/* gate.css — bramka z kodem: wspólne dla gate.html (osobna strona) i index.html (bramka osadzona po kliknięciu tytułu) */

:root {
    --lav: rgb(150, 130, 220);
    --lav-dim: rgba(150, 130, 220, 0.55);
    --lav-ghost: rgba(150, 130, 220, 0.22);
    --ink: #0d0d0d;
    --ink-mid: rgba(13, 13, 13, 0.5);
    --ink-faint: rgba(13, 13, 13, 0.3);
    --bg: #f9f9f8;
    --ff: 'ABC Diatype Rounded', 'Inter', sans-serif;
}

/* opcjonalny ślad (imię/@insta) — pełnoekranowy, niezależny od ścieżki */
#proto-trace {
    position: fixed;
    inset: 0;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.8rem;
    z-index: 12000;
    background: rgba(249, 249, 248, 0.985);
    overflow: hidden;
}
#proto-trace.show { display: flex; }
#proto-trace .trace-glyph {
    position: absolute;
    font-family: var(--ff);
    font-weight: 300;
    color: rgba(13, 13, 13, 0.16);
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 1.1s ease, transform 1.1s ease;
    pointer-events: none;
    z-index: 1;
    user-select: none;
}
#proto-trace .trace-glyph.visible { opacity: 1; transform: translateY(0); }
#proto-trace .trace-glyph.burst { color: rgba(13, 13, 13, 0.3); transition: opacity 0.5s ease, transform 0.5s ease; }
#proto-trace-prompt {
    font-family: var(--ff);
    font-size: 1.1rem;
    font-weight: 300;
    letter-spacing: 0.16em;
    color: var(--ink-mid);
    text-align: center;
    padding: 0 1.5rem;
    z-index: 2;
    transition: opacity 0.4s ease;
}
#proto-trace-input {
    font-family: var(--ff);
    font-size: 1.7rem;
    font-weight: 300;
    letter-spacing: 0.12em;
    color: var(--ink);
    background: transparent;
    border: none;
    outline: none;
    text-align: center;
    width: 86vw;
    max-width: 24rem;
    caret-color: var(--ink);
    padding: 0.2rem 0;
    z-index: 2;
    transition: opacity 0.4s ease;
}
#proto-trace-input::placeholder { color: rgba(13, 13, 13, 0.16); }
#proto-trace-hint {
    font-family: var(--ff);
    font-size: 0.66rem;
    font-weight: 300;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: rgba(13, 13, 13, 0.3);
    z-index: 2;
    transition: opacity 0.4s ease;
}
#proto-trace-skip {
    font-family: var(--ff);
    font-size: 0.74rem;
    font-weight: 300;
    letter-spacing: 0.14em;
    color: rgba(13, 13, 13, 0.4);
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.4rem 0.8rem;
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.2s ease, opacity 0.4s ease;
    z-index: 2;
}
#proto-trace-skip:hover { color: rgba(13, 13, 13, 0.7); }

/* page enter */
@keyframes page-enter {
    from { opacity: 0; }
    to   { opacity: 1; }
}
body.page-entering {
    animation: page-enter 0.55s ease forwards;
}

/* ──────────────────────────────────────
   FIRST ACCESS VISUAL
────────────────────────────────────── */
#first-access-visual {
    position: fixed;
    inset: 0;
    z-index: 10030;
    display: none;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    background: rgba(249, 249, 248, 0.97);
    opacity: 0;
    transition: opacity 0.35s ease;
}
#first-access-visual.show {
    display: flex;
}
#first-access-visual.visible {
    opacity: 1;
}
#first-access-visual.fade-out {
    opacity: 0;
}
.fav-core {
    display: grid;
    place-items: center;
}
.fav-sigil {
    width: 72px;
    height: 72px;
    overflow: visible;
}
.fav-sigil-ring {
    stroke-dasharray: 188.5;
    stroke-dashoffset: 188.5;
    animation: fav-ring-draw 0.95s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}
.fav-sigil-dot {
    opacity: 0;
    animation: fav-dot-in 0.25s ease 0.9s forwards;
}
@keyframes fav-ring-draw {
    to { stroke-dashoffset: 0; }
}
@keyframes fav-dot-in {
    to { opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
    .fav-sigil-ring {
        animation: none;
        stroke-dashoffset: 0;
    }
    .fav-sigil-dot {
        animation: none;
        opacity: 1;
    }
}
/* ──────────────────────────────────────
   BRAMKA Z KODEM: tytuł w 3D (gate-title.js) + pola kodu
   język strony startowej: Inter 300, rozstrzelone znaczki, lawenda, bez ramek.
   za polami chmura lawendy ze startu kondensuje się w napis „~||-_^+*.”, kamera dryfuje
────────────────────────────────────── */
body.code-mode .vignette,
body.code-mode .star-fog,
body.code-mode #gate,
body.code-mode #nocode-landing,
body.code-mode #scan-prototype-stage,
body.code-mode #camera-area { display: none !important; }

#cg-title { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 30; pointer-events: none; transition: opacity 0.3s; }

#code-gate {
    --cg-n: 6;
    --cg-fs: clamp(2.4rem, 7.2vw, 5rem);
    --cg-gap: 0.26em;
    --lv: 0;
    position: fixed;
    inset: 0;
    z-index: 40;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    padding: 72px 20px clamp(28px, 7vh, 72px);
    color: var(--ink);
    font-family: var(--ff);
}
#code-gate.show { display: flex; }
#code-gate[data-kind="alnum"] { --cg-n: 4; --cg-fs: clamp(2.8rem, 8.5vw, 6rem); }

#cg-home {
    position: absolute;
    top: clamp(18px, 3vw, 36px);
    left: clamp(18px, 3vw, 40px);
    z-index: 50;
    font-weight: 300;
    font-size: clamp(1rem, 1.6vw, 1.3rem);
    letter-spacing: 0.12em;
    color: var(--ink);
    text-decoration: none;
}
#cg-home:hover { color: var(--lav); }
#cg-back {
    position: absolute;
    top: clamp(18px, 3vw, 36px);
    right: clamp(18px, 3vw, 40px);
    z-index: 50;
    background: none;
    border: none;
    border-bottom: 1px solid transparent;
    padding: 0.2rem 0;
    font-family: var(--ff);
    font-weight: 300;
    font-size: 0.8rem;
    letter-spacing: 0.16em;
    color: var(--ink);
    cursor: pointer;
}
#cg-back:hover { border-bottom-color: var(--ink); }

/* rama ze słów: odsłania się, gdy szczelina się rozdziera (--lv rośnie z każdym znaczkiem) */
#cg-frame {
    position: relative;
    z-index: 50;
    padding: clamp(40px, 6vw, 72px) clamp(44px, 7vw, 100px);
}
.cg-edge {
    position: absolute;
    font-weight: 300;
    font-size: 0.74rem;
    letter-spacing: 0.3em;
    white-space: nowrap;
    color: var(--ink);
    opacity: clamp(0, calc((var(--lv) - 0.25 - var(--i, 0) * 0.08) / 0.45), 1);
    transition: opacity 0.6s ease;
    user-select: none;
}
.cg-edge.top { top: 4px; left: 50%; transform: translateX(-50%); }
.cg-edge.bottom { bottom: 4px; left: 50%; transform: translateX(-50%) rotate(180deg); }
.cg-edge.left { left: 4px; top: 10px; writing-mode: vertical-rl; transform: rotate(180deg); }
.cg-edge.right { right: 4px; bottom: 10px; writing-mode: vertical-rl; }

#cg-opening { display: flex; flex-direction: column; align-items: center; gap: 12px; }
#cg-label {
    font-weight: 300;
    font-size: 0.8rem;
    letter-spacing: 0.22em;
    color: var(--ink);
    opacity: 0.75;
}
#cg-label::before { content: '~ '; color: var(--lav); opacity: 1; }

#cg-field { position: relative; }
#cg-slots {
    display: flex;
    gap: var(--cg-gap);
    font-size: var(--cg-fs);
    font-weight: 300;
    line-height: 1;
}
.cg-slot {
    position: relative;
    display: inline-flex;
    align-items: flex-end;
    justify-content: center;
    width: 0.9em;
    height: 1.15em;
    padding-bottom: 0.08em;
    border-bottom: 1px solid rgba(13, 13, 13, 0.4);
    color: var(--ink);
    transition: border-color 0.3s, color 0.3s, transform 0.45s cubic-bezier(.2, .8, .2, 1), opacity 0.45s;
}
.cg-slot .cg-glyph {
    color: var(--lav);
    opacity: 0.7;
    transform: scale(0.7);
    transform-origin: 50% 85%;
}
#cg-field:focus-within .cg-slot.active { border-bottom-color: var(--lav); }
#cg-field:focus-within .cg-slot.active .cg-glyph { animation: cg-blink 1s steps(2, start) infinite; opacity: 1; }
@keyframes cg-blink { to { visibility: hidden; } }
.cg-slot.typed { animation: cg-land 0.35s cubic-bezier(.2, .8, .2, 1); }
@keyframes cg-land { from { transform: translateY(-0.25em) scale(1.15); opacity: 0.4; } }

#cg-input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    font-size: 16px; /* iOS nie przybliża przy fokusie */
    color: transparent;
    -webkit-text-fill-color: transparent;
    caret-color: transparent;
    background: transparent;
    border: 0;
    outline: none;
    cursor: text;
}
#cg-input::selection { background: transparent; }

#cg-status {
    margin-top: 22px;
    min-height: 1.3em;
    font-weight: 300;
    font-size: 0.84rem;
    letter-spacing: 0.14em;
    line-height: 1.5;
    text-align: center;
    color: var(--ink);
}
#cg-status.msg { font-size: clamp(1rem, 1.6vw, 1.2rem); letter-spacing: 0.06em; }
#cg-status .cg-mark { color: var(--lav); margin-right: 0.45em; }
#cg-go {
    background: none;
    border: none;
    border-bottom: 1px solid var(--ink);
    padding: 0.25rem 0;
    font-family: var(--ff);
    font-weight: 300;
    font-size: 0.82rem;
    letter-spacing: 0.16em;
    color: var(--ink);
    cursor: pointer;
}
#cg-go:hover { color: var(--lav); border-bottom-color: var(--lav); }
#cg-go[hidden] { display: none; }
#cg-go:focus-visible, #cg-back:focus-visible { outline: none; color: var(--lav); border-bottom-color: var(--lav); }
#cg-home:focus-visible, .cg-key:focus-visible { outline: 1px solid var(--lav); outline-offset: 4px; }

/* klawiatura: znaczki wbite w ścianę, bez ramek; wyjęty leci do szczeliny */
#cg-keys {
    position: relative;
    z-index: 50;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 2px clamp(2px, 0.8vw, 8px);
    max-width: 760px;
    margin-top: clamp(28px, 5vh, 56px);
}
.cg-key {
    width: clamp(42px, 3.6vw, 52px);
    height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: 0;
    font-family: var(--ff);
    font-weight: 300;
    font-size: clamp(1.7rem, 2.3vw, 2.2rem);
    line-height: 1;
    color: var(--ink);
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    transition: color 0.15s, transform 0.2s cubic-bezier(.2, .8, .2, 1), opacity 0.25s;
}
.cg-key:hover { color: var(--lav); transform: translateY(-5px); }
.cg-key:active { transform: scale(1.3); color: var(--lav); }
.cg-key.fn {
    width: auto;
    height: auto;
    margin: 0 10px;
    padding: 0.2rem 0;
    border-bottom: 1px solid rgba(13, 13, 13, 0.35);
    font-size: 0.74rem;
    letter-spacing: 0.18em;
}
.cg-key.fn:hover { transform: none; border-bottom-color: var(--lav); }
#cg-keys.locked .cg-key { opacity: 0.3; pointer-events: none; }
#code-gate.message #cg-keys { visibility: hidden; }

.cg-fly {
    position: fixed;
    z-index: 60;
    pointer-events: none;
    font-family: var(--ff);
    font-weight: 300;
    line-height: 1;
    color: var(--ink);
    transform: translate(-50%, -50%);
}

/* przelot do wierszy: pola i klawiatura gasną, zostaje napis */
#code-gate.leaving #cg-frame, #code-gate.leaving #cg-keys { opacity: 0; transition: opacity 0.5s; }

#code-gate.shake #cg-slots { animation: cg-shake 0.5s; }
#code-gate.shake .cg-slot { color: var(--lav); border-bottom-color: var(--lav); }
@keyframes cg-shake {
    20% { transform: translateX(-0.12em); }
    40% { transform: translateX(0.1em); }
    60% { transform: translateX(-0.07em); }
    80% { transform: translateX(0.04em); }
}
/* zły kod: znaczki wypadają z pól */
#code-gate.drop .cg-slot { transform: translateY(0.9em) rotate(8deg); opacity: 0; }
#code-gate.drop .cg-slot:nth-child(even) { transform: translateY(1.1em) rotate(-10deg); }

@media (max-width: 600px) {
    #code-gate { --cg-fs: clamp(2.2rem, 11vw, 3.2rem); --cg-gap: 0.2em; padding: 64px 14px 22px; }
    #code-gate[data-kind="alnum"] { --cg-fs: clamp(2.6rem, 14vw, 4rem); }
    #cg-frame { padding: 34px 30px; }
    .cg-edge { font-size: 0.66rem; letter-spacing: 0.24em; }
    #cg-keys { gap: 0 2px; max-width: 360px; margin-top: 36px; }
    .cg-key { width: 11.2vw; max-width: 44px; height: 56px; font-size: 1.8rem; }
    .cg-key.fn { width: auto; max-width: none; height: auto; margin: 8px 12px 0; }
}
@media (prefers-reduced-motion: reduce) {
    .cg-slot, .cg-key, .cg-edge { transition: none; }
    .cg-slot.typed, #code-gate.shake #cg-slots { animation: none; }
    #cg-field:focus-within .cg-slot.active .cg-glyph { animation: none; }
}

/* pytanie o imię po pierwszym wejściu: ten sam cienki, rozstrzelony krój */
body.code-mode #proto-trace { background: var(--bg); gap: 2rem; }
body.code-mode #proto-trace .trace-glyph { color: var(--lav); font-weight: 300; }
body.code-mode #proto-trace .trace-glyph.visible { opacity: 0.55; }
body.code-mode #proto-trace .trace-glyph.burst.visible { opacity: 0.9; }
body.code-mode #proto-trace-prompt {
    font-weight: 300;
    font-size: clamp(1.5rem, 3.4vw, 2.8rem);
    letter-spacing: 0.08em;
    color: var(--ink);
}
body.code-mode #proto-trace-input {
    font-weight: 300;
    font-size: clamp(1.7rem, 3.8vw, 3rem);
    letter-spacing: 0.06em;
    width: min(86vw, 30rem);
    max-width: none;
    border-bottom: 1px solid var(--ink);
    caret-color: var(--lav);
}
body.code-mode #proto-trace-hint { font-weight: 300; font-size: 0.68rem; letter-spacing: 0.24em; color: var(--ink); opacity: 0.6; }
body.code-mode #proto-trace-skip { font-weight: 300; font-size: 0.78rem; letter-spacing: 0.14em; color: var(--ink); }

/* ekran pierwszego wejścia: znak + napis */
body.code-mode #first-access-visual { flex-direction: column; gap: 26px; background: var(--bg); }
body.code-mode #first-access-visual::after {
    content: attr(data-caption);
    font-weight: 300;
    font-size: clamp(1.5rem, 3.4vw, 2.8rem);
    letter-spacing: 0.12em;
    color: var(--ink);
}
body.code-mode .fav-sigil { width: 96px; height: 96px; }
body.code-mode .fav-sigil-ring { stroke: var(--ink); stroke-width: 1.4; }
body.code-mode .fav-sigil-dot { fill: var(--lav); }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}