:root {
    --bg-dark: #0f172a;
    --card-bg: #1e293b;
    --card-border: #334155;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --primary: #38bdf8;
    --red: #ef4444;
    --yellow: #f59e0b;
    --green: #10b981;
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: 'Inter', system-ui, -apple-system, sans-serif; }
body { background-color: var(--bg-dark); color: var(--text-main); padding: 12px; min-height: 100vh; }

.app-container { max-width: 1300px; margin: 0 auto; }

/* Navbar Mobile & Desktop */
.navbar { display: flex; justify-content: space-between; align-items: center; background: var(--card-bg); padding: 16px 20px; border-radius: 14px; border: 1px solid var(--card-border); margin-bottom: 20px; flex-wrap: wrap; gap: 12px; }
.logo-area { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.shield-icon { font-size: 1.5rem; }
.logo-area h2 { font-size: 1.25rem; font-weight: 700; color: var(--text-main); }
.badge-vps { background: rgba(56, 189, 248, 0.15); color: var(--primary); font-size: 0.72rem; padding: 4px 10px; border-radius: 20px; border: 1px solid rgba(56, 189, 248, 0.3); white-space: nowrap; }

.badge-live-pulse { background: rgba(16, 185, 129, 0.15); color: var(--green); font-size: 0.72rem; padding: 4px 10px; border-radius: 20px; border: 1px solid var(--green); display: flex; align-items: center; gap: 6px; font-weight: 600; white-space: nowrap; }
.pulse-dot { width: 6px; height: 6px; background: var(--green); border-radius: 50%; box-shadow: 0 0 8px var(--green); animation: pulse 1.5s infinite; }
@keyframes pulse { 0% { opacity: 1; transform: scale(1); } 50% { opacity: 0.4; transform: scale(1.3); } 100% { opacity: 1; transform: scale(1); } }

.nav-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.btn-logout { background: rgba(239, 68, 68, 0.2); color: var(--red); border: 1px solid var(--red); padding: 8px 14px; border-radius: 10px; font-size: 0.8rem; font-weight: 600; text-decoration: none; transition: 0.2s; white-space: nowrap; }
.btn-logout:hover { background: var(--red); color: #fff; }

.status-pill { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 0.8rem; padding: 6px 14px; border-radius: 20px; white-space: nowrap; }
.status-pill.online { background: rgba(16, 185, 129, 0.15); color: var(--green); border: 1px solid var(--green); }
.status-pill.stale { background: rgba(245, 158, 11, 0.15); color: var(--yellow); border: 1px solid var(--yellow); }
.status-pill.offline { background: rgba(239, 68, 68, 0.15); color: var(--red); border: 1px solid var(--red); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; display: inline-block; flex-shrink: 0; }

/* Login Page Styling */
.login-body { display: flex; align-items: center; justify-content: center; background: radial-gradient(circle at top, #1e293b, #0f172a); min-height: 100vh; padding: 16px; }
.login-card { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 20px; width: 100%; max-width: 420px; padding: 28px 24px; box-shadow: 0 20px 40px rgba(0,0,0,0.5); }
.login-header { text-align: center; margin-bottom: 24px; }
.login-icon { font-size: 3rem; display: inline-block; margin-bottom: 8px; }
.login-header h2 { font-size: 1.35rem; font-weight: 700; color: var(--text-main); margin-bottom: 4px; }
.login-header p { font-size: 0.82rem; color: var(--text-muted); }

.alert-error { background: rgba(239, 68, 68, 0.2); border: 1px solid var(--red); color: var(--red); padding: 10px 14px; border-radius: 10px; font-size: 0.85rem; font-weight: 600; margin-bottom: 20px; text-align: center; }

.login-form { display: flex; flex-direction: column; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; text-align: left; }
.form-group label { font-size: 0.82rem; font-weight: 600; color: var(--text-muted); }
.form-group input { background: #0f172a; border: 1px solid var(--card-border); color: #fff; padding: 12px 14px; border-radius: 10px; font-size: 0.95rem; outline: none; transition: 0.2s; width: 100%; }
.form-group input:focus { border-color: var(--primary); box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.2); }

.btn-login { background: var(--primary); color: #000; font-weight: 700; border: none; padding: 14px; border-radius: 10px; font-size: 1rem; cursor: pointer; transition: 0.2s; margin-top: 8px; width: 100%; }
.btn-login:hover { background: #0284c7; color: #fff; }
.login-footer { margin-top: 24px; text-align: center; font-size: 0.75rem; color: var(--text-muted); }

/* Dashboard UI Layout */
.grid-summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin-bottom: 20px; }
.card { background: var(--card-bg); padding: 18px; border-radius: 14px; border: 1px solid var(--card-border); }
.card-title { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 6px; font-weight: 600; }
.card-value { font-size: 1.6rem; font-weight: 700; margin-bottom: 4px; }
.card-desc { font-size: 0.75rem; color: var(--text-muted); }

.panel { background: var(--card-bg); border-radius: 14px; border: 1px solid var(--card-border); padding: 18px; margin-bottom: 20px; }
.panel-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; flex-wrap: wrap; gap: 12px; }
.panel-header h3 { font-size: 1.1rem; font-weight: 700; }

.controls-group { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; width: 100%; justify-content: space-between; }
.date-filter-box { display: flex; align-items: center; gap: 8px; font-size: 0.82rem; color: var(--text-muted); flex-wrap: wrap; }
.select-date { background: #0f172a; color: var(--primary); border: 1px solid var(--card-border); padding: 8px 12px; border-radius: 10px; font-size: 0.85rem; font-weight: 600; cursor: pointer; max-width: 100%; }

.filters { display: flex; gap: 6px; flex-wrap: wrap; }
.btn-filter { color: var(--text-muted); text-decoration: none; padding: 8px 12px; border-radius: 10px; font-size: 0.78rem; border: 1px solid var(--card-border); background: #0f172a; cursor: pointer; white-space: nowrap; font-weight: 500; }
.btn-filter.active { background: var(--primary); color: #000; font-weight: 700; border-color: var(--primary); }

/* Table Styling for Desktop */
.table-responsive { width: 100%; }
.data-table { width: 100%; border-collapse: collapse; text-align: left; font-size: 0.82rem; }
.data-table th, .data-table td { padding: 10px 12px; border-bottom: 1px solid var(--card-border); }
.data-table th { color: var(--text-muted); font-weight: 600; background: #162032; }
.data-table code { background: rgba(0,0,0,0.4); padding: 3px 6px; border-radius: 6px; color: var(--primary); word-break: break-all; font-family: monospace; font-size: 0.8rem; }

.date-divider-row { background: #0f172a; }
.date-divider { color: var(--primary); font-weight: 700; font-size: 0.85rem; padding: 10px 12px; border-top: 2px solid var(--primary); border-bottom: 1px solid var(--card-border); }

.badge { display: inline-block; padding: 4px 8px; border-radius: 6px; font-size: 0.72rem; font-weight: 600; white-space: nowrap; }
.badge-red { background: rgba(239, 68, 68, 0.2); color: var(--red); }
.badge-yellow { background: rgba(245, 158, 11, 0.2); color: var(--yellow); }
.badge-green { background: rgba(16, 185, 129, 0.2); color: var(--green); }
.tag-pill { background: #334155; padding: 3px 8px; border-radius: 10px; font-size: 0.72rem; color: var(--text-main); white-space: nowrap; }

.form-inline { display: flex; gap: 6px; align-items: center; }
.input-fine { width: 75px; padding: 6px; background: #0f172a; border: 1px solid var(--card-border); color: #fff; border-radius: 6px; font-size: 0.8rem; }
.btn-denda, .btn-pay, .btn-signal { background: var(--red); color: #fff; border: none; padding: 6px 12px; border-radius: 8px; font-size: 0.75rem; cursor: pointer; font-weight: 600; white-space: nowrap; }
.btn-pay { background: var(--green); color: #000; }
.btn-signal { background: var(--yellow); color: #000; }
.empty-cell { text-align: center; color: var(--text-muted); padding: 24px; }

/* REVOLUTIONARY NATIVE MOBILE CARD FEED LAYOUT FOR HP SCREEN (< 700px) */
@media (max-width: 700px) {
    body { padding: 6px; }
    .navbar { padding: 12px 14px; flex-direction: column; align-items: flex-start; gap: 10px; }
    .logo-area { width: 100%; justify-content: space-between; }
    .logo-area h2 { font-size: 1.1rem; }
    .nav-actions { width: 100%; justify-content: space-between; }
    
    .grid-summary { grid-template-columns: 1fr 1fr; gap: 8px; }
    .card { padding: 12px; }
    .card-value { font-size: 1.3rem; }
    .card-title { font-size: 0.75rem; }
    
    .panel { padding: 12px; border-radius: 12px; }
    .panel-header h3 { font-size: 0.95rem; }
    .controls-group { flex-direction: column; align-items: stretch; gap: 10px; }
    .date-filter-box { width: 100%; }
    .select-date { width: 100%; }
    .filters { width: 100%; display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
    .btn-filter { text-align: center; }

    /* Hide desktop table header on mobile */
    .data-table thead { display: none; }
    
    .data-table, .data-table tbody, .data-table tr, .data-table td {
        display: block;
        width: 100%;
    }
    
    /* Transform each table row into a mobile card */
    .data-table tr:not(.date-divider-row) {
        background: #141e30;
        border: 1px solid var(--card-border);
        border-radius: 12px;
        margin-bottom: 10px;
        padding: 12px;
        box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    }

    .data-table tr.date-divider-row {
        background: transparent;
        margin: 12px 0 6px 0;
    }
    .data-table tr.date-divider-row td {
        background: #0f172a;
        border-radius: 8px;
        padding: 8px 10px;
    }
    
    .data-table td {
        padding: 4px 0;
        border-bottom: none;
        white-space: normal;
        word-break: break-word;
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-size: 0.82rem;
    }

    .data-table td.time-cell {
        color: var(--text-muted);
        font-size: 0.75rem;
    }
    
    .data-table td.domain-cell {
        margin: 4px 0;
        display: block;
    }
    
    .data-table td.domain-cell code {
        font-size: 0.88rem;
        font-weight: 600;
        word-break: break-all;
        display: block;
        padding: 6px 8px;
        background: rgba(0,0,0,0.5);
    }
    
    .data-table td.reason-cell {
        color: var(--text-muted);
        font-size: 0.78rem;
        margin-bottom: 6px;
    }

    .form-inline {
        width: 100%;
        justify-content: space-between;
        gap: 8px;
        margin-top: 6px;
        background: rgba(0,0,0,0.2);
        padding: 8px;
        border-radius: 8px;
    }
    .input-fine {
        width: 90px;
        padding: 8px;
        font-size: 0.85rem;
    }
    .btn-denda, .btn-pay, .btn-signal {
        flex: 1;
        padding: 8px;
        font-size: 0.8rem;
        text-align: center;
    }
}