:root {
    --dhl-yellow: #FFCC00;
    --dhl-red: #D40511;
    --dark-bg: #1A1A1A;
    --light-bg: #F8F9FA;
    --white: #FFFFFF;
    --gray-text: #6B7280;
    --border-radius-lg: 16px;
    --border-radius-md: 8px;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-family);
}

body {
    background-color: var(--light-bg);
    color: var(--dark-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Header */
.top-header {
    background-color: var(--dhl-yellow);
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.brand-text {
    color: var(--dhl-red);
    font-size: 2.5rem;
    font-weight: 900;
    letter-spacing: -1px;
    margin: 0;
    font-style: italic;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--dhl-red);
    font-weight: 700;
    font-size: 0.95rem;
    text-transform: uppercase;
    transition: all 0.2s ease;
    padding: 0.5rem 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--dhl-red);
    transition: width 0.3s ease;
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.nav-btn-outline {
    text-decoration: none;
    color: var(--dhl-red);
    font-weight: 700;
    border: 2px solid var(--dhl-red);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.nav-btn-outline:hover {
    background-color: var(--dhl-red);
    color: var(--white);
}

.menu-toggle {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}
.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--dhl-red);
    transition: 0.3s;
}
.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Dropdown */
.nav-dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    right: 0;
    background-color: var(--white);
    min-width: 160px;
    box-shadow: var(--shadow-lg);
    border-radius: var(--border-radius-md);
    z-index: 2000;
    overflow: hidden;
    margin-top: 10px;
    animation: slideDown 0.2s ease-out;
}

.dropdown-content a {
    color: var(--dark-bg);
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    transition: background-color 0.2s;
}

.dropdown-content a:hover {
    background-color: var(--light-bg);
    color: var(--dhl-red);
}

.nav-dropdown:hover .dropdown-content {
    display: block;
}

/* Hide the Google Translate toolbar that appears at the top */
.goog-te-banner-frame.skiptranslate {
    display: none !important;
    } 
body {
    top: 0px !important; 
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 75vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(26,26,26,1) 0%, rgba(26,26,26,0.6) 50%, rgba(26,26,26,0.8) 100%);
    z-index: 2;
}

.network-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #1A1A1A; /* Solid dark background */
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 3;
    width: 100%;
    max-width: 800px;
    padding: 0 20px;
    margin-top: auto;
    margin-bottom: 50px;
}

.tracking-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    padding: 20px 30px;
    border-radius: 50px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    transform: translateY(20px);
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    display: flex;
    align-items: center;
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.tracking-card h2 {
    color: var(--dhl-red);
    font-size: 1.4rem;
    font-weight: 800;
    margin: 0;
    white-space: nowrap;
}

.modern-tracking-form {
    display: flex;
    flex: 1;
    gap: 10px;
    align-items: center;
}

.input-wrapper {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 15px;
    width: 20px;
    height: 20px;
    color: var(--gray-text);
}

.input-wrapper input {
    width: 100%;
    padding: 15px 15px 15px 45px;
    font-size: 1.1rem;
    border: 2px solid #E5E7EB;
    border-radius: 50px;
    outline: none;
    transition: all 0.3s ease;
    font-weight: 600;
}

.input-wrapper input:focus {
    border-color: var(--dhl-yellow);
    box-shadow: 0 0 0 4px rgba(255, 204, 0, 0.2);
}

.btn-track {
    padding: 15px 35px;
    background-color: var(--dhl-red);
    color: var(--white);
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 800;
    cursor: pointer;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

.btn-track:hover {
    background-color: #B3040E;
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(212, 5, 17, 0.3);
}

/* Features */
.premium-features {
    padding: 100px 5%;
    background-color: var(--light-bg);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: default;
}

.feature-card:hover {
    transform: translateY(-15px);
    box-shadow: var(--shadow-lg);
}

.icon-circle {
    width: 80px;
    height: 80px;
    background-color: rgba(255, 204, 0, 0.15);
    color: var(--dhl-red);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 auto 25px auto;
    transition: transform 0.3s ease;
}

.feature-card:hover .icon-circle {
    transform: scale(1.1);
    background-color: var(--dhl-yellow);
}

.feature-card h3 {
    color: var(--dark-bg);
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--gray-text);
    font-size: 1.05rem;
    line-height: 1.7;
}

/* Tracking Result Area */
.container {
    max-width: 1000px;
    margin: 60px auto;
    padding: 0 20px;
}

.tracking-details {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 50px;
}

.tracking-header {
    display: flex;
    justify-content: space-between;
    border-bottom: 2px solid var(--light-bg);
    padding-bottom: 30px;
    margin-bottom: 40px;
}

.tracking-number h2 {
    color: var(--dhl-red);
    font-size: 2.5rem;
    font-weight: 900;
}

.tracking-status {
    text-align: right;
}

.status-badge {
    display: inline-block;
    padding: 10px 20px;
    background: var(--dhl-yellow);
    color: var(--dark-bg);
    font-weight: 800;
    border-radius: 50px;
    text-transform: uppercase;
    font-size: 1rem;
    box-shadow: var(--shadow-sm);
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 0;
    height: 100%;
    width: 4px;
    background: #E5E7EB;
    border-radius: 4px;
}

.timeline-event {
    position: relative;
    margin-bottom: 40px;
    cursor: pointer;
}

.timeline-event::before {
    content: '';
    position: absolute;
    left: -42px;
    top: 5px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #E5E7EB;
    border: 4px solid var(--white);
    box-shadow: 0 0 0 2px #E5E7EB;
    transition: all 0.3s ease;
}

.timeline-event.active::before {
    background: var(--dhl-red);
    box-shadow: 0 0 0 3px var(--dhl-red);
}

.event-date {
    font-size: 0.95rem;
    color: var(--gray-text);
    margin-bottom: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.event-content {
    background: var(--white);
    padding: 20px 25px;
    border-radius: var(--border-radius-md);
    border: 1px solid #E5E7EB;
    transition: all 0.3s ease;
}

.timeline-event:hover .event-content {
    border-color: var(--dhl-yellow);
    box-shadow: var(--shadow-sm);
    transform: translateX(5px);
}

.event-content h4 {
    color: var(--dark-bg);
    margin-bottom: 5px;
    font-size: 1.2rem;
}

/* Dropdown info */
.event-details {
    display: none;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px dashed #ccc;
    font-size: 0.95rem;
    animation: slideDown 0.3s ease-in-out forwards;
}

.timeline-event.open .event-details {
    display: block;
}

.charge-tag {
    display: inline-block;
    background: #ffebe5;
    color: var(--dhl-red);
    padding: 6px 12px;
    border-radius: 6px;
    font-weight: bold;
    margin-top: 10px;
}

.message-box {
    background: rgba(255, 204, 0, 0.1);
    border-left: 4px solid var(--dhl-yellow);
    padding: 15px;
    margin-top: 15px;
    color: var(--dark-bg);
    border-radius: 0 6px 6px 0;
    font-weight: 500;
}

/* Admin Styles */
.admin-container {
    max-width: 1400px;
    margin: 60px auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 40px;
}

.admin-panel {
    background: var(--white);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.admin-panel h2 {
    color: var(--dhl-red);
    margin-bottom: 30px;
    font-size: 1.8rem;
    font-weight: 800;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark-bg);
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #E5E7EB;
    border-radius: var(--border-radius-md);
    outline: none;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--dhl-yellow);
}

.btn {
    padding: 15px 30px;
    background-color: var(--dhl-red);
    color: var(--white);
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-weight: bold;
    width: 100%;
    font-size: 1.1rem;
    transition: all 0.3s;
}

.btn:hover {
    background-color: #B3040E;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

table {
    width: 100%;
    border-collapse: collapse;
}

table th, table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #E5E7EB;
}

table th {
    background-color: var(--light-bg);
    color: var(--dark-bg);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

table tr {
    transition: background-color 0.2s;
}

table tr:hover {
    background-color: var(--light-bg);
}

/* Footer */
.compact-footer {
    background-color: var(--dark-bg);
    color: var(--white);
    padding: 30px 5% 15px 5%;
    margin-top: 50px;
}

.compact-footer .footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 20px;
    margin-bottom: 15px;
}

.compact-footer .footer-brand h3 {
    color: var(--dhl-yellow);
    margin-bottom: 5px;
    font-size: 1.3rem;
}

.compact-footer .footer-brand p {
    color: var(--gray-text);
    font-size: 0.9rem;
    margin: 0;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--gray-text);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

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

.footer-bottom {
    text-align: center;
    color: var(--gray-text);
    font-size: 0.9rem;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

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

/* Utilities */
.text-center { text-align: center; }
.mt-2 { margin-top: 10px; }
.mb-4 { margin-bottom: 20px; }

/* Responsive Mobile Layout */
@media screen and (max-width: 768px) {
    /* Header & Navigation */
    .menu-toggle { display: flex; }
    
    .top-header {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        padding: 10px 5%;
    }
    
    .main-nav {
        display: none;
        flex-direction: column;
        width: 100%;
        text-align: center;
        margin-top: 15px;
        gap: 10px;
    }
    
    .main-nav.active {
        display: flex;
    }
    
    .brand-text {
        font-size: 1.8rem;
    }

    /* Hero & Tracking Search */
    .hero-section {
        min-height: auto;
        height: auto;
        padding: 40px 0;
    }
    
    .tracking-card {
        flex-direction: column;
        border-radius: 20px;
        padding: 20px;
        gap: 15px;
    }
    
    .tracking-card h2 {
        font-size: 1.3rem;
    }
    
    .modern-tracking-form {
        flex-direction: column;
        width: 100%;
    }
    
    .input-wrapper input {
        padding: 15px 15px 15px 50px;
        font-size: 1rem;
    }
    
    .btn-track {
        padding: 15px;
        width: 100%;
        font-size: 1rem;
    }

    /* Features Section */
    .premium-features {
        padding: 50px 5%;
    }
    
    .feature-grid {
        gap: 20px;
    }

    /* Tracking Result Page */
    .tracking-details {
        padding: 25px;
    }
    
    .tracking-header {
        flex-direction: column;
        text-align: left;
        gap: 15px;
    }
    
    .tracking-status {
        text-align: left;
    }
    
    .tracking-number h2 {
        font-size: 1.8rem;
    }

    /* Admin Panel */
    .admin-container {
        grid-template-columns: 1fr; /* Stack columns on mobile */
        gap: 30px;
        margin: 30px auto;
    }
    
    .admin-panel {
        padding: 25px;
    }

    /* Footer */
    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 20px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 10px;
    }
}