/* ======================= */
/* RSVP SECTION */
/* ======================= */
.rsvp-section {
    background: linear-gradient(180deg, var(--cream) 0%, var(--white) 50%, var(--cream) 100%);
    position: relative;
    padding: clamp(30px, 6vh, 80px) clamp(20px, 5vw, 60px);
    /* Use svh (small viewport height) so the section doesn't resize when
       the keyboard opens/closes. svh = viewport with browser chrome visible,
       which matches the state when the keyboard is up. Fallback to vh. */
    height: 100svh;
    min-height: 100vh;
    min-height: 100svh;
    display: flex;
    align-items: center;
    justify-content: center;
    scroll-snap-align: start;
    /* Hide overflow by default to contain the chess pattern background */
    overflow: hidden;
}



.rsvp-deco-corner {
    position: absolute;
    width: clamp(50px, 10vw, 100px);
    height: clamp(50px, 10vw, 100px);
    opacity: 0.2;
    z-index: 1;
}

.rsvp-deco-corner.top-left { top: 20px; left: 20px; }
.rsvp-deco-corner.top-right { top: 20px; right: 20px; transform: scaleX(-1); }
.rsvp-deco-corner.bottom-left { bottom: 20px; left: 20px; transform: scaleY(-1); }
.rsvp-deco-corner.bottom-right { bottom: 20px; right: 20px; transform: scale(-1, -1); }

.rsvp-content {
    max-width: 540px;
    width: 100%;
    text-align: center;
    position: relative;
    z-index: 2;
    padding: 0 clamp(10px, 3vw, 20px);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}


.rsvp-title {
    font-family: 'Italiana', serif;
    font-size: clamp(1.6rem, 5vw, 2.4rem);
    color: var(--gold);
    letter-spacing: clamp(0.12em, 0.15em, 0.18em);
    line-height: 1.1;
    margin-bottom: clamp(8px, 1.8vh, 14px);
    transition: all var(--transition-smooth), opacity 0.4s ease, transform 0.4s ease;
    cursor: default;
    flex-shrink: 0;
}

.rsvp-title:hover {
    color: var(--gold);
    text-shadow: 0 0 20px rgba(201, 169, 98, 0.4),
                 0 0 30px rgba(201, 169, 98, 0.3),
                 0 0 40px rgba(201, 169, 98, 0.2);
}

.rsvp-subtitle {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(1rem, 2.6vw, 1.25rem);
    font-style: italic;
    color: var(--teal);
    line-height: 1.4;
    margin-bottom: clamp(20px, 4vh, 35px);
    transition: opacity 0.4s ease, transform 0.4s ease;
    flex-shrink: 0;
}

/* ======================= */
/* FORM CONTAINER - No border */
/* ======================= */
.rsvp-form {
    background: transparent;
    padding: 0;
    border: none;
    position: relative;
    margin: 0 auto;
    max-width: 380px;
    width: 100%;
    transition: opacity 0.4s ease, transform 0.4s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-sizing: border-box;
}

/* Lookup form */
#lookupForm {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(16px, 3vh, 24px);
    width: 100%;
}

/* RSVP form (with guests) */
#rsvpForm {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    gap: clamp(16px, 3vh, 24px);
}

/* ======================= */
/* FORM INPUTS - Minimal elegant style */
/* ======================= */
.form-group {
    margin-bottom: 0;
    text-align: left;
    width: 100%;
}

.form-group label {
    font-family: 'Cinzel', serif;
    font-size: clamp(0.6rem, 1.5vw, 0.7rem);
    letter-spacing: 0.1em;
    color: var(--teal-dark);
    display: block;
    margin-bottom: clamp(6px, 1vh, 8px);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: clamp(12px, 2vh, 16px) clamp(14px, 2.5vw, 18px);
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(1rem, 2.5vw, 1.15rem);
    border: none;
    background: rgba(255, 255, 255, 0.4);
    background-image: linear-gradient(90deg, transparent, var(--gold), transparent);
    background-repeat: no-repeat;
    background-position: 0 100%;
    background-size: 100% 1.5px;
    color: var(--text-dark);
    transition: all var(--transition-fast);
    border-radius: 0;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    background-color: rgba(255, 255, 255, 0.6);
    background-image: linear-gradient(90deg, transparent, var(--teal), transparent);
    background-repeat: no-repeat;
    background-position: 0 100%;
    background-size: 100% 1.5px;
    box-shadow: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--sage);
    opacity: 0.7;
}

/* Valid state styling */
.form-group input:valid:not(:placeholder-shown),
.form-group textarea:valid:not(:placeholder-shown) {
    background-image: linear-gradient(90deg, transparent, var(--teal), transparent);
    background-repeat: no-repeat;
    background-position: 0 100%;
    background-size: 100% 1.5px;
}

/* Focus visible for keyboard navigation */
.form-group input:focus-visible,
.form-group textarea:focus-visible,
.form-group select:focus-visible {
    outline: none;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(12px, 3vw, 20px);
    width: 100%;
}

/* ======================= */
/* SONG REQUEST - Single line */
/* ======================= */
.form-group textarea {
    min-height: 48px;
    height: 48px;
    resize: none;
    max-height: 48px;
    overflow: hidden;
}

/* ======================= */
/* SUBMIT BUTTON - Rounded, less wide */
/* ======================= */
.submit-btn {
    width: auto;
    min-width: 180px;
    max-width: 280px;
    padding: clamp(14px, 2.5vh, 18px) clamp(32px, 6vw, 48px);
    font-family: 'Cinzel', serif;
    font-size: clamp(0.7rem, 1.6vw, 0.85rem);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    background: var(--teal);
    color: var(--white);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.submit-btn:hover {
    background: var(--teal-dark);
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(26, 95, 90, 0.35);
}

.submit-btn:hover::before {
    left: 100%;
}

.submit-btn:active {
    transform: translateY(0);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.submit-btn:disabled:hover {
    background: var(--teal);
    box-shadow: none;
}

.submit-btn:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 4px;
}

/* ======================= */
/* ERROR MESSAGE */
/* ======================= */
.error-message {
    display: none;
    text-align: center;
    padding: clamp(8px, 1.5vh, 12px) clamp(14px, 2.5vw, 20px);
    margin-top: clamp(8px, 1.5vh, 12px);
    background-color: rgba(200, 80, 80, 0.08);
    border-radius: 8px;
    color: #b84040;
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(0.85rem, 2vw, 0.95rem);
    line-height: 1.4;
    animation: slideIn 0.3s ease-out;
}

.error-message.show {
    display: block;
}

/* ======================= */
/* CARD STACK CONTAINER */
/* ======================= */
.card-stack-container {
    position: relative;
    width: 100%;
    max-width: 340px;
    height: 240px;
    margin: 0 auto;
}

/* ======================= */
/* GUEST CARDS - Stacked style */
/* ======================= */
.guest-card {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.85));
    border: 1.5px solid var(--gold);
    border-radius: 16px;
    padding: clamp(20px, 3vh, 28px) clamp(18px, 3vw, 24px);
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 20px rgba(26, 95, 90, 0.1);
    transform-origin: center center;
    backface-visibility: hidden;
}

/* Cards behind the active one */
.guest-card.behind {
    pointer-events: none;
}

.guest-card.behind-1 {
    transform: scale(0.92) translateY(12px);
    opacity: 0.6;
    filter: brightness(0.95);
    z-index: 2;
}

.guest-card.behind-2 {
    transform: scale(0.84) translateY(24px);
    opacity: 0.35;
    filter: brightness(0.9);
    z-index: 1;
}

.guest-card.behind-3 {
    transform: scale(0.76) translateY(36px);
    opacity: 0.15;
    filter: brightness(0.85);
    z-index: 0;
}

.guest-card.active {
    z-index: 10;
    transform: scale(1) translateY(0);
    opacity: 1;
    filter: none;
    pointer-events: auto;
}

/* Hidden cards (beyond 3rd) */
.guest-card.hidden {
    opacity: 0;
    pointer-events: none;
    transform: scale(0.7) translateY(40px);
}

/* Swipe animation classes */
.guest-card.swiping-left {
    transform: translateX(-120%) rotate(-8deg);
    opacity: 0;
}

.guest-card.swiping-right {
    transform: translateX(120%) rotate(8deg);
    opacity: 0;
}

/* Guest name on card */
.guest-card-name {
    font-family: 'Italiana', serif;
    font-size: clamp(1.3rem, 3.5vw, 1.6rem);
    color: var(--teal-dark);
    text-align: center;
    letter-spacing: 0.08em;
    margin-bottom: clamp(12px, 2vh, 18px);
}

/* Card form fields */
.guest-card-fields {
    display: flex;
    flex-direction: column;
    gap: clamp(12px, 2vh, 16px);
    flex-grow: 1;
}

.card-field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(10px, 2vw, 16px);
}

.card-field {
    text-align: left;
}

.card-field label {
    font-family: 'Cinzel', serif;
    font-size: clamp(0.55rem, 1.3vw, 0.65rem);
    letter-spacing: 0.1em;
    color: var(--teal);
    display: block;
    margin-bottom: clamp(4px, 0.8vh, 6px);
    text-transform: uppercase;
}

.card-field select {
    width: 100%;
    padding: clamp(10px, 1.8vh, 14px) clamp(10px, 2vw, 14px);
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(0.9rem, 2.2vw, 1.05rem);
    border: 1px solid var(--sage-light);
    background: rgba(255, 255, 255, 0.5);
    color: var(--text-dark);
    transition: all var(--transition-fast);
    border-radius: 8px;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 12 12'%3E%3Cpath fill='%231a5f5a' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 30px;
    position: relative;
    z-index: 1;
}

.card-field select:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: none;
}

.card-field select option {
    color: var(--text-dark);
}

/* Dietary field - disabled until accepted */
.card-field.dietary-field {
    opacity: 0.35;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.card-field.dietary-field.enabled {
    opacity: 1;
    pointer-events: auto;
}

.card-field.dietary-field select {
    background-color: rgba(200, 200, 200, 0.2);
}

.card-field.dietary-field.enabled select {
    background-color: rgba(255, 255, 255, 0.5);
}

/* Status indicator on card */
.guest-card-status {
    text-align: center;
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(0.8rem, 1.8vw, 0.9rem);
    font-style: italic;
    color: var(--sage);
    margin-top: auto;
    padding-top: clamp(8px, 1.5vh, 12px);
}

.guest-card-status.accepted {
    color: var(--teal);
}

.guest-card-status.declined {
    color: var(--sage);
}

/* Hidden input for form data */
.guest-card input[type="hidden"] {
    display: none;
}

/* ======================= */
/* CARD NAVIGATION */
/* ======================= */
.card-navigation {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: clamp(16px, 3vw, 24px);
    margin-top: clamp(16px, 3vh, 24px);
    width: 100%;
}

.nav-btn {
    width: 40px;
    height: 40px;
    border: 1.5px solid var(--gold);
    border-radius: 50%;
    background: transparent;
    color: var(--teal);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.nav-btn:hover:not(:disabled) {
    background: var(--gold);
    color: var(--white);
    transform: scale(1.08);
}

.nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.nav-btn svg {
    width: 16px;
    height: 16px;
}

/* Pagination dots */
.card-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.pagination-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: transparent;
    border: 1.5px solid var(--gold);
    opacity: 0.5;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.pagination-dot.active {
    background-color: var(--gold);
    opacity: 1;
    transform: scale(1.15);
}

.pagination-dot.completed {
    background-color: var(--teal);
    border-color: var(--teal);
    opacity: 0.8;
}

.pagination-dot:hover {
    opacity: 0.8;
    transform: scale(1.1);
}

/* Guest counter */
.guest-counter {
    display: block;
    text-align: center;
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(0.85rem, 2vw, 1rem);
    color: var(--teal);
    font-style: italic;
    opacity: 0.8;
    margin-bottom: clamp(8px, 1.5vh, 12px);
}

/* ======================= */
/* SONG REQUEST (outside cards) */
/* ======================= */
.song-request-wrapper {
    width: 100%;
    max-width: 340px;
    margin-top: clamp(12px, 2vh, 18px);
}

.song-request-wrapper .form-group textarea {
    text-align: center;
}

/* ======================= */
/* SUCCESS MESSAGE */
/* ======================= */
.success-message {
    display: none;
    text-align: center;
    padding: clamp(30px, 6vh, 50px) clamp(20px, 4vw, 40px);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.success-message.show {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.success-message h3 {
    font-family: 'Italiana', serif;
    font-size: clamp(1.6rem, 5vw, 2rem);
    color: var(--teal);
    margin-bottom: clamp(15px, 3vh, 20px);
    letter-spacing: 0.08em;
}

.success-message p {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(1.05rem, 2.8vw, 1.25rem);
    color: var(--sage);
    line-height: 1.6;
    font-style: italic;
}

/* ======================= */
/* ANIMATIONS */
/* ======================= */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes cardEnter {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(30px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.guest-card.entering {
    animation: cardEnter 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* ======================= */
/* KEYBOARD OPEN STATE */
/* ======================= */
body.keyboard-open {
    /* Disable scroll-snap so the viewport resize doesn't cause jumps */
    scroll-snap-type: none !important;
    overflow-y: auto !important;
}

body.keyboard-open section,
body.keyboard-open .footer {
    /* Remove per-section snap alignment while keyboard is up */
    scroll-snap-align: none !important;
}

body.keyboard-open .rsvp-section {
    /* Let the RSVP section content overflow naturally when keyboard shrinks viewport */
    overflow-y: visible;
}