/* ============================================================
   Wedding RSVP — Stylesheet
   No external dependencies. System fonts only.
   ============================================================ */

/* ── Custom Properties ──────────────────────────────────────── */
:root {
    --color-bg:           #faf8f5;
    --color-surface:      #ffffff;
    --color-text:         #2c2926;
    --color-muted:        #6b655f;
    --color-border:       #e6e0d8;
    --color-accent:       #7c5c4a;
    --color-accent-hover: #654c3c;
    --color-gold:         #b89070;

    --color-hero-bg:      #1e1a17;
    --color-hero-text:    #f5f0ea;

    --color-success-bg:   #f0f7f2;
    --color-success-text: #2d5a3d;
    --color-success-border: #9bcbaa;

    --color-error-bg:     #fdf1f1;
    --color-error-text:   #7a2828;
    --color-error-border: #e8a0a0;

    --color-yes:          #2d5a3d;
    --color-no:           #7a2828;

    --font-body:    system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: Georgia, 'Times New Roman', serif;

    --radius:   6px;
    --shadow:   0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.12);

    --max-width:        1000px;
    --max-width-narrow: 680px;
}

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

/* ── Base ────────────────────────────────────────────────────── */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.65;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: normal;
    line-height: 1.2;
}

address {
    font-style: normal;
}

ul {
    list-style: none;
}

a {
    color: var(--color-accent);
    text-decoration: underline;
}

/* ── Layout ──────────────────────────────────────────────────── */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: 1.5rem;
}

.container--narrow {
    max-width: var(--max-width-narrow);
}

/* ── Hero ────────────────────────────────────────────────────── */
.hero {
    background-color: var(--color-hero-bg);
    color: var(--color-hero-text);
    text-align: center;
    padding: 5rem 1.5rem 4.5rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(184, 144, 112, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero-inner {
    position: relative;
    z-index: 1;
}

.hero-date {
    font-family: var(--font-heading);
    font-size: 1rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 1.25rem;
}

.hero-names {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: normal;
    letter-spacing: 0.04em;
    color: var(--color-hero-text);
    margin-bottom: 1rem;
}

.hero-amp {
    color: var(--color-gold);
    font-style: italic;
}

.hero-tagline {
    font-family: var(--font-heading);
    font-style: italic;
    font-size: clamp(1.25rem, 4vw, 2.5rem);
    color: rgba(245, 240, 234, 0.75);
}

/* ── Sections ────────────────────────────────────────────────── */
.section {
    padding-block: 4rem;
}

.section--details {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.section--rsvp {
    background-color: var(--color-bg);
}

.section-heading {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.section-heading::after {
    content: '';
    display: block;
    width: 3rem;
    height: 1px;
    background-color: var(--color-gold);
    margin: 0.75rem auto 0;
}

.section-intro {
    text-align: center;
    color: var(--color-muted);
    margin-bottom: 2rem;
}

/* ── Details Grid ────────────────────────────────────────────── */
.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 2.5rem;
    max-width: 600px;
    margin-inline: auto;
}

.detail-card {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.75rem 1.5rem;
    text-align: center;
}

.detail-card h3 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    color: var(--color-accent);
    margin-bottom: 0.75rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-size: 0.85rem;
}

.detail-card p,
.detail-card address {
    font-size: 0.95rem;
    color: var(--color-muted);
    line-height: 1.7;
}

.details-note {
    text-align: center;
    color: var(--color-muted);
    font-size: 1.1rem;
    font-style: italic;
    margin-top: 1.5rem;
    margin-bottom: 0.25rem;
}

/* ── Alerts ──────────────────────────────────────────────────── */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    border: 1px solid;
    margin-bottom: 1.75rem;
    font-size: 0.95rem;
}

.alert--success {
    background-color: var(--color-success-bg);
    color: var(--color-success-text);
    border-color: var(--color-success-border);
}

.alert--error {
    background-color: var(--color-error-bg);
    color: var(--color-error-text);
    border-color: var(--color-error-border);
}

.alert--error ul {
    margin-top: 0.4rem;
    padding-left: 1.25rem;
    list-style: disc;
}

.alert--error ul li + li {
    margin-top: 0.2rem;
}

/* ── RSVP Form ───────────────────────────────────────────────── */
.rsvp-form {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
}

/* Honeypot — visually hidden but present in DOM */
.honeypot {
    position: absolute !important;
    left: -9999px !important;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group--small {
    max-width: 180px;
}

.form-group label,
.form-group legend {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 0.4rem;
}

.form-group fieldset {
    border: none;
    padding: 0;
}

.form-group fieldset legend {
    margin-bottom: 0.6rem;
}

.required {
    color: var(--color-accent);
    margin-left: 0.15em;
}

input[type="text"],
input[type="email"],
input[type="number"],
input[type="password"],
textarea {
    display: block;
    width: 100%;
    padding: 0.55rem 0.75rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--color-text);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    transition: border-color 0.15s, box-shadow 0.15s;
    appearance: none;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="number"]:focus,
input[type="password"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(124, 92, 74, 0.15);
}

textarea {
    resize: vertical;
    min-height: 70px;
}

.radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 0.25rem;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.95rem;
}

.radio-label input[type="radio"] {
    width: auto;
    accent-color: var(--color-accent);
    cursor: pointer;
}

.form-actions {
    margin-top: 1.5rem;
}

/* ── Button ──────────────────────────────────────────────────── */
.btn {
    display: inline-block;
    padding: 0.65rem 1.75rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: #ffffff;
    background-color: var(--color-accent);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.15s, transform 0.1s;
}

.btn:hover {
    background-color: var(--color-accent-hover);
    color: #ffffff;
}

.btn:active {
    transform: translateY(1px);
}

.btn--secondary {
    background-color: transparent;
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
}

.btn--secondary:hover {
    background-color: var(--color-accent);
    color: #ffffff;
}

/* ── FAQ Accordion ───────────────────────────────────────────── */
.section--faq {
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
}

.faq-accordion {
    margin-top: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.faq-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
}

.faq-item[open] {
    box-shadow: var(--shadow);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.25rem;
    font-family: var(--font-heading);
    font-size: 1.05rem;
    color: var(--color-text);
    cursor: pointer;
    list-style: none;
    background-color: var(--color-surface);
    transition: background-color 0.15s;
    user-select: none;
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question::after {
    content: '+';
    flex-shrink: 0;
    font-size: 1.25rem;
    font-family: var(--font-body);
    font-weight: 300;
    color: var(--color-gold);
    line-height: 1;
    transition: transform 0.2s;
}

.faq-item[open] > .faq-question {
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}

.faq-item[open] > .faq-question::after {
    transform: rotate(45deg);
}

.faq-question:hover {
    background-color: var(--color-bg);
}

.faq-answer {
    padding: 1rem 1.25rem;
    color: var(--color-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ── Footer ──────────────────────────────────────────────────── */
.site-footer {
    text-align: center;
    padding-block: 2.5rem;
    border-top: 1px solid var(--color-border);
    font-family: var(--font-heading);
    font-style: italic;
    color: var(--color-muted);
    font-size: 0.95rem;
}

/* ── Admin: Login ────────────────────────────────────────────── */
.admin-page {
    background-color: var(--color-bg);
    min-height: 100vh;
}

.login-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
}

.login-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 2.5rem 2rem;
    width: 100%;
    max-width: 380px;
}

.login-card h1 {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    text-align: center;
    color: var(--color-text);
}

/* ── Admin: Dashboard ────────────────────────────────────────── */
.admin-layout {
    min-height: 100vh;
}

.admin-header {
    background-color: var(--color-hero-bg);
    color: var(--color-hero-text);
    padding-block: 1rem;
    margin-bottom: 2rem;
}

.admin-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.admin-header h1 {
    font-size: 1.4rem;
    color: var(--color-hero-text);
}

.admin-main {
    padding-bottom: 3rem;
}

/* ── Stats Grid ──────────────────────────────────────────────── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.25rem 1rem;
    text-align: center;
    box-shadow: var(--shadow);
}

.stat-card--yes  { border-top: 3px solid var(--color-yes); }
.stat-card--no   { border-top: 3px solid var(--color-no); }
.stat-card--guests { border-top: 3px solid var(--color-gold); }

.stat-number {
    display: block;
    font-size: 2.25rem;
    font-family: var(--font-heading);
    color: var(--color-text);
    line-height: 1;
    margin-bottom: 0.4rem;
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-muted);
}

/* ── Submissions Table ───────────────────────────────────────── */
.table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    background-color: var(--color-surface);
}

.submissions-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.submissions-table th {
    background-color: var(--color-bg);
    color: var(--color-muted);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 2px solid var(--color-border);
    white-space: nowrap;
}

.submissions-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-border);
    vertical-align: top;
    max-width: 240px;
    word-break: break-word;
}

.submissions-table tbody tr:last-child td {
    border-bottom: none;
}

.submissions-table tbody tr:hover {
    background-color: #fdf9f7;
}

.attending-cell--yes {
    color: var(--color-yes);
    font-weight: 500;
}

.attending-cell--no {
    color: var(--color-no);
}

.center { text-align: center; }
.nowrap { white-space: nowrap; }

.empty-state {
    text-align: center;
    color: var(--color-muted);
    font-style: italic;
    padding: 3rem 1rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

/* ── Carousel ────────────────────────────────────────────────── */
.section--photos {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.carousel-wrapper {
    display: flex;
    align-items: center;
    gap: 1rem;
    max-width: 900px;
    margin-inline: auto;
}

.carousel {
    position: relative;
    flex: 1;
    min-width: 0;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background-color: var(--color-surface);
    aspect-ratio: 4 / 3;
    user-select: none;
}

.carousel-track {
    display: flex;
    height: 100%;
    transition: transform 0.35s ease;
    will-change: transform;
}

.carousel-slide {
    flex: 0 0 100%;
    height: 100%;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.carousel-btn {
    flex-shrink: 0;
    background-color: transparent;
    color: var(--color-accent);
    border: 1px solid var(--color-border);
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 50%;
    font-size: 1.75rem;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.15s, border-color 0.15s, color 0.15s;
}

.carousel-btn:hover {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: #ffffff;
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
    }

    .form-group--small {
        max-width: 100%;
    }

    .rsvp-form {
        padding: 1.5rem 1rem;
    }

    .hero {
        padding-block: 3.5rem 3rem;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
}