:root {
    color-scheme: light;
    --bg: #f5f7f9;
    --panel: #ffffff;
    --ink: #1e2732;
    --muted: #657282;
    --line: #d9e0e8;
    --blue: #1d5fd1;
    --blue-dark: #174ca6;
    --green: #147a45;
    --red: #b3261e;
    --amber: #9a6400;
    --shadow: 0 10px 26px rgba(28, 39, 52, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 15px;
    line-height: 1.45;
}

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

a:hover {
    text-decoration: underline;
}

.app-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 236px minmax(0, 1fr);
}

.sidebar {
    background: #152233;
    color: #f7fafc;
    padding: 22px 18px;
}

.brand {
    font-size: 20px;
    font-weight: 750;
    margin-bottom: 24px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #dce6f2;
    padding: 10px 12px;
    border-radius: 7px;
    margin: 3px 0;
}

.nav-link.active,
.nav-link:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #ffffff;
    text-decoration: none;
}

.main {
    padding: 24px;
}

.topbar {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    margin-bottom: 18px;
}

.topbar h1 {
    font-size: 28px;
    margin: 0;
}

.subtle {
    color: var(--muted);
    font-size: 14px;
}

.panel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.panel-pad {
    padding: 18px;
}

.stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(140px, 1fr));
    gap: 12px;
    margin-bottom: 16px;
}

.stat {
    padding: 14px;
}

.stat-label {
    color: var(--muted);
    font-size: 13px;
}

.stat-value {
    font-size: 27px;
    font-weight: 760;
    margin-top: 2px;
}

.toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.filters {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 7px;
    padding: 9px 10px;
    background: #ffffff;
    color: var(--ink);
    font: inherit;
}

textarea {
    min-height: 130px;
    resize: vertical;
}

.search-input {
    min-width: 260px;
}

.button,
button {
    appearance: none;
    border: 1px solid transparent;
    border-radius: 7px;
    padding: 9px 12px;
    background: var(--blue);
    color: #ffffff;
    font: inherit;
    font-weight: 650;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 38px;
}

.button:hover,
button:hover {
    background: var(--blue-dark);
    color: #ffffff;
    text-decoration: none;
}

.button.secondary,
button.secondary {
    background: #ffffff;
    color: var(--ink);
    border-color: var(--line);
}

.button.secondary:hover,
button.secondary:hover {
    background: #edf2f7;
}

.button.danger,
button.danger {
    background: var(--red);
}

.button.warning,
button.warning {
    background: var(--amber);
}

.button.linklike {
    background: transparent;
    color: var(--blue);
    border: 0;
    padding-left: 0;
    padding-right: 0;
}

.table-wrap {
    overflow: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 1180px;
}

table.compact-table {
    min-width: 760px;
}

th,
td {
    border-bottom: 1px solid var(--line);
    padding: 11px 12px;
    text-align: left;
    vertical-align: middle;
}

th {
    color: #4b5868;
    background: #f8fafc;
    font-size: 13px;
    font-weight: 750;
}

tr:hover td {
    background: #f9fbfd;
}

.badge {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 3px 9px;
    font-size: 13px;
    font-weight: 700;
}

.badge.active {
    background: #e5f4ec;
    color: var(--green);
}

.badge.unsubscribed {
    background: #fff5df;
    color: var(--amber);
}

.badge.deleted {
    background: #fdebea;
    color: var(--red);
}

.grid-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.grid-form .wide {
    grid-column: 1 / -1;
}

.form-section-title {
    margin: 22px 0 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--line);
    color: #223044;
    font-size: 16px;
    font-weight: 760;
}

.form-section-title:first-of-type {
    margin-top: 0;
}

.contact-line {
    margin: 1px 0;
    max-width: 220px;
    overflow-wrap: anywhere;
}

label {
    display: grid;
    gap: 6px;
    color: #3a4552;
    font-weight: 650;
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: space-between;
    margin-top: 18px;
}

.action-cluster {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.flash {
    padding: 12px 14px;
    border-radius: 8px;
    margin-bottom: 14px;
    border: 1px solid var(--line);
    background: #ffffff;
}

.flash.success {
    border-color: #a8d8bd;
    background: #edf9f2;
    color: #115d36;
}

.flash.error {
    border-color: #f0b5b1;
    background: #fff1f0;
    color: #8d1c17;
}

.flash.info {
    border-color: #b8cdf8;
    background: #eef4ff;
    color: #163f8c;
}

.login-page,
.public-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 22px;
    background: #eef2f6;
}

.public-form-page {
    min-height: 100vh;
    background: #eef2f6;
    padding: 22px;
}

.public-form-shell {
    width: min(1040px, 100%);
    margin: 0 auto;
}

.public-form-panel {
    box-shadow: var(--shadow);
}

.login-box,
.public-box {
    width: min(460px, 100%);
    padding: 26px;
}

.login-box h1,
.public-box h1 {
    margin: 0 0 10px;
    font-size: 28px;
}

.login-box form,
.public-box form {
    display: grid;
    gap: 14px;
    margin-top: 18px;
}

.auth-links {
    margin-top: 14px;
    font-size: 14px;
}

.token-url {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 13px;
    background: #f7fafc;
    border: 1px solid var(--line);
    padding: 10px;
    border-radius: 7px;
    overflow-wrap: anywhere;
}

.token-label {
    margin: 12px 0 6px;
}

.token-code {
    min-height: 92px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 13px;
    line-height: 1.45;
    color: #213043;
}

.empty-state {
    padding: 42px 18px;
    text-align: center;
    color: var(--muted);
}

.inline-form {
    display: inline;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-weight: 600;
}

.checkbox-label input {
    width: auto;
    margin-top: 4px;
}

.danger-zone {
    border-top: 1px solid var(--line);
    padding-top: 16px;
    margin-top: 16px;
}

@media (max-width: 900px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        display: flex;
        align-items: center;
        gap: 14px;
        overflow-x: auto;
        padding: 14px;
    }

    .brand {
        margin: 0;
        white-space: nowrap;
    }

    .nav-link {
        white-space: nowrap;
    }

    .main {
        padding: 16px;
    }

    .topbar {
        align-items: flex-start;
        flex-direction: column;
    }

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

    .search-input {
        min-width: 100%;
    }
}