/**
 * Atlanta Style Filters CSS
 * Стилі для фільтра у стилі atlanta.ua
 * 
 * @package MirKvartir
 * @since 2.0.0
 */

/* ============================================================
   ЗМІННІ
   ============================================================ */
:root {
    --atlanta-primary: #0066FF;
    --atlanta-primary-hover: #0052CC;
    --atlanta-text: #1A1A1A;
    --atlanta-text-secondary: #666666;
    --atlanta-border: #E5E5E5;
    --atlanta-border-focus: #0066FF;
    --atlanta-bg: #FFFFFF;
    --atlanta-bg-hover: #F5F5F5;
    --atlanta-chip-bg: #F0F0F0;
    --atlanta-chip-active: #0066FF;
    --atlanta-chip-active-text: #FFFFFF;
    --atlanta-radius: 12px;
    --atlanta-radius-sm: 8px;
    --atlanta-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --atlanta-shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
    --atlanta-transition: all 0.2s ease;
}

/* ============================================================
   ГОЛОВНИЙ КОНТЕЙНЕР
   ============================================================ */
.mir-atlanta-filter {
    background: var(--atlanta-bg);
    border-radius: var(--atlanta-radius);
    box-shadow: var(--atlanta-shadow);
    padding: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.mir-atlanta-filter--compact {
    padding: 16px;
}

/* ============================================================
   TABS (Toggle Buttons)
   ============================================================ */
.mir-atlanta-filter__tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.mir-atlanta-filter__tab {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--atlanta-text-secondary);
    background: transparent;
    border: 1px solid var(--atlanta-border);
    border-radius: 100px;
    cursor: pointer;
    transition: var(--atlanta-transition);
    white-space: nowrap;
}

.mir-atlanta-filter__tab:hover {
    background: var(--atlanta-bg-hover);
    color: var(--atlanta-text);
}

.mir-atlanta-filter__tab.active {
    background: var(--atlanta-primary);
    border-color: var(--atlanta-primary);
    color: #FFFFFF;
}

.mir-atlanta-filter__tab-text {
    pointer-events: none;
}

/* ============================================================
   ОСНОВНИЙ БЛОК ПОШУКУ
   ============================================================ */
.mir-atlanta-filter__main {
    margin-bottom: 16px;
}

.mir-atlanta-filter__row {
    display: grid;
    grid-template-columns: 1.2fr 1.2fr 1fr 1fr auto;
    gap: 12px;
    align-items: stretch;
}

@media (max-width: 1024px) {
    .mir-atlanta-filter__row {
        grid-template-columns: 1fr 1fr;
    }
    
    .mir-atlanta-filter__field--submit {
        grid-column: 1 / -1;
    }
}

@media (max-width: 600px) {
    .mir-atlanta-filter__row {
        grid-template-columns: 1fr;
    }
}

/* ============================================================
   ПОЛЯ ВВОДУ
   ============================================================ */
.mir-atlanta-filter__field {
    position: relative;
}

.mir-atlanta-filter__autocomplete {
    position: relative;
    width: 100%;
    height: 100%;
}

.mir-atlanta-filter__input {
    width: 100%;
    height: 52px;
    padding: 12px 16px 12px 44px;
    font-size: 15px;
    color: var(--atlanta-text);
    background: var(--atlanta-bg);
    border: 1px solid var(--atlanta-border);
    border-radius: var(--atlanta-radius-sm);
    transition: var(--atlanta-transition);
    outline: none;
}

.mir-atlanta-filter__input::placeholder {
    color: #999999;
}

.mir-atlanta-filter__input:hover {
    border-color: #CCCCCC;
}

.mir-atlanta-filter__input:focus {
    border-color: var(--atlanta-border-focus);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.mir-atlanta-filter__icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--atlanta-text-secondary);
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mir-atlanta-filter__icon svg {
    width: 18px;
    height: 18px;
}

/* ============================================================
   DROPDOWN АВТОКОМПЛІТУ
   ============================================================ */
.mir-atlanta-filter__dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: var(--atlanta-bg);
    border: 1px solid var(--atlanta-border);
    border-radius: var(--atlanta-radius-sm);
    box-shadow: var(--atlanta-shadow-lg);
    max-height: 280px;
    overflow-y: auto;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: var(--atlanta-transition);
}

.mir-atlanta-filter__dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mir-atlanta-filter__dropdown-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    cursor: pointer;
    transition: var(--atlanta-transition);
    border-bottom: 1px solid #F5F5F5;
}

.mir-atlanta-filter__dropdown-item:last-child {
    border-bottom: none;
}

.mir-atlanta-filter__dropdown-item:hover,
.mir-atlanta-filter__dropdown-item.highlighted {
    background: #F8F9FF;
}

.mir-atlanta-filter__dropdown-item.selected {
    background: var(--atlanta-primary);
    color: #FFFFFF;
}

.mir-atlanta-filter__dropdown-name {
    font-size: 14px;
    font-weight: 500;
}

.mir-atlanta-filter__dropdown-count {
    font-size: 12px;
    color: var(--atlanta-text-secondary);
}

.mir-atlanta-filter__dropdown-item.selected .mir-atlanta-filter__dropdown-count {
    color: rgba(255, 255, 255, 0.8);
}

.mir-atlanta-filter__dropdown-empty {
    padding: 20px;
    text-align: center;
    color: var(--atlanta-text-secondary);
    font-size: 14px;
}

/* ============================================================
   КНОПКА ПОШУКУ
   ============================================================ */
.mir-atlanta-filter__submit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    height: 52px;
    padding: 0 24px;
    font-size: 15px;
    font-weight: 600;
    color: #FFFFFF;
    background: var(--atlanta-primary);
    border: none;
    border-radius: var(--atlanta-radius-sm);
    cursor: pointer;
    transition: var(--atlanta-transition);
    white-space: nowrap;
}

.mir-atlanta-filter__submit:hover {
    background: var(--atlanta-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

.mir-atlanta-filter__submit:active {
    transform: translateY(0);
}

.mir-atlanta-filter__submit-count {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    font-size: 12px;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 100px;
}

.mir-atlanta-filter__submit-count:empty {
    display: none;
}

/* ============================================================
   ДОДАТКОВІ ФІЛЬТРИ
   ============================================================ */
.mir-atlanta-filter__advanced {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.3s ease;
    opacity: 0;
}

.mir-atlanta-filter__advanced.active {
    max-height: 500px;
    opacity: 1;
}

.mir-atlanta-filter__advanced-inner {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    padding-top: 20px;
    margin-top: 16px;
    border-top: 1px solid var(--atlanta-border);
}

/* ============================================================
   СЕКЦІЇ ФІЛЬТРІВ
   ============================================================ */
.mir-atlanta-filter__section {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.mir-atlanta-filter__label {
    font-size: 13px;
    font-weight: 500;
    color: var(--atlanta-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* ============================================================
   ЧИПИ (CHIPS)
   ============================================================ */
.mir-atlanta-filter__chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.mir-atlanta-filter__chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--atlanta-text);
    background: var(--atlanta-chip-bg);
    border: 1px solid transparent;
    border-radius: 100px;
    cursor: pointer;
    transition: var(--atlanta-transition);
}

.mir-atlanta-filter__chip:hover {
    background: #E5E5E5;
}

.mir-atlanta-filter__chip.active {
    background: var(--atlanta-chip-active);
    border-color: var(--atlanta-chip-active);
    color: var(--atlanta-chip-active-text);
}

/* Чипи цін */
.mir-atlanta-filter__price-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

/* ============================================================
   ПОЛЯ ЦІНИ ТА ПЛОЩІ
   ============================================================ */
.mir-atlanta-filter__price-inputs,
.mir-atlanta-filter__area-inputs {
    display: flex;
    align-items: center;
    gap: 8px;
}

.mir-atlanta-filter__price-field,
.mir-atlanta-filter__area-field {
    flex: 1;
}

.mir-atlanta-filter__input--price,
.mir-atlanta-filter__input--area {
    height: 44px;
    padding-left: 16px;
    text-align: center;
}

.mir-atlanta-filter__price-separator,
.mir-atlanta-filter__area-separator {
    color: var(--atlanta-text-secondary);
    font-size: 14px;
}

/* ============================================================
   КНОПКА РОЗГОРТАННЯ ДОДАТКОВИХ ФІЛЬТРІВ
   ============================================================ */
.mir-atlanta-filter__toggle-advanced {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 16px;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--atlanta-primary);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: var(--atlanta-transition);
}

.mir-atlanta-filter__toggle-advanced:hover {
    color: var(--atlanta-primary-hover);
}

.mir-atlanta-filter__toggle-icon {
    display: flex;
    align-items: center;
    transition: transform 0.3s ease;
}

.mir-atlanta-filter__toggle-advanced.active .mir-atlanta-filter__toggle-icon {
    transform: rotate(180deg);
}

/* ============================================================
   НАВІГАЦІЯ ПО РАЙОНАХ
   ============================================================ */
.mir-atlanta-filter__districts-nav {
    margin-top: 32px;
}

.mir-districts-nav {
    background: var(--atlanta-bg);
    border-radius: var(--atlanta-radius);
    padding: 24px;
}

.mir-districts-nav__title {
    font-size: 20px;
    font-weight: 600;
    color: var(--atlanta-text);
    margin: 0 0 20px 0;
}

.mir-districts-nav__cities {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.mir-districts-nav__city-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--atlanta-text);
    margin: 0 0 12px 0;
}

.mir-districts-nav__districts {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mir-districts-nav__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0;
    font-size: 14px;
    color: var(--atlanta-text);
    text-decoration: none;
    transition: var(--atlanta-transition);
    border-bottom: 1px solid transparent;
}

.mir-districts-nav__link:hover {
    color: var(--atlanta-primary);
}

.mir-districts-nav__count {
    font-size: 12px;
    color: var(--atlanta-text-secondary);
    background: var(--atlanta-chip-bg);
    padding: 2px 8px;
    border-radius: 100px;
}

.mir-districts-nav__more {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.mir-districts-nav__more.active {
    max-height: 500px;
}

.mir-districts-nav__toggle-more {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 8px;
    padding: 0;
    font-size: 13px;
    font-weight: 500;
    color: var(--atlanta-primary);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: var(--atlanta-transition);
}

.mir-districts-nav__toggle-more:hover {
    color: var(--atlanta-primary-hover);
}

.mir-districts-nav__toggle-more svg {
    transition: transform 0.3s ease;
}

.mir-districts-nav__toggle-more.active svg {
    transform: rotate(180deg);
}

/* ============================================================
   ВИБРАНІ ФІЛЬТРИ (TAGS)
   ============================================================ */
.mir-atlanta-filter__selected {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--atlanta-border);
}

.mir-atlanta-filter__selected:empty {
    display: none;
}

.mir-atlanta-filter__tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    font-size: 13px;
    color: var(--atlanta-text);
    background: #E8F0FE;
    border-radius: 100px;
}

.mir-atlanta-filter__tag-remove {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--atlanta-text-secondary);
    transition: var(--atlanta-transition);
}

.mir-atlanta-filter__tag-remove:hover {
    color: #FF4444;
}

.mir-atlanta-filter__clear-all {
    font-size: 13px;
    color: var(--atlanta-primary);
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px 12px;
    transition: var(--atlanta-transition);
}

.mir-atlanta-filter__clear-all:hover {
    color: var(--atlanta-primary-hover);
    text-decoration: underline;
}

/* ============================================================
   LOADING STATE
   ============================================================ */
.mir-atlanta-filter__submit.loading {
    pointer-events: none;
    opacity: 0.8;
}

.mir-atlanta-filter__submit.loading::after {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #FFFFFF;
    border-radius: 50%;
    animation: mir-atlanta-spin 0.8s linear infinite;
}

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

/* ============================================================
   DARK MODE ПІДТРИМКА
   ============================================================ */
@media (prefers-color-scheme: dark) {
    :root {
        --atlanta-text: #FFFFFF;
        --atlanta-text-secondary: #A0A0A0;
        --atlanta-border: #333333;
        --atlanta-bg: #1A1A1A;
        --atlanta-bg-hover: #2A2A2A;
        --atlanta-chip-bg: #2A2A2A;
    }
}

/* ============================================================
   АДАПТИВНІСТЬ
   ============================================================ */
@media (max-width: 768px) {
    .mir-atlanta-filter {
        padding: 16px;
    }
    
    .mir-atlanta-filter__tabs {
        gap: 6px;
    }
    
    .mir-atlanta-filter__tab {
        padding: 8px 14px;
        font-size: 13px;
    }
    
    .mir-atlanta-filter__input {
        height: 48px;
        font-size: 14px;
    }
    
    .mir-atlanta-filter__submit {
        height: 48px;
    }
    
    .mir-atlanta-filter__advanced-inner {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .mir-districts-nav {
        padding: 16px;
    }
    
    .mir-districts-nav__title {
        font-size: 18px;
    }
    
    .mir-districts-nav__cities {
        grid-template-columns: 1fr;
    }
}

/* ============================================================
   АНІМАЦІЇ
   ============================================================ */
@keyframes mir-atlanta-fade-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mir-atlanta-filter__dropdown-item {
    animation: mir-atlanta-fade-in 0.15s ease forwards;
}

.mir-atlanta-filter__dropdown-item:nth-child(1) { animation-delay: 0ms; }
.mir-atlanta-filter__dropdown-item:nth-child(2) { animation-delay: 20ms; }
.mir-atlanta-filter__dropdown-item:nth-child(3) { animation-delay: 40ms; }
.mir-atlanta-filter__dropdown-item:nth-child(4) { animation-delay: 60ms; }
.mir-atlanta-filter__dropdown-item:nth-child(5) { animation-delay: 80ms; }

/* ============================================================
   FOCUS STYLES ДЛЯ ДОСТУПНОСТІ
   ============================================================ */
.mir-atlanta-filter__tab:focus-visible,
.mir-atlanta-filter__chip:focus-visible,
.mir-atlanta-filter__submit:focus-visible,
.mir-atlanta-filter__toggle-advanced:focus-visible,
.mir-atlanta-filter__dropdown-item:focus-visible {
    outline: 2px solid var(--atlanta-primary);
    outline-offset: 2px;
}

.mir-atlanta-filter__input:focus-visible {
    outline: none;
}