/* ============================================================
   Sauleda — estils globals (Fase 4)
   Tipografia: Playfair Display (titulars) + Inter (cos) + JetBrains Mono (codi).
   Paleta càlida mediterrània.
   ============================================================ */

:root {
    --sa-primary: #2C2C2C;
    --sa-accent: #C8102E;
    --sa-bg: #FAFAF7;
    --sa-bg-warm: #F0EBE4;
    --sa-text: #1A1A1A;
    --sa-text-muted: #5C5C5C;
    --sa-border: #E0DDD8;
    --sa-card: #FFFFFF;

    --sa-font-serif: 'Playfair Display', Georgia, serif;
    --sa-font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --sa-font-mono: 'JetBrains Mono', Menlo, Consolas, monospace;

    --sa-shadow-sm: 0 1px 2px rgba(26, 26, 26, 0.04);
    --sa-shadow-md: 0 8px 24px rgba(26, 26, 26, 0.08);
    --sa-shadow-lg: 0 20px 48px rgba(26, 26, 26, 0.12);

    --sa-header-h: 72px;
}

.dark {
    --sa-primary: #EDE9E2;
    --sa-accent: #E63E5C;
    --sa-bg: #1A1A1A;
    --sa-bg-warm: #242220;
    --sa-text: #F5F2EC;
    --sa-text-muted: #B8B1A4;
    --sa-border: #3A3632;
    --sa-card: #242220;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    font-family: var(--sa-font-sans);
    background: var(--sa-bg);
    color: var(--sa-text);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--sa-accent);
    text-decoration: none;
    transition: opacity 160ms ease;
}
a:hover { opacity: 0.75; }

code, .sauleda-mono {
    font-family: var(--sa-font-mono);
    font-size: 0.88em;
}

.sauleda-serif { font-family: var(--sa-font-serif); }

/* ---------- layout shell ---------- */

.sauleda-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--sa-bg);
}

.sauleda-main {
    flex: 1;
}

.sauleda-skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--sa-primary);
    color: var(--sa-bg);
    padding: 0.5rem 1rem;
    z-index: 9999;
}
.sauleda-skip-link:focus { left: 0; }

/* ---------- header ---------- */

.sauleda-header {
    position: sticky;
    top: 0;
    z-index: 900;
    background: color-mix(in srgb, var(--sa-bg) 88%, transparent);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--sa-border);
}

.sauleda-header__inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
    height: var(--sa-header-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.sauleda-logo {
    color: var(--sa-text);
    font-family: var(--sa-font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}
.sauleda-logo__name { display: inline-block; }

.sauleda-nav {
    display: flex;
    gap: 2rem;
    flex: 1;
    justify-content: center;
}
.sauleda-nav__link {
    color: var(--sa-text-muted);
    font-size: 0.92rem;
    font-weight: 500;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
}
.sauleda-nav__link.active,
.sauleda-nav__link:hover {
    color: var(--sa-text);
    border-bottom-color: var(--sa-accent);
    opacity: 1;
}

.sauleda-header__actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sauleda-cta { border-radius: 999px !important; padding: 0.5rem 1.25rem !important; }

@media (max-width: 900px) {
    .sauleda-nav { display: none; }
    .sauleda-cta { display: none !important; }
}

/* ---------- hero ---------- */

.sauleda-hero {
    position: relative;
    min-height: calc(100vh - var(--sa-header-h));
    padding: 6rem 2rem;
    background: linear-gradient(160deg, var(--sa-bg-warm) 0%, var(--sa-bg) 60%);
    overflow: hidden;
    display: flex;
    align-items: center;
}

.sauleda-hero__grain {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(200, 16, 46, 0.05), transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(138, 110, 75, 0.08), transparent 50%);
    pointer-events: none;
}

.sauleda-hero__content {
    position: relative;
    max-width: 760px;
    margin: 0 auto;
    z-index: 1;
}

.sauleda-hero__eyebrow,
.sauleda-eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.22em;
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--sa-accent);
    margin: 0 0 1.25rem;
}

.sauleda-hero__title {
    font-family: var(--sa-font-serif);
    font-size: clamp(3rem, 8vw, 6.5rem);
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1;
    margin: 0 0 1rem;
    color: var(--sa-text);
}

.sauleda-hero__tagline {
    font-family: var(--sa-font-serif);
    font-style: italic;
    font-size: 1.4rem;
    color: var(--sa-text-muted);
    margin: 0 0 2rem;
}

.sauleda-hero__lead {
    font-size: 1.1rem;
    color: var(--sa-text);
    max-width: 620px;
    margin: 0 0 2.5rem;
}

.sauleda-hero__cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ---------- sections ---------- */

.sauleda-section {
    padding: 6rem 2rem;
    max-width: 1280px;
    margin: 0 auto;
}

.sauleda-section--dark {
    max-width: none;
    background: var(--sa-primary);
    color: var(--sa-bg);
    text-align: center;
}
.sauleda-section--dark .sauleda-section__title,
.sauleda-section--dark .sauleda-section__lead { color: var(--sa-bg); }
.sauleda-section--dark .sauleda-eyebrow { color: var(--sa-accent); }

.sauleda-section__head {
    max-width: 720px;
    margin: 0 auto 4rem;
    text-align: center;
}

.sauleda-section__title {
    font-family: var(--sa-font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    margin: 0 0 1rem;
    color: var(--sa-text);
}

.sauleda-section__lead {
    color: var(--sa-text-muted);
    font-size: 1.05rem;
}

/* ---------- collection cards ---------- */

.collections-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.collection-card {
    background: var(--sa-card);
    border: 1px solid var(--sa-border);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 220ms ease, box-shadow 220ms ease;
}
.collection-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--sa-shadow-lg);
}

.collection-card__cover {
    aspect-ratio: 4 / 3;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--sa-font-serif);
    font-size: 2.4rem;
    font-weight: 600;
    color: var(--sa-bg);
    letter-spacing: 0.02em;
}
.collection-card--mosaik .collection-card__cover {
    background: linear-gradient(135deg, #8A6E4B, #C8102E 50%, #2C2C2C);
}
.collection-card--plains .collection-card__cover {
    background: linear-gradient(135deg, #D5CFC5, #8A6E4B);
}
.collection-card--fantasy .collection-card__cover {
    background: repeating-linear-gradient(135deg, #2C5F7F 0 30px, #F0EBE4 30px 50px);
}
.collection-card__cover span { text-shadow: 0 2px 16px rgba(0,0,0,0.3); }

.collection-card__body { padding: 1.5rem 1.75rem 2rem; }
.collection-card__body h3 {
    font-family: var(--sa-font-serif);
    font-size: 1.5rem;
    margin: 0 0 0.5rem;
}
.collection-card__body p {
    color: var(--sa-text-muted);
    margin: 0 0 1.25rem;
    font-size: 0.95rem;
}

/* ---------- footer ---------- */

.sauleda-footer {
    background: var(--sa-primary);
    color: #BFBAB1;
    padding: 4rem 2rem 1.5rem;
    margin-top: 6rem;
}
.sauleda-footer__inner {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 3rem;
}
.sauleda-footer__col h3 {
    font-family: var(--sa-font-serif);
    color: #FAFAF7;
    font-size: 1.1rem;
    margin: 0 0 1rem;
}
.sauleda-footer__col ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}
.sauleda-footer__col a { color: #BFBAB1; }
.sauleda-footer__col a:hover { color: #fff; opacity: 1; }
.sauleda-footer__text { margin: 0 0 1rem; font-size: 0.9rem; line-height: 1.7; }
.sauleda-footer__tagline {
    font-family: var(--sa-font-serif);
    font-style: italic;
    color: #8A6E4B;
    margin: 0;
}
.sauleda-footer__bottom {
    max-width: 1280px;
    margin: 3rem auto 0;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.08);
    text-align: center;
    font-size: 0.82rem;
    color: #6A6457;
}

/* ---------- chat ---------- */

.chat-shell {
    max-width: 880px;
    margin: 0 auto;
    padding: 2rem 1.5rem 0;
    display: flex;
    flex-direction: column;
    min-height: calc(100vh - var(--sa-header-h));
}

.chat-intro {
    text-align: center;
    padding: 1rem 0 2rem;
}
.chat-intro__title {
    font-family: var(--sa-font-serif);
    font-size: clamp(2rem, 5vw, 3rem);
    margin: 0.5rem 0 1rem;
}
.chat-intro__lead {
    color: var(--sa-text-muted);
    max-width: 560px;
    margin: 0 auto 2rem;
}

.chat-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    justify-content: center;
}
.chat-suggestion {
    background: var(--sa-card);
    border: 1px solid var(--sa-border);
    color: var(--sa-text);
    padding: 0.55rem 1.1rem;
    border-radius: 999px;
    font: 500 0.88rem var(--sa-font-sans);
    cursor: pointer;
    transition: all 160ms ease;
}
.chat-suggestion:hover {
    border-color: var(--sa-accent);
    color: var(--sa-accent);
    transform: translateY(-1px);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem 0.25rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.chat-msg {
    animation: sa-fade-in 220ms ease;
    max-width: 86%;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.chat-msg--user {
    align-self: flex-end;
    align-items: flex-end;
}
.chat-msg--assistant { align-self: flex-start; }
.chat-msg--error .chat-msg__text { border-color: var(--sa-accent); color: var(--sa-accent); }

.chat-msg__meta {
    display: flex;
    gap: 0.6rem;
    font-size: 0.72rem;
    color: var(--sa-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.chat-msg--user .chat-msg__role { color: var(--sa-accent); }

.chat-msg__text {
    padding: 0.9rem 1.1rem;
    border-radius: 10px;
    background: var(--sa-card);
    border: 1px solid var(--sa-border);
    box-shadow: var(--sa-shadow-sm);
    line-height: 1.55;
    white-space: normal;
}
.chat-msg--user .chat-msg__text {
    background: var(--sa-primary);
    color: var(--sa-bg);
    border-color: var(--sa-primary);
}

.chat-msg__hints {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}
.chat-msg__hint {
    font-size: 0.78rem;
    color: var(--sa-text-muted);
    background: var(--sa-bg-warm);
    border-radius: 4px;
    padding: 0.2rem 0.55rem;
}

.chat-msg__skeleton {
    display: flex;
    gap: 0.3rem;
    padding: 0.9rem 1.1rem;
}
.chat-msg__skeleton span {
    width: 8px; height: 8px;
    background: var(--sa-text-muted);
    border-radius: 50%;
    opacity: 0.5;
    animation: sa-pulse 1.2s infinite;
}
.chat-msg__skeleton span:nth-child(2) { animation-delay: 0.2s; }
.chat-msg__skeleton span:nth-child(3) { animation-delay: 0.4s; }

.chat-msg__cards {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    margin-top: 0.5rem;
}

.chat-footer {
    position: sticky;
    bottom: 0;
    background: color-mix(in srgb, var(--sa-bg) 92%, transparent);
    backdrop-filter: blur(12px);
    padding: 1rem 0 1.25rem;
    border-top: 1px solid var(--sa-border);
}

.chat-input {
    display: flex;
    align-items: flex-end;
    gap: 0.75rem;
    background: var(--sa-card);
    border: 1px solid var(--sa-border);
    border-radius: 12px;
    padding: 0.5rem 0.6rem 0.5rem 1rem;
    box-shadow: var(--sa-shadow-md);
}
.chat-input__textarea {
    flex: 1;
    border: none;
    outline: none;
    resize: none;
    background: transparent;
    font: 400 0.98rem var(--sa-font-sans);
    color: var(--sa-text);
    max-height: 8rem;
    line-height: 1.5;
    padding: 0.6rem 0;
}

.chat-disclaimer {
    color: var(--sa-text-muted);
    font-size: 0.74rem;
    text-align: center;
    margin: 0.75rem 0 0;
}

/* ---------- fabric card ---------- */

.fabric-card {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 1rem;
    border: 1px solid var(--sa-border);
    border-radius: 10px;
    background: var(--sa-card);
    overflow: hidden;
    transition: transform 200ms ease, box-shadow 200ms ease;
    min-height: 140px;
}
.fabric-card:hover,
.fabric-card:focus-visible {
    transform: translateY(-2px);
    box-shadow: var(--sa-shadow-md);
    outline: none;
}

.fabric-card__image {
    position: relative;
    background: var(--sa-bg-warm);
}
.fabric-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.fabric-card__placeholder {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    color: var(--sa-text-muted);
}
.fabric-card__badge {
    position: absolute;
    top: 0.5rem; left: 0.5rem;
    background: var(--sa-accent);
    color: #fff;
    font-size: 0.65rem;
    letter-spacing: 0.12em;
    padding: 0.25rem 0.55rem;
    border-radius: 3px;
    font-weight: 600;
}

.fabric-card__body {
    padding: 0.9rem 1rem 0.9rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}
.fabric-card__head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.75rem;
}
.fabric-card__name {
    font-family: var(--sa-font-serif);
    font-size: 1.15rem;
    margin: 0;
    line-height: 1.25;
    color: var(--sa-text);
}
.fabric-card__code { color: var(--sa-text-muted); font-size: 0.82rem; }

.fabric-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
}
.fabric-card__tag {
    font-size: 0.72rem;
    background: var(--sa-bg-warm);
    color: var(--sa-text);
    padding: 0.18rem 0.55rem;
    border-radius: 3px;
}
.fabric-card__tag--muted { opacity: 0.75; }
.fabric-card__tag--accent { background: rgba(200, 16, 46, 0.08); color: var(--sa-accent); }

.fabric-card__actions {
    display: flex;
    gap: 0.5rem;
    margin-top: auto;
}

/* ---------- fabric detail page ---------- */

.fabric-detail {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2.5rem 2rem 4rem;
}
.fabric-detail__back { margin-bottom: 1.5rem; }

.fabric-detail__head { margin-bottom: 2.5rem; }
.fabric-detail__title {
    font-family: var(--sa-font-serif);
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    margin: 0;
    letter-spacing: -0.02em;
    color: var(--sa-text);
}
.fabric-detail__tags {
    display: flex; gap: 0.75rem; align-items: center; margin-top: 0.5rem;
}

.fabric-detail__grid {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 3rem;
    align-items: start;
}
@media (max-width: 840px) {
    .fabric-detail__grid { grid-template-columns: 1fr; }
}

.fabric-detail__gallery { display: flex; flex-direction: column; gap: 1rem; }
.fabric-detail__hero-img {
    width: 100%;
    border-radius: 10px;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    background: var(--sa-bg-warm);
}
.fabric-detail__thumbs { display: flex; gap: 0.5rem; }
.fabric-detail__thumb {
    width: 80px; height: 80px;
    border: 2px solid var(--sa-border);
    background: var(--sa-bg-warm);
    padding: 0;
    cursor: pointer;
    border-radius: 6px;
    overflow: hidden;
}
.fabric-detail__thumb.is-active { border-color: var(--sa-accent); }
.fabric-detail__thumb img { width: 100%; height: 100%; object-fit: cover; }

.fabric-detail__specs h2 {
    font-family: var(--sa-font-serif);
    font-size: 1.5rem;
    margin: 0 0 1rem;
}
.fabric-detail__specs dl {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.6rem 1.5rem;
    margin: 0 0 2rem;
}
.fabric-detail__specs dt {
    color: var(--sa-text-muted);
    font-size: 0.88rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}
.fabric-detail__specs dd { margin: 0; font-weight: 500; }

.fabric-detail__actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }

.fabric-detail__context {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--sa-border);
}
.fabric-detail__context h2 {
    font-family: var(--sa-font-serif);
    font-size: 1.75rem;
    margin: 0 0 1.5rem;
}
.fabric-detail__context blockquote {
    border-left: 3px solid var(--sa-accent);
    padding: 0.25rem 0 0.25rem 1.25rem;
    margin: 0 0 1.5rem;
    color: var(--sa-text);
}
.fabric-detail__context blockquote footer {
    color: var(--sa-text-muted);
    font-size: 0.82rem;
    margin-top: 0.4rem;
}

/* ---------- dialogs / forms ---------- */

.fabric-dialog {
    display: grid;
    grid-template-columns: 1fr 1.25fr;
    gap: 1.5rem;
}
@media (max-width: 640px) {
    .fabric-dialog { grid-template-columns: 1fr; }
}
.fabric-dialog__gallery img {
    width: 100%; border-radius: 6px; aspect-ratio: 4/3; object-fit: cover;
}
.fabric-dialog__title { font-family: var(--sa-font-serif); margin: 0 0 0.25rem; }
.fabric-dialog__code { color: var(--sa-text-muted); font-size: 0.85rem; }
.fabric-dialog__specs {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.4rem 1rem;
    margin-top: 1rem;
}
.fabric-dialog__specs dt { color: var(--sa-text-muted); font-size: 0.82rem; }
.fabric-dialog__specs dd { margin: 0; }

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem 1.25rem;
    margin-bottom: 1.25rem;
}
.form-grid__full { grid-column: 1 / -1; }
.form-section-title {
    font-family: var(--sa-font-serif);
    font-size: 1.15rem;
    margin: 1.5rem 0 0.75rem;
    color: var(--sa-text);
}
.form-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 1.25rem;
}
.rgpd-check {
    margin: 1rem 0 0.5rem;
    color: var(--sa-text-muted);
    font-size: 0.88rem;
}

.sample-list { background: var(--sa-bg-warm); border-radius: 6px; margin-top: 0.5rem; }
.sample-list__row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    width: 100%;
}

/* ---------- about ---------- */

.about-page {
    max-width: 900px;
    margin: 0 auto;
    padding: 4rem 2rem;
}
.about-page__head { text-align: center; margin-bottom: 3rem; }
.about-page__title {
    font-family: var(--sa-font-serif);
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin: 0.25rem 0 0;
    letter-spacing: -0.02em;
}
.about-page__lead p {
    font-size: 1.08rem;
    color: var(--sa-text);
    margin: 0 0 1.25rem;
}
.about-page__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}
.about-page__grid h2 {
    font-family: var(--sa-font-serif);
    font-size: 1.4rem;
    margin: 0 0 0.5rem;
}
.about-page__grid p { color: var(--sa-text-muted); margin: 0; }
.about-page__cta {
    text-align: center;
    margin-top: 4rem;
    padding: 3rem 2rem;
    background: var(--sa-bg-warm);
    border-radius: 10px;
}
.about-page__cta h2 {
    font-family: var(--sa-font-serif);
    font-size: 2rem;
    margin: 0 0 0.75rem;
}

/* ---------- animations & a11y ---------- */

@keyframes sa-fade-in {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes sa-pulse {
    0%, 100% { opacity: 0.3; transform: scale(0.9); }
    50% { opacity: 1; transform: scale(1.1); }
}

:focus-visible {
    outline: 2px solid var(--sa-accent);
    outline-offset: 2px;
    border-radius: 3px;
}

/* ---------- blazor defaults ---------- */

h1:focus { outline: none; }
.valid.modified:not([type=checkbox]) { outline: 1px solid #26b050; }
.invalid { outline: 1px solid #e50000; }
.validation-message { color: #e50000; font-size: 0.85rem; }

.blazor-error-boundary {
    padding: 1rem;
    background: #b32121;
    color: white;
    border-radius: 4px;
}
.blazor-error-boundary::after { content: "S'ha produït un error."; }