:root {
    --bg: #f4f6f9;
    --text: #1f2937;
    --muted: #6b7280;
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --success: #16a34a;
    --danger: #dc2626;
    --warning: #f59e0b;
    --card: #ffffff;
    --border: #e5e7eb;
    --shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
    --radius: 12px;
}

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

body {
    font-family: 'Inter', 'Roboto', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
}

/* Banner */
.welcome-banner {
    text-align: center;
    background: linear-gradient(135deg, #0ea5e9, #2563eb, #7c3aed);
    color: #fff;
    padding: 40px 20px;
    border-radius: var(--radius);
    margin-bottom: 25px;
    box-shadow: var(--shadow);
}

.welcome-banner h1 {
    font-size: 2.4rem;
    margin-bottom: 8px;
    font-weight: 800;
}

.welcome-banner h2 {
    font-size: 1.4rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.welcome-banner .subtitle {
    font-size: 1rem;
    opacity: 0.9;
}

/* Card */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.card h2 {
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.card h3 {
    font-size: 1.1rem;
    margin: 16px 0 10px;
}

/* Grid dua kolom */
.grid-two {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.column {
    display: flex;
    flex-direction: column;
}

/* Input & select */
input[type="text"],
input[type="password"],
select {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #fff;
    font-size: 1rem;
    margin-bottom: 12px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus,
select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
    outline: none;
}

input::placeholder {
    color: var(--muted);
}

/* Buttons */
.btn {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    border: none;
    padding: 10px 16px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    transition: background 0.2s, transform 0.05s;
}

.btn:hover {
    background: var(--primary-dark);
}

.btn:active {
    transform: translateY(1px);
}

.btn.success {
    background: var(--success);
}

.btn.success:hover {
    background: #166534;
}

.btn.danger {
    background: var(--danger);
}

.btn.danger:hover {
    background: #991b1b;
}

/* Status */
.status {
    margin-top: 8px;
    font-size: 0.9rem;
    color: var(--muted);
}

/* VIP Gate & Area */
.vip-gate {
    border-left: 6px solid var(--warning);
}

.vip-area {
    border-left: 6px solid var(--success);
}

/* Coffee Section */
.coffee h2 {
    margin-bottom: 10px;
}

.coffee ul {
    list-style: none;
    padding-left: 0;
}

.coffee ul li {
    background: #fafafa;
    border: 1px solid var(--border);
    padding: 8px 10px;
    margin-bottom: 6px;
    border-radius: 8px;
}

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

.coffee a:hover {
    text-decoration: underline;
}

/* Domain List */
ul.domain-list {
    list-style: none;
    padding-left: 0;
}

ul.domain-list li {
    background: #fff;
    border: 1px solid var(--border);
    padding: 12px;
    margin-bottom: 10px;
    border-radius: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
}

.domain-name {
    font-weight: 600;
    color: var(--text);
}

/* Inbox Cards */
.mail-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 14px;
    box-shadow: var(--shadow);
}

.mail-card h3 {
    margin-bottom: 6px;
    color: var(--primary);
    font-size: 1.05rem;
    font-weight: 700;
}

.mail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 10px;
    color: var(--muted);
    font-size: 0.9rem;
}

.mail-body {
    background: #f9fafb;
    border: 1px solid var(--border);
    padding: 12px;
    border-radius: 10px;
    font-size: 0.95rem;
    color: #374151;
    overflow-x: auto;
}

/* Responsive */
@media (max-width:768px) {
    .grid-two {
        grid-template-columns: 1fr;
    }

    .btn {
        width: 100%;
        text-align: center;
    }
}

@media (max-width:480px) {
    .container {
        padding: 0 12px;
    }

    .welcome-banner {
        padding: 28px 16px;
    }

    .card {
        padding: 18px;
    }
}

.vip-setup {
    background: #f9fafb;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px;
    margin-top: 12px;
}

.vip-setup p {
    margin-bottom: 10px;
    font-size: 0.95rem;
    color: var(--text);
}

.vip-setup ul {
    list-style: none;
    padding-left: 0;
}

.vip-setup ul li {
    background: #fff;
    border: 1px solid var(--border);
    padding: 8px 10px;
    margin-bottom: 6px;
    border-radius: 8px;
    font-size: 0.95rem;
}

.vip-setup .note {
    color: var(--muted);
    font-size: 0.85rem;
}

.mail-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    transition: box-shadow 0.2s ease;
}

.mail-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.mail-header {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.mail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.9rem;
    color: var(--muted);
    margin-bottom: 12px;
}

.mail-body {
    background: #f9fafb;
    border: 1px solid var(--border);
    padding: 14px;
    border-radius: 10px;
    font-size: 0.95rem;
    color: #374151;
    white-space: pre-wrap;
    word-break: break-word;
    overflow-x: auto;
}

.vip-setup {
    background: #f9fafb;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px;
    margin-top: 12px;
}

.vip-setup p {
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.vip-setup ul {
    list-style: none;
    padding-left: 0;
}

.vip-setup ul li {
    background: #fff;
    border: 1px solid var(--border);
    padding: 8px 10px;
    margin-bottom: 6px;
    border-radius: 8px;
    font-size: 0.95rem;
}

.vip-setup .note {
    color: var(--muted);
    font-size: 0.85rem;
}