/* Redesign Scrapbook Y2K — componentes de colagem.
   Estende tokens.css e site.css, nunca os substitui.
   Ver docs/DIRECAO_DE_ARTE_SCRAPBOOK_Y2K.md e docs/PLANO_DE_IMPLEMENTACAO.md. */

/* ---------- Título-sticker ---------- */
.sticker-title {
    display: inline-block;
    font-family: var(--font-heading);
    font-weight: 800;
    line-height: var(--lh-heading);
    color: var(--color-olive-dark);
    text-shadow:
        -3px -3px 0 var(--sticker-outline), 3px -3px 0 var(--sticker-outline),
        -3px 3px 0 var(--sticker-outline), 3px 3px 0 var(--sticker-outline),
        0 -3px 0 var(--sticker-outline), 0 3px 0 var(--sticker-outline),
        -3px 0 0 var(--sticker-outline), 3px 0 0 var(--sticker-outline),
        var(--sticker-shadow-offset) var(--sticker-shadow-offset) 0 var(--sticker-shadow-color);
}
.sticker-title--coral { color: var(--color-coral); }
.sticker-title--reverse {
    color: var(--color-paper);
    text-shadow:
        -3px -3px 0 var(--color-olive-dark), 3px -3px 0 var(--color-olive-dark),
        -3px 3px 0 var(--color-olive-dark), 3px 3px 0 var(--color-olive-dark),
        0 -3px 0 var(--color-olive-dark), 0 3px 0 var(--color-olive-dark),
        -3px 0 0 var(--color-olive-dark), 3px 0 0 var(--color-olive-dark),
        var(--sticker-shadow-offset) var(--sticker-shadow-offset) 0 rgba(0, 0, 0, 0.25);
}

/* ---------- Chip / ribbon de apoio ---------- */
.chip-ribbon {
    display: inline-block;
    font-family: var(--font-body);
    font-weight: 700;
    color: #FFFFFF;
    background: var(--color-coral);
    padding: 0.45em 1em;
    border-radius: var(--radius-sm) var(--radius-md) var(--radius-md) var(--radius-sm);
    box-shadow: var(--shadow-sticker);
}
.chip-ribbon--olive { background: var(--color-olive-dark); }
.chip-ribbon--paper { background: var(--color-paper); color: var(--color-olive-dark); }

/* ---------- Selo-carimbo (elemento-assinatura) ---------- */
.stamp-carimbo {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: var(--color-coral);
    color: #FFFFFF;
    border-radius: var(--radius-pill);
    padding: var(--space-sm) var(--space-md);
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.1;
    box-shadow: var(--shadow-sticker);
    transform: rotate(var(--tilt, var(--tilt-stamp)));
    z-index: var(--z-collage);
}
.stamp-carimbo small {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: var(--fs-small);
    letter-spacing: 0.04em;
    opacity: 0.9;
}
.stamp-carimbo--olive { background: var(--color-olive-dark); }

@keyframes carimbar {
    0% { transform: rotate(var(--tilt, var(--tilt-stamp))) scale(1.5); opacity: 0; }
    70% { transform: rotate(var(--tilt, var(--tilt-stamp))) scale(0.94); opacity: 1; }
    100% { transform: rotate(var(--tilt, var(--tilt-stamp))) scale(1); opacity: 1; }
}
.stamp-carimbo.reveal.is-visible { animation: carimbar 0.4s ease-out; }

/* ---------- Moldura de foto — recorte irregular ---------- */
.photo-collage {
    position: relative;
    z-index: var(--z-collage);
    background: var(--color-surface-alt);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}
.photo-collage img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.photo-collage--a { clip-path: polygon(2% 6%, 18% 0%, 42% 4%, 63% 0%, 88% 5%, 100% 14%, 96% 32%, 100% 58%, 94% 82%, 100% 96%, 78% 100%, 52% 96%, 28% 100%, 8% 94%, 0% 76%, 4% 48%, 0% 22%); }
.photo-collage--b { clip-path: polygon(0% 10%, 12% 2%, 35% 6%, 55% 0%, 80% 6%, 100% 0%, 96% 24%, 100% 46%, 92% 66%, 100% 88%, 82% 100%, 60% 94%, 38% 100%, 16% 96%, 0% 100%, 4% 74%, 0% 40%); }

/* ---------- Moldura polaroid (alternativa "limpa") ---------- */
.photo-frame-collage {
    background: #FFFFFF;
    padding: 10px 10px 26px;
    box-shadow: var(--shadow-soft);
    border: 3px solid var(--color-coral);
    z-index: var(--z-collage);
    position: relative;
}
.photo-frame-collage--olive { border-color: var(--color-olive-dark); }
.photo-frame-collage img,
.photo-frame-collage .photo-placeholder { display: block; }

/* ---------- Doodles ---------- */
.doodle {
    width: 32px;
    height: 32px;
    color: var(--color-coral);
    pointer-events: none;
    z-index: var(--z-float);
}
.doodle--olive { color: var(--color-olive-dark); }
.doodle--paper { color: var(--color-paper); }
.doodle--sm { width: 18px; height: 18px; }
.doodle--lg { width: 48px; height: 48px; }
.doodle--tape { width: 56px; height: 24px; }

/* Ambiente flutuante — leve oscilação contínua, só transform (compositor), pausa fora da viewport
   via animation-play-state controlado no scroll (ver assets/js/scrapbook.js) e desligada
   por completo com prefers-reduced-motion. Usar em no máximo 2-3 doodles por viewport. */
.doodle--float {
    animation: doodle-float 5s ease-in-out infinite;
    animation-play-state: paused;
}
.doodle--float.is-in-view {
    animation-play-state: running;
}
@keyframes doodle-float {
    0%, 100% { transform: translateY(0) rotate(var(--doodle-rot, -6deg)); }
    50% { transform: translateY(-6px) rotate(var(--doodle-rot-alt, 4deg)); }
}

/* Rabisco progressivo — o traço "se desenha" ao entrar na viewport (Bloco 6.1 do prompt de
   redesign). Estado padrão = totalmente desenhado (stroke-dashoffset:0); só quando o JS
   confirma sucesso (.js-reveal-ready) é que nasce "escondido" para depois se desenhar —
   mesma garantia de "nunca invisível sem JS" usada em .reveal. */
.doodle--draw path {
    stroke-dasharray: 1;
    stroke-dashoffset: 0;
}
.js-reveal-ready .doodle--draw path {
    stroke-dashoffset: 1;
    transition: stroke-dashoffset 0.6s ease-out;
}
.js-reveal-ready .doodle--draw.is-visible path {
    stroke-dashoffset: 0;
}

@media (prefers-reduced-motion: reduce) {
    .doodle--float { animation: none; }
}

/* ---------- Bloco selo-postal (borda recortada como selo de correio) ----------
   Máscara em 2 camadas: a radial recorta meios-círculos ao longo das bordas
   (círculos centrados exatamente nas linhas de borda); a linear é um retângulo
   sólido central que cobre os furos do interior. Sem box-shadow aqui — a máscara
   recortaria a sombra junto. Padding mínimo de 1.5×--r para o conteúdo não
   encostar nos recortes. */
.stamp-block {
    --r: 8px;
    position: relative;
    z-index: var(--z-content);
    background: var(--color-surface);
    padding: var(--space-lg) var(--space-md);
    -webkit-mask:
        radial-gradient(var(--r), transparent 98%, #000) calc(-1.5 * var(--r)) calc(-1.5 * var(--r)) / calc(3 * var(--r)) calc(3 * var(--r)) round,
        linear-gradient(#000 0 0) 50% 50% / calc(100% - 3 * var(--r)) calc(100% - 3 * var(--r)) no-repeat;
    mask:
        radial-gradient(var(--r), transparent 98%, #000) calc(-1.5 * var(--r)) calc(-1.5 * var(--r)) / calc(3 * var(--r)) calc(3 * var(--r)) round,
        linear-gradient(#000 0 0) 50% 50% / calc(100% - 3 * var(--r)) calc(100% - 3 * var(--r)) no-repeat;
}
.stamp-block--blush { background: var(--color-blush); }

/* ---------- Selo circular giratório (texto ao redor + carinha, Y2K) ----------
   O anel de texto gira (só o grupo .spin-text, a carinha central fica parada),
   pausa fora da viewport (mesmo observer dos doodles flutuantes) e desliga
   com prefers-reduced-motion. */
.stamp-circular {
    width: 104px;
    height: 104px;
    color: var(--color-olive-dark);
    pointer-events: none;
    z-index: var(--z-float);
}
.stamp-circular--coral { color: var(--color-accent); }
.stamp-circular .spin-text {
    transform-box: view-box;
    transform-origin: 50% 50%;
    animation: spin-slow 18s linear infinite;
    animation-play-state: paused;
}
.stamp-circular.is-in-view .spin-text { animation-play-state: running; }
@keyframes spin-slow {
    to { transform: rotate(360deg); }
}

/* ---------- Chip com borda rasgada (tira de papel) ---------- */
.chip-ribbon--torn {
    border-radius: 0;
    box-shadow: none; /* clip-path recortaria a sombra de qualquer forma */
    clip-path: polygon(0% 14%, 5% 0%, 26% 7%, 51% 0%, 76% 8%, 96% 0%, 100% 18%, 97% 52%, 100% 86%, 93% 100%, 68% 92%, 44% 100%, 21% 93%, 4% 100%, 0% 78%);
}

@media (prefers-reduced-motion: reduce) {
    .stamp-circular .spin-text { animation: none; }
}

/* ---------- Inclinação utilitária (referenciada por .reveal, ver JS) ---------- */
.tilt-1 { --tilt: var(--tilt-1); }
.tilt-2 { --tilt: var(--tilt-2); }
.tilt-3 { --tilt: var(--tilt-3); }
.tilt-4 { --tilt: var(--tilt-4); }

/* ---------- Blocos-carimbo (Conceito C — seção autocontida) ---------- */
.scrapbook-block {
    position: relative;
    padding: var(--space-xl) 0;
    overflow: hidden;
}
.scrapbook-block--paper { background: var(--color-paper); }
.scrapbook-block--blush { background: var(--color-blush); }
.scrapbook-block--olive { background: var(--color-olive-light); }
.scrapbook-block--olive-dark { background: var(--color-olive-dark); color: #FFFFFF; }
.scrapbook-block--olive-dark h2,
.scrapbook-block--olive-dark h3 { color: #FFFFFF; }
/* --coral: fundo coral sólido. Texto de corpo NÃO vira branco aqui de propósito —
   branco sobre coral não atinge 4.5:1 em texto normal (ver docs/_projeto/04-design-system.md
   seção 2). Títulos usam .sticker-title--reverse (o contorno escuro garante contraste). */
.scrapbook-block--coral { background: var(--color-coral); }

/* Texturas — CSS puro (repeating gradients), opacidade baixa, camada de ambientação */
.scrapbook-block::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: var(--z-texture);
    opacity: 0.1;
    pointer-events: none;
}
.texture-canvas::before {
    background-image:
        repeating-linear-gradient(45deg, var(--color-graphite) 0 1px, transparent 1px 7px),
        repeating-linear-gradient(-45deg, var(--color-graphite) 0 1px, transparent 1px 7px);
}
.texture-waves::before {
    background-image: repeating-linear-gradient(115deg, var(--color-graphite) 0 2px, transparent 2px 22px);
}
.texture-dots::before {
    background-image: radial-gradient(var(--color-graphite) 1.5px, transparent 1.5px);
    background-size: 18px 18px;
}
.texture-radial::before {
    background-image: repeating-radial-gradient(circle at 50% 50%, var(--color-graphite) 0 2px, transparent 2px 26px);
}
/* Ondas orgânicas fluidas (ref: fundo verde-claro do carrossel original). SVG data-URI
   porque gradiente CSS não desenha curva; cor grafite #2D2D2A hardcoded no URI (var()
   não funciona dentro de url()), mesma cor das outras texturas. */
.texture-flow::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='80' viewBox='0 0 160 80'%3E%3Cpath d='M0 20 Q40 0 80 20 T160 20' fill='none' stroke='%232D2D2A' stroke-width='2'/%3E%3Cpath d='M0 60 Q40 40 80 60 T160 60' fill='none' stroke='%232D2D2A' stroke-width='2'/%3E%3C/svg%3E");
    background-size: 160px 80px;
}
.scrapbook-block > .container { position: relative; z-index: var(--z-content); }

/* ---------- Zona limpa: nunca aplicar textura/colagem dentro de formulários ---------- */
.scrapbook-block form,
.scrapbook-block .form-field { position: relative; z-index: var(--z-content); }

/* ---------- Scroll reveal ----------
   Regra inviolável nº5: conteúdo nunca depende de JS. Por padrão todo .reveal
   já nasce visível (transform de repouso = só a inclinação, sem deslocamento).
   Só quando o JS carrega com sucesso E prefers-reduced-motion permite, a classe
   .js-reveal-ready é adicionada ao <html> e o estado "escondido antes de entrar"
   passa a existir. Sem JS, sem observer, sem motion reduzido: nada some. */
.reveal {
    transform: rotate(var(--tilt, 0deg));
}
.js-reveal-ready .reveal {
    opacity: 0;
    transform: translateY(16px) rotate(var(--tilt, 0deg));
    transition: opacity 0.35s ease, transform 0.35s ease;
}
.js-reveal-ready .reveal.is-visible {
    opacity: 1;
    transform: translateY(0) rotate(var(--tilt, 0deg));
}

/* .stamp-carimbo já tem sua própria rotação (--tilt-stamp) — sobrescreve as regras
   genéricas de .reveal acima (que assumiriam 0deg) com maior especificidade. */
.stamp-carimbo.reveal {
    transform: rotate(var(--tilt, var(--tilt-stamp)));
}
.js-reveal-ready .stamp-carimbo.reveal {
    opacity: 0;
    transform: rotate(var(--tilt, var(--tilt-stamp))) scale(0.6);
}
.js-reveal-ready .stamp-carimbo.reveal.is-visible {
    opacity: 1;
    transform: rotate(var(--tilt, var(--tilt-stamp))) scale(1);
}