/* Самовар Фест — лендинг регистрации на мероприятие 8 ноября (Кропоткин) */

:root {
    --sf-blue: #1189bf;
    --sf-blue-dark: #0f407b;
    --sf-blue-darker: #0a2d58;
    --sf-text: #1b2733;
    --sf-placeholder: #8a94a3;
    --sf-border: #cfe3ec;
    --sf-error: #e74c3c;
}

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

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

body.samovar-fest-page {
    font-family: 'Nunito', 'Segoe UI', sans-serif;
    color: var(--sf-text);
    background: #ffffff;
    line-height: 1.5;
}

.sf-main {
    max-width: 560px;
    margin: 0 auto;
}

.sf-hero-image {
    display: block;
    width: 100%;
    height: auto;
}

.sf-form-section {
    padding: 28px 20px 8px;
}

.sf-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.sf-form[hidden] {
    display: none;
}

.sf-field {
    flex: 1;
    min-width: 0;
}

.sf-row {
    display: flex;
    gap: 12px;
}

.sf-input {
    width: 100%;
    padding: 17px 20px;
    border: 2px solid var(--sf-blue);
    border-radius: 16px;
    font-family: inherit;
    font-size: 16px;
    color: var(--sf-text);
    background: #ffffff;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    appearance: none;
}

.sf-row .sf-input {
    padding-left: 10px;
    padding-right: 8px;
    font-size: 14px;
    text-align: center;
}

.sf-input::placeholder {
    color: var(--sf-placeholder);
    text-align: center;
}

.sf-select {
    cursor: pointer;
    text-align-last: center;
    color: var(--sf-text);
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231189bf' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 14px;
    padding-right: 34px;
}

.sf-row .sf-select {
    background-position: right 8px center;
    padding-right: 26px;
}

.sf-select:invalid {
    color: var(--sf-placeholder);
}

.sf-select option {
    color: var(--sf-text);
    text-align: left;
}

.sf-add-child-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    min-height: 52px;
    margin-top: -2px;
    padding: 12px 16px;
    background: #f2f9fc;
    border: 2px dashed var(--sf-blue);
    border-radius: 16px;
    color: var(--sf-blue-dark);
    font-family: inherit;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}

.sf-add-child-btn:hover,
.sf-add-child-btn:active {
    background: #e2f1f8;
    border-color: var(--sf-blue-dark);
}

.sf-add-child-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--sf-blue);
    color: #ffffff;
    font-size: 16px;
    line-height: 1;
    flex-shrink: 0;
}

.sf-add-child-btn[hidden] {
    display: none;
}

.sf-children-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sf-children-list:empty {
    display: none;
}

.sf-child-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sf-child-row .sf-input {
    flex: 1;
    min-width: 0;
    text-align: left;
    text-align-last: left;
}

.sf-child-row .sf-input::placeholder {
    text-align: left;
}

.sf-remove-child-btn {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid var(--sf-border);
    background: #ffffff;
    color: #8a94a3;
    font-size: 17px;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}

.sf-remove-child-btn:hover,
.sf-remove-child-btn:active {
    background: #fdeceb;
    border-color: var(--sf-error);
    color: var(--sf-error);
}

.sf-input:focus {
    outline: none;
    border-color: var(--sf-blue-dark);
    box-shadow: 0 0 0 4px rgba(17, 137, 191, 0.15);
}

.sf-input.error {
    border-color: var(--sf-error);
    box-shadow: 0 0 0 4px rgba(231, 76, 60, 0.12);
}

/* Убираем спиннеры у number-инпутов — чище смотрится рядом с текстовыми */
.sf-input[type="number"]::-webkit-outer-spin-button,
.sf-input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.sf-input[type="number"] {
    -moz-appearance: textfield;
}

.sf-honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    opacity: 0;
}

.sf-consent {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 13px;
    color: #5b6672;
    line-height: 1.45;
    cursor: pointer;
    padding: 2px 4px;
}

.sf-consent input {
    width: 19px;
    height: 19px;
    margin-top: 1px;
    flex-shrink: 0;
    accent-color: var(--sf-blue-dark);
    cursor: pointer;
}

.sf-consent a {
    color: var(--sf-blue);
    text-decoration: underline;
    text-decoration-style: dotted;
    text-underline-offset: 2px;
}

.sf-consent a:hover {
    color: var(--sf-blue-dark);
}

.sf-submit-btn {
    width: 100%;
    padding: 19px;
    margin-top: 4px;
    background: var(--sf-blue);
    color: #ffffff;
    border: none;
    border-radius: 16px;
    font-family: inherit;
    font-size: 19px;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.sf-submit-btn:hover {
    background: var(--sf-blue-dark);
}

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

.sf-submit-btn:disabled {
    background: #9fb8c5;
    cursor: not-allowed;
}

.sf-success {
    text-align: center;
    padding: 36px 16px 16px;
}

.sf-success-icon {
    font-size: 56px;
    margin-bottom: 12px;
}

.sf-success-title {
    color: var(--sf-blue-dark);
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 10px;
}

.sf-success-text {
    color: #45515e;
    font-size: 16px;
    line-height: 1.6;
}

.sf-contact-note {
    text-align: center;
    font-size: 14px;
    color: #6b7684;
    padding: 20px 20px 36px;
}

.sf-contact-note a {
    color: var(--sf-blue-dark);
    font-weight: 700;
    text-decoration: none;
}

.sf-contact-note a:hover {
    text-decoration: underline;
}

/* Чуть просторнее на планшетах/десктопе — форма остаётся по центру,
   не растягиваясь на всю ширину экрана */
@media (min-width: 560px) {
    .sf-main {
        box-shadow: 0 0 60px rgba(15, 64, 123, 0.08);
        min-height: 0;
        margin-top: 24px;
        margin-bottom: 24px;
        border-radius: 24px;
        overflow: hidden;
    }

    .sf-hero-image {
        border-radius: 0;
    }

    .sf-form-section {
        padding: 32px 36px 12px;
    }
}

/* На совсем узких экранах — количество участников и возраст в столбик */
@media (max-width: 340px) {
    .sf-row {
        flex-direction: column;
    }
}