:root {
    /* Base brand color — Google blue, matches the chat widget */
    --brand: #4285f4;
    --brand-2: #1a73e8;
    --bg: #f4f5fb;
    --card: #ffffff;
    --text: #1f2330;
    --muted: #8a90a2;
    --border: #e7e9f2;
    --shadow: 0 6px 24px rgba(30, 34, 60, 0.08);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
}

/* ---------------- Login ---------------- */
.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #4285f4, #1558b0);
    padding: 20px;
}
.login-card {
    background: #fff;
    width: 100%;
    max-width: 380px;
    border-radius: 18px;
    padding: 38px 32px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
    text-align: center;
}
.login-logo {
    width: 64px; height: 64px;
    margin: 0 auto 16px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
    color: #fff; font-size: 26px;
}
.login-card h1 { font-size: 22px; margin-bottom: 4px; }
.login-sub { color: var(--muted); font-size: 14px; margin-bottom: 22px; }
.login-card label { display: block; text-align: left; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.login-card input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 15px;
    margin-bottom: 18px;
}
.login-card input:focus { outline: none; border-color: var(--brand); }
.login-card button {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: transform .1s ease, box-shadow .2s ease;
}
.login-card button:hover { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(66, 133, 244, .35); }
.login-error {
    background: #fdecef; color: #c62828;
    padding: 10px; border-radius: 8px; font-size: 13px; margin-bottom: 16px;
}

/* ---------------- Topbar ---------------- */
.topbar {
    height: 62px;
    background: #fff;
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 24px;
    position: sticky; top: 0; z-index: 10;
}
.brand { font-size: 20px; font-weight: 700; color: var(--brand); }
.brand span { color: var(--text); font-weight: 500; }
.topbar-right { display: flex; gap: 10px; align-items: center; }
.ghost-btn {
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text);
    padding: 8px 14px;
    border-radius: 9px;
    font-size: 14px;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex; align-items: center; gap: 7px;
    transition: background .15s ease;
}
.ghost-btn:hover { background: var(--bg); }

/* ---------------- Dashboard ---------------- */
.dash { max-width: 1180px; margin: 0 auto; padding: 24px; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 22px; }
.stat-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 20px;
    display: flex; align-items: center; gap: 16px;
    box-shadow: var(--shadow);
}
.stat-icon {
    width: 52px; height: 52px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 20px;
}
.stat-icon.blue { background: linear-gradient(135deg, #2196f3, #1565c0); }
.stat-icon.green { background: linear-gradient(135deg, #26a69a, #2e7d32); }
.stat-icon.orange { background: linear-gradient(135deg, #ff9800, #f57c00); }
.stat-icon.red { background: linear-gradient(135deg, #ef5350, #c62828); }
.stat-value { font-size: 26px; font-weight: 700; line-height: 1; }
.stat-label { color: var(--muted); font-size: 13px; margin-top: 4px; }

.tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.tab {
    border: 1px solid var(--border);
    background: #fff;
    padding: 10px 18px;
    border-radius: 10px;
    font-size: 14px;
    cursor: pointer;
    color: var(--muted);
    display: inline-flex; align-items: center; gap: 8px;
}
.tab.active { background: var(--brand); color: #fff; border-color: var(--brand); }

.panel-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 18px; }

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: var(--shadow);
    overflow: hidden;
}
.card-head {
    padding: 15px 18px;
    font-weight: 600;
    font-size: 15px;
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; gap: 9px;
    color: var(--brand);
}
.table-scroll { max-height: 62vh; overflow: auto; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 12px 18px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; position: sticky; top: 0; background: #fbfbfe; }
tbody tr { cursor: pointer; transition: background .12s ease; }
tbody tr:hover { background: #eef4fe; }
tbody tr.active { background: #e3edfd; }
.sess-id { font-family: ui-monospace, Menlo, monospace; font-size: 12px; }

.muted { color: var(--muted); }
.center { text-align: center; padding: 30px; }

/* ---------------- Transcript ---------------- */
.transcript { padding: 16px; max-height: 62vh; overflow: auto; }
.bubble {
    max-width: 82%;
    padding: 10px 14px;
    border-radius: 14px;
    margin-bottom: 12px;
    font-size: 14px;
    line-height: 1.5;
    white-space: pre-wrap;
    word-wrap: break-word;
}
.bubble.user { background: var(--brand); color: #fff; margin-left: auto; border-bottom-right-radius: 4px; }
.bubble.assistant { background: #f1f2f8; color: var(--text); border-bottom-left-radius: 4px; }
.bubble .ts { display: block; font-size: 10px; opacity: .6; margin-top: 5px; }
.session-result-images {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(82px, 1fr));
    gap: 8px;
    margin-top: 10px;
}
.session-result-images a {
    display: grid;
    place-items: center;
    min-height: 82px;
    padding: 6px;
    border: 1px solid var(--border);
    border-radius: 9px;
    background: #fff;
}
.session-result-images img { width: 100%; height: 76px; object-fit: contain; }

/* ---------------- Status badges ---------------- */
.badge { padding: 4px 11px; border-radius: 20px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.badge.processing { background: #fff3e0; color: #e65100; }
.badge.shipped { background: #e3f2fd; color: #1565c0; }
.badge.out { background: #ede7f6; color: #5e35b1; }
.badge.delivered { background: #e8f5e9; color: #2e7d32; }
.badge.placed { background: #eceff1; color: #455a64; }

.order-id { font-family: ui-monospace, Menlo, monospace; font-weight: 600; color: var(--brand); }

.settings-card { max-width: 650px; }
.settings-form { padding: 22px; }
.settings-form label { display: block; font-weight: 600; margin-bottom: 7px; }
.settings-form p { font-size: 13px; line-height: 1.5; margin-bottom: 16px; }
.settings-row { display: flex; gap: 10px; align-items: center; }
.settings-row input {
    width: 150px; padding: 11px 12px; border: 1px solid var(--border);
    border-radius: 9px; font-size: 15px;
}
.settings-row input:focus { outline: none; border-color: var(--brand); }
.save-btn {
    border: 0; border-radius: 9px; background: var(--brand); color: #fff;
    padding: 11px 18px; font-weight: 600; cursor: pointer;
}
.settings-status { min-height: 20px; margin-top: 12px; font-size: 13px; }
.settings-status.success { color: #2e7d32; }
.settings-status.error { color: #c62828; }

@media (max-width: 820px) {
    .stats { grid-template-columns: 1fr; }
    .panel-grid { grid-template-columns: 1fr; }
}