/**
 * VIK AUTO TRADING - Header Styles
 *
 * 상단바: SNS 아이콘 (왼쪽) + 언어 드롭다운 (오른쪽)
 * (회사명 제거 - 중앙에 풀네임 배치)
 */

/* ==========================================
   HEADER CONTAINER
========================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    z-index: var(--z-header);
    /* 배경 투명 - 배경 사진 위에 떠있는 느낌 */
    background: transparent;
}

/* ==========================================
   SNS LINKS (Left Side)
========================================== */

.header__sns {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    gap: var(--spacing-sm);
}

.header__sns-link {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--color-gold-main);
    font-size: 15px;
    border-radius: 50%;
    text-decoration: none;
    -webkit-transition: all var(--duration-fast) var(--ease-out);
    -o-transition: all var(--duration-fast) var(--ease-out);
    transition: all var(--duration-fast) var(--ease-out);
}

.header__sns-link:hover {
    color: var(--color-gold-bright);
    background: var(--color-gold-faint);
    -webkit-transform: translateY(-2px);
    -ms-transform: translateY(-2px);
    transform: translateY(-2px);
}

/* ==========================================
   LANGUAGE DROPDOWN (Right Side)
========================================== */

.lang-dropdown {
    position: relative;
}

.lang-dropdown__toggle {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    border: var(--border-gold-subtle);
    border-radius: 6px;
    background: transparent;
    color: var(--color-gold-main);
    font-family: var(--font-display);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--letter-spacing-small);
    cursor: pointer;
    -webkit-transition: all var(--duration-fast) var(--ease-out);
    -o-transition: all var(--duration-fast) var(--ease-out);
    transition: all var(--duration-fast) var(--ease-out);
}

.lang-dropdown__toggle:hover {
    border-color: var(--color-gold-main);
    background: var(--color-gold-faint);
}

.lang-dropdown__current {
    font-weight: var(--font-weight-medium);
}

.lang-dropdown__arrow {
    font-size: 10px;
    -webkit-transition: -webkit-transform var(--duration-fast) var(--ease-out);
    transition: -webkit-transform var(--duration-fast) var(--ease-out);
    -o-transition: transform var(--duration-fast) var(--ease-out);
    transition: transform var(--duration-fast) var(--ease-out);
    transition: transform var(--duration-fast) var(--ease-out), -webkit-transform var(--duration-fast) var(--ease-out);
}

.lang-dropdown.is-open .lang-dropdown__arrow {
    -webkit-transform: rotate(180deg);
    -ms-transform: rotate(180deg);
    transform: rotate(180deg);
}

/* ==========================================
   LANGUAGE MENU
========================================== */

.lang-dropdown__menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    min-width: 160px;
    background: rgba(10, 10, 10, 0.95);
    border: var(--border-gold-subtle);
    border-radius: 8px;
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    -webkit-transform: translateY(-10px);
    -ms-transform: translateY(-10px);
    transform: translateY(-10px);
    -webkit-transition: all var(--duration-fast) var(--ease-out);
    -o-transition: all var(--duration-fast) var(--ease-out);
    transition: all var(--duration-fast) var(--ease-out);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    -webkit-box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    z-index: var(--z-dropdown);
}

.lang-dropdown.is-open .lang-dropdown__menu {
    opacity: 1;
    visibility: visible;
    -webkit-transform: translateY(0);
    -ms-transform: translateY(0);
    transform: translateY(0);
}

.lang-dropdown__option {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: 12px 20px;
    border: none;
    background: transparent;
    color: var(--color-text-gray);
    font-family: var(--font-display);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-normal);
    letter-spacing: var(--letter-spacing-small);
    text-align: left;
    cursor: pointer;
    -webkit-transition: all var(--duration-instant) var(--ease-out);
    -o-transition: all var(--duration-instant) var(--ease-out);
    transition: all var(--duration-instant) var(--ease-out);
}

.lang-dropdown__option:hover {
    background: var(--color-gold-faint);
    color: var(--color-gold-main);
}

.lang-dropdown__option.is-active {
    color: var(--color-gold-main);
}

.lang-dropdown__option-text {
    font-weight: var(--font-weight-medium);
    min-width: 26px;
}

.lang-dropdown__option-name {
    font-family: var(--font-body);
    font-size: 11px;
    opacity: 0.7;
}

.lang-dropdown__option.is-active .lang-dropdown__option-name {
    opacity: 1;
}

/* Checkmark for active language */
.lang-dropdown__option.is-active::after {
    content: '\2713';
    margin-left: auto;
    color: var(--color-gold-bright);
    font-size: 12px;
}

/* ==========================================
   RTL SUPPORT
========================================== */

[dir="rtl"] .header {
    -webkit-box-direction: reverse;
    -ms-flex-direction: row-reverse;
    flex-direction: row-reverse;
}

[dir="rtl"] .lang-dropdown__menu {
    right: auto;
    left: 0;
}

[dir="rtl"] .lang-dropdown__option {
    text-align: right;
    -webkit-box-direction: reverse;
    -ms-flex-direction: row-reverse;
    flex-direction: row-reverse;
}

[dir="rtl"] .lang-dropdown__option.is-active::after {
    margin-left: 0;
    margin-right: auto;
}

/* ==========================================
   MOBILE
========================================== */

@media (max-width: 768px) {
    .header {
        height: var(--header-height-mobile);
        padding: 0 var(--spacing-sm);
    }

    .header__sns {
        display: none;
    }
}

@media (max-width: 480px) {
    .lang-dropdown__toggle {
        padding: 8px 12px;
        gap: 8px;
    }

    .lang-dropdown__option-name {
        display: none;
    }
}