/* ============================================
   ENHANCED HEADER & NAVIGATION
   Modern, clean design matching homepage style
   ============================================ */

/* Enhanced Site Header */
.site-header {
    background: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(20px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(20px) saturate(180%) !important;
    border-bottom: 1px solid rgba(15, 118, 110, 0.06) !important;
    box-shadow: 0 1px 12px rgba(0, 0, 0, 0.03) !important;
    transition: all 0.3s ease !important;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.site-header.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06) !important;
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 32px;
}

/* Enhanced Brand Logo */
.site-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.site-brand svg {
    width: 32px;
    height: 32px;
    color: var(--color-primary, #0f766e) !important;
    filter: drop-shadow(0 2px 4px rgba(15, 118, 110, 0.15));
    transition: all 0.3s ease;
}

.site-brand span {
    font-family: var(--font-display, 'Be Vietnam Pro'), sans-serif !important;
    font-weight: 800 !important;
    font-size: 1.375rem !important;
    background: linear-gradient(135deg, var(--color-primary, #0f766e) 0%, var(--color-primary-light, #14b8a6) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.site-brand:hover svg {
    filter: drop-shadow(0 4px 8px rgba(15, 118, 110, 0.25));
    transform: scale(1.08) rotate(8deg);
}

.site-brand:hover span {
    background: linear-gradient(135deg, var(--color-primary-light, #14b8a6) 0%, var(--color-primary, #0f766e) 100%);
    -webkit-background-clip: text;
    background-clip: text;
}

/* ============================================
   MODERN NAVIGATION MENU
   Pill-style with smooth animations
   ============================================ */

.site-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.site-nav .ant-menu {
    background: transparent !important;
    border: none !important;
    display: flex;
    align-items: center;
    gap: 4px;
}

.site-nav .ant-menu-item {
    font-family: var(--font-body, 'Manrope'), sans-serif !important;
    font-weight: 500 !important;
    font-size: 0.9375rem !important;
    color: rgba(0, 0, 0, 0.65) !important;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1) !important;
    margin: 0 !important;
    padding: 0 !important;
    height: auto !important;
    line-height: 1 !important;
    border: none !important;
    position: relative;
}

.site-nav .ant-menu-item::after {
    display: none !important;
}

.site-nav .ant-menu-item a {
    display: flex;
    align-items: center;
    padding: 10px 18px;
    border-radius: 50px;
    color: inherit;
    text-decoration: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

/* Hover State */
.site-nav .ant-menu-item:hover {
    color: var(--color-primary, #0f766e) !important;
}

.site-nav .ant-menu-item:hover a {
    background: rgba(15, 118, 110, 0.06);
}

/* Active/Selected State - Pill Style */
.site-nav .ant-menu-item-selected {
    color: white !important;
}

.site-nav .ant-menu-item-selected a {
    background: linear-gradient(135deg, var(--color-primary, #0f766e) 0%, var(--color-primary-light, #14b8a6) 100%);
    color: white !important;
    font-weight: 600 !important;
    box-shadow: 0 4px 12px rgba(15, 118, 110, 0.25);
}

.site-nav .ant-menu-item-selected:hover a {
    background: linear-gradient(135deg, var(--color-primary-dark, #0d5b54) 0%, var(--color-primary, #0f766e) 100%);
    box-shadow: 0 6px 16px rgba(15, 118, 110, 0.3);
    transform: translateY(-1px);
}

/* ============================================
   USER DROPDOWN
   ============================================ */

.user-dropdown {
    position: relative;
    display: inline-block;
}

.user-dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 6px 14px 6px 6px;
    border-radius: 50px;
    transition: all 0.3s ease;
    color: var(--text-color);
    border: 1.5px solid rgba(15, 118, 110, 0.1) !important;
    background: white !important;
    height: 44px;
    font-family: var(--font-body, 'Manrope'), sans-serif;
}

.user-dropdown-trigger:hover,
.user-dropdown.active .user-dropdown-trigger {
    border-color: var(--color-primary, #0f766e) !important;
    background: rgba(15, 118, 110, 0.02) !important;
    box-shadow: 0 4px 16px rgba(15, 118, 110, 0.12);
}

.user-dropdown-trigger span {
    font-weight: 600;
    font-size: 0.9375rem;
    color: rgba(0, 0, 0, 0.85);
}

/* Enhanced Profile Avatar */
.profile-avatar {
    width: 32px !important;
    height: 32px !important;
    border-radius: 50%;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-primary, #0f766e) 0%, var(--color-primary-light, #14b8a6) 100%);
    color: white !important;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.user-dropdown-trigger:hover .profile-avatar {
    transform: scale(1.05);
}

.profile-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Enhanced Dropdown Arrow Icon */
.user-dropdown-trigger svg {
    transition: all 0.3s ease;
    color: rgba(0, 0, 0, 0.4);
    width: 16px;
    height: 16px;
}

.user-dropdown.active .user-dropdown-trigger svg {
    transform: rotate(180deg);
    color: var(--color-primary, #0f766e);
}

/* Enhanced Dropdown Menu */
.user-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: white;
    border-radius: 16px !important;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12), 0 0 1px rgba(0, 0, 0, 0.1) !important;
    min-width: 260px;
    padding: 8px !important;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transform-origin: top right;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 0, 0, 0.06) !important;
}

.user-dropdown.active .user-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Enhanced User Info Section */
.user-info-mini {
    padding: 16px !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06) !important;
    margin-bottom: 8px !important;
}

.user-info-mini__name {
    font-weight: 700 !important;
    font-size: 1rem !important;
    color: rgba(0, 0, 0, 0.9) !important;
    font-family: var(--font-display, 'Be Vietnam Pro'), sans-serif;
}

/* Enhanced Dropdown Items */
.user-dropdown-item {
    padding: 12px 16px !important;
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(0, 0, 0, 0.7);
    border-radius: 10px !important;
    transition: all 0.2s ease !important;
    font-size: 0.9375rem !important;
    font-weight: 500;
    font-family: var(--font-body, 'Manrope'), sans-serif;
    text-decoration: none;
    margin-bottom: 2px;
}

.user-dropdown-item:hover {
    background: rgba(15, 118, 110, 0.06) !important;
    color: var(--color-primary, #0f766e) !important;
}

.user-dropdown-item svg {
    width: 18px !important;
    height: 18px !important;
    opacity: 0.6;
    transition: all 0.2s ease;
}

.user-dropdown-item:hover svg {
    opacity: 1;
    color: var(--color-primary, #0f766e);
}

/* Profile Completion Badge */
.user-dropdown-item span[style*="background:#ff4d4f"] {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%) !important;
    padding: 3px 10px !important;
    border-radius: 12px !important;
    font-size: 0.6875rem !important;
    font-weight: 700 !important;
    box-shadow: 0 2px 6px rgba(249, 115, 22, 0.3);
}

/* Divider */
.user-dropdown-divider {
    height: 1px !important;
    background: rgba(0, 0, 0, 0.06) !important;
    margin: 8px 0 !important;
}

/* Logout Item - Special Styling */
.user-dropdown-item[href*="dang-xuat"] {
    color: #dc2626 !important;
}

.user-dropdown-item[href*="dang-xuat"]:hover {
    background: rgba(220, 38, 38, 0.06) !important;
    color: #b91c1c !important;
}

/* ============================================
   LOGIN/REGISTER BUTTONS
   ============================================ */

.site-header__actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.site-header__actions .ant-btn {
    font-family: var(--font-body, 'Manrope'), sans-serif !important;
    font-weight: 600 !important;
    border-radius: 50px !important;
    height: 42px !important;
    padding: 0 24px !important;
    font-size: 0.9375rem !important;
    transition: all 0.25s ease !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.site-header__actions .ant-btn:not(.ant-btn-primary) {
    border: 1.5px solid rgba(15, 118, 110, 0.15) !important;
    color: var(--color-primary, #0f766e) !important;
    background: white !important;
}

.site-header__actions .ant-btn:not(.ant-btn-primary):hover {
    border-color: var(--color-primary, #0f766e) !important;
    background: rgba(15, 118, 110, 0.04) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(15, 118, 110, 0.1);
}

.site-header__actions .ant-btn-primary {
    background: linear-gradient(135deg, var(--color-primary, #0f766e) 0%, var(--color-primary-light, #14b8a6) 100%) !important;
    border: none !important;
    box-shadow: 0 4px 12px rgba(15, 118, 110, 0.2) !important;
    color: white !important;
}

.site-header__actions .ant-btn-primary:hover {
    box-shadow: 0 6px 20px rgba(15, 118, 110, 0.3) !important;
    transform: translateY(-1px);
}

/* ============================================
   MOBILE MENU TOGGLE
   ============================================ */

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.mobile-menu-toggle:hover {
    background: rgba(15, 118, 110, 0.06);
}

.mobile-menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-primary, #0f766e);
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-10px);
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

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

.mobile-nav {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 999;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-nav.active {
    transform: translateX(0);
}

.mobile-nav__list {
    list-style: none;
    margin: 0;
    padding: 24px 16px;
}

.mobile-nav__item {
    margin-bottom: 4px;
}

.mobile-nav__item a {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    font-family: var(--font-body, 'Manrope'), sans-serif;
    font-weight: 500;
    font-size: 1.0625rem;
    color: rgba(0, 0, 0, 0.7);
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.25s ease;
}

.mobile-nav__item a:hover {
    background: rgba(15, 118, 110, 0.06);
    color: var(--color-primary, #0f766e);
}

.mobile-nav__item.active a {
    background: linear-gradient(135deg, var(--color-primary, #0f766e) 0%, var(--color-primary-light, #14b8a6) 100%);
    color: white;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(15, 118, 110, 0.25);
}

.mobile-nav__actions {
    padding: 24px 16px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mobile-nav__actions .ant-btn {
    width: 100%;
    height: 48px !important;
    font-size: 1rem !important;
    border-radius: 12px !important;
}

/* ============================================
   RESPONSIVE STYLES
   ============================================ */

@media (max-width: 1024px) {
    .site-header__inner {
        height: 64px;
    }

    .site-nav {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .mobile-nav {
        display: block;
        top: 64px;
    }

    .site-header__actions {
        display: none;
    }
}

@media (max-width: 640px) {
    .site-header__inner {
        height: 60px;
        padding: 0 16px;
    }

    .site-brand svg {
        width: 28px;
        height: 28px;
    }

    .site-brand span {
        font-size: 1.25rem !important;
    }

    .mobile-nav {
        top: 60px;
    }
}

/* ============================================
   SCROLL BEHAVIOR
   ============================================ */

@media (prefers-reduced-motion: no-preference) {
    .site-header {
        will-change: box-shadow;
    }

    .site-nav .ant-menu-item a {
        will-change: transform, background-color;
    }
}