/* ===================================
   modal.css — Модальное окно + уведомление
   Подключается на всех страницах сайта
   =================================== */

/* ───────────────────────────────────
   МОДАЛЬНОЕ ОКНО
─────────────────────────────────── */
.modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    visibility: hidden;
    pointer-events: none;
}

.modal.active {
    visibility: visible;
    pointer-events: auto;
}

/* Полупрозрачный оверлей */
.modal__overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(15, 23, 42, .65);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.modal.active .modal__overlay {
    opacity: 1;
}

/* Окно */
.modal__window {
    position: relative;
    z-index: 1;
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 520px;
    max-height: calc(100vh - var(--space-8));
    overflow-y: auto;
    padding: var(--space-10);
    transform: translateY(30px) scale(0.97);
    opacity: 0;
    transition: all var(--transition-slow);
}

.modal.active .modal__window {
    transform: translateY(0) scale(1);
    opacity: 1;
}

/* Цветная полоска сверху */
.modal__window::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(
            to right,
            var(--color-primary),
            var(--color-accent)
    );
}

/* Кнопка закрытия */
.modal__close {
    position: absolute;
    top: var(--space-5);
    right: var(--space-5);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    background-color: var(--color-bg-light);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

.modal__close:hover {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    transform: rotate(90deg);
}

/* Шапка окна */
.modal__header {
    margin-bottom: var(--space-8);
    padding-right: var(--space-10);
}

.modal__title {
    font-family: var(--font-heading), serif;
    font-size: var(--fz-xl);
    font-weight: var(--fw-black);
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.modal__subtitle {
    font-size: var(--fz-sm);
    color: var(--color-text-secondary);
}

/* ───────────────────────────────────
   ФОРМА ВНУТРИ МОДАЛЬНОГО ОКНА
─────────────────────────────────── */
.modal__form {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-label {
    font-size: var(--fz-sm);
    font-weight: var(--fw-medium);
    color: var(--color-text);
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--fz-base);
    font-family: var(--font-body), sans-serif;
    color: var(--color-text);
    background-color: var(--color-bg);
    transition: all var(--transition-base);
    outline: none;
}

.form-input::placeholder {
    color: var(--color-text-light);
}

.form-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, .15);
}

.form-input:hover:not(:focus) {
    border-color: var(--color-text-secondary);
}

/* Select */
.form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.75rem;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
}

/* Textarea */
.form-textarea {
    resize: vertical;
    min-height: 90px;
}

/* Согласие */
.form-agreement {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4);
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.form-agreement input[type="checkbox"] {
    width: 18px;
    height: 18px;
    min-width: 18px;
    margin-top: 2px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    appearance: none;
    -webkit-appearance: none;
    background-color: var(--color-white);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    outline: 1px solid rgba(100, 116, 139, 0.2);
    outline-offset: -1px;
}

.form-agreement input[type="checkbox"]:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    outline: none;
}

.form-agreement input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
}

.form-agreement label {
    font-size: var(--fz-xs);
    color: var(--color-text-secondary);
    cursor: pointer;
}

.form-agreement label a {
    color: var(--color-primary);
    text-decoration: underline;
    transition: color var(--transition-base);
}

.form-agreement label a:hover {
    color: var(--color-primary-dark);
}

/* ───────────────────────────────────
   ВАЛИДАЦИЯ
─────────────────────────────────── */
.form-input--error {
    border-color: var(--color-error) !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, .12) !important;
    background-color: #fff5f5 !important;
}

.form-error {
    font-size: var(--fz-xs);
    color: var(--color-error);
    display: flex;
    align-items: center;
    gap: var(--space-1);
    margin-top: var(--space-1);
}

/* Зелёная галочка у валидного поля */
.form-input:valid:not(:placeholder-shown):not(.form-input--error) {
    border-color: var(--color-success);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%2310B981' stroke-width='2'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.75rem;
}

/* Убираем зелёную галочку у select и textarea (у них другое поведение) */
.form-select:valid:not(:placeholder-shown),
.form-textarea:valid:not(:placeholder-shown) {
    background-image: none;
    border-color: var(--color-border);
}

.form-select:valid:not(:placeholder-shown) {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
}

.form-textarea:valid:not(:placeholder-shown) {
    border-color: var(--color-success);
    padding-right: 1rem;
}

/* Состояние загрузки кнопки отправки */
.btn--loading {
    pointer-events: none;
    opacity: 0.75;
    position: relative;
    color: transparent !important;
}

.btn--loading::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 20px;
    height: 20px;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid rgba(255, 255, 255, .4);
    border-top-color: var(--color-white);
    border-radius: var(--radius-full);
    animation: spin 0.7s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ───────────────────────────────────
   УВЕДОМЛЕНИЕ ОБ УСПЕХЕ
─────────────────────────────────── */
.success-notification {
    position: fixed;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    z-index: 10000;
    background-color: var(--color-success);
    color: var(--color-white);
    padding: var(--space-4) var(--space-8);
    border-radius: var(--radius-full);
    font-size: var(--fz-sm);
    font-weight: var(--fw-medium);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transition: all var(--transition-base);
    pointer-events: none;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    white-space: nowrap;
}

.success-notification::before {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    min-width: 20px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2.5'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-size: contain;
    flex-shrink: 0;
}

.success-notification--visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ───────────────────────────────────
   АДАПТИВ
─────────────────────────────────── */

/* Планшет */
@media (max-width: 768px) {
    .modal__window {
        padding: var(--space-8) var(--space-6);
        border-radius: var(--radius-lg);
    }

    .modal__title {
        font-size: var(--fz-lg);
    }
}

/* Мобильные — окно снизу (bottom-sheet) */
@media (max-width: 480px) {
    .modal {
        padding: var(--space-2);
        align-items: flex-end;
    }

    .modal__window {
        padding: var(--space-6) var(--space-5) var(--space-8);
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        max-height: 90vh;
    }

    .modal__window::before {
        height: 3px;
    }

    .modal__form {
        gap: var(--space-4);
    }

    .success-notification {
        width: calc(100% - var(--space-8));
        text-align: center;
        justify-content: center;
        bottom: var(--space-4);
        padding: var(--space-4);
        font-size: var(--fz-xs);
    }
}

/* Уведомление об ошибке */
.success-notification--error {
    background: #dc2626;
}