:root {
    --bg-page: #f8fafc;
    --bg-surface: #ffffff;
    --text-main: #0f172a;
    --text-muted: #475569;
    --line: #e2e8f0;
    --primary: #0284c7;
    --primary-hover: #0369a1;
    --danger: #dc2626;
    --danger-bg: #fef2f2;
    --danger-line: #fecaca;
}

body {
    margin: 0;
    background: var(--bg-page);
    color: var(--text-main);
}

.booking-page {
    min-height: 100vh;
    padding: 0;
    background: var(--bg-page);
}

.booking-page__container {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0;
}

.booking-page__surface {
    background: var(--bg-surface);
}

.booking-page__layout {
    display: grid;
    gap: 1.5rem;
}

.booking-page__main {
    padding: 1.25rem 1rem 1.5rem;
}

.booking-hero {
    margin-bottom: 1.5rem;
    padding: 1.25rem;
    border-radius: 1rem;
    color: #fff;
    background: linear-gradient(90deg, #0284c7 0%, #7c3aed 100%);
}

.booking-hero__title {
    margin: 0.75rem 0 0;
    font-size: 1.5rem;
    line-height: 1.2;
    font-weight: 700;
}

.booking-hero__text {
    margin: 0.75rem 0 0;
    font-size: 0.95rem;
    line-height: 1.55;
}

.booking-tips {
    display: grid;
    gap: 1rem;
}

.booking-tips__card {
    border: 1px solid var(--line);
    background: #f8fafc;
    border-radius: 1rem;
    padding: 1rem;
}

.booking-form-shell {
    margin-top: 1.5rem;
    padding: 0;
    background: transparent;
}

.booking-form {
    display: grid;
    gap: 1rem;
}

.booking-form__heading {
    margin: 0.5rem 0 0;
    font-size: 1.25rem;
    line-height: 1.3;
    font-weight: 700;
}

.booking-form__intro {
    margin: 0.5rem 0 0;
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.55;
}

.booking-form__row {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1fr;
}

.booking-form__label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
}

.booking-form__input {
    width: 100%;
    min-height: 44px;
    border: 1px solid var(--line);
    border-radius: 1rem;
    background: #f8fafc;
    color: var(--text-main);
    font-size: 1rem;
    padding: 0.75rem 1rem;
    box-sizing: border-box;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.booking-form__input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.booking-form__input--invalid {
    border-color: #f87171;
}

.booking-form__input--invalid:focus {
    border-color: var(--danger);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12);
}

.booking-form__submit {
    width: 100%;
    min-height: 44px;
    margin-top: 0.75rem;
    border: 0;
    border-radius: 9999px;
    background: var(--primary);
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.booking-form__submit:hover {
    background: var(--primary-hover);
}

.booking-page a,
.booking-page button {
    min-height: 44px;
}

.booking-page__aside {
    display: none;
}

@media (min-width: 768px) {
    .booking-page {
        padding: 2.5rem 0;
    }

    .booking-page__container {
        max-width: 80rem;
        margin: 0 auto;
        padding: 0 1.5rem;
    }

    .booking-page__surface {
        border: 1px solid var(--line);
        border-radius: 2rem;
        box-shadow: 0 20px 45px rgba(15, 23, 42, 0.08);
        overflow: hidden;
    }

    .booking-page__main {
        padding: 2.25rem 2rem;
    }

    .booking-hero {
        border-radius: 1.75rem;
        padding: 2rem;
        margin-bottom: 2rem;
    }

    .booking-hero__title {
        font-size: 2rem;
    }

    .booking-hero__text {
        font-size: 1rem;
    }

    .booking-tips {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 1.5rem;
    }

    .booking-form-shell {
        margin-top: 2rem;
        border: 1px solid var(--line);
        border-radius: 1.75rem;
        background: #fff;
        box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
        padding: 2rem;
    }

    .booking-form {
        gap: 1.5rem;
    }

    .booking-form__row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 1.5rem;
    }

    .booking-form__input,
    .booking-form__submit {
        font-size: 0.95rem;
    }
}

@media (min-width: 1024px) {
    .booking-page__layout {
        grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.95fr);
        gap: 2rem;
    }

    .booking-page__main {
        padding: 2.5rem;
    }

    .booking-page__aside {
        display: block;
        background: #020617;
        color: #e2e8f0;
        padding: 2rem;
    }
}