:root {
    --bg: #f3f5f7;
    --panel: #ffffff;
    --text: #172033;
    --muted: #697386;
    --border: #d8dee8;
    --primary: #253858;
    --primary-soft: #e8eef7;
    --accent: #237b63;
    --danger: #b42318;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "Segoe UI", Arial, sans-serif;
}

.login-body {
    min-height: 100vh;
    display: grid;
    place-items: center;
    background: #eef2f6;
}

.login-shell {
    width: min(440px, calc(100vw - 32px));
}

.login-panel,
.panel,
.metrics-grid article,
.machine-card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
}

.login-panel {
    padding: 28px;
}

.brand-block {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 26px;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 56px;
    height: 56px;
    border-radius: 8px;
    background: var(--primary);
    color: #fff;
    font-weight: 800;
}

h1,
h2,
p {
    margin: 0;
}

h1 {
    font-size: 26px;
}

h2 {
    font-size: 18px;
}

p,
.eyebrow,
.panel-header p,
.metrics-grid span {
    color: var(--muted);
}

.eyebrow {
    font-size: 13px;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0;
}

.login-form {
    display: grid;
    gap: 16px;
}

label {
    display: grid;
    gap: 6px;
    font-weight: 700;
}

input,
button,
a {
    font: inherit;
}

input {
    height: 44px;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0 12px;
}

button,
.topbar a {
    border: 0;
    border-radius: 6px;
    background: var(--primary);
    color: #fff;
    padding: 10px 14px;
    text-decoration: none;
    cursor: pointer;
    font-weight: 700;
}

.period-tabs {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.period-tabs button {
    background: var(--primary-soft);
    color: var(--primary);
}

.period-tabs button.active {
    background: var(--primary);
    color: #fff;
}

.alert {
    margin-bottom: 16px;
    padding: 10px 12px;
    border-radius: 6px;
    background: #fdecec;
    color: var(--danger);
    font-weight: 700;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    padding: 10px 24px;
    background: #fff;
    border-bottom: 1px solid var(--border);
}

.client-heading {
    display: flex;
    align-items: center;
    min-width: 0;
    gap: 12px;
}

.topbar img.client-logo,
.client-logo {
    width: 152px;
    height: 48px;
    max-width: 152px;
    max-height: 48px;
    object-fit: contain;
    object-position: left center;
    flex: 0 0 auto;
    display: block;
}

.topbar nav {
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--muted);
}

.topbar img.src-logo,
.src-logo {
    width: 118px;
    height: 40px;
    max-width: 118px;
    max-height: 40px;
    object-fit: contain;
    flex: 0 0 auto;
    display: block;
}

.dashboard {
    padding: 18px 24px 28px;
    display: grid;
    gap: 16px;
}

.machine-strip {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 12px;
}

.machine-card {
    padding: 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.machine-card strong {
    display: block;
}

.machine-card span {
    color: var(--muted);
    font-size: 13px;
}

.status-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #c4ccd8;
    flex: 0 0 auto;
}

.status-dot.online {
    background: var(--accent);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(130px, 1fr));
    gap: 12px;
}

.metrics-grid article {
    padding: 16px;
}

.metrics-grid strong {
    display: block;
    margin-top: 8px;
    font-size: 30px;
}

.content-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(420px, .9fr);
    gap: 16px;
}

.panel {
    min-width: 0;
    padding: 16px;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    gap: 14px;
    margin-bottom: 12px;
}

#production-chart {
    width: 100%;
    border-top: 1px solid var(--border);
    padding-top: 10px;
}

.table-wrap {
    overflow: auto;
    max-height: 420px;
    border: 1px solid var(--border);
    border-radius: 6px;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 760px;
}

th,
td {
    padding: 10px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    font-size: 14px;
}

th {
    background: #eef2f6;
    color: #3b4558;
    position: sticky;
    top: 0;
}

td {
    background: #fff;
}

@media (max-width: 1100px) {
    .metrics-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .content-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .topbar {
        align-items: flex-start;
        flex-direction: column;
    }

    .client-heading {
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
    }

    .topbar img.client-logo,
    .client-logo {
        width: 150px;
        height: 48px;
        max-width: 150px;
        max-height: 48px;
    }

    .topbar nav {
        width: 100%;
        justify-content: space-between;
        flex-wrap: wrap;
    }

    .topbar img.src-logo,
    .src-logo {
        order: -1;
        width: 112px;
        height: 38px;
        max-width: 112px;
        max-height: 38px;
    }

    .dashboard {
        padding: 14px;
    }

    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .panel-header {
        flex-direction: column;
    }
}