/* Form Validation Styles */

/* Анимации для полей */
.form-field {
    transition: all 0.3s ease;
}

.form-field:focus {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Состояния валидации */
.field-valid {
    border-color: #10b981 !important;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.field-invalid {
    border-color: #ef4444 !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Сообщения валидации */
.validation-error {
    display: flex;
    align-items: center;
    animation: slideDown 0.3s ease-out;
}

.validation-error::before {
    content: "⚠️";
    margin-right: 0.5rem;
}

.validation-success {
    display: flex;
    align-items: center;
    animation: slideDown 0.3s ease-out;
}

.validation-success i {
    margin-right: 0.25rem;
}

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

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.shake {
    animation: shake 0.5s ease-in-out;
}

/* Индикатор загрузки для форм */
.form-loading {
    position: relative;
    pointer-events: none;
}

.form-loading::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.form-loading::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #ef4444;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    z-index: 11;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Улучшенные стили для обязательных полей */
.required-field label::after {
    content: " *";
    color: #ef4444;
    font-weight: bold;
}

/* Подсказки для полей */
.field-hint {
    font-size: 0.875rem;
    color: #6b7280;
    margin-top: 0.25rem;
    display: flex;
    align-items: center;
}

.field-hint i {
    margin-right: 0.25rem;
    color: #9ca3af;
}

/* Прогресс-бар валидации формы */
.form-progress {
    height: 4px;
    background: #e5e7eb;
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.form-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #ef4444, #f97316, #eab308, #22c55e);
    transition: width 0.3s ease;
    border-radius: 2px;
}

/* Стили для групп полей */
.field-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.field-group.has-error {
    animation: shake 0.5s ease-in-out;
}

/* Улучшенные стили для select полей */
select.form-field {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

/* Стили для файловых полей */
.file-input-wrapper {
    position: relative;
    display: inline-block;
    cursor: pointer;
    width: 100%;
}

.file-input-wrapper input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.file-input-display {
    display: flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border: 2px dashed #d1d5db;
    border-radius: 0.5rem;
    background: #f9fafb;
    transition: all 0.3s ease;
}

.file-input-display:hover {
    border-color: #ef4444;
    background: #fef2f2;
}

.file-input-display.has-files {
    border-color: #10b981;
    background: #f0fdf4;
}

/* Responsive стили */
@media (max-width: 768px) {
    .validation-error,
    .validation-success {
        font-size: 0.75rem;
    }
    
    .field-hint {
        font-size: 0.75rem;
    }
}