:root {
    --bg: #f4f1ea;
    --ink: #171717;
    --muted: #68645b;
    --line: #d8d1c5;
    --panel: #fffdf8;
    --panel-strong: #f9efe1;
    --accent: #106c5b;
    --accent-dark: #0b493e;
    --danger: #9a2d20;
    --agent: #e8f2ef;
    --visitor: #fff7e8;
    --shadow: 0 18px 48px rgba(52, 43, 31, 0.12);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background:
        linear-gradient(90deg, rgba(23, 23, 23, 0.035) 1px, transparent 1px),
        linear-gradient(180deg, rgba(23, 23, 23, 0.035) 1px, transparent 1px),
        var(--bg);
    background-size: 28px 28px;
    color: var(--ink);
    font-family: ui-serif, Georgia, Cambria, "Times New Roman", serif;
}

button,
input {
    font: inherit;
}

a {
    color: var(--accent-dark);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

.topbar {
    align-items: center;
    background: rgba(255, 253, 248, 0.92);
    border-bottom: 1px solid var(--line);
    display: flex;
    justify-content: space-between;
    min-height: 64px;
    padding: 0 28px;
    position: sticky;
    top: 0;
    z-index: 2;
}

.brand {
    color: var(--ink);
    font-size: 20px;
    font-weight: 700;
    text-decoration: none;
}

.app-shell {
    margin: 0 auto;
    max-width: 1180px;
    padding: 32px 28px 56px;
}

.login-shell {
    align-items: center;
    display: grid;
    min-height: 100vh;
    padding: 24px;
}

.login-card,
.panel,
.metrics > div {
    background: var(--panel);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.login-card {
    border-radius: 8px;
    margin: 0 auto;
    max-width: 440px;
    padding: 34px;
    width: 100%;
}

.eyebrow {
    color: var(--accent);
    font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0;
    margin: 0 0 8px;
    text-transform: uppercase;
}

h1 {
    font-size: 42px;
    line-height: 1.02;
    margin: 0;
}

.muted,
.empty {
    color: var(--muted);
}

.login-form,
.date-form {
    display: grid;
    gap: 10px;
}

.login-form {
    margin-top: 26px;
}

label {
    color: var(--muted);
    font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 13px;
    font-weight: 700;
}

input {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 6px;
    color: var(--ink);
    min-height: 42px;
    padding: 8px 11px;
}

button {
    background: var(--accent);
    border: 1px solid var(--accent);
    border-radius: 6px;
    color: #fff;
    cursor: pointer;
    font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-weight: 800;
    min-height: 42px;
    padding: 9px 14px;
}

button:hover {
    background: var(--accent-dark);
}

.link-button {
    background: transparent;
    border: 0;
    color: var(--accent-dark);
    min-height: auto;
    padding: 0;
}

.alert {
    background: #fff3ef;
    border: 1px solid #efb5aa;
    border-radius: 6px;
    color: var(--danger);
    margin-top: 18px;
    padding: 11px 13px;
}

.toolbar {
    align-items: end;
    display: flex;
    gap: 20px;
    justify-content: space-between;
    margin-bottom: 22px;
}

.date-form {
    align-items: end;
    display: grid;
    grid-template-columns: auto auto;
}

.date-form label {
    grid-column: 1 / -1;
}

.metrics {
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-bottom: 18px;
}

.metrics > div {
    border-radius: 8px;
    padding: 18px 20px;
}

.metrics span {
    color: var(--muted);
    display: block;
    font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 12px;
    font-weight: 800;
    margin-bottom: 6px;
    text-transform: uppercase;
}

.metrics strong {
    font-size: 32px;
}

.panel {
    border-radius: 8px;
    overflow: hidden;
}

table {
    border-collapse: collapse;
    width: 100%;
}

th,
td {
    border-bottom: 1px solid var(--line);
    padding: 13px 15px;
    text-align: left;
    vertical-align: top;
}

th {
    background: var(--panel-strong);
    color: var(--muted);
    font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 12px;
    text-transform: uppercase;
}

td {
    font-size: 15px;
}

tr:last-child td {
    border-bottom: 0;
}

.numeric {
    text-align: right;
}

.agent-counts {
    margin-bottom: 18px;
    padding: 18px 20px;
}

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

.panel-heading span {
    color: var(--ink);
    font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
}

.panel-heading small {
    color: var(--muted);
    font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 12px;
}

.agent-count-grid {
    display: grid;
    gap: 10px;
}

.agent-count-row {
    align-items: center;
    display: grid;
    gap: 12px;
    grid-template-columns: minmax(110px, 170px) 1fr 48px;
}

.agent-count-row span,
.agent-count-row strong {
    font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 14px;
    font-weight: 800;
}

.agent-count-row strong {
    text-align: right;
}

.agent-count-bar {
    background: #eee6da;
    border-radius: 999px;
    height: 12px;
    overflow: hidden;
}

.agent-count-bar i {
    background: var(--accent);
    border-radius: inherit;
    display: block;
    height: 100%;
}

.transcript-summary {
    margin-bottom: 22px;
    padding: 20px;
}

dl {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin: 0;
}

dt {
    color: var(--muted);
    font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 12px;
    font-weight: 800;
    margin-bottom: 4px;
    text-transform: uppercase;
}

dd {
    margin: 0;
    overflow-wrap: anywhere;
}

.conversation {
    display: grid;
    gap: 18px;
}

.transcript-thread {
    background: #fff;
    border: 1px solid #e8dfd2;
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 22px;
}

.message {
    border: 1px solid var(--line);
    border-radius: 8px;
    max-width: 760px;
    padding: 16px 18px;
}

.message.agent {
    background: var(--agent);
    margin-left: auto;
}

.message.visitor {
    background: var(--visitor);
}

.message-meta {
    align-items: baseline;
    display: flex;
    gap: 12px;
    justify-content: space-between;
    margin-bottom: 8px;
}

.message-meta span {
    color: var(--muted);
    font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 12px;
}

.message p {
    line-height: 1.45;
    margin: 0;
    overflow-wrap: anywhere;
}

@media (max-width: 760px) {
    .topbar,
    .toolbar {
        align-items: stretch;
        flex-direction: column;
    }

    .topbar {
        padding: 16px 20px;
    }

    .app-shell {
        padding: 24px 16px 42px;
    }

    h1 {
        font-size: 34px;
    }

    .metrics,
    dl {
        grid-template-columns: 1fr;
    }

    .panel-heading {
        align-items: stretch;
        flex-direction: column;
        gap: 4px;
    }

    .agent-count-row {
        grid-template-columns: 90px 1fr 38px;
    }

    .panel {
        overflow-x: auto;
    }

    table {
        min-width: 760px;
    }

    .message {
        max-width: 100%;
    }

    .transcript-thread {
        padding: 14px;
    }
}