/**
 * @file: tabs-styles.css
 * @description: Дополнительные стили для табов и формы по параметрам
 * @created: 2025-12-10
 */

/* ========== TABS ========== */
.tabs-container {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: var(--tg-theme-bg-color);
    border-bottom: 2px solid var(--tg-theme-secondary-bg-color);
    position: sticky;
    top: 0;
    z-index: 10;
}

.tab-button {
    flex: 1;
    padding: var(--spacing-md);
    border: 2px solid var(--tg-theme-secondary-bg-color);
    border-radius: var(--border-radius);
    background-color: var(--tg-theme-bg-color);
    color: var(--tg-theme-text-color);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tab-button:hover {
    background-color: var(--tg-theme-secondary-bg-color);
}

.tab-button.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.tab-content {
    display: none;
    animation: fadeIn var(--transition-normal);
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ========== CHIP ГРУППА ========== */
.chip-group {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.chip {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid var(--primary-color);
    border-radius: 20px;
    background-color: var(--tg-theme-bg-color);
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.chip:hover {
    background-color: rgba(36, 129, 204, 0.1);
}

.chip.active {
    background-color: var(--primary-color);
    color: white;
}

/* ========== FORM INPUTS ========== */
.form-input {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--tg-theme-secondary-bg-color);
    border-radius: var(--border-radius);
    font-size: 15px;
    font-family: inherit;
    transition: border-color var(--transition-fast);
    background-color: var(--tg-theme-bg-color);
    color: var(--tg-theme-text-color);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(36, 129, 204, 0.1);
}

.form-input::placeholder {
    color: var(--tg-theme-hint-color);
}

.form-input:disabled {
    background-color: var(--tg-theme-secondary-bg-color);
    cursor: not-allowed;
    opacity: 0.6;
}

.form-select {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--tg-theme-secondary-bg-color);
    border-radius: var(--border-radius);
    font-size: 15px;
    font-family: inherit;
    background-color: var(--tg-theme-bg-color);
    color: var(--tg-theme-text-color);
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(36, 129, 204, 0.1);
}

.form-select:disabled {
    background-color: var(--tg-theme-secondary-bg-color);
    cursor: not-allowed;
    opacity: 0.6;
}

/* ========== AUTOCOMPLETE ========== */
.autocomplete-results {
    position: absolute;
    width: calc(100% - 2 * var(--spacing-md));
    max-height: 200px;
    overflow-y: auto;
    background-color: var(--tg-theme-bg-color);
    border: 2px solid var(--primary-color);
    border-top: none;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    box-shadow: var(--shadow-md);
    z-index: 100;
    display: none;
}

.autocomplete-results.active {
    display: block;
}

.autocomplete-item {
    padding: var(--spacing-md);
    cursor: pointer;
    transition: background-color var(--transition-fast);
    border-bottom: 1px solid var(--tg-theme-secondary-bg-color);
}

.autocomplete-item:last-child {
    border-bottom: none;
}

.autocomplete-item:hover {
    background-color: var(--tg-theme-secondary-bg-color);
}

.autocomplete-item.selected {
    background-color: rgba(36, 129, 204, 0.1);
}

.autocomplete-item-title {
    font-weight: 600;
    color: var(--tg-theme-text-color);
}

.autocomplete-item-subtitle {
    font-size: 12px;
    color: var(--tg-theme-hint-color);
    margin-top: 2px;
}

/* ========== SECTION HEADERS ========== */
.section-header {
    display: flex;
    align-items: center;
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
    margin: var(--spacing-lg) 0 var(--spacing-md) 0;
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--tg-theme-secondary-bg-color);
}

.section-icon {
    margin-right: var(--spacing-sm);
    font-size: 20px;
}

/* ========== REQUIRED FIELD INDICATOR ========== */
.form-label.required::after {
    content: " *";
    color: var(--danger-color);
    font-weight: bold;
}

/* ========== LOADING STATE ========== */
.form-input.loading,
.form-select.loading {
    background-image: linear-gradient(
        90deg,
        var(--tg-theme-secondary-bg-color) 0%,
        var(--tg-theme-bg-color) 50%,
        var(--tg-theme-secondary-bg-color) 100%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ========== HELPER TEXT ========== */
.helper-text {
    font-size: 12px;
    color: var(--tg-theme-hint-color);
    margin-top: var(--spacing-xs);
    display: flex;
    align-items: center;
}

.helper-text-icon {
    margin-right: 4px;
}

.helper-text.info {
    color: var(--info-color);
}

.helper-text.success {
    color: var(--success-color);
}

.helper-text.warning {
    color: var(--warning-color);
}

.helper-text.error {
    color: var(--danger-color);
}

/* ========== FORM GROUP SPACING ========== */
.form-group {
    position: relative;
}

.form-group + .form-group {
    margin-top: var(--spacing-lg);
}

/* ========== RESPONSIVE AUTOCOMPLETE ========== */
@media (max-width: 480px) {
    .autocomplete-results {
        max-height: 150px;
    }
    
    .autocomplete-item {
        padding: var(--spacing-sm);
    }
}

/* ========== DARK MODE ADJUSTMENTS ========== */
@media (prefers-color-scheme: dark) {
    .form-input,
    .form-select,
    .form-textarea {
        border-color: #3a3a3a;
    }
    
    .form-input:focus,
    .form-select:focus,
    .form-textarea:focus {
        border-color: var(--primary-color);
    }
    
    .autocomplete-results {
        border-color: var(--primary-color);
        background-color: #1a1a1a;
    }
    
    .autocomplete-item {
        border-bottom-color: #3a3a3a;
    }
    
    .autocomplete-item:hover {
        background-color: #2b2b2b;
    }
}

/* ========== DISABLED STATE ========== */
.form-input[disabled] + .helper-text,
.form-select[disabled] + .helper-text {
    opacity: 0.6;
}

/* ========== AUTO-FILLED INDICATOR ========== */
.form-input.auto-filled {
    background-color: rgba(76, 175, 80, 0.1);
    border-color: var(--success-color);
}

.form-select.auto-filled {
    background-color: rgba(76, 175, 80, 0.1);
    border-color: var(--success-color);
}

/* ========== VALIDATION STATES ========== */
.form-input.valid {
    border-color: var(--success-color);
}

.form-input.invalid {
    border-color: var(--danger-color);
}

.form-select.valid {
    border-color: var(--success-color);
}

.form-select.invalid {
    border-color: var(--danger-color);
}

/* ========== SMOOTH TRANSITIONS ========== */
* {
    transition-property: background-color, border-color, color, opacity;
    transition-duration: var(--transition-fast);
    transition-timing-function: ease;
}

button,
input,
select,
textarea {
    transition-property: all;
}