em;
  transition: text-decoration-color var(--dur-micro) var(--ease-out);
}
.link:hover, .auth-link:hover { text-decoration-color: currentColor; }

.visually-hidden, .sr-only {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: var(--s-4); top: var(--s-4); z-index: 100;
  padding: var(--s-2) var(--s-4); border-radius: var(--r-pill);
  background: var(--ink); color: var(--paper); font-weight: 600; text-decoration: none;
  transform: translateY(-200%);
}
.skip-link:focus-visible { transform: none; }

/* ----------------------------------------------------------------- buttons */
.btn {
  --btn-bg: var(--glass);
  --btn-fg: var(--ink);
  --btn-border: var(--glass-border);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  min-height: 2.75rem;
  padding: 0.625rem 1.25rem;
  border: 1px solid var(--btn-border);
  border-radius: var(--r-pill);
  background: var(--btn-bg);
  box-shadow: var(--glass-highlight), var(--shadow-sm);
  color: var(--btn-fg);
  font: 600 0.9375rem/1.2 var(--font-sans);
  letter-spacing: 0;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  transition: background-color var(--dur-micro) var(--ease-out),
              border-color var(--dur-micro) var(--ease-out),
              color var(--dur-micro) var(--ease-out),
              transform var(--dur-micro) var(--ease-out),
              box-shadow var(--dur-short) var(--ease-out);
}
.btn:hover { --btn-border: color-mix(in oklch, var(--ink) 28%, var(--rule)); transform: translateY(-1px); }
.btn:active { transform: translateY(0); transition-duration: 60ms; }
.btn svg { width: 1.1em; height: 1.1em; flex: none; }
.btn .btn-arrow { transition: transform var(--dur-short) var(--ease-out); }
.btn:hover .btn-arrow { transform: translateX(3px); }

.btn.primary {
  --btn-bg: var(--accent);
  --btn-fg: var(--on-accent);
  --btn-border: transparent;
  background: linear-gradient(to bottom, oklch(100% 0 0 / 0.08), transparent 65%), var(--btn-bg);
  box-shadow: inset 0 1px 0 oklch(100% 0 0 / 0.28), inset 0 0 0 1px oklch(100% 0 0 / 0.12), var(--shadow-sm);
}
.btn.primary:hover { --btn-bg: var(--accent-hover); --btn-border: transparent; box-shadow: inset 0 1px 0 oklch(100% 0 0 / 0.28), inset 0 0 0 1px oklch(100% 0 0 / 0.12), var(--shadow-md); }
.btn.ghost { --btn-bg: transparent; --btn-border: transparent; box-shadow: none; }
.btn.ghost:hover { --btn-bg: color-mix(in oklch, var(--ink) 6%, transparent); --btn-border: transparent; }
.btn.secondary { --btn-bg: var(--glass); background: var(--glass-sheen), var(--btn-bg); }
.btn.danger { --btn-fg: var(--danger); --btn-border: color-mix(in oklch, var(--danger) 30%, var(--rule)); --btn-bg: transparent; }
.btn.danger:hover { --btn-bg: var(--danger-soft); --btn-border: color-mix(in oklch, var(--danger) 45%, var(--rule)); }
.btn.danger.solid { --btn-bg: var(--danger); --btn-fg: var(--on-accent); --btn-border: transparent; }
.btn.sm { min-height: 2.25rem; padding: 0.4rem 0.9rem; font-size: var(--text-sm); }
@media (max-width: 768px) { .btn.sm { min-height: 2.5rem; } }
.btn.lg { min-height: 3.25rem; padding: 0.8rem 1.6rem; font-size: 1.0625rem; }
.btn.block { width: 100%; }
.btn.icon { width: 2.5rem; min-height: 2.5rem; padding: 0; }

.btn:disabled, .btn[aria-disabled="true"], .btn.disabled {
  cursor: not-allowed; opacity: 0.5; transform: none; box-shadow: none;
}
.btn.loading { color: transparent !important; pointer-events: none; }
.btn.loading::after {
  content: ""; position: absolute; inset: 0; margin: auto;
  width: 1.05rem; height: 1.05rem; border-radius: 50%;
  border: 2px solid var(--btn-fg); border-right-color: transparent;
  animation: spin 700ms linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ------------------------------------------------------------------- forms */
.field { display: grid; gap: var(--s-2); min-width: 0; }
.field > label, .field-label { font-size: var(--text-sm); font-weight: 600; color: var(--ink-2); }
.field-hint { font-size: var(--text-sm); color: var(--muted); }
input:where([type="text"], [type="email"], [type="password"], [type="search"], [type="url"],
            [type="tel"], [type="number"], [type="date"], :not([type])),
select, textarea {
  width: 100%;
  min-height: 2.75rem;
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--rule);
  border-radius: var(--r-sm);
  background: var(--glass-strong);
  color: var(--ink);
  font-size: var(--text-md);
  line-height: 1.4;
  box-shadow: var(--glass-highlight), inset 0 1px 2px oklch(35% 0.05 45 / 0.05);
  transition: border-color var(--dur-micro) var(--ease-out), box-shadow var(--dur-short) var(--ease-out);
}
textarea { min-height: 7rem; resize: vertical; }
select {
  appearance: none;
  padding-right: 2.4rem;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 1.1rem) 52%, calc(100% - 0.8rem) 52%;
  background-size: 0.32rem 0.32rem, 0.32rem 0.32rem;
  background-repeat: no-repeat;
}
input::placeholder, textarea::placeholder { color: var(--muted); opacity: 1; }
input:hover, select:hover, textarea:hover { border-color: color-mix(in oklch, var(--ink) 22%, var(--rule)); }
input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: none;
  border-color: var(--focus);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--focus) 22%, transparent);
}
input[aria-invalid="true"], select[aria-invalid="true"] { border-color: var(--danger); }
input:disabled, select:disabled, textarea:disabled { opacity: 0.6; cursor: not-allowed; }
input[type="checkbox"], input[type="radio"] { accent-color: var(--accent); width: 1.1rem; height: 1.1rem; margin: 0; }
fieldset { margin: 0; padding: 0; border: 0; min-width: 0; }

/* ----------------------------------------------------------------- notices */
.notice, .availability-note, .err, .flash, .settings-alert {
  position: relative;
  padding: var(--s-3) var(--s-4) var(--s-3) calc(var(--s-4) + 1.1rem);
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  background: var(--glass);
  box-shadow: var(--glass-highlight), var(--shadow-sm);
  color: var(--ink-2);
  font-size: var(--text-sm);
  line-height: 1.5;
}
.notice::before, .availability-note::before, .err::before, .flash::before, .settings-alert::before {
  content: ""; position: absolute; left: var(--s-4); top: calc(var(--s-3) + 0.5em);
  width: 0.5rem; height: 0.5rem; border-radius: 50%;
  background: var(--muted);
}
.availability-note, .notice.is-warn { background: color-mix(in oklch, var(--warn-soft) 65%, var(--glass)); border-color: color-mix(in oklch, var(--warn) 25%, var(--rule)); color: var(--ink); }
.availability-note::before, .notice.is-warn::before { background: var(--warn); }
.err, .flash.error, .notice.is-error, .settings-alert.error { background: color-mix(in oklch, var(--danger-soft) 65%, var(--glass)); border-color: color-mix(in oklch, var(--danger) 30%, var(--rule)); color: var(--ink); }
.err::before, .flash.error::before, .notice.is-error::before, .settings-alert.error::before { background: var(--danger); }
.notice.is-ok, .flash.ok, .settings-alert.ok { background: color-mix(in oklch, var(--ok-soft) 65%, var(--glass)); border-color: color-mix(in oklch, var(--ok) 28%, var(--rule)); color: var(--ink); }
.notice.is-ok::before, .flash.ok::before, .settings-alert.ok::before { background: var(--ok); }


/* ------------------------------------------------ icons, brand, segmented */
.ico {
  width: 1.25rem; height: 1.25rem; flex: none;
  fill: none; stroke: currentColor; stroke-width: 1.75;
  stroke-linecap: round; stroke-linejoin: round;
}
.icon-btn {
  position: relative;
  display: inline-grid; place-items: center;
  width: 2.5rem; height: 2.5rem; flex: none;
  border: 0; border-radius: var(--r-pill);
  background: transparent; color: var(--ink-2);
  cursor: pointer;
  transition: background-color var(--dur-micro) var(--ease-out), color var(--dur-micro) var(--ease-out);
}
.icon-btn:hover { background: color-mix(in oklch, var(--ink) 7%, transparent); color: var(--ink); }
.icon-btn[aria-expanded="true"] { background: var(--accent-soft); color: var(--accent-text); }

.brand {
  display: inline-flex; align-items: center; gap: 0.55rem;
  color: var(--ink); text-decoration: none;
  font: 560 1.3rem/1 var(--font-display);
  letter-spacing: -0.025em;
  font-variation-settings: "opsz" 48;
}
.brand-mark {
  width: 1.65rem; height: 1.65rem; flex: none;
  background: url("logo-mark.svg") center / contain no-repeat;
}

.seg {
  display: inline-flex; gap: 2px; padding: 3px;
  border-radius: var(--r-pill); background: var(--glass);
  box-shadow: var(--glass-highlight), inset 0 0 0 1px var(--glass-border);
}
.seg > button, .seg > a {
  min-height: 2.5rem; padding: 0.35rem 1rem;
  border: 0; border-radius: var(--r-pill);
  background: transparent; color: var(--ink-2);
  font-size: var(--text-sm); font-weight: 600; text-decoration: none; cursor: pointer;
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), box-shadow var(--dur-short) var(--ease-out);
}
.seg > .is-active, .seg > [aria-pressed="true"], .seg > [aria-selected="true"] { background: var(--glass-strong); color: var(--ink); box-shadow: var(--glass-highlight), var(--shadow-sm); }

.row { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-3); }

/* ------------------------------------------------------------ reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 150ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 150ms !important;
    scroll-behavior: auto !important;
  }
  .btn:hover, .btn:active { transform: none; }
  .btn.loading::after { animation: spin 1.4s linear infinite !important; }
}

/* ------------------------------------------------------ reduced transparency */
@media (prefers-reduced-transparency: reduce) {
  :root {
    --glass: var(--surface);
    --glass-strong: var(--surface);
    --glass-sheen: none;
    --glass-blur: none;
    --glass-ambient: var(--paper);
  }
}