@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #9333ea;
    --primary-hover: #7e22ce;
    --gradient-brand: linear-gradient(135deg, #a855f7 0%, #ec4899 50%, #f97316 100%);
    
    --bg-color: #fafafa;
    --bg-alt: #ffffff;
    
    --text-main: #0f172a;
    --text-muted: #64748b;
    
    --border: #e2e8f0;
    --border-hover: #cbd5e1;
    
    --card-bg: #ffffff;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 10px 30px -5px rgba(0,0,0,0.05);
    --shadow-hover: 0 20px 40px -10px rgba(0,0,0,0.1);
    
    --success: #10b981;
    --success-bg: #d1fae5;
    --danger: #ef4444;
    --danger-bg: #fee2e2;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem;
    flex-grow: 1;
    width: 100%;
}

/* Auth Center Box */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: var(--bg-color);
    padding: 1rem;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 3rem 2.5rem;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.card h2 {
    margin-bottom: 2rem;
    text-align: center;
    font-weight: 700;
    font-size: 2rem;
    letter-spacing: -0.02em;
    color: var(--text-main);
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.85rem 1rem;
    background: var(--bg-color);
    border: 1.5px solid var(--border);
    border-radius: 12px;
    color: var(--text-main);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--bg-alt);
    box-shadow: 0 0 0 4px rgba(168, 85, 247, 0.1);
}

.btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding: 0.85rem 1.5rem;
    background: var(--gradient-brand);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(168, 85, 247, 0.3);
}

.btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(168, 85, 247, 0.4);
}

.btn:active {
    transform: scale(0.98);
}

.btn-small {
    padding: 0.5rem 1.25rem;
    width: auto;
    font-size: 0.9rem;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

.btn-success { 
    background: var(--success); 
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}
.btn-success:hover { background: #059669; }

.btn-danger { 
    background: var(--danger); 
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2);
}
.btn-danger:hover { background: #dc2626; }

/* Navbar */
.navbar {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand span {
    font-weight: 300;
    color: var(--text-main);
    -webkit-text-fill-color: initial;
}

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

.navbar-nav a {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
}

.navbar-nav a:hover {
    color: var(--text-main);
}

.wallet-badge {
    background: var(--bg-color);
    color: var(--text-main);
    padding: 0.5rem 1rem;
    border-radius: 12px;
    font-weight: 700;
    font-size: 0.95rem;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.wallet-badge::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
}

/* Headings */
h2 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
    background: var(--card-bg);
    border-radius: 16px;
    border: 1px solid var(--border);
    padding: 0.5rem;
    margin-top: 2rem;
    box-shadow: var(--shadow-sm);
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

th, td {
    padding: 1.25rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    background: var(--bg-color);
}

th:first-child { border-top-left-radius: 12px; border-bottom-left-radius: 12px; }
th:last-child { border-top-right-radius: 12px; border-bottom-right-radius: 12px; }

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

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

/* Grid Layout for Products */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 2.5rem;
}

.product-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-brand);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-hover);
}

.product-card:hover::before {
    opacity: 1;
}

.product-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-main);
    line-height: 1.3;
}

.product-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 1rem;
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
}

.product-price span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-muted);
}

.product-stock {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    flex-grow: 1;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-color);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    width: fit-content;
}

.alert {
    padding: 1rem 1.25rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    font-weight: 500;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-error {
    background: var(--danger-bg);
    color: #991b1b;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-success {
    background: var(--success-bg);
    color: #065f46;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

/* Activation Link Display */
.activation-box {
    background: var(--bg-color);
    padding: 1.25rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    word-break: break-all;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.9rem;
    color: var(--primary);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}

/* Status Badges */
.status-badge {
    padding: 0.35rem 0.85rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-success {
    background: var(--success-bg);
    color: #065f46;
}

.status-failed {
    background: var(--danger-bg);
    color: #991b1b;
}

/* Footer Styling */
.site-footer {
    background: var(--card-bg);
    border-top: 1px solid var(--border);
    padding: 3rem 2rem 1rem;
    margin-top: auto;
}

.footer-content {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-logo {
    max-width: 350px;
}

.footer-logo img {
    height: 45px;
    margin-bottom: 1rem;
    object-fit: contain;
}

.footer-logo p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.footer-links h4 {
    color: var(--text-main);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-links a {
    display: block;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--primary);
    transform: translateX(3px);
}

.footer-bottom {
    max-width: 1100px;
    margin: 3rem auto 0;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        padding: 1rem 0.5rem;
        gap: 1rem;
    }
    
    .navbar-nav {
        width: 100%;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        align-items: center;
        gap: 0.75rem;
    }
    
    .navbar-nav a {
        font-size: 0.85rem;
    }
    
    .wallet-badge {
        padding: 0.35rem 0.75rem;
        font-size: 0.85rem;
    }

    .btn-small {
        padding: 0.35rem 0.75rem;
        font-size: 0.85rem;
    }

    .container {
        padding: 1rem;
    }

    .card {
        padding: 2rem 1.5rem;
    }

    .product-grid {
        grid-template-columns: 1fr;
    }

    .table-responsive {
        padding: 0;
        border: none;
        box-shadow: none;
    }

    table {
        display: block;
        width: 100%;
        overflow-x: auto;
        white-space: nowrap;
    }

    th, td {
        padding: 1rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
    
    .footer-logo img {
        margin: 0 auto 1rem;
    }
}