/* pika-style.css — Pika ORM Docs, fixi-inspired */

/* ===================== TOKENS ===================== */
:root {
    /* Pika color palette */
    --pika-main:   #f66e1f;
    --pika-deep:   #c4511a;
    --pika-sec:    #f8b147;
    --pika-pale:   color-mix(in srgb, var(--pika-main) 14%, white);
    --pika-gold:   #fad760;

    /* Surfaces */
    --paper:       #fffdf9;
    --paper-2:     #ffffff;
    --beige:       #e8e3dc;

    /* Ink */
    --ink:         #3d3530;
    --ink-deep:    #1a1210;

    /* Shadows & geometry */
    --shadow:        0 4px 0 rgba(61,53,48,0.10), 0 8px 18px rgba(61,53,48,0.07);
    --shadow-lg:     0 8px 0 rgba(61,53,48,0.13), 0 16px 32px rgba(61,53,48,0.09);
    --shadow-card:   5px 5px 0 var(--pika-main);
    --shadow-card-dk:5px 5px 0 var(--ink-deep);
    --shadow-card-sm:4px 4px 0 var(--pika-sec);

    --radius:        20px;
    --radius-lg:     28px;
    --radius-card:   18px;
    --radius-pill:   999px;
    --radius-sm:     10px;
    --card-border:   2.5px solid var(--ink-deep);

    --sidebar-width: 280px;
}

/* ===================== ANIMATIONS ===================== */
@keyframes hero-rise {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes sticker-wobble {
    0%, 100% { transform: rotate(2deg); }
    50%      { transform: rotate(-1.4deg); }
}
@keyframes badge-pop {
    0%, 100% { transform: rotate(-10deg) scale(1); }
    50%      { transform: rotate(-10deg) scale(1.08); }
}
@keyframes float-dot {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-6px); }
}
@keyframes spin-slow {
    to { transform: rotate(360deg); }
}
@keyframes slide-in-left {
    from { opacity: 0; transform: translateX(-20px); }
    to   { opacity: 1; transform: translateX(0); }
}
@keyframes underline-grow {
    from { transform: scaleX(0); }
    to   { transform: scaleX(1); }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ===================== RESET ===================== */
*, *::before, *::after { box-sizing: border-box; }
html { color-scheme: light; }

/* ===================== BODY ===================== */
body {
    font-family: ui-rounded, "SF Pro Rounded", "Nunito", "Quicksand", system-ui, sans-serif;
    font-size: 17px;
    line-height: 1.6;
    margin: 0;
    color: var(--ink-deep);
    background-color: var(--paper);

    /* subtle dot-grid texture */
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='72' height='72'><circle cx='10' cy='12' r='1.4' fill='%23f66e1f' fill-opacity='0.10'/><circle cx='46' cy='40' r='0.9' fill='%23f66e1f' fill-opacity='0.07'/><text x='56' y='20' font-family='monospace' font-size='9' fill='%23f66e1f' fill-opacity='0.08'>+</text><text x='20' y='58' font-family='monospace' font-size='8' fill='%23f66e1f' fill-opacity='0.07'>✦</text></svg>");
    background-size: 72px 72px;

    display: flex;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    position: relative;
}

/* ambient glow blobs */
body::before, body::after {
    content: "";
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
}
body::before {
    width: 480px; height: 480px;
    top: -160px; right: -140px;
    background: color-mix(in srgb, var(--pika-main) 18%, white);
    opacity: 0.6;
}
body::after {
    width: 360px; height: 360px;
    bottom: -100px; left: -100px;
    background: color-mix(in srgb, var(--pika-sec) 22%, white);
    opacity: 0.5;
}

/* ===================== TYPOGRAPHY ===================== */
h1, h2, h3, h4 {
    margin-top: 1.6em;
    margin-bottom: 0.5em;
    line-height: 1.15;
    letter-spacing: -0.025em;
}
h1 {
    font-size: 2.4rem;
    font-weight: 900;
    margin-top: 0;
    position: relative;
    display: inline-block;
    padding-bottom: 0.2em;
}
/* animated underline on h1 */
h1::after {
    content: "";
    position: absolute;
    left: 0; bottom: 0;
    height: 3px;
    width: 100%;
    background: linear-gradient(90deg, var(--pika-main), var(--pika-sec));
    border-radius: 2px;
    transform-origin: left;
    animation: underline-grow 0.7s 0.3s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

h2 {
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--pika-main);
    display: flex;
    align-items: center;
    gap: 0.4em;
}
h2::before {
    content: "★";
    font-size: 0.65em;
    color: var(--pika-sec);
    flex-shrink: 0;
}

h3 { font-size: 1.25rem; font-weight: 800; color: var(--ink-deep); }
h4 { font-size: 1.05rem; font-weight: 700; color: var(--pika-deep); }

p, ul, ol { margin-bottom: 1.2rem; font-size: 1.03rem; color: var(--ink); }
ul { padding-left: 1.5rem; }
li { margin-bottom: 0.4rem; }
li::marker { color: var(--pika-main); font-weight: 900; }

a { color: var(--pika-main); text-decoration: none; font-weight: 700; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

em { font-style: normal; background: var(--pika-pale); color: var(--pika-deep); padding: 0 0.3em; border-radius: 6px; }

/* ===================== CODE ===================== */
code {
    font-family: ui-monospace, "JetBrains Mono", "Cascadia Code", monospace;
    background: var(--pika-pale);
    color: var(--pika-deep);
    padding: 0.18em 0.5em;
    border-radius: 6px;
    font-size: 0.88em;
    font-weight: 700;
}
pre {
    background: var(--ink-deep);
    color: var(--pika-gold);
    padding: 1.4rem;
    border-radius: var(--radius-card);
    overflow-x: auto;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-card);
    border: var(--card-border);
    font: 13px/1.7 ui-monospace, "JetBrains Mono", monospace;
    position: relative;
}
pre::before {
    content: "‹›";
    position: absolute;
    top: 0.7em; right: 1em;
    font-size: 0.78em;
    font-family: ui-monospace, monospace;
    opacity: 0.25;
    letter-spacing: 0.1em;
}
pre code { background: transparent; color: inherit; padding: 0; font-weight: 400; font-size: 1em; }

/* ===================== CALLOUTS ===================== */
.callout {
    background: var(--paper-2);
    border: var(--card-border);
    border-left: 5px solid var(--pika-sec);
    padding: 1.2rem 1.4rem;
    border-radius: var(--radius-card);
    margin: 1.5rem 0;
    box-shadow: var(--shadow-card-sm);
    font-weight: 600;
    position: relative;
    transition: transform 0.18s, box-shadow 0.18s;
}
.callout:hover {
    transform: translateY(-2px);
    box-shadow: 4px 6px 0 var(--pika-sec);
}
.callout::before {
    content: "💡";
    position: absolute;
    top: -0.8em; left: 1em;
    font-size: 1.15em;
    line-height: 1;
}

/* ===================== KICKER / BADGE ===================== */
.kicker {
    display: inline-block;
    background: var(--pika-pale);
    color: var(--pika-deep);
    font-weight: 800;
    font-size: 0.82em;
    letter-spacing: 0.05em;
    padding: 0.4em 1em;
    border-radius: var(--radius-pill);
    margin-bottom: 0.8em;
    text-transform: uppercase;
}

/* ===================== CHIPS STRIP ===================== */
.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6em;
    margin: 1.6rem 0;
}
.chip {
    background: var(--paper-2);
    border-radius: var(--radius-pill);
    padding: 0.55em 1.1em;
    font-weight: 700;
    font-size: 0.9em;
    display: inline-flex;
    align-items: center;
    gap: 0.45em;
    box-shadow: var(--shadow);
    color: var(--ink-deep);
    border: 1.5px solid var(--beige);
    transition: transform 0.15s, box-shadow 0.15s;
}
.chip:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.chip .em { font-size: 1.2em; }
.chip strong { color: var(--pika-deep); font-weight: 900; }

/* ===================== CONTRAST CARDS (is/isn't) ===================== */
.contrast {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.4em;
    margin: 1.5rem 0;
}
.contrast .card {
    background: var(--paper);
    border: var(--card-border);
    border-radius: var(--radius-card);
    padding: 1.5em 1.7em;
    box-shadow: var(--shadow-card-dk);
    transition: transform 0.2s;
}
.contrast .card:hover { transform: translateY(-3px); }
.contrast .card.is { background: var(--pika-pale); box-shadow: var(--shadow-card); }
.contrast .card.isnt { transform: rotate(-0.5deg); }
.contrast .card.isnt:hover { transform: rotate(-0.5deg) translateY(-3px); }
.contrast .card h3 { margin-top: 0; font-size: 1.15em; font-weight: 900; }
.contrast .card.is h3 { color: var(--pika-deep); }
.contrast .card.isnt h3 { color: var(--ink-deep); text-decoration: line-through; text-decoration-thickness: 2.5px; }
.contrast .card ul { margin: 0; padding-left: 1.1em; line-height: 1.9; font-weight: 600; }
@media (max-width: 680px) { .contrast { grid-template-columns: 1fr; } }

/* ===================== STICKER ===================== */
.sticker {
    background: var(--paper-2);
    border-radius: var(--radius-lg);
    display: grid;
    place-items: center;
    padding: 2em;
    box-shadow: var(--shadow-lg);
    position: relative;
    transform: rotate(2deg);
    animation: sticker-wobble 5s ease-in-out infinite;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    border: var(--card-border);
}
.sticker:hover { animation-play-state: paused; transform: rotate(0) scale(1.02); }
.sticker .badge {
    position: absolute;
    top: -14px; left: -14px;
    background: var(--pika-main);
    color: var(--paper-2);
    width: 58px; height: 58px;
    border-radius: 50%;
    display: grid; place-items: center;
    font-weight: 900;
    font-size: 0.8em;
    letter-spacing: 0.01em;
    text-align: center;
    line-height: 1.1;
    box-shadow: var(--shadow);
    animation: badge-pop 2.8s ease-in-out infinite;
}
.sticker .dot {
    position: absolute;
    border-radius: 50%;
    background: var(--pika-pale);
}
.sticker .d1 { width: 20px; height: 20px; top: 10%; right: 8%; animation: float-dot 3.2s ease-in-out infinite; }
.sticker .d2 { width: 12px; height: 12px; bottom: 16%; left: 6%; background: var(--pika-sec); animation: float-dot 4s ease-in-out 0.6s infinite; }
.sticker .d3 { width: 28px; height: 28px; bottom: -8px; right: 20%; background: var(--beige); animation: float-dot 3.6s ease-in-out 1.2s infinite; }
.sticker .emoji-big { font-size: 6rem; line-height: 1; font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", emoji; }

/* ===================== SIDEBAR ===================== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--paper-2);
    border-right: var(--card-border);
    padding: 2rem 1.4rem;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1.3rem;
    z-index: 10;
    box-shadow: 3px 0 0 var(--beige);
}

/* brand logo in sidebar */
.brand {
    font-size: 1.65rem;
    font-weight: 900;
    display: flex;
    align-items: center;
    gap: 0.45rem;
    color: var(--ink-deep);
    text-decoration: none;
    margin-bottom: 0.8rem;
    transition: transform 0.28s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.brand .logo {
    display: inline-flex;
    transform: rotate(-5deg);
    transition: transform 0.28s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.brand:hover { text-decoration: none; }
.brand:hover .logo { transform: rotate(8deg) scale(1.1); }

/* nav groups */
.nav-group-title {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--pika-main);
    font-weight: 900;
    margin-bottom: 0.4rem;
    padding-left: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.4em;
}
.nav-group-title::before { content: "▸"; font-size: 0.8em; }

.nav-links { list-style: none; padding: 0; margin: 0 0 0.8rem; }
.nav-links li { margin-bottom: 0.15rem; }
.nav-links a {
    color: var(--ink);
    display: block;
    padding: 0.45rem 0.9rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95em;
    transition: background 0.14s, color 0.14s, transform 0.14s;
    position: relative;
}
.nav-links a:hover {
    background: var(--pika-pale);
    color: var(--pika-deep);
    text-decoration: none;
    transform: translateX(3px);
}
.nav-links a.active {
    background: var(--pika-main);
    color: var(--paper-2);
    font-weight: 800;
    box-shadow: 3px 3px 0 var(--pika-deep);
}

/* ===================== MAIN CONTENT ===================== */
.main-container {
    margin-left: var(--sidebar-width);
    padding: 3rem 3rem 3rem 2.5rem;
    width: calc(100% - var(--sidebar-width));
    display: flex;
    justify-content: center;
}
.content {
    max-width: 820px;
    width: 100%;
    animation: hero-rise 0.7s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

/* ===================== PAGE HEADER HERO AREA ===================== */
.page-hero {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 2em;
    margin-bottom: 2.5rem;
}
.page-hero-text { flex: 1; }
.page-hero .sticker { width: 130px; flex-shrink: 0; }

/* ===================== API / PROPERTY TABLE ===================== */
.api-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1em;
    margin: 1.5rem 0;
}
.api-grid .row {
    background: var(--paper-2);
    border-radius: var(--radius-card);
    padding: 1.1em 1.3em;
    display: flex;
    flex-direction: column;
    gap: 0.3em;
    box-shadow: var(--shadow);
    border: 1.5px solid var(--beige);
    transition: transform 0.14s, box-shadow 0.14s;
}
.api-grid .row:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.api-grid .row code { font-size: 1em; }
.api-grid .row span { font-size: 0.9em; color: var(--ink); font-weight: 500; }

/* ===================== NEXT / PREV NAV ===================== */
.page-nav {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 1.5em;
    margin-top: 3.5em;
    padding: 2em;
    background: var(--paper-2);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: var(--card-border);
}
.page-nav a {
    text-decoration: none;
    color: var(--ink-deep);
    display: flex;
    align-items: center;
    gap: 0.9em;
    padding: 0.9em;
    border-radius: var(--radius);
    transition: background 0.14s, transform 0.14s;
}
.page-nav a:hover { background: var(--pika-pale); transform: scale(1.02); text-decoration: none; }
.page-nav .prev { justify-content: flex-start; }
.page-nav .nxt  { justify-content: flex-end; text-align: right; }
.page-nav .lbl  { font-size: 0.75em; font-weight: 900; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink); display: block; margin-bottom: 0.2em; }
.page-nav .nm   { font-weight: 800; font-size: 1.1em; color: var(--pika-deep); }
.page-nav .em   { font-size: 1.5em; line-height: 1; }
.page-nav .sep  { color: var(--beige); font-weight: 800; font-size: 1.4em; }

/* ===================== QUOTE BLOCK ===================== */
.pull-quote {
    background: var(--pika-main);
    color: var(--paper-2);
    border-radius: var(--radius-lg);
    padding: 2.5em 2em;
    text-align: center;
    margin: 2rem 0;
    box-shadow: var(--shadow-card-dk);
    position: relative;
    overflow: hidden;
}
.pull-quote::before {
    content: """;
    position: absolute;
    top: -0.1em; left: 0.15em;
    font-size: 14em;
    font-family: ui-serif, Georgia, serif;
    font-weight: 700;
    line-height: 1;
    opacity: 0.14;
    color: var(--paper-2);
}
.pull-quote blockquote {
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.02em;
    margin: 0 auto;
    max-width: 30ch;
    position: relative;
}
.pull-quote cite {
    display: block;
    font-style: normal;
    font-weight: 600;
    font-size: 0.88em;
    margin-top: 1.2em;
    opacity: 0.85;
}

/* ===================== STEP / FLOW ===================== */
.step-flow {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5em;
    align-items: center;
    margin: 1.5rem 0;
    padding: 1.4em 1.2em;
    background: var(--paper);
    border: var(--card-border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card-sm);
}
.step-flow .node {
    background: var(--pika-pale);
    color: var(--pika-deep);
    font-weight: 800;
    font-family: ui-monospace, monospace;
    padding: 0.5em 1em;
    border-radius: 10px;
    border: 2px solid var(--pika-deep);
    font-size: 0.9em;
    transition: transform 0.15s;
}
.step-flow .node:hover { transform: translateY(-2px) rotate(-1deg); }
.step-flow .node.start { background: var(--pika-main); color: var(--paper-2); border-color: var(--pika-deep); }
.step-flow .node.end   { background: var(--ink-deep); color: var(--paper-2); border-color: var(--ink-deep); }
.step-flow .arr { color: var(--pika-deep); font-weight: 900; font-size: 1.3em; }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 860px) {
    .sidebar { display: none; }
    .main-container { margin-left: 0; width: 100%; padding: 2rem 1.4rem; }
    .page-hero { flex-direction: column; }
    .contrast { grid-template-columns: 1fr; }
    .page-nav { grid-template-columns: 1fr; }
    .page-nav .sep { display: none; }
}