:root {
    --bg-color: #0d0d12;
    --nav-bg: rgba(21, 21, 30, 0.95);
    --text-main: #ffffff;
    --text-muted: #a0a0b5;
    --primary-color: #8a2be2;
    --primary-hover: #6a1b9a;
    --card-bg: #1c1c28;
    --border-color: rgba(255, 255, 255, 0.08);
    --success: #2ecc71;
    --warning: #f1c40f;
    --danger: #e74c3c;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    overflow-x: hidden;
    scroll-behavior: smooth;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 8%;
    background-color: var(--nav-bg);
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links li a {
    text-decoration: none;
    color: var(--text-main);
    font-size: 15px;
    transition: color 0.3s;
    cursor: pointer;
}

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

.nav-actions {
    display: flex;
    gap: 15px;
    align-items: center;
}

.btn {
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    border: none;
    transition: all 0.3s ease;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
}

.btn-outline {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--text-muted);
}
.btn-outline:hover { border-color: var(--primary-color); color: var(--primary-color); }

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 15px rgba(138, 43, 226, 0.3);
}
.btn-primary:hover { background-color: var(--primary-hover); transform: translateY(-2px); }

.btn-danger { background-color: rgba(231, 76, 60, 0.1); color: var(--danger); border: 1px solid rgba(231, 76, 60, 0.2); }
.btn-danger:hover { background-color: var(--danger); color: white; }

.main-content {
    margin-top: 80px;
    min-height: calc(100vh - 80px - 300px);
}

.page-view {
    display: none;
    animation: fadeIn 0.4s ease forwards;
}

.page-view.active { display: block; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 80px 8%;
    min-height: 80vh;
}

.hero-content { flex: 1; max-width: 600px; }

.badge {
    background: rgba(138, 43, 226, 0.15);
    color: var(--primary-color);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 20px;
}

.hero h1 { font-size: 54px; line-height: 1.1; margin-bottom: 20px; font-weight: 700; }
.hero h1 .highlight { color: var(--primary-color); }
.hero p { font-size: 16px; color: var(--text-muted); margin-bottom: 40px; line-height: 1.6; }

.hero-image { flex: 1; display: flex; justify-content: flex-end; }
.hero-graphic {
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(138,43,226,0.2) 0%, rgba(13,13,18,0) 70%);
    display: flex; align-items: center; justify-content: center;
    font-size: 120px; font-weight: bold; color: var(--primary-color);
    text-shadow: 0 0 30px rgba(138,43,226,0.4);
}

.section-padding { padding: 80px 8%; }
.section-header { text-align: center; margin-bottom: 50px; }
.section-header h2 { font-size: 36px; margin-bottom: 15px; }
.section-header p { color: var(--text-muted); max-width: 600px; margin: 0 auto; }

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.product-card {
    background-color: var(--card-bg);
    border-radius: 16px; border: 1px solid var(--border-color);
    padding: 30px; transition: all 0.3s;
    position: relative; overflow: hidden;
}
.product-card:hover { transform: translateY(-10px); border-color: var(--primary-color); box-shadow: 0 10px 30px rgba(0,0,0,0.5); }

.product-badge {
    position: absolute; top: 20px; right: -30px;
    background: var(--primary-color); color: white;
    padding: 5px 40px; font-size: 12px; font-weight: bold;
    transform: rotate(45deg);
}

.product-icon { font-size: 40px; color: var(--primary-color); margin-bottom: 20px; }
.product-title { font-size: 24px; margin-bottom: 10px; }
.product-desc { color: var(--text-muted); font-size: 14px; margin-bottom: 20px; line-height: 1.5; }
.product-price { font-size: 32px; font-weight: 700; margin-bottom: 20px; color: white; }
.product-price span { font-size: 16px; color: var(--text-muted); font-weight: normal; }

.product-features { list-style: none; margin-bottom: 30px; }
.product-features li { font-size: 14px; color: var(--text-muted); margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
.product-features li i { color: var(--primary-color); }

.auth-container { display: flex; justify-content: center; align-items: center; min-height: 70vh; padding: 40px 20px; }
.auth-box {
    background-color: var(--card-bg); border: 1px solid var(--border-color);
    border-radius: 16px; padding: 40px; width: 100%; max-width: 450px; text-align: center;
}
.auth-box.auth-box-wide { max-width: 600px; }
.auth-box h2 { margin-bottom: 10px; }
.auth-box p { color: var(--text-muted); margin-bottom: 30px; font-size: 14px; }

.input-group { margin-bottom: 20px; text-align: left; }
.input-group input, .input-group textarea, .input-group select {
    width: 100%; padding: 15px 20px; background-color: #15151e;
    border: 1px solid var(--border-color); border-radius: 10px;
    color: white; font-family: 'Poppins', sans-serif; transition: all 0.3s;
}
.input-group input:focus, .input-group textarea:focus, .input-group select:focus {
    outline: none; border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(138, 43, 226, 0.1);
}

.auth-switch { margin-top: 20px; font-size: 14px; color: var(--text-muted); }
.auth-switch a { color: var(--primary-color); cursor: pointer; text-decoration: underline; }

.dashboard-section { padding: 50px 8%; }
.dashboard-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; padding-bottom: 20px; border-bottom: 1px solid var(--border-color); }

.modern-table-container { background-color: var(--card-bg); border-radius: 16px; border: 1px solid var(--border-color); overflow-x: auto; }
.modern-table { width: 100%; border-collapse: collapse; text-align: left; }
.modern-table th, .modern-table td { padding: 20px 25px; border-bottom: 1px solid var(--border-color); }
.modern-table th { color: var(--text-muted); font-weight: 500; font-size: 14px; }
.modern-table tr:last-child td { border-bottom: none; }
.modern-table tbody tr:hover { background-color: rgba(255,255,255,0.02); }

.status-badge { padding: 6px 12px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.status-success { background: rgba(46, 204, 113, 0.1); color: var(--success); }
.status-warning { background: rgba(241, 196, 15, 0.1); color: var(--warning); }

.support-view-container { display: none; animation: fadeIn 0.4s ease; }
.support-view-container.active { display: block; }

.ticket-list { display: flex; flex-direction: column; gap: 15px; }
.ticket-card {
    background-color: #15151e; border: 1px solid var(--border-color);
    border-radius: 12px; padding: 20px; display: flex;
    justify-content: space-between; align-items: center; transition: all 0.3s;
}
.ticket-card:hover { border-color: var(--primary-color); }
.ticket-info h4 { margin-bottom: 5px; font-size: 16px; }
.ticket-info span { font-size: 13px; color: var(--text-muted); margin-right: 15px; }
.ticket-info i { margin-right: 5px; color: var(--primary-color); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }

.ticket-chat-box { background-color: var(--card-bg); border: 1px solid var(--border-color); border-radius: 16px; overflow: hidden; display: flex; flex-direction: column; }
.ticket-chat-header { padding: 20px 25px; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; }
.ticket-chat-messages { padding: 30px; max-height: 500px; overflow-y: auto; display: flex; flex-direction: column; gap: 20px; }

.chat-msg { max-width: 80%; display: flex; flex-direction: column; }
.chat-msg.customer { align-self: flex-end; }
.chat-msg.staff { align-self: flex-start; }
.msg-info { font-size: 12px; color: var(--text-muted); margin-bottom: 5px; display: flex; gap: 10px; align-items: center; }
.chat-msg.customer .msg-info { justify-content: flex-end; }
.msg-bubble { padding: 15px 20px; border-radius: 12px; font-size: 14px; line-height: 1.6; }
.chat-msg.customer .msg-bubble { background-color: var(--primary-color); color: white; border-bottom-right-radius: 2px; }
.chat-msg.staff .msg-bubble { background-color: #252536; color: white; border: 1px solid var(--border-color); border-bottom-left-radius: 2px; }
.ticket-chat-reply { padding: 25px; border-top: 1px solid var(--border-color); }

footer { background-color: #0a0a0e; border-top: 1px solid var(--border-color); padding: 50px 8% 20px; margin-top: 50px; }
.footer-content { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 50px; margin-bottom: 40px; }
.footer-logo { font-size: 24px; font-weight: 700; margin-bottom: 20px; }
.footer-logo span { color: var(--primary-color); }
.footer-desc { color: var(--text-muted); font-size: 14px; line-height: 1.6; max-width: 400px; }
.footer-links h4 { margin-bottom: 20px; font-size: 16px; }
.footer-links ul { list-style: none; }
.footer-links ul li { margin-bottom: 10px; }
.footer-links ul li a { color: var(--text-muted); text-decoration: none; font-size: 14px; transition: color 0.3s; cursor: pointer; }
.footer-links ul li a:hover { color: var(--primary-color); }
.footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid var(--border-color); color: var(--text-muted); font-size: 13px; }

.breadcrumb {
    display: flex; align-items: center; gap: 10px;
    margin-bottom: 30px; font-size: 14px; color: var(--text-muted);
}
.breadcrumb a { color: var(--text-muted); cursor: pointer; text-decoration: none; }
.breadcrumb a:hover { color: var(--primary-color); }
.breadcrumb i { font-size: 10px; }
.breadcrumb span { color: var(--text-main); }

.product-detail-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
    margin-bottom: 50px;
}

.product-image-box {
    position: relative;
    background: linear-gradient(160deg, rgba(138,43,226,0.15), rgba(28,28,40,0.4));
    border: 1px solid var(--border-color);
    border-radius: 16px;
    min-height: 380px;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
}
.product-image-box i { font-size: 100px; color: var(--primary-color); text-shadow: 0 0 40px rgba(138,43,226,0.4); }
.product-image-badge {
    position: absolute; top: 20px; left: 20px;
    background: var(--primary-color); color: white;
    padding: 6px 16px; border-radius: 20px; font-size: 12px; font-weight: 700;
}

.product-info-box {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 35px;
}
.product-info-box h1 { font-size: 30px; margin-bottom: 15px; }

.detail-price { font-size: 38px; font-weight: 700; margin-bottom: 25px; color: white; }
.detail-price span { font-size: 15px; color: var(--text-muted); font-weight: normal; }

.detail-included-box {
    background-color: #15151e; padding: 20px; border-radius: 12px;
    border: 1px solid var(--border-color); margin-bottom: 25px;
}
.detail-included-box h4 { margin-bottom: 15px; font-size: 16px; display: flex; align-items: center; gap: 8px; }
.detail-included-box h4 i { color: var(--primary-color); }

.detail-terms { margin-top: 15px; font-size: 12px; color: var(--text-muted); text-align: center; }
.detail-terms a { color: var(--primary-color); cursor: pointer; }

.detail-tabs-wrapper {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
}
.detail-tabs { display: flex; border-bottom: 1px solid var(--border-color); }
.detail-tab-btn {
    flex: 1; padding: 18px; background: none; border: none; cursor: pointer;
    color: var(--text-muted); font-weight: 600; font-size: 15px;
    font-family: 'Poppins', sans-serif; transition: all 0.3s; border-bottom: 2px solid transparent;
}
.detail-tab-btn:hover { color: var(--text-main); }
.detail-tab-btn.active { color: var(--primary-color); border-bottom-color: var(--primary-color); }

.detail-tab-content { display: none; padding: 35px; line-height: 1.8; color: var(--text-muted); }
.detail-tab-content.active { display: block; }

.systems-grid {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 14px;
}
.systems-grid li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text-main); }
.systems-grid li i { color: var(--primary-color); }

.status-danger { background: rgba(231, 76, 60, 0.1); color: var(--danger); }

.account-wrapper {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 30px;
    align-items: start;
}

.account-sidebar {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 35px 25px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.account-avatar {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background: rgba(138, 43, 226, 0.15);
    border: 2px solid var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 34px;
    color: var(--primary-color);
    margin-bottom: 18px;
}

.account-name { font-size: 18px; margin-bottom: 4px; }
.account-email { font-size: 13px; color: var(--text-muted); margin-bottom: 25px; word-break: break-all; }

.account-menu {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.account-menu-bottom { margin-top: 4px; }

.account-menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 12px 16px;
    border-radius: 10px;
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.25s ease;
}

.account-menu-item i { width: 16px; text-align: center; color: var(--text-muted); transition: color 0.25s ease; }

.account-menu-item:hover { background-color: rgba(138, 43, 226, 0.08); color: var(--text-main); }
.account-menu-item:hover i { color: var(--primary-color); }

.account-menu-item.active {
    background-color: var(--primary-color);
    color: white;
}
.account-menu-item.active i { color: white; }

.account-menu-item.account-logout { color: var(--danger); }
.account-menu-item.account-logout i { color: var(--danger); }
.account-menu-item.account-logout:hover { background-color: rgba(231, 76, 60, 0.1); color: var(--danger); }
.account-menu-item.account-logout:hover i { color: var(--danger); }

.account-content {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
}

.account-tab { display: none; animation: fadeIn 0.3s ease; }
.account-tab.active { display: block; }

.account-content h2 { font-size: 26px; margin-bottom: 8px; }
.account-content-desc { color: var(--text-muted); font-size: 14px; margin-bottom: 30px; }

.input-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
}

.input-group input:disabled { opacity: 0.6; cursor: not-allowed; }

@media (max-width: 992px) {
    .account-wrapper { grid-template-columns: 1fr; }
}

.hidden-auth { display: none !important; }

#notification-container { position: fixed; bottom: 30px; right: 30px; z-index: 9999; display: flex; flex-direction: column; gap: 10px; }
.custom-toast { background-color: var(--card-bg); border-left: 4px solid var(--primary-color); color: white; padding: 15px 25px; border-radius: 8px; box-shadow: 0 10px 30px rgba(0,0,0,0.5); font-size: 14px; display: flex; align-items: center; gap: 12px; animation: slideInRight 0.3s ease forwards; }
.custom-toast.toast-error { border-left-color: var(--danger); }
.custom-toast.toast-error i { color: var(--danger); }

@keyframes slideInRight { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes slideOutRight { from { transform: translateX(0); opacity: 1; } to { transform: translateX(100%); opacity: 0; } }

@media (max-width: 992px) {
    .hero, .product-grid { flex-direction: column; text-align: center; }
    .hero-content { max-width: 100%; margin-bottom: 30px; }
    .nav-links { display: none; }
    .footer-content { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .chat-msg { max-width: 95%; }
    .product-grid { grid-template-columns: 1fr !important; }
    .product-detail-wrapper { grid-template-columns: 1fr; }
    .detail-tabs { flex-direction: column; }
}