:root {
    --bg: #f3f5f7;
    --panel: #ffffff;
    --panel-2: #eef2f6;
    --text: #1f2937;
    --muted: #6b7280;
    --border: #d1d5db;
    --primary: #1f5eff;
    --primary-hover: #184ecc;
    --primary-text: #ffffff;
    --danger: #b42318;
    --danger-bg: #fee4e2;
    --success: #067647;
    --success-bg: #d1fadf;
    --warning: #b54708;
    --warning-bg: #fef0c7;
    --shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    --incoming-bg: #dbeafe;
    --incoming-text: #1d4ed8;
    --missed-bg: #fee2e2;
    --missed-text: #b91c1c;
    --answered-bg: #dcfce7;
    --answered-text: #15803d;
    --forwarded-bg: #ffedd5;
    --forwarded-text: #c2410c;
    --outgoing-bg: #e5e7eb;
    --outgoing-text: #4b5563;
    --terminated-bg: #d1d5db;
    --terminated-text: #374151;
    --unknown-bg: #111827;
    --unknown-text: #ffffff;
}

* {
    box-sizing: border-box;
}

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

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.page-shell {
    max-width: 1280px;
    margin: 0 auto;
    padding: 16px;
}

.auth-page {
    max-width: 760px;
}

.site-header,
.main-nav,
.card,
.alert {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.site-header,
.main-nav,
.card {
    padding: 16px;
}

.site-header {
    margin-bottom: 12px;
}

.site-header-main {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
}

.site-header-left h1,
.card h2 {
    margin: 0;
}

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

.subline {
    margin: 6px 0 0;
}

.site-header-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
}

.header-user-row,
.inline-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.user-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--panel-2);
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 0.95rem;
}

.main-nav {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.content {
    display: grid;
    gap: 16px;
}

.auth-box {
    max-width: 680px;
}

.auth-link-row {
    margin: 14px 0 0;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
}

.form-grid-single {
    grid-template-columns: 1fr;
}

.filters-grid {
    align-items: end;
}

label {
    display: block;
    font-weight: 700;
    margin-bottom: 6px;
}

input,
select,
textarea,
button,
.btn,
.button {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--panel);
    color: var(--text);
    font: inherit;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(31, 94, 255, 0.12);
}

button,
.btn,
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background: var(--primary);
    color: var(--primary-text);
    font-weight: 700;
    text-decoration: none;
}

button:hover,
.btn:hover,
.button:hover {
    background: var(--primary-hover);
    text-decoration: none;
}

.password-field {
    position: relative;
}

.password-field input {
    padding-right: 48px;
}

button.password-toggle {
    position: absolute;
    top: 50%;
    right: 8px;
    width: 34px;
    height: 34px;
    min-width: 34px;
    padding: 0;
    border: 0;
    border-radius: 999px;
    transform: translateY(-50%);
    background: transparent;
    color: var(--muted);
}

button.password-toggle:hover {
    background: var(--panel-2);
    color: var(--text);
}

button.password-toggle:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(31, 94, 255, 0.12);
}

button.password-toggle .password-toggle-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
}

button.password-toggle .password-toggle-icon svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

button.password-toggle .password-toggle-hide {
    display: none;
}

button.password-toggle[data-visible="true"] .password-toggle-show {
    display: none;
}

button.password-toggle[data-visible="true"] .password-toggle-hide {
    display: inline-flex;
}

.btn.secondary,
.button-secondary {
    background: var(--panel-2);
    color: var(--text);
}

.btn.secondary:hover,
.button-secondary:hover {
    background: #dfe6ee;
}

.alert {
    padding: 12px 14px;
    margin-top: 12px;
}

.alert.error {
    border-left: 5px solid var(--danger);
    background: var(--danger-bg);
}

.alert.success {
    border-left: 5px solid var(--success);
    background: var(--success-bg);
}

.alert.warning {
    border-left: 5px solid var(--warning);
    background: var(--warning-bg);
}

.table-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.table-wrap {
    overflow-x: auto;
}

.table {
    width: 100%;
    min-width: 900px;
    border-collapse: collapse;
}

.table th,
.table td {
    border-bottom: 1px solid var(--border);
    padding: 10px;
    vertical-align: top;
    text-align: left;
}

.table th {
    background: var(--panel-2);
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 700;
    white-space: nowrap;
}

.badge-incoming {
    background: var(--incoming-bg);
    color: var(--incoming-text);
}

.badge-missed {
    background: var(--missed-bg);
    color: var(--missed-text);
}

.badge-answered {
    background: var(--answered-bg);
    color: var(--answered-text);
}

.badge-forwarded {
    background: var(--forwarded-bg);
    color: var(--forwarded-text);
}

.badge-outgoing {
    background: var(--outgoing-bg);
    color: var(--outgoing-text);
}

.badge-terminated {
    background: var(--terminated-bg);
    color: var(--terminated-text);
}

.badge-unknown {
    background: var(--unknown-bg);
    color: var(--unknown-text);
}

.tel-link {
    color: var(--primary);
    font-weight: 700;
}

.empty-state {
    padding: 18px;
    border: 1px dashed var(--border);
    border-radius: 14px;
    text-align: center;
    color: var(--muted);
    background: var(--panel-2);
}

.pagination {
    margin-top: 16px;
    display: flex;
    justify-content: flex-end;
}

@media (max-width: 900px) {
    .site-header-main,
    .table-meta {
        flex-direction: column;
        align-items: flex-start;
    }

    .site-header-right {
        align-items: flex-start;
        width: 100%;
    }

    .pagination {
        justify-content: flex-start;
    }
}

@media (max-width: 720px) {
    .page-shell {
        padding: 12px;
    }

    .site-header,
    .main-nav,
    .card {
        padding: 12px;
    }

    .table,
    .table thead,
    .table tbody,
    .table tr,
    .table th,
    .table td {
        display: block;
    }

    .table {
        min-width: 0;
    }

    .table thead {
        display: none;
    }

    .table tbody {
        display: grid;
        gap: 12px;
    }

    .table tr {
        border: 1px solid var(--border);
        border-radius: 14px;
        background: var(--panel);
        overflow: hidden;
    }

    .table td {
        display: flex;
        justify-content: space-between;
        gap: 14px;
    }

    .table td::before {
        content: attr(data-label);
        color: var(--muted);
        font-weight: 700;
        flex: 0 0 110px;
    }
}