* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Sleek Dark Theme */
    --primary: #8A2BE2; /* Blue Violet */
    --primary-dark: #6A0DAD;
    --secondary: #00F0FF; /* Cyan accent */
    --success: #10b981;
    --danger: #ef4444;

    /* Backgrounds */
    --bg: #05050A; /* Extremely dark blue/black */
    --bg-alt: #0B0B14;
    
    /* Cards & Surfaces */
    --card: rgba(20, 20, 30, 0.6);
    --card-border: rgba(138, 43, 226, 0.2);
    --card-hover: rgba(30, 30, 45, 0.8);
    
    /* Typography */
    --text: #F8F9FA;
    --text-light: #A0AABF;
    
    /* UI Elements */
    --border: rgba(138, 43, 226, 0.15);
    --input-bg: rgba(10, 10, 15, 0.8);
    --nav-bg: rgba(5, 5, 10, 0.7);

    /* Gradients and glows */
    --glass-grad-1: rgba(138, 43, 226, 0.15);
    --glass-grad-2: rgba(0, 240, 255, 0.1);
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.05);

    --glass-blur: 24px;
    --radius: 16px;
    --transition: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

h1, h2, h3, h4, .nav-logo {
    font-family: 'Outfit', sans-serif;
}

/* Ambient Background */
.glass-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 15% 30%, var(--glass-grad-1) 0%, transparent 40%),
        radial-gradient(circle at 85% 70%, var(--glass-grad-2) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(10,10,15, 0.8) 0%, var(--bg) 100%);
    pointer-events: none;
    z-index: -1;
}

.hidden {
    display: none !important;
}

/* NAV & HEADER */
.top-nav,
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 60px;
    background: var(--nav-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-logo {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 2px;
    color: #FFF;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    color: var(--secondary);
}

.app-title {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    color: var(--text-light);
}

/* Centered Hero Section */
.hero-centered {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: 80px 20px 100px;
    min-height: calc(100vh - 80px);
    justify-content: center;
}

.hero-text-content {
    animation: fadeUp 0.8s ease-out forwards;
    width: 100%;
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 30px;
    background: rgba(138, 43, 226, 0.1);
    border: 1px solid var(--card-border);
    color: var(--secondary);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 72px;
    font-weight: 800;
    margin-bottom: 24px;
    line-height: 1.05;
    letter-spacing: -2px;
    color: #FFF;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 48px;
    }
}

.text-gradient {
    background: linear-gradient(135deg, #E0B0FF, var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-light);
    margin: 0 auto 40px;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin: 0 auto 60px;
    justify-content: center;
    flex-wrap: wrap;
}

.stats-row {
    display: flex;
    gap: 40px;
    border-top: 1px solid var(--border);
    padding-top: 32px;
    justify-content: center;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.stat-item h4 {
    font-size: 32px;
    font-weight: 800;
    color: #FFF;
    margin-bottom: 4px;
}

.stat-item p {
    color: var(--text-light);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

.home-tracking-widget {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    text-align: left;
    animation: fadeUp 1s ease-out forwards;
}

.home-tracking-widget h3 {
    margin-bottom: 16px;
    font-size: 18px;
    color: #FFF;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* BUTTONS */
button {
    font-family: 'Inter', sans-serif;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all var(--transition);
    font-weight: 600;
    font-size: 15px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

button:active {
    transform: scale(0.97);
}

.btn-primary {
    background: var(--primary);
    color: white;
    padding: 14px 28px;
    box-shadow: 0 4px 15px rgba(138, 43, 226, 0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(138, 43, 226, 0.5);
}

.btn-secondary {
    background: transparent;
    color: #FFF;
    padding: 14px 28px;
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.05);
    transform: translateY(-2px);
    border-color: var(--card-border);
}

.btn-glow {
    position: relative;
    overflow: hidden;
}

.btn-glow::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

.btn-glow:hover::before {
    opacity: 1;
}

.btn-large {
    padding: 16px 36px;
    font-size: 16px;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 14px;
}

.btn-invoice {
    background: rgba(138, 43, 226, 0.1);
    color: var(--primary);
    border: 1px solid rgba(138, 43, 226, 0.3);
    padding: 8px 16px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all var(--transition);
    cursor: pointer;
}

.btn-invoice:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(138, 43, 226, 0.25);
}


/* HOW IT WORKS */
.how-it-works {
    padding: 100px 60px;
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 40px;
    color: #FFF;
    margin-bottom: 12px;
}

.section-subtitle {
    color: var(--text-light);
    font-size: 18px;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    position: relative;
}

.steps-grid::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
    z-index: -1;
}

.step-card {
    text-align: center;
    background: var(--bg);
    padding: 20px;
}

.step-number {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: rgba(10,10,15, 0.8);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    color: var(--secondary);
    box-shadow: 0 0 20px rgba(0,240,255,0.1);
}

.step-card h3 {
    color: #FFF;
    font-size: 22px;
    margin-bottom: 12px;
}

.step-card p {
    color: var(--text-light);
}

/* BENTO FEATURES */
.features-bento {
    padding: 60px 60px 120px;
    max-width: 1200px;
    margin: 0 auto;
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto;
    gap: 24px;
}

.bento-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 40px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.bento-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(800px circle at var(--mouse-x) var(--mouse-y), rgba(255,255,255,0.06), transparent 40%);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

.bento-card:hover::after {
    opacity: 1;
}

.bento-card:hover {
    transform: translateY(-5px);
    border-color: var(--card-border);
    background: var(--card-hover);
}

.bento-large {
    grid-column: span 3;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 60px;
    background: linear-gradient(135deg, rgba(20,20,30,0.8), rgba(138,43,226,0.05));
}

.bento-small {
    grid-column: span 1;
}

.bento-small:nth-child(2) {
    grid-column: span 2;
}

.feature-icon-wrapper {
    width: 60px;
    height: 60px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--secondary);
}

.neon-glow {
    box-shadow: 0 0 20px rgba(0,240,255,0.2);
    color: var(--primary);
}

.bento-card h3 {
    font-size: 24px;
    margin-bottom: 12px;
    color: #FFF;
}

.bento-card p {
    color: var(--text-light);
    font-size: 16px;
}

/* FOOTER */
.site-footer {
    background: rgba(5,5,10, 0.9);
    border-top: 1px solid var(--border);
    padding: 80px 60px 40px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand {
    max-width: 400px;
}

.footer-brand p {
    margin-top: 16px;
    color: var(--text-light);
}

.footer-links {
    display: flex;
    gap: 80px;
}

.link-column h4 {
    color: #FFF;
    font-size: 18px;
    margin-bottom: 20px;
}

.link-column a {
    display: block;
    color: var(--text-light);
    text-decoration: none;
    margin-bottom: 12px;
    transition: var(--transition);
}

.link-column a:hover {
    color: var(--secondary);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: rgba(255,255,255,0.3);
    font-size: 14px;
}

/* APP PORTAL / CARDS */
.glass-card, .card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--card-shadow);
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
}

.card-header {
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 16px;
}

.card-header h3 {
    font-size: 24px;
    color: #FFF;
}

.subtitle {
    color: var(--text-light);
    font-size: 15px;
    margin-top: 4px;
}

.user-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background: rgba(255,255,255,0.03);
    border-radius: var(--radius);
    margin-bottom: 24px;
    font-weight: 600;
    color: #FFF;
    border: 1px solid var(--border);
}

.nav-menu {
    display: flex;
    gap: 8px;
    margin-bottom: 32px;
    flex-wrap: wrap;
    background: rgba(0,0,0,0.2);
    padding: 6px;
    border-radius: 16px;
    border: 1px solid var(--border);
}

.nav-btn {
    flex: 1;
    background: transparent;
    color: var(--text-light);
    padding: 10px 16px;
    border-radius: 12px;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 13px;
    letter-spacing: 0.5px;
}

.nav-btn:hover {
    color: #FFF;
    background: rgba(255,255,255,0.05);
}

.nav-btn.active {
    background: rgba(138, 43, 226, 0.2);
    color: #FFF;
    border: 1px solid var(--card-border);
}

.btn-admin {
    color: var(--danger);
}
.nav-btn.active.btn-admin {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.15);
    color: #ff6b6b;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.25);
}

.btn-back {
    background: transparent;
    color: var(--text-light);
    padding: 0;
}
.btn-back:hover {
    color: #FFF;
}

/* FORMS */
.field {
    margin-bottom: 24px;
}

.field label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-light);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

input, select, textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 15px;
    font-family: inherit;
    background: var(--input-bg);
    color: #FFF;
    transition: var(--transition);
}

input:hover, select:hover, textarea:hover {
    border-color: rgba(255,255,255,0.2);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(0,0,0,0.5);
    box-shadow: 0 0 0 2px rgba(138, 43, 226, 0.2);
}

::placeholder {
    color: rgba(255,255,255,0.2);
}

.tracking-input-group {
    display: flex;
    gap: 12px;
}
.tracking-input-group input {
    flex: 1;
}

.auth-actions {
    display: flex;
    gap: 12px;
    flex-direction: column;
    margin-top: 32px;
}

/* TABLES & RESULTS */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th {
    padding: 16px 20px;
    font-size: 13px;
    color: var(--text-light);
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    text-transform: uppercase;
}

td {
    padding: 20px;
    font-size: 15px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    color: var(--text);
}

tr:last-child td {
    border-bottom: none;
}

.status-badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 12px;
    font-weight: 700;
    background: rgba(138, 43, 226, 0.15);
    color: #E0B0FF;
    border: 1px solid rgba(138, 43, 226, 0.3);
    text-transform: uppercase;
}

.track-result-card {
    margin-top: 20px;
    padding: 24px;
    background: rgba(0,0,0,0.3);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.result-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.result-row:last-child {
    border: none;
    padding-bottom: 0;
}

.result-label {
    color: var(--text-light);
    font-size: 14px;
}

.result-value {
    font-weight: 600;
    color: #FFF;
}

.result-message {
    margin-top: 24px;
    padding: 16px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 15px;
    display: none;
    text-align: center;
}

.result-message.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    display: block;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.result-message.error {
    background: rgba(239, 68, 68, 0.1);
    color: #ff6b6b;
    display: block;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* MODALS */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    width: 90%;
    max-width: 480px;
    position: relative;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 32px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.05);
    animation: modalIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalIn {
    from { opacity: 0; transform: translateY(20px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

/* TOASTS */
.toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.toast {
    background: var(--card);
    border: 1px solid var(--border);
    color: #FFF;
    padding: 16px 24px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 14px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    animation: toastIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    min-width: 280px;
    display: flex;
    align-items: center;
    gap: 14px;
    border-left: 4px solid var(--primary);
    backdrop-filter: blur(10px);
}
.toast.success { border-left-color: var(--success); }
.toast.info { border-left-color: var(--secondary); }

@keyframes toastIn {
    from { opacity: 0; transform: translateX(40px) scale(0.95); }
    to { opacity: 1; transform: translateX(0) scale(1); }
}

/* ANIMATIONS */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .bento-grid {
        grid-template-columns: 1fr;
    }
    .bento-large, .bento-small {
        grid-column: span 1 !important;
    }
    .steps-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    .steps-grid::before {
        display: none;
    }
    .footer-content {
        flex-direction: column;
        gap: 40px;
    }
    .top-nav {
        padding: 20px;
    }
}

@media (max-width: 768px) {
    table, thead, tbody, th, td, tr { display: block; }
    thead tr { position: absolute; top: -9999px; left: -9999px; }
    tr { border: 1px solid var(--border); border-radius: 16px; margin-bottom: 20px; background: rgba(255,255,255,0.02); padding: 16px; }
    td { border: none; border-bottom: 1px solid rgba(255,255,255,0.05); position: relative; padding: 12px 0 12px 45%; text-align: right; }
    td:last-child { border-bottom: none; padding-bottom: 0; }
    td::before { content: attr(data-label); position: absolute; left: 0; top: 12px; font-weight: 700; font-size: 12px; color: var(--text-light); text-transform: uppercase; text-align: left; width: 40%; white-space: nowrap; }
}