:root {
    --pink: #ff6fb5;
    --pink-dark: #e8479a;
    --purple: #8a3ffc;
    --purple-dark: #5e1fb0;
    --bg-gradient: linear-gradient(160deg, #1a0f28 0%, #221230 45%, #2a1640 100%);
    --card-bg: #2d1a42;
    --surface: #34204c;
    --border: #4a3066;
    --text: #f3eaff;
    --text-soft: #b3a0cf;
    --radius: 18px;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg-gradient);
    color: var(--text);
    min-height: 100vh;
    -webkit-text-size-adjust: 100%;
}

.page {
    max-width: 480px;
    margin: 0 auto;
    padding: 28px 18px 60px;
    min-height: 100vh;
}

.brand-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    width: 320px;
    margin: 0 auto 8px;
}

.brand-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    color: var(--pink-dark);
    filter: drop-shadow(0 2px 4px rgba(138, 63, 252, 0.35));
}

.brand-wordmark {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.brand-line1 {
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-soft);
}

.brand-line2 {
    font-size: 2.3rem;
    font-weight: 800;
    font-family: Georgia, 'Times New Roman', serif;
    font-style: italic;
    background: linear-gradient(90deg, var(--pink-dark), var(--purple));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: var(--purple);
}

.brand-sub {
    display: block;
    width: fit-content;
    margin: 0 auto 18px;
    text-align: center;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--purple);
    background: var(--surface);
    padding: 3px 14px;
    border-radius: 999px;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}

h1 {
    font-size: 1.6rem;
    line-height: 1.25;
    margin: 0 0 12px;
    background: linear-gradient(90deg, var(--pink-dark), var(--purple));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: var(--purple);
}

h2 {
    font-size: 1.25rem;
    margin: 0 0 8px;
    color: var(--purple);
}

p {
    color: var(--text-soft);
    line-height: 1.5;
}

.intro-text {
    text-align: center;
    margin-bottom: 24px;
}

.field {
    margin-bottom: 20px;
}

label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text);
}

.question-block > label {
    font-size: 1.25rem;
    line-height: 1.35;
    margin-bottom: 25px;
}

.question-block > label:has(+ .note) {
    margin-bottom: 4px;
}

.question-block > label + .note {
    margin-top: 0;
    margin-bottom: 25px;
}

.note {
    font-size: 0.82rem;
    color: var(--text-soft);
    margin: 4px 0 0;
}

input[type="text"],
input[type="email"],
input[type="number"],
input[type="tel"],
select {
    width: 100%;
    padding: 13px 14px;
    font-size: 1rem;
    border: 2px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    color: var(--text);
    appearance: none;
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--purple);
}

.radio-group,
.checkbox-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.radio-option,
.checkbox-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border: 2px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
}

.radio-option:has(input:checked),
.checkbox-option:has(input:checked) {
    border-color: var(--purple);
    background: rgba(138, 63, 252, 0.22);
}

.radio-option input,
.checkbox-option input {
    width: 20px;
    height: 20px;
    accent-color: var(--purple);
    flex-shrink: 0;
}

.radio-group.emoji-choice {
    flex-direction: row;
    gap: 12px;
}

.radio-group.emoji-choice .radio-option {
    width: calc(50% - 6px);
    aspect-ratio: 1 / 1;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    border-radius: 16px;
    gap: 8px;
}

.radio-group.emoji-choice .radio-option input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.radio-group.emoji-choice .radio-option .turn-emoji {
    display: block;
    font-size: 3rem;
    line-height: 1;
}

.radio-group.emoji-choice .radio-option .turn-text {
    display: block;
    font-size: 1.15rem;
    font-weight: 700;
}

.radio-option span,
.checkbox-option span {
    font-size: 0.98rem;
}

.mode-choice .mode-option {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 16px;
}

.mode-choice .mode-emoji {
    font-size: 1.8rem;
    line-height: 1;
}

.mode-choice .mode-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--purple);
}

.mode-choice .mode-desc {
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--text-soft);
}

.video-frame {
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: var(--radius);
    overflow: hidden;
    background: #000;
    margin-bottom: 20px;
}

.video-frame video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    pointer-events: none;
}

.list-item {
    padding: 12px 14px;
    border: 2px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    font-size: 0.98rem;
}

.step-progress {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-soft);
    margin-bottom: 14px;
    letter-spacing: 0.5px;
}

.btn {
    display: block;
    width: 100%;
    padding: 15px 18px;
    font-size: 1.05rem;
    font-weight: 700;
    border: none;
    border-radius: 14px;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    color: #fff;
    background: linear-gradient(90deg, var(--pink), var(--purple));
    box-shadow: 0 8px 20px rgba(138, 63, 252, 0.35);
    transition: transform 0.1s, box-shadow 0.1s;
}

.btn:active {
    transform: translateY(1px);
    box-shadow: 0 4px 12px rgba(138, 63, 252, 0.3);
}

.btn-secondary {
    background: var(--surface);
    color: var(--purple);
    box-shadow: none;
}

.save-status {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-soft);
    min-height: 1.2em;
    margin-top: 10px;
}

/* Modal popup */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 5, 18, 0.75);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 100;
}

.modal-overlay.is-open {
    display: flex;
}

.modal-box {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 26px 22px;
    max-width: 380px;
    width: 100%;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.55);
    text-align: center;
}

.modal-box h3 {
    margin: 0 0 10px;
    color: var(--purple);
    font-size: 1.2rem;
}

.modal-box p {
    margin-bottom: 18px;
}

.error-text {
    color: #ff5c80;
    font-size: 0.85rem;
    margin-top: 4px;
}

.footer-link {
    text-align: center;
    margin-top: 16px;
}

.footer-link a {
    color: var(--purple);
    font-size: 0.85rem;
    text-decoration: underline;
}

.confetti-container {
    position: fixed;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 200;
}

.confetti-piece {
    position: absolute;
    top: -12px;
    border-radius: 2px;
    opacity: 0.9;
    animation-name: confetti-fall;
    animation-timing-function: linear;
    animation-fill-mode: forwards;
}

@keyframes confetti-fall {
    to {
        transform: translateY(110vh) rotate(720deg);
        opacity: 0.85;
    }
}

.share-section {
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.invite-rows {
    margin-bottom: 12px;
}

.invite-row {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-bottom: 10px;
}

.invite-row input[type="text"],
.invite-row input[type="tel"] {
    flex: 1;
    min-width: 0;
    padding: 10px 12px;
}

.invite-icon-btn {
    flex-shrink: 0;
    width: 38px;
    height: 38px;
    border: 2px solid var(--border);
    border-radius: 10px;
    background: var(--surface);
    color: var(--text);
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.invite-icon-btn.invite-add {
    border-color: var(--purple);
    color: var(--purple);
}