/* ========== RSVP CAROUSEL OVERLAY ========== */
/* Namespaced under .rsvp-overlay to avoid collisions with main styles */

.rsvp-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: var(--color-primary);
    color: #fff;
    overflow-y: auto;
    overflow-x: hidden;
    display: none;

    /* Variables used by carousel (not defined in main style.css) */
    --color-gold: #7daa8a;
    --color-green: #7dcea0;
    --color-red: #e0a0a0;
}

.rsvp-overlay.open {
    display: block;
}

/* Close button (inside progress-top flex) */
.rsvp-overlay .rsvp-close-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.15);
    background: transparent;
    color: rgba(255,255,255,0.5);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s;
    margin-left: 12px;
    flex-shrink: 0;
}

.rsvp-overlay .rsvp-close-btn:hover {
    border-color: rgba(255,255,255,0.3);
    color: #fff;
}

/* ========== STICKY PROGRESS BAR ========== */
.rsvp-overlay .progress-sticky {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(31, 45, 38, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    padding: 10px 20px 8px;
}

.rsvp-overlay .progress-inner {
    max-width: 480px;
    margin: 0 auto;
}

.rsvp-overlay .progress-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.rsvp-overlay .progress-label {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.6);
    font-weight: 400;
}

.rsvp-overlay .progress-label strong {
    color: var(--color-gold);
    font-weight: 600;
}

.rsvp-overlay .progress-counter {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.4);
}

.rsvp-overlay .carousel-progress-bar {
    width: 100%;
    height: 3px;
    background: rgba(255,255,255,0.08);
    border-radius: 3px;
    overflow: hidden;
}

.rsvp-overlay .carousel-progress-fill {
    height: 100%;
    background: var(--color-gold);
    border-radius: 3px;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========== MAIN LAYOUT ========== */
.rsvp-overlay .rsvp-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px 16px 100px;
    min-height: calc(100vh - 52px);
}

/* ========== HEADER (guest chip) ========== */
.rsvp-overlay .guest-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: none;
    border: none;
    margin-bottom: 16px;
    max-width: 480px;
}

.rsvp-overlay .guest-avatar {
    width: 28px;
    height: 28px;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 0.85rem;
    color: rgba(255,255,255,0.7);
    flex-shrink: 0;
    margin: 0;
}

.rsvp-overlay .guest-chip-name {
    font-size: 0.85rem;
    font-weight: 400;
    color: rgba(255,255,255,0.6);
    white-space: nowrap;
    line-height: 1;
}

.rsvp-overlay .guest-chip-partner {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.45);
    font-weight: 400;
    display: none;
    transition: opacity 0.3s ease;
}

.rsvp-overlay .guest-chip-partner.visible {
    display: inline;
}

/* ========== CAROUSEL ========== */
.rsvp-overlay .carousel {
    width: 100%;
    max-width: 480px;
    position: relative;
}

.rsvp-overlay .card {
    position: absolute;
    width: 100%;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 22px;
    padding: 28px 24px 26px;
    text-align: center;
    opacity: 0;
    transform: translateX(80px) scale(0.96);
    transition: all 0.45s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.rsvp-overlay .card.active {
    opacity: 1;
    transform: translateX(0) scale(1);
    pointer-events: auto;
    position: relative;
}

.rsvp-overlay .card.exit-left {
    opacity: 0;
    transform: translateX(-80px) scale(0.96);
}

.rsvp-overlay .card.exit-right {
    opacity: 0;
    transform: translateX(80px) scale(0.96);
}

.rsvp-overlay .card-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 14px;
    border-radius: 50%;
    background: rgba(125,170,138,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gold);
}

.rsvp-overlay .card.active .card-icon {
    animation: rsvpIconPop 0.4s ease;
}

@keyframes rsvpIconPop {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}

.rsvp-overlay .card h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 6px;
}

.rsvp-overlay .card .desc {
    color: rgba(255,255,255,0.45);
    font-size: 0.82rem;
    margin-bottom: 22px;
}

/* ========== CHOICES (radio) ========== */
.rsvp-overlay .choices {
    display: flex;
    gap: 12px;
    justify-content: center;
    align-items: stretch;
}

.rsvp-overlay .choice {
    position: relative;
    flex: 1;
    max-width: 170px;
    display: flex;
}

.rsvp-overlay .choice input { display: none; }

.rsvp-overlay .choice-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 14px 12px;
    border: 2px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.25s ease;
    width: 100%;
}

.rsvp-overlay .choice-btn:hover {
    border-color: rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.03);
}

.rsvp-overlay .choice-btn:active {
    transform: scale(0.97);
}

.rsvp-overlay .choice input:checked + .choice-btn {
    border-color: var(--color-gold);
    background: rgba(125,170,138,0.1);
    box-shadow: 0 0 0 1px rgba(125,170,138,0.15);
}

.rsvp-overlay .choice-icon {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.25s;
}

.rsvp-overlay .choice input:checked + .choice-btn .choice-icon {
    background: rgba(125,170,138,0.2);
}

.rsvp-overlay .choice-btn strong { font-size: 0.88rem; font-weight: 500; }
.rsvp-overlay .choice-btn small { font-size: 0.72rem; color: rgba(255,255,255,0.4); }

/* ========== CHECKBOX ROW ========== */
.rsvp-overlay .cb-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    margin: 6px 0;
    text-align: left;
    cursor: pointer;
    transition: all 0.25s;
}

.rsvp-overlay .cb-row:hover {
    border-color: rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.02);
}

.rsvp-overlay .cb-row input[type="checkbox"] {
    accent-color: var(--color-gold);
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.rsvp-overlay .cb-row .cb-text { font-size: 0.85rem; }

.rsvp-overlay .cb-row .cb-price {
    margin-left: auto;
    font-size: 0.73rem;
    color: var(--color-gold);
    white-space: nowrap;
}

/* ========== TEXTAREA ========== */
.rsvp-overlay .card-textarea {
    width: 100%;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 14px;
    padding: 14px 16px;
    color: #fff;
    font-family: var(--font-body);
    font-size: 0.88rem;
    resize: none;
    text-align: left;
    transition: border-color 0.25s;
}

.rsvp-overlay .card-textarea::placeholder { color: rgba(255,255,255,0.3); }
.rsvp-overlay .card-textarea:focus { outline: none; border-color: var(--color-gold); }

/* ========== SECTION LABEL (inside card) ========== */
.rsvp-overlay .card-section {
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.rsvp-overlay .card-section-label {
    font-size: 0.82rem;
    font-weight: 500;
    color: rgba(255,255,255,0.6);
    margin-bottom: 12px;
    text-align: left;
}

.rsvp-overlay .card-note {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.73rem;
    color: rgba(255,255,255,0.35);
    margin-top: 8px;
    text-align: left;
}

/* ========== DIET PER PERSON ========== */
.rsvp-overlay .diet-person {
    text-align: left;
    padding: 16px 0;
}

.rsvp-overlay .diet-person + .diet-person {
    border-top: 1px solid rgba(255,255,255,0.06);
}

.rsvp-overlay .diet-person-label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 0.85rem;
    font-weight: 500;
}

.rsvp-overlay .diet-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 0.85rem;
    color: #fff;
    flex-shrink: 0;
}

/* ========== SUMMARY CARD ========== */
.rsvp-overlay .summary-list {
    text-align: left;
    margin-bottom: 24px;
}

.rsvp-overlay .summary-row {
    display: flex;
    align-items: center;
    padding: 13px 14px;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.2s;
    gap: 10px;
}

.rsvp-overlay .summary-row:hover {
    background: rgba(255,255,255,0.05);
}

.rsvp-overlay .summary-row + .summary-row {
    border-top: 1px solid rgba(255,255,255,0.05);
}

.rsvp-overlay .summary-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: rgba(255,255,255,0.5);
}

.rsvp-overlay .summary-text {
    flex: 1;
    min-width: 0;
}

.rsvp-overlay .summary-label {
    font-size: 0.73rem;
    color: rgba(255,255,255,0.45);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.rsvp-overlay .summary-value {
    font-size: 0.88rem;
    font-weight: 500;
    margin-top: 1px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.rsvp-overlay .summary-value.val-yes { color: var(--color-green); }
.rsvp-overlay .summary-value.val-no { color: var(--color-red); }

.rsvp-overlay .summary-edit {
    color: rgba(255,255,255,0.3);
    flex-shrink: 0;
    transition: color 0.2s;
}

.rsvp-overlay .summary-row:hover .summary-edit { color: var(--color-gold); }

.rsvp-overlay .btn-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 16px 24px;
    border-radius: 50px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    background: var(--color-gold);
    color: var(--color-primary);
    transition: all 0.25s;
    letter-spacing: 0.02em;
}

.rsvp-overlay .btn-submit:hover {
    background: #92bba0;
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(125,170,138,0.25);
}

.rsvp-overlay .btn-submit:active { transform: scale(0.98); }

.rsvp-overlay .btn-submit:disabled {
    opacity: 0.6;
    cursor: default;
    pointer-events: none;
}

/* ========== RETURN TO SUMMARY BUTTON ========== */
.rsvp-overlay .btn-return {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    max-width: 480px;
    margin-top: 12px;
    padding: 14px 24px;
    border-radius: 50px;
    font-family: var(--font-body);
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid var(--color-gold);
    background: rgba(125,170,138,0.1);
    color: var(--color-gold);
    margin-top: 16px;
    transition: all 0.25s;
}

.rsvp-overlay .btn-return.visible { display: flex; }

.rsvp-overlay .btn-return:hover {
    background: rgba(125,170,138,0.2);
}

/* ========== SUCCESS CARD ========== */
.rsvp-overlay .success-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 24px;
    border-radius: 50%;
    background: rgba(125,170,138,0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gold);
    animation: rsvpSuccessPulse 2s ease infinite;
}

@keyframes rsvpSuccessPulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(125,170,138,0.15); }
    50% { transform: scale(1.04); box-shadow: 0 0 0 12px rgba(125,170,138,0); }
}

.rsvp-overlay .success-text {
    font-size: 0.92rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.7;
}

.rsvp-overlay .success-close-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 24px;
    padding: 12px 28px;
    border-radius: 50px;
    border: 1px solid rgba(255,255,255,0.15);
    background: transparent;
    color: rgba(255,255,255,0.6);
    font-family: var(--font-body);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.25s;
}

.rsvp-overlay .success-close-btn:hover {
    border-color: rgba(255,255,255,0.3);
    color: #fff;
}

/* ========== NAVIGATION ========== */
.rsvp-overlay .nav-area {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 480px;
    width: 100%;
    margin-top: 22px;
    padding: 0 4px;
}

.rsvp-overlay .nav-arrow {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.1);
    background: transparent;
    color: rgba(255,255,255,0.5);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s;
}

.rsvp-overlay .nav-arrow:hover {
    border-color: rgba(255,255,255,0.3);
    color: #fff;
}

.rsvp-overlay .nav-arrow:active { transform: scale(0.95); }

.rsvp-overlay .nav-arrow.primary {
    background: var(--color-gold);
    border-color: var(--color-gold);
    color: var(--color-primary);
}

.rsvp-overlay .nav-arrow.primary:hover {
    background: #92bba0;
    box-shadow: 0 2px 12px rgba(125,170,138,0.3);
}

.rsvp-overlay .nav-arrow:disabled {
    opacity: 0.2;
    cursor: default;
    pointer-events: none;
}

.rsvp-overlay .nav-hint {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.2);
}

.rsvp-overlay .tap-hint {
    text-align: center;
    margin-top: 18px;
    color: rgba(255,255,255,0.2);
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    max-width: 480px;
    width: 100%;
}

/* ========== VALIDATION SHAKE ========== */
@keyframes rsvpShake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(6px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

.rsvp-overlay .card.shake {
    animation: rsvpShake 0.4s ease;
}

/* ========== RESPONSIVE ========== */

/* Large phones / small tablets */
@media (min-width: 500px) {
    .rsvp-overlay .card { padding: 36px 32px 32px; }
    .rsvp-overlay .card h3 { font-size: 1.7rem; }
    .rsvp-overlay .choice-btn { padding: 16px 16px; }
}

/* Mobile phones - compact layout */
@media (max-width: 500px) {
    .rsvp-overlay .rsvp-wrapper { padding: 10px 14px 90px; }
    .rsvp-overlay .guest-chip { padding: 4px 12px 4px 4px; gap: 7px; margin-bottom: 10px; }
    .rsvp-overlay .guest-avatar { width: 26px; height: 26px; font-size: 0.85rem; }
    .rsvp-overlay .guest-chip-name { font-size: 0.78rem; }
    .rsvp-overlay .guest-chip-partner { font-size: 0.72rem; }
    .rsvp-overlay .card { padding: 20px 18px 18px; border-radius: 18px; }
    .rsvp-overlay .card-icon { width: 44px; height: 44px; margin-bottom: 10px; }
    .rsvp-overlay .card h3 { font-size: 1.25rem; margin-bottom: 4px; }
    .rsvp-overlay .card .desc { font-size: 0.78rem; margin-bottom: 16px; }
    .rsvp-overlay .choice-btn { padding: 12px 10px; gap: 4px; }
    .rsvp-overlay .choice-icon { width: 30px; height: 30px; }
    .rsvp-overlay .choice-btn strong { font-size: 0.84rem; }
    .rsvp-overlay .choice-btn small { font-size: 0.7rem; }
    .rsvp-overlay .cb-row { padding: 12px 14px; }
    .rsvp-overlay .cb-row .cb-text { font-size: 0.82rem; }
    .rsvp-overlay .card-section { margin-top: 16px; padding-top: 14px; }
    .rsvp-overlay .card-section-label { font-size: 0.78rem; margin-bottom: 8px; }
    .rsvp-overlay .summary-row { padding: 10px 10px; }
    .rsvp-overlay .summary-icon { width: 28px; height: 28px; }
    .rsvp-overlay .summary-label { font-size: 0.68rem; }
    .rsvp-overlay .summary-value { font-size: 0.82rem; }
    .rsvp-overlay .nav-area { margin-top: 16px; }
    .rsvp-overlay .nav-arrow { width: 46px; height: 46px; }
    .rsvp-overlay .btn-submit { padding: 14px 20px; font-size: 0.9rem; }
}

/* Small phones (iPhone SE, Galaxy S, etc.) */
@media (max-width: 380px) {
    .rsvp-overlay .rsvp-wrapper { padding: 8px 10px 80px; }
    .rsvp-overlay .progress-sticky { padding: 8px 12px 6px; }
    .rsvp-overlay .progress-label { font-size: 0.76rem; }
    .rsvp-overlay .guest-chip { padding: 3px 10px 3px 3px; gap: 6px; margin-bottom: 8px; }
    .rsvp-overlay .guest-avatar { width: 22px; height: 22px; font-size: 0.75rem; }
    .rsvp-overlay .guest-chip-name { font-size: 0.73rem; }
    .rsvp-overlay .guest-chip-partner { font-size: 0.68rem; }
    .rsvp-overlay .card {
        padding: 16px 14px 14px;
        border-radius: 16px;
    }
    .rsvp-overlay .card-icon { width: 38px; height: 38px; margin-bottom: 8px; }
    .rsvp-overlay .card h3 { font-size: 1.1rem; margin-bottom: 3px; }
    .rsvp-overlay .card .desc { font-size: 0.72rem; margin-bottom: 12px; }
    .rsvp-overlay .choice-btn {
        padding: 10px 8px;
        border-radius: 14px;
        gap: 3px;
    }
    .rsvp-overlay .choice-icon { width: 28px; height: 28px; }
    .rsvp-overlay .choice-btn strong { font-size: 0.8rem; }
    .rsvp-overlay .choice-btn small { font-size: 0.66rem; }
    .rsvp-overlay .choices { gap: 8px; }
    .rsvp-overlay .cb-row { padding: 10px 12px; }
    .rsvp-overlay .cb-row .cb-text { font-size: 0.78rem; }
    .rsvp-overlay .card-section { margin-top: 12px; padding-top: 10px; }
    .rsvp-overlay .card-section-label { font-size: 0.75rem; margin-bottom: 6px; }
    .rsvp-overlay .card-note { font-size: 0.68rem; }
    .rsvp-overlay .summary-row { padding: 9px 8px; gap: 8px; }
    .rsvp-overlay .summary-icon { width: 26px; height: 26px; }
    .rsvp-overlay .summary-label { font-size: 0.65rem; }
    .rsvp-overlay .summary-value { font-size: 0.78rem; }
    .rsvp-overlay .nav-area { margin-top: 12px; }
    .rsvp-overlay .nav-arrow { width: 42px; height: 42px; }
    .rsvp-overlay .btn-submit { padding: 12px 18px; font-size: 0.85rem; }
}

/* Very small phones */
@media (max-width: 340px) {
    .rsvp-overlay .card { padding: 14px 10px 12px; }
    .rsvp-overlay .choice-btn { padding: 8px 6px; }
    .rsvp-overlay .choice-icon { width: 26px; height: 26px; }
    .rsvp-overlay .card-icon { width: 34px; height: 34px; }
    .rsvp-overlay .card h3 { font-size: 1rem; }
    .rsvp-overlay .summary-row { padding: 8px 6px; }
}

/* Desktop / tablet landscape */
@media (min-width: 768px) {
    .rsvp-overlay .rsvp-wrapper { padding: 30px 20px 60px; }
    .rsvp-overlay .card { padding: 40px 36px 36px; border-radius: 26px; }
    .rsvp-overlay .card h3 { font-size: 1.8rem; }
    .rsvp-overlay .card .desc { font-size: 0.88rem; }
    .rsvp-overlay .choice-btn { padding: 18px 18px; border-radius: 18px; }
    .rsvp-overlay .choice-icon { width: 38px; height: 38px; }
}