/* =====================================================================
   TEMA: "Sinyal" — gelap/teknologi untuk toko eSIM
   Base indigo-hitam, aksen sinyal cyan→magenta. Mono untuk data.
   ===================================================================== */
:root {
    --bg:        #0a0b14;   /* indigo-hitam */
    --bg-2:      #10121f;   /* panel */
    --bg-3:      #171a2b;   /* kartu */
    --line:      #232741;
    --text:      #e6e8f2;
    --muted:     #8b90ad;
    --cyan:      #3ee6d0;   /* aksen utama (sinyal) */
    --magenta:   #b06cff;   /* aksen kedua */
    --danger:    #ff6b7a;
    --ok:        #3ee6a0;
    --warn:      #ffce6b;
    --radius:    14px;
    --grad: linear-gradient(120deg, var(--cyan), var(--magenta));
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    /* Latar bintik sinyal halus */
    background-image:
        radial-gradient(circle at 12% 18%, rgba(62,230,208,.06), transparent 40%),
        radial-gradient(circle at 88% 8%, rgba(176,108,255,.07), transparent 42%);
    background-attachment: fixed;
}

.mono { font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace; }

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 960px; margin: 0 auto; padding: 0 20px; }

/* ---- Header ---- */
.site-header {
    border-bottom: 1px solid var(--line);
    background: rgba(10,11,20,.85);
    backdrop-filter: blur(8px);
    position: sticky; top: 0; z-index: 20;
}
.site-header .wrap {
    display: flex; align-items: center; justify-content: space-between;
    height: 64px;
}
.brand {
    font-weight: 800; font-size: 20px; letter-spacing: .5px;
    display: flex; align-items: center; gap: 10px;
}
.brand .dot {
    width: 10px; height: 10px; border-radius: 50%;
    background: var(--grad);
    box-shadow: 0 0 10px var(--cyan);
    animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.4} }
.brand b { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav a { color: var(--muted); margin-left: 18px; font-size: 14px; }
.nav a:hover { color: var(--text); text-decoration: none; }

/* ---- Hero ---- */
.hero { padding: 64px 0 40px; text-align: center; }
.hero h1 { font-size: 40px; line-height: 1.15; margin: 0 0 14px; letter-spacing: -.5px; }
.hero h1 span { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { color: var(--muted); font-size: 18px; max-width: 560px; margin: 0 auto; }

/* ---- Kartu produk ---- */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.card {
    background: var(--bg-3);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 24px;
    position: relative;
    overflow: hidden;
    transition: border-color .2s, transform .2s;
}
.card:hover { border-color: var(--cyan); transform: translateY(-2px); }
.card::before {
    content: ""; position: absolute; inset: 0 0 auto 0; height: 2px; background: var(--grad);
    opacity: .7;
}
.card h3 { margin: 0 0 6px; font-size: 19px; }
.card .desc { color: var(--muted); font-size: 14px; min-height: 40px; }
.card .harga { font-size: 26px; font-weight: 800; margin: 14px 0 4px; }
.badge {
    display: inline-block; font-size: 12px; padding: 3px 10px; border-radius: 20px;
    font-weight: 600;
}
.badge.ada { background: rgba(62,230,160,.12); color: var(--ok); }
.badge.habis { background: rgba(255,107,122,.12); color: var(--danger); }
.badge.dikit { background: rgba(255,206,107,.12); color: var(--warn); }

/* ---- Tombol ---- */
.btn {
    display: inline-block; cursor: pointer;
    background: var(--grad); color: #08131a; font-weight: 700;
    border: 0; border-radius: 10px; padding: 12px 22px; font-size: 15px;
    text-align: center; transition: opacity .2s, transform .1s;
}
.btn:hover { opacity: .9; text-decoration: none; }
.btn:active { transform: scale(.98); }
.btn.full { width: 100%; }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.btn.ghost:hover { border-color: var(--cyan); }
.btn:disabled { opacity: .4; cursor: not-allowed; }

/* ---- Panel / form ---- */
.panel {
    background: var(--bg-2); border: 1px solid var(--line);
    border-radius: var(--radius); padding: 28px; margin: 24px 0;
}
label { display: block; font-size: 14px; color: var(--muted); margin: 14px 0 6px; }
input[type=text], input[type=email], input[type=number], input[type=password], select, textarea {
    width: 100%; background: var(--bg); color: var(--text);
    border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; font-size: 15px;
    font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--cyan); }
.qty-row { display: flex; align-items: center; gap: 12px; }
.qty-row input { width: 80px; text-align: center; }

/* ---- Ringkasan pembayaran ---- */
.ringkas { border-top: 1px dashed var(--line); margin-top: 18px; padding-top: 16px; }
.ringkas .baris { display: flex; justify-content: space-between; margin: 6px 0; color: var(--muted); }
.ringkas .total { color: var(--text); font-weight: 800; font-size: 20px; border-top: 1px solid var(--line); padding-top: 12px; margin-top: 10px; }

/* ---- QR ---- */
.qr-box { text-align: center; }
.qr-box img { width: 260px; max-width: 80%; background: #fff; padding: 12px; border-radius: 12px; }
.qr-amount { font-size: 30px; font-weight: 800; margin: 16px 0 4px; }
.countdown { color: var(--warn); font-weight: 600; }

/* ---- Kode terkirim ---- */
.kode-item {
    background: var(--bg); border: 1px solid var(--line); border-radius: 10px;
    padding: 14px; margin: 8px 0; font-family: "JetBrains Mono", monospace;
    display: flex; justify-content: space-between; align-items: center; gap: 10px;
    word-break: break-all;
}

/* ---- Alert / flash ---- */
.alert { padding: 12px 16px; border-radius: 10px; margin: 14px 0; font-size: 14px; border: 1px solid; }
.alert.ok { background: rgba(62,230,160,.08); border-color: rgba(62,230,160,.3); color: var(--ok); }
.alert.err { background: rgba(255,107,122,.08); border-color: rgba(255,107,122,.3); color: var(--danger); }
.alert.info { background: rgba(62,230,208,.08); border-color: rgba(62,230,208,.3); color: var(--cyan); }
.alert.warn { background: rgba(255,206,107,.08); border-color: rgba(255,206,107,.3); color: var(--warn); }

/* ---- Konten legal ---- */
.prose { max-width: 720px; }
.prose h1 { font-size: 30px; margin-bottom: 6px; }
.prose h2 { font-size: 20px; margin-top: 30px; color: var(--cyan); }
.prose p, .prose li { color: #c7cad9; }
.prose .updated { color: var(--muted); font-size: 13px; }

/* ---- Tabel admin ---- */
table.data { width: 100%; border-collapse: collapse; font-size: 14px; margin: 16px 0; }
table.data th, table.data td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
table.data th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .5px; }
table.data tr:hover td { background: var(--bg-3); }
.pill { font-size: 12px; padding: 2px 9px; border-radius: 20px; font-weight: 600; }
.pill.paid { background: rgba(62,230,160,.12); color: var(--ok); }
.pill.pending { background: rgba(255,206,107,.12); color: var(--warn); }
.pill.expired, .pill.canceled { background: rgba(139,144,173,.15); color: var(--muted); }

/* ---- Footer ---- */
.site-footer { border-top: 1px solid var(--line); margin-top: 60px; padding: 30px 0; color: var(--muted); font-size: 14px; }
.site-footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 14px; }
.site-footer a { color: var(--muted); margin-right: 16px; }
.site-footer a:hover { color: var(--cyan); }

/* ---- Statistik admin ---- */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px,1fr)); gap: 16px; margin: 20px 0; }
.stat { background: var(--bg-3); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.stat .n { font-size: 26px; font-weight: 800; }
.stat .l { color: var(--muted); font-size: 13px; }

/* ---- Responsif ---- */
@media (max-width: 600px) {
    .hero h1 { font-size: 30px; }
    .site-header .wrap { height: 56px; }
    .nav a { margin-left: 12px; font-size: 13px; }
    .panel { padding: 20px; }
}

/* Hormati preferensi gerak minimal */
@media (prefers-reduced-motion: reduce) {
    .brand .dot { animation: none; }
    * { transition: none !important; }
}