* { box-sizing: border-box; }

body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    background: #f5f6f8;
    color: #222;
    line-height: 1.5;
}

header {
    background: #1a3a52;
    color: white;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}
header h1 { margin: 0; font-size: 1.4rem; }
header nav { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
header nav a, header nav button {
    color: white;
    text-decoration: none;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.6);
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
}
header nav a:hover, header nav button:hover { background: rgba(255,255,255,0.1); }
header nav .user-info { font-size: 0.9rem; opacity: 0.85; }
.inline-form { display: inline; margin: 0; }

main { max-width: 1200px; margin: 0 auto; padding: 2rem 1.5rem; }

.flashes { margin-bottom: 1.5rem; }
.flash {
    padding: 0.8rem 1rem;
    margin-bottom: 0.5rem;
    border-radius: 4px;
    border: 1px solid transparent;
}
.flash-error   { background: #fee; color: #900; border-color: #fcc; }
.flash-info    { background: #eef; color: #336; border-color: #ccf; }
.flash-success { background: #efe; color: #060; border-color: #cfc; }
.flash-warning { background: #ffd; color: #850; border-color: #ee8; }

.auth-form {
    max-width: 420px;
    margin: 2rem auto;
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.auth-form h2 { margin-top: 0; }
.auth-form > form > div { margin-bottom: 1rem; }
.auth-form label { display: block; margin-bottom: 0.3rem; font-weight: 600; font-size: 0.95rem; }
.auth-form input {
    width: 100%;
    padding: 0.6rem;
    border: 1px solid #bbb;
    border-radius: 4px;
    font-size: 1rem;
}
.auth-form button {
    width: 100%;
    padding: 0.75rem;
    background: #1a3a52;
    color: white;
    border: 0;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    font-weight: 600;
}
.auth-form button:hover { background: #244a68; }
.auth-form details { margin: 1rem 0; }
.auth-form details code { font-family: ui-monospace, "SF Mono", Consolas, monospace; font-size: 0.85rem; }

.kpi {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}
.kpi-item {
    background: white;
    padding: 1rem;
    border-radius: 6px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}
.kpi-item .label { display: block; font-size: 0.85rem; color: #777; }
.kpi-item .value { display: block; font-size: 1.6rem; font-weight: 700; margin-top: 0.25rem; }

.filters { display: flex; gap: 1rem; margin-bottom: 1rem; flex-wrap: wrap; }
.filters input, .filters select {
    padding: 0.5rem 0.7rem;
    border: 1px solid #bbb;
    border-radius: 4px;
    font-size: 0.95rem;
}
.filters input { flex: 1 1 280px; }

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}
th, td { padding: 0.7rem 0.9rem; text-align: left; border-bottom: 1px solid #eee; }
th { background: #fafafa; font-weight: 600; font-size: 0.9rem; }
tr:last-child td { border-bottom: 0; }
tr:hover td { background: #f8fafc; }
td a { color: #1a3a52; }

dl.lead-info {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 0.5rem 1rem;
    background: white;
    padding: 1.5rem;
    border-radius: 6px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
    margin-bottom: 1.5rem;
}
dl.lead-info dt { font-weight: 600; color: #555; }
dl.lead-info dd { margin: 0; }

section { margin: 2rem 0; }
section h3 { margin-top: 0; }

.mark-called-section {
    background: white;
    padding: 1.5rem;
    border-radius: 6px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}
textarea {
    width: 100%;
    padding: 0.6rem;
    border: 1px solid #bbb;
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
    resize: vertical;
}
button[type=submit] {
    padding: 0.6rem 1.4rem;
    background: #1a3a52;
    color: white;
    border: 0;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
}
button[type=submit]:hover { background: #244a68; }

.status-msg { color: #666; margin-top: 0.5rem; min-height: 1.2em; }

@media (max-width: 600px) {
    main { padding: 1rem; }
    dl.lead-info { grid-template-columns: 1fr; }
    dl.lead-info dt { margin-top: 0.5rem; }
}