:root {
    color-scheme: dark;
    --bg: #101624;
    --panel: #172033;
    --panel-2: #1d2a43;
    --text: #f4f8ff;
    --muted: #9fb0ca;
    --line: rgba(255, 255, 255, 0.1);
    --primary: #41a5ff;
    --accent: #49dfc2;
    --success: #4ade80;
    --warning: #facc15;
    --danger: #fb7185;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background:
        radial-gradient(900px 420px at 0% 0%, rgba(65, 165, 255, 0.26), transparent 60%),
        radial-gradient(720px 380px at 100% 0%, rgba(73, 223, 194, 0.18), transparent 55%),
        var(--bg);
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a { color: inherit; text-decoration: none; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 16px clamp(16px, 4vw, 48px);
    border-bottom: 1px solid var(--line);
    background: rgba(16, 22, 36, 0.82);
    backdrop-filter: blur(16px);
}

.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; }
.brand span span, .gradient { color: var(--accent); }
.brand-mark { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 8px; background: linear-gradient(135deg, var(--primary), var(--accent)); color: #07111d; }

.nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; font-size: 14px; }
.nav a { padding: 8px 10px; border-radius: 8px; color: var(--muted); }
.nav a:hover, .nav .active { background: rgba(255, 255, 255, 0.08); color: var(--text); }

.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; padding: 34px 0; }
.narrow { width: min(760px, calc(100% - 32px)); }
.hero { min-height: 62vh; display: grid; align-items: center; text-align: center; }
.hero h1 { margin: 0 auto; max-width: 820px; font-size: clamp(42px, 7vw, 72px); line-height: 1; letter-spacing: 0; }
.hero p { max-width: 640px; margin: 18px auto 0; color: var(--muted); font-size: 18px; }

.actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 28px; }
.button, button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 10px 16px;
    border: 0;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #07111d;
    font-weight: 800;
    cursor: pointer;
}
.button.secondary, button.secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--line); }
.button.danger, button.danger { background: var(--danger); color: #22030a; }
.button.small, button.small { min-height: 32px; padding: 7px 10px; font-size: 12px; }

.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(23, 32, 51, 0.88);
    padding: 20px;
}
.card h2, .card h3 { margin: 0 0 8px; letter-spacing: 0; }
.muted { color: var(--muted); }
.section-title { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; margin: 26px 0 12px; }
.section-title h1, .section-title h2 { margin: 0; letter-spacing: 0; }

form.stack, .stack { display: grid; gap: 14px; }
label { display: grid; gap: 6px; color: var(--muted); font-size: 13px; font-weight: 700; }
input, select, textarea {
    width: 100%;
    min-height: 40px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.06);
    color: var(--text);
    padding: 9px 11px;
    font: inherit;
}
textarea { min-height: 96px; resize: vertical; }

.auth-card {
    width: min(450px, 100%);
    margin: 0 auto;
}

.auth-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
    margin-bottom: 18px;
    padding: 4px;
    border-radius: 8px;
    background: var(--panel-2);
}

.auth-tab {
    min-height: 34px;
    padding: 8px 10px;
    background: transparent;
    color: var(--muted);
    border-radius: 8px;
}

.auth-tab.active {
    background: rgba(5, 10, 18, 0.62);
    color: var(--text);
}

.auth-panel { display: none; }
.auth-panel.active { display: block; }

.password-field {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 8px;
}

.password-field input { min-width: 0; }
.password-field .password-toggle {
    min-height: 40px;
    padding: 9px 12px;
    background: var(--panel-2);
    color: var(--text);
    border: 1px solid var(--line);
}

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; background: rgba(23, 32, 51, 0.88); }
table { width: 100%; border-collapse: collapse; min-width: 720px; }
th, td { padding: 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
tr:last-child td { border-bottom: 0; }

.pill { display: inline-flex; align-items: center; border-radius: 999px; padding: 5px 9px; font-size: 12px; font-weight: 800; }
.network-mtn { background: #f6d747; color: #201800; }
.network-telecel { background: #e5484d; color: #fff; }
.network-airteltigo { background: linear-gradient(180deg, #294984 0 56%, #f5222d 56% 100%); color: #fff; }
.status-pending { background: rgba(250, 204, 21, 0.18); color: var(--warning); }
.status-processing { background: rgba(65, 165, 255, 0.18); color: var(--primary); }
.status-delivered { background: rgba(74, 222, 128, 0.18); color: var(--success); }
.status-cancelled { background: rgba(251, 113, 133, 0.18); color: var(--danger); }

.order-card { display: grid; gap: 18px; }
.tracker { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; color: var(--muted); font-size: 12px; }
.tracker span { border-top: 3px solid var(--line); padding-top: 8px; }
.tracker .done { border-color: var(--primary); color: var(--text); }

.flash {
    width: min(1120px, calc(100% - 32px));
    margin: 18px auto 0;
    padding: 12px 14px;
    border-radius: 8px;
    border: 1px solid var(--line);
    background: var(--panel);
}
.flash.success { border-color: rgba(74, 222, 128, 0.35); color: var(--success); }
.flash.error { border-color: rgba(251, 113, 133, 0.45); color: var(--danger); }

.receipt-modal[hidden] { display: none; }
.receipt-modal {
    position: fixed;
    inset: 0;
    z-index: 40;
    display: grid;
    place-items: center;
    padding: 18px;
    background: rgba(5, 10, 18, 0.76);
    backdrop-filter: blur(12px);
}
.receipt-card {
    width: min(460px, 100%);
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
    padding: 20px;
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.42);
}
.receipt-head {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--line);
}
.receipt-head span { color: var(--accent); font-size: 12px; font-weight: 800; text-transform: uppercase; }
.receipt-head h2 { margin: 3px 0 0; }
.receipt-head strong { align-self: flex-start; border-radius: 999px; padding: 5px 9px; background: rgba(74, 222, 128, 0.16); color: var(--success); }
.receipt-lines { display: grid; gap: 10px; margin: 16px 0; }
.receipt-lines div { display: flex; justify-content: space-between; gap: 16px; }
.receipt-lines dt { color: var(--muted); }
.receipt-lines dd { margin: 0; text-align: right; font-weight: 800; }
.receipt-actions { justify-content: flex-end; margin-top: 18px; }

.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0; }
.tabs a { padding: 9px 12px; border-radius: 8px; background: var(--panel-2); color: var(--muted); }
.tabs a.active { color: var(--text); outline: 1px solid var(--primary); }
.footer { display: grid; gap: 8px; padding: 28px 16px; border-top: 1px solid var(--line); color: var(--muted); text-align: center; font-size: 13px; }
.footer a { color: var(--text); font-weight: 800; }
.footer a:hover { color: var(--accent); }
.policy-list { display: grid; gap: 14px; margin: 0; padding-left: 20px; color: var(--muted); }
.policy-list strong { color: var(--text); }

.chat-shell {
    width: min(1180px, calc(100% - 24px));
    height: calc(100vh - 98px);
    margin: 12px auto 24px;
    display: grid;
    grid-template-columns: 310px 1fr;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
}

.chat-sidebar {
    border-right: 1px solid var(--line);
    background: rgba(23, 32, 51, 0.92);
    overflow-y: auto;
}

.chat-sidebar-head {
    padding: 16px;
    border-bottom: 1px solid var(--line);
}

.chat-sidebar-head h1 { margin: 0; font-size: 20px; }
.chat-sidebar-head p { margin: 6px 0 0; color: var(--muted); font-size: 12px; }

.chat-contact {
    display: grid;
    gap: 4px;
    padding: 13px 16px;
    border-bottom: 1px solid var(--line);
}

.chat-contact span { color: var(--muted); font-size: 12px; }
.chat-contact:hover, .chat-contact.active { background: rgba(255, 255, 255, 0.06); }

.chat-panel {
    min-width: 0;
    display: flex;
    flex-direction: column;
    background:
        radial-gradient(circle at 20% 10%, rgba(73, 223, 194, 0.08), transparent 30%),
        rgba(16, 22, 36, 0.96);
}

.chat-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-bottom: 1px solid var(--line);
    background: rgba(23, 32, 51, 0.92);
}

.chat-top p { margin: 3px 0 0; color: var(--muted); font-size: 12px; }
.chat-top span { border-radius: 999px; padding: 5px 9px; background: rgba(74, 222, 128, 0.14); color: var(--success); font-size: 12px; font-weight: 800; }

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 18px;
}

.chat-empty {
    width: min(380px, 100%);
    margin: 42px auto;
    padding: 16px;
    border-radius: 8px;
    background: rgba(23, 32, 51, 0.88);
    color: var(--muted);
    text-align: center;
    font-size: 14px;
}

.chat-row { display: flex; justify-content: flex-start; margin-bottom: 10px; }
.chat-row.own { justify-content: flex-end; }

.chat-bubble {
    max-width: min(72%, 560px);
    padding: 9px 11px;
    border-radius: 16px 16px 16px 4px;
    background: var(--panel);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.16);
}

.chat-bubble.own {
    border-radius: 16px 16px 4px 16px;
    background: #075e54;
    color: #fff;
}

.chat-bubble p { margin: 0; white-space: pre-wrap; }
.chat-bubble time { display: block; margin-top: 4px; text-align: right; color: rgba(255, 255, 255, 0.64); font-size: 10px; }
.chat-bubble img { display: block; max-width: 100%; max-height: 260px; margin-bottom: 8px; border-radius: 8px; object-fit: cover; }

.chat-package {
    display: grid;
    gap: 3px;
    margin-bottom: 8px;
    padding: 8px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    font-size: 12px;
}

.chat-compose {
    padding: 12px;
    border-top: 1px solid var(--line);
    background: rgba(23, 32, 51, 0.92);
}

.chat-compose select { margin-bottom: 8px; }
.chat-compose-row { display: flex; gap: 8px; align-items: center; }
.chat-compose-row input[name="message"] { flex: 1; }

.chat-attach {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    width: auto;
    padding: 9px 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--text);
    cursor: pointer;
}

.chat-attach input { display: none; }
.chat-compose button { background: #25d366; color: #052e22; }

@media (max-width: 780px) {
    .site-header { align-items: flex-start; flex-direction: column; }
    .nav { justify-content: flex-start; }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .hero { text-align: left; min-height: auto; }
    .hero h1, .hero p { margin-left: 0; }
    .actions { justify-content: flex-start; }
    .chat-shell { height: auto; min-height: calc(100vh - 98px); grid-template-columns: 1fr; }
    .chat-sidebar { max-height: 210px; border-right: 0; border-bottom: 1px solid var(--line); }
    .chat-bubble { max-width: 88%; }
    .chat-compose-row { align-items: stretch; flex-direction: column; }
}