/* ==========================================================================
   La Cantilienne — Mobile-first CSS
   ========================================================================== */

:root {
    --color-primary: #2D5F2D;
    --color-primary-light: #4A8C4A;
    --color-bg: #FAFAF5;
    --color-text: #2C2C2C;
    --color-text-light: #666666;
    --color-card-bg: #FFFFFF;
    --color-border: #E0E0D8;
    --color-accent: #D4A843;
    --color-chip-bg: #EEF2EE;
    --color-chip-text: #2D5F2D;
    --color-skeleton: #E8E8E0;
    --color-error: #C0392B;
    --color-error-bg: #FDEDEC;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.08);
    --max-width: 640px;
    --font-body: system-ui, -apple-system, sans-serif;
}

/* ---------- Reset & Base ---------- */

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
}

/* ---------- Container ---------- */

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    flex-direction: column;
    min-height: 100dvh;
}

main {
    flex: 1;
}

/* ---------- Header ---------- */

.header {
    text-align: center;
    padding: 3rem 0 1.5rem;
    transition: padding 0.3s ease;
}

.header.header--compact {
    padding: 1.5rem 0 1rem;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.logo-icon {
    font-size: 2rem;
    line-height: 1;
}

.header--compact .logo-icon {
    font-size: 1.5rem;
}

.logo-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

.header--compact .logo-title {
    font-size: 1.25rem;
}

.baseline {
    font-size: 1rem;
    color: var(--color-text-light);
    margin-top: 0.25rem;
}

.header--compact .baseline {
    display: none;
}

/* ---------- Search Form ---------- */

.search-form {
    margin-bottom: 1rem;
}

.input-wrapper {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.search-input {
    flex: 1;
    font-size: 1rem;
    padding: 0.875rem 1.25rem;
    border: 2px solid var(--color-border);
    border-radius: 999px;
    background: var(--color-card-bg);
    color: var(--color-text);
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    font-family: var(--font-body);
}

.search-input::placeholder {
    color: var(--color-text-light);
    opacity: 0.7;
}

.search-input:focus {
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(45, 95, 45, 0.15);
}

.search-button {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border: none;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.search-button:hover {
    background-color: var(--color-primary-light);
}

.search-button:active {
    transform: scale(0.95);
}

.search-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ---------- Suggestion Chips ---------- */

.chips-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.chip {
    display: inline-block;
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    background-color: var(--color-chip-bg);
    color: var(--color-chip-text);
    cursor: pointer;
    user-select: none;
    transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.1s ease;
    text-align: center;
    line-height: 1.3;
}

.chip:hover {
    background-color: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.chip:active {
    transform: scale(0.97);
}

/* ---------- Response Section ---------- */

.response-section {
    margin-top: 0.5rem;
}

/* ---------- Skeleton Loading ---------- */

.skeleton-container {
    padding: 1rem 0;
}

.skeleton {
    background-color: var(--color-skeleton);
    border-radius: var(--radius-sm);
    animation: skeleton-pulse 1.5s ease-in-out infinite;
}

.skeleton-text {
    height: 1rem;
    margin-bottom: 0.75rem;
}

.skeleton-text--long {
    width: 100%;
}

.skeleton-text--medium {
    width: 75%;
}

.skeleton-text--short {
    width: 50%;
    margin-bottom: 1.25rem;
}

.skeleton-card {
    height: 6rem;
    margin-bottom: 0.75rem;
    border-radius: var(--radius);
}

@keyframes skeleton-pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.4;
    }
}

.reassurance-text {
    text-align: center;
    font-size: 0.9375rem;
    color: var(--color-text-light);
    font-style: italic;
    margin-top: 1rem;
    animation: fade-in 0.5s ease;
}

@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ---------- LLM Response ---------- */

.llm-response {
    padding: 1rem 0;
    animation: fade-in 0.4s ease;
}

.response-text {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    white-space: pre-line;
}

/* ---------- Event Cards ---------- */

.cards-container {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 0.5rem;
    animation: fade-in 0.4s ease;
}

.event-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    box-shadow: var(--shadow-card);
    transition: box-shadow 0.2s ease;
}

.event-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.event-card__title {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.375rem;
    line-height: 1.4;
}

.event-card__date {
    font-size: 0.9375rem;
    color: var(--color-text);
    margin-bottom: 0.25rem;
}

.event-card__venue {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    margin-bottom: 0.25rem;
}

.event-card__price {
    font-size: 0.875rem;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.event-card__price--free {
    color: var(--color-primary);
}

.event-card__link {
    display: inline-block;
    font-size: 0.875rem;
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.event-card__link:hover {
    color: var(--color-primary-light);
    text-decoration: underline;
}

/* ---------- Error Message ---------- */

.error-message {
    background-color: var(--color-error-bg);
    border: 1px solid var(--color-error);
    border-radius: var(--radius-sm);
    padding: 1rem 1.25rem;
    margin-top: 0.5rem;
    animation: fade-in 0.3s ease;
}

.error-message p {
    font-size: 1rem;
    color: var(--color-error);
    line-height: 1.5;
}

/* ---------- New Search Button ---------- */

.new-search-button {
    display: block;
    width: 100%;
    margin-top: 1.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-family: var(--font-body);
    font-weight: 500;
    color: var(--color-primary);
    background: transparent;
    border: 2px solid var(--color-primary);
    border-radius: 999px;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.new-search-button:hover {
    background-color: var(--color-primary);
    color: #fff;
}

/* ---------- Footer ---------- */

.footer {
    text-align: center;
    padding: 2rem 0 1.5rem;
    margin-top: auto;
    border-top: 1px solid var(--color-border);
}

.footer nav {
    margin-bottom: 0.5rem;
}

.footer a {
    font-size: 0.875rem;
    color: var(--color-text-light);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.footer-sep {
    margin: 0 0.5rem;
    color: var(--color-text-light);
}

.footer-credit {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    opacity: 0.7;
}

/* ---------- Legal Pages ---------- */

.legal-page {
    padding: 2rem 0;
}

.legal-page h1 {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.legal-page h2 {
    font-size: 1.125rem;
    color: var(--color-primary);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.legal-page p {
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 0.75rem;
}

.legal-page a {
    color: var(--color-primary);
}

.legal-page .back-link {
    display: inline-block;
    margin-bottom: 1.5rem;
    font-size: 0.9375rem;
    color: var(--color-primary);
    text-decoration: none;
}

.legal-page .back-link:hover {
    text-decoration: underline;
}

/* ---------- Utility ---------- */

[hidden] {
    display: none !important;
}

/* ---------- Focus visible ---------- */

:focus-visible {
    outline: 2px solid var(--color-primary-light);
    outline-offset: 2px;
}

/* ---------- Media Queries ---------- */

@media (min-width: 480px) {
    .chips-container {
        gap: 0.625rem;
    }

    .chip {
        font-size: 0.9375rem;
    }
}