/* Reset và Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #0066CC;
    --primary-dark: #004D99;
    --primary-light: #E6F0FF;
    --secondary-color: #0088FF;
    --accent-color: #00A8FF;
    --bg-white: #FFFFFF;
    --bg-light: #F0F8FF;
    --text-dark: #1A1A1A;
    --text-medium: #333333;
    --text-light: #666666;
    --text-muted: #999999;
    --border-color: #B8D4F0;
    --border-light: #D0E0F0;
    --shadow-sm: 0 2px 8px rgba(0, 102, 204, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 102, 204, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 102, 204, 0.16);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 50px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #F0F8FF 0%, #E6F0FF 100%);
    color: var(--text-dark);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== HEADER / NAVIGATION ===== */
.main-header {
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    max-width: 1200px;
    margin: 0 auto;
    height: 64px;
}

/* Logo */
.logo {
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: -0.5px;
    transition: var(--transition);
}

.logo-highlight {
    color: var(--primary-color);
    font-weight: 800;
}

.logo:hover .logo-text {
    color: var(--primary-color);
}

/* Navigation */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}

.nav-menu a {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    color: var(--text-medium);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: var(--radius-full);
    transition: var(--transition);
    white-space: nowrap;
}

.nav-menu a:hover {
    background: var(--primary-light);
    color: var(--primary-color);
}

.nav-menu a.active {
    background: var(--primary-color);
    color: white;
    font-weight: 600;
}

.nav-menu a.active:hover {
    background: var(--primary-dark);
}

/* User Menu */
.user-menu {
    position: relative;
    margin-left: 8px;
}

.user-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--primary-light);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--primary-color);
    transition: var(--transition);
    font-family: inherit;
}

.user-toggle:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.user-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.85rem;
    transition: var(--transition);
}

.user-toggle:hover .user-avatar {
    background: white;
    color: var(--primary-color);
}

.user-name {
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.arrow-down {
    display: inline-block;
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid currentColor;
    transition: var(--transition);
}

.user-toggle:hover .arrow-down {
    border-top-color: white;
}

/* Dropdown Menu */
.dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: white;
    min-width: 200px;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    padding: 6px 0;
    z-index: 1000;
}

.dropdown-menu.active {
    display: block;
    animation: fadeInDown 0.2s ease;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-menu a {
    display: block;
    padding: 10px 20px;
    color: var(--text-medium);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
    border-radius: 0;
}

.dropdown-menu a:hover {
    background: var(--primary-light);
    color: var(--primary-color);
}

.logout-link {
    color: #DC3545;
}

.logout-link:hover {
    background: #FFF5F5;
    color: #DC3545;
}

.dropdown-divider {
    height: 1px;
    background: var(--border-light);
    margin: 4px 0;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== MAIN CONTENT ===== */
.main-content {
    flex: 1;
    padding: 40px 0;
}

/* Hero Section */
.hero {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 60px 40px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    margin-bottom: 40px;
    border: 1px solid var(--border-light);
}

.hero h1 {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.3;
}

.hero h1 .highlight {
    color: var(--primary-color);
}

.hero p {
    font-size: 1.15rem;
    color: var(--text-light);
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.card {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border-light);
    text-align: center;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.card-label {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary-light);
    color: var(--primary-color);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.card h3 {
    color: var(--text-dark);
    margin-bottom: 12px;
    font-size: 1.25rem;
    font-weight: 600;
}

.card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
    font-family: inherit;
    gap: 8px;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
    justify-content: center;
    padding: 14px 28px;
    font-size: 1rem;
}

/* ===== AUTH FORMS ===== */
.auth-container {
    max-width: 440px;
    margin: 0 auto;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
}

.auth-container h2 {
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 8px;
    font-size: 1.8rem;
    font-weight: 700;
}

.auth-subtitle {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 32px;
    font-size: 0.9rem;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-medium);
    font-weight: 500;
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    transition: var(--transition);
    background: #FAFCFF;
    color: var(--text-dark);
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
    background: white;
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 8px;
}

.remember-me input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.remember-me label {
    font-size: 0.9rem;
    color: var(--text-medium);
    cursor: pointer;
    margin: 0;
}

.forgot-link {
    font-size: 0.9rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.forgot-link:hover {
    text-decoration: underline;
}

.form-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
    color: var(--text-light);
    font-size: 0.9rem;
}

.form-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.form-footer a:hover {
    text-decoration: underline;
}

.back-link {
    display: block;
    text-align: center;
    margin-top: 16px;
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.9rem;
}

.back-link:hover {
    color: var(--primary-color);
}

/* ===== ALERTS ===== */
.alert {
    padding: 14px 16px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    font-size: 0.9rem;
    border-left: 4px solid;
}

.alert-error {
    background: #FFF5F5;
    color: #721C24;
    border-left-color: #DC3545;
}

.alert-success {
    background: #F0FFF4;
    color: #155724;
    border-left-color: #28A745;
}

.alert ul {
    margin: 0;
    padding-left: 20px;
}

/* Flash Messages */
.flash-message {
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 500;
    font-size: 0.9rem;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.flash-success {
    background: #D4EDDA;
    color: #155724;
    border-bottom: 1px solid #C3E6CB;
}

.flash-error {
    background: #F8D7DA;
    color: #721C24;
    border-bottom: 1px solid #F5C6CB;
}

.flash-close {
    background: none;
    border: none;
    font-size: 1.4rem;
    cursor: pointer;
    color: inherit;
    opacity: 0.7;
    padding: 0 4px;
    line-height: 1;
}

.flash-close:hover {
    opacity: 1;
}

/* ===== FOOTER ===== */
.main-footer {
    background: var(--bg-white);
    border-top: 1px solid var(--border-light);
    padding: 24px 0;
    margin-top: auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.footer-content p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 20px;
    list-style: none;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-medium);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-color);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .nav-container {
        flex-wrap: wrap;
        height: auto;
        padding: 12px 20px;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        display: none;
        width: 100%;
        flex-direction: column;
        padding: 16px 0 0;
        gap: 4px;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu a {
        width: 100%;
        justify-content: center;
        padding: 12px 16px;
        border-radius: var(--radius-md);
    }
    
    .user-menu {
        width: 100%;
        margin-left: 0;
    }
    
    .user-toggle {
        width: 100%;
        justify-content: center;
        padding: 12px 16px;
    }
    
    .dropdown-menu {
        position: static;
        width: 100%;
        box-shadow: none;
        border: 1px solid var(--border-light);
        margin-top: 4px;
    }
    
    .hero {
        padding: 40px 20px;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .auth-container {
        padding: 30px 20px;
        margin: 0 12px;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 32px 16px;
    }
    
    .hero h1 {
        font-size: 1.6rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}
/* ===== PROFILE PAGE ===== */
.profile-container {
    max-width: 800px;
    margin: 0 auto;
}

.profile-header {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    box-shadow: var(--shadow-md);
    margin-bottom: 24px;
    border: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.profile-avatar-large {
    width: 100px;
    height: 100px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: 700;
    border: 4px solid var(--primary-light);
}

.profile-info h2 {
    color: var(--text-dark);
    font-size: 1.8rem;
    margin-bottom: 8px;
}

.profile-email {
    color: var(--text-light);
    font-size: 1rem;
    margin-bottom: 4px;
}

.profile-date {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Profile Tabs */
.profile-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 0;
    background: var(--bg-white);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    padding: 6px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    border-bottom: none;
}

.tab-button {
    flex: 1;
    padding: 12px 20px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-medium);
    transition: var(--transition);
    font-family: inherit;
}

.tab-button:hover {
    background: var(--primary-light);
    color: var(--primary-color);
}

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

/* Tab Content */
.tab-content {
    display: none;
    background: var(--bg-white);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
    margin-bottom: 24px;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.profile-card {
    max-width: 500px;
    margin: 0 auto;
}

.profile-card h3 {
    color: var(--text-dark);
    font-size: 1.3rem;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary-light);
}

/* Activity List */
.activity-list {
    position: relative;
    padding-left: 30px;
}

.activity-list::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-light);
}

.activity-item {
    position: relative;
    padding-bottom: 24px;
}

.activity-item:last-child {
    padding-bottom: 0;
}

.activity-dot {
    position: absolute;
    left: -22px;
    top: 4px;
    width: 12px;
    height: 12px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: 0 0 0 2px var(--primary-color);
}

.activity-title {
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.activity-time {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Responsive Profile */
@media (max-width: 768px) {
    .profile-header {
        padding: 30px 20px;
    }
    
    .profile-avatar-large {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }
    
    .profile-info h2 {
        font-size: 1.5rem;
    }
    
    .tab-button {
        padding: 10px 14px;
        font-size: 0.85rem;
    }
    
    .tab-content {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .profile-tabs {
        flex-direction: column;
        gap: 2px;
    }
    
    .tab-button {
        text-align: center;
    }
}
/* ===== BALANCE QUICK VIEW (HEADER) ===== */
.balance-quick {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: var(--bg-light);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
}

.balance-item {
    white-space: nowrap;
}

.balance-vnd {
    color: #006600;
}

.balance-xu {
    color: #CC6600;
}

.balance-divider {
    color: var(--border-color);
    font-weight: 300;
}

/* ===== BADGE ===== */
.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-admin {
    background: #FFE0E0;
    color: #CC0000;
    border: 1px solid #FFB0B0;
}

.badge-member {
    background: var(--primary-light);
    color: var(--primary-color);
    border: 1px solid var(--border-color);
}

/* ===== DROPDOWN HEADER ===== */
.dropdown-header {
    padding: 12px 20px;
    border-bottom: 1px solid var(--border-light);
}

.dropdown-name {
    display: block;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.9rem;
}

.dropdown-role {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ===== DROPDOWN BALANCE ===== */
.dropdown-balance {
    padding: 10px 20px;
    background: var(--bg-light);
    border-bottom: 1px solid var(--border-light);
}

.dropdown-balance-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 0;
    font-size: 0.85rem;
}

.balance-label {
    color: var(--text-medium);
}

.balance-value {
    font-weight: 600;
    color: var(--text-dark);
}

/* ===== PROFILE BALANCE CARDS ===== */
.profile-balance-cards {
    display: flex;
    gap: 16px;
    width: 100%;
    max-width: 500px;
}

.balance-card {
    flex: 1;
    padding: 16px 20px;
    border-radius: var(--radius-md);
    text-align: center;
    border: 2px solid;
}

.balance-card-vnd {
    background: #F0FFF0;
    border-color: #90EE90;
}

.balance-card-xu {
    background: #FFF8F0;
    border-color: #FFD700;
}

.balance-card-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.balance-card-vnd .balance-card-label {
    color: #006600;
}

.balance-card-xu .balance-card-label {
    color: #CC6600;
}

.balance-card-value {
    display: block;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-dark);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .balance-quick {
        width: 100%;
        justify-content: center;
        padding: 8px 14px;
        font-size: 0.8rem;
    }
    
    .profile-balance-cards {
        flex-direction: column;
        max-width: 100%;
    }
    
    .user-toggle .badge {
        display: none;
    }
}

@media (max-width: 480px) {
    .balance-quick {
        font-size: 0.75rem;
        gap: 4px;
    }
}
/* ===== BONG BÓNG HỖ TRỢ ===== */
.support-bubble-wrapper {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
}

.support-bubble {
    width: 56px;
    height: 56px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.4rem;
    font-weight: 700;
    box-shadow: 0 4px 20px rgba(0, 102, 204, 0.4);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
}

.support-bubble:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
    box-shadow: 0 6px 24px rgba(0, 102, 204, 0.5);
}

.support-bubble-icon {
    display: block;
    line-height: 1;
    animation: supportPulse 2s infinite;
}

@keyframes supportPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Menu hỗ trợ */
.support-menu {
    display: none;
    position: absolute;
    bottom: 70px;
    right: 0;
    background: white;
    min-width: 280px;
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-light);
    overflow: hidden;
    z-index: 1;
    animation: supportSlideUp 0.3s ease;
}

.support-menu.active {
    display: block;
}

@keyframes supportSlideUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.support-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--primary-color);
    color: white;
    font-weight: 600;
    font-size: 1rem;
}

.support-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.4rem;
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
    opacity: 0.8;
    transition: var(--transition);
}

.support-close:hover {
    opacity: 1;
}

.support-menu-body {
    padding: 8px 0;
}

.support-item {
    display: flex;
    flex-direction: column;
    padding: 14px 20px;
    text-decoration: none;
    transition: var(--transition);
    border-bottom: 1px solid var(--border-light);
    cursor: pointer;
}

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

.support-item:hover {
    background: var(--primary-light);
}

.support-item-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 2px;
}

.support-item-value {
    font-size: 0.8rem;
    color: var(--text-light);
}

/* Màu sắc riêng cho từng loại */
.support-phone .support-item-label { color: #4CAF50; }
.support-facebook .support-item-label { color: #1877F2; }
.support-telegram .support-item-label { color: #0088CC; }
.support-email .support-item-label { color: #EA4335; }

/* Responsive */
@media (max-width: 480px) {
    .support-bubble-wrapper {
        bottom: 16px;
        right: 16px;
    }
    
    .support-bubble {
        width: 48px;
        height: 48px;
        font-size: 1.2rem;
    }
    
    .support-menu {
        min-width: 250px;
        right: -8px;
    }
}