/* ===========================
   Re Lorem Ipsum - Styles
   =========================== */

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Custom properties */
:root {
    --color-primary: #ff6900;
    --color-primary-hover: #e55d00;
    --color-secondary: #345C00;
    --color-secondary-light: #4a8200;
    --color-bg: #ffffff;
    --color-bg-alt: #f6f6f6;
    --color-text: #1a1a1a;
    --color-text-light: #555;
    --color-border: #e0e0e0;
    --color-accent-red: #cf2e2e;
    --color-success: #2e7d32;
    --font-serif: 'Source Serif 4', 'Georgia', serif;
    --font-sans: 'DM Sans', 'Helvetica Neue', Arial, sans-serif;
    --container-max: 820px;
    --radius: 10px;
    --radius-sm: 6px;
    --shadow: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-hover: 0 4px 16px rgba(0,0,0,0.1);
    --transition: 0.2s ease;
}

/* Base */
html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: clamp(15px, 1.6vw, 17px);
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 16px;
    background: var(--color-primary);
    color: #fff;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    z-index: 1000;
    font-size: 14px;
    text-decoration: none;
}
.skip-link:focus {
    top: 16px;
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

/* ===========================
   Hero
   =========================== */
.hero {
    padding: clamp(40px, 8vw, 80px) 0 clamp(24px, 5vw, 48px);
    text-align: center;
}

.hero__title {
    font-family: var(--font-serif);
    font-size: clamp(2.2rem, 6vw, 3.6rem);
    font-weight: 600;
    line-height: 1.15;
    margin-bottom: 16px;
    color: var(--color-accent-red);
}

.hero__subtitle {
    font-size: clamp(1rem, 2vw, 1.15rem);
    color: var(--color-text-light);
    max-width: 780px;
    margin: 0 auto;
    line-height: 1.65;
}

/* ===========================
   Intro / Explicació
   =========================== */
.intro {
    padding: clamp(24px, 4vw, 40px) 0;
    margin-bottom: clamp(16px, 3vw, 32px);
}

.intro__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(20px, 4vw, 40px);
}

.intro__heading {
    font-family: var(--font-sans);
    font-size: clamp(0.95rem, 2vw, 1.1rem);
    font-weight: 700;
    color: var(--color-accent-red);
    margin-bottom: 8px;
}

.intro__block p {
    font-size: clamp(0.85rem, 1.6vw, 0.92rem);
    color: var(--color-text-light);
    line-height: 1.7;
}

.intro__block strong {
    color: var(--color-text);
}

@media (max-width: 768px) {
    .hero__subtitle {
        line-height: 1.5;
    }

    .intro__grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* ===========================
   Cards
   =========================== */
.card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-bottom: 50px;
    box-shadow: var(--shadow);
    transition: box-shadow var(--transition), border-color var(--transition);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-hover);
    border-color: rgba(53, 49, 46, 0.35);
}

/* Card header */
.card__header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-alt);
}

.card__title-row {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.card__title {
    font-family: var(--font-sans);
    font-size: clamp(0.95rem, 2vw, 1.0rem);
    font-weight: 700;
    color: var(--color-accent-red);
    text-transform: uppercase;
    letter-spacing: -0.03em;
    white-space: nowrap;
}

.card__badge {
    display: inline-flex;
    align-items: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-primary);
    background: var(--color-bg);
    border: 1px solid rgba(41, 39, 39, 0.25);
    border-radius: 20px;
    padding: 2px 10px;
    white-space: nowrap;
}

/* Card actions */
.card__actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

/* Controls */
.card__control {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--color-text-light);
}

.card__control-label {
    white-space: nowrap;
}

.card__input {
    width: 64px;
    padding: 4px 8px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    text-align: center;
    color: var(--color-text);
    background: var(--color-bg);
    transition: border-color var(--transition);
}

.card__input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(255, 105, 0, 0.15);
}

/* Remove number input spinners for a cleaner look (optional - they still work) */
.card__input::-webkit-inner-spin-button {
    opacity: 1;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    color: var(--color-text-light);
    font-family: var(--font-sans);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
    line-height: 1;
}

.btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn:active {
    transform: scale(0.96);
}

.btn svg {
    flex-shrink: 0;
}

/* Copy button - fixed width to prevent layout shift */
.btn--copy {
    width: 92px;
    justify-content: center;
}

/* Copy button success state */
.btn--copy.is-copied {
    border-color: var(--color-success);
    color: var(--color-success);
    background: #e8f5e9;
}

/* Regen button spin animation */
.btn--regen.is-spinning svg:first-child {
    animation: spin 0.5s ease;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Card body */
.card__body {
    padding: 20px;
    font-family: var(--font-serif);
    font-size: clamp(0.95rem, 1.8vw, 1.05rem);
    line-height: 1.75;
    color: var(--color-text);
}

.card__body p {
    margin-bottom: 12px;
}

.card__body p:last-child {
    margin-bottom: 0;
}

/* Lists inside cards */
.card__body ol,
.card__body ul {
    padding-left: 24px;
}

.card__body li {
    margin-bottom: 6px;
    line-height: 1.6;
}

.card__body li:last-child {
    margin-bottom: 0;
}

/* Columns layout */
.card__body--columns {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.card__body--columns .column {
    font-family: var(--font-serif);
    font-size: clamp(0.85rem, 1.5vw, 0.95rem);
    line-height: 1.7;
}

/* Fade-in animation for regenerated content */
.card__body.is-fresh {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0.3; }
    to { opacity: 1; }
}

/* ===========================
   Footer
   =========================== */
.footer {
    margin-top: clamp(40px, 8vw, 80px);
    padding: clamp(32px, 6vw, 56px) 0;
    background: var(--color-accent-red);
    border-top: none;
    text-align: center;
}

.footer__desc {
    font-size: clamp(0.85rem, 1.6vw, 0.95rem);
    color: rgba(255, 255, 255, 0.85);
    max-width: 520px;
    margin: 0 auto 12px;
    line-height: 1.65;
}

.footer__desc strong {
    color: #fff;
}

.footer__credits {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.75);
}

.footer__copyright {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 12px;
}

.footer a {
    color: #fff;
    text-decoration: none;
    transition: opacity var(--transition);
}

.footer a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

/* ===========================
   Responsive
   =========================== */
@media (max-width: 768px) {
    .card__header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        padding: 14px 16px;
    }

    .card__actions {
        width: 100%;
        justify-content: flex-start;
    }

    .card__body {
        padding: 16px;
    }

    .card__body--columns {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .card {
        margin-bottom: 40px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 14px;
    }

    .card__actions {
        flex-wrap: wrap;
        gap: 6px;
    }

    .btn span {
        display: none;
    }

    .btn {
        padding: 8px;
    }

    .card__input {
        width: 56px;
    }
}

/* Print styles */
@media print {
    .card__header {
        background: none;
    }
    .card__actions {
        display: none;
    }
    .card {
        box-shadow: none;
        break-inside: avoid;
    }
}