:root {
    --stone-050: #fafaf9;
    --stone-100: #f5f5f4;
    --stone-200: #e7e5e4;
    --stone-300: #d6d3d1;
    --stone-400: #a8a29e;
    --stone-500: #78716c;
    --stone-600: #57534e;
    --stone-700: #44403c;
    --stone-800: #292524;
    --stone-900: #1c1917;
    --stone-950: #0c0a09;

    --blue: #3b82f6;
    --red: #ef4444;
    --green: #22c55e;
    --amber: #f59e0b;

    --bg: var(--stone-950);
    --bg-raised: var(--stone-900);
    --bg-surface: var(--stone-800);
    --border: var(--stone-800);
    --border-strong: var(--stone-500);
    --text: var(--stone-200);
    --text-muted: var(--stone-400);
    --text-faint: var(--stone-500);
    --text-bright: var(--stone-100);
    --accent: var(--blue);
    --accent-hover: #5193f8;

    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: "JetBrains Mono", "SF Mono", "Fira Code", "Roboto Mono", "Cascadia Code", monospace;
    --line-height: 1.6;
    --line-height-tight: 1.2;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    border-radius: 0 !important;
}

[hidden] {
    display: none !important;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    line-height: var(--line-height);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    padding: 2rem 2rem 1rem;
    border-bottom: 1px solid var(--border);
}

.header-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.header-row h1 {
    margin: 0;
}

.header-row .zone-label {
    flex: 1;
}

.header-row .btn-icon {
    margin-left: auto;
}

h1, h2, h3 {
    font-family: var(--font-mono);
    line-height: var(--line-height-tight);
    color: var(--text-bright);
    font-weight: 600;
}

h1 {
    font-size: 1.5rem;
}

h2 {
    font-size: 1.125rem;
}

.zone-label {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.subtitle {
    font-size: 0.8125rem;
    color: var(--text-faint);
    margin-top: 0.25rem;
}

main {
    flex: 1;
    padding: 1.5rem 2rem;
}

footer {
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--border);
    font-size: 0.75rem;
    color: var(--text-faint);
}

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

a:hover {
    color: var(--accent-hover);
}

.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.toolbar-left {
    display: flex;
    gap: 0.5rem;
    flex: 1;
    min-width: 0;
}

.toolbar-right {
    display: flex;
    gap: 0.5rem;
}

input[type="text"],
input[type="number"],
input[type="password"],
select,
textarea {
    background-color: var(--bg-raised);
    border: 1px solid var(--border);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    padding: 0.5rem 0.75rem;
    outline: none;
    transition: border-color 0.15s;
}

input[type="text"]:focus,
input[type="number"]:focus,
input[type="password"]:focus,
select:focus,
textarea:focus {
    border-color: var(--accent);
}

#search-input {
    min-width: 200px;
    max-width: 320px;
    flex: 1;
}

#type-filter {
    min-width: 120px;
}

.btn {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background-color 0.15s, border-color 0.15s;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--accent);
    color: var(--stone-050);
    border-color: var(--accent);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
}

.btn-secondary {
    background-color: var(--bg-surface);
    color: var(--text);
    border-color: var(--border);
}

.btn-secondary:hover {
    background-color: var(--stone-700);
    border-color: var(--border-strong);
}

.btn-danger {
    background-color: var(--red);
    color: var(--stone-050);
    border-color: var(--red);
}

.btn-danger:hover {
    background-color: #dc2626;
    border-color: #dc2626;
}

.btn-sm {
    font-size: 0.75rem;
    padding: 0.3rem 0.6rem;
}

.btn-icon {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    transition: color 0.15s;
}

.btn-icon:hover {
    color: var(--text-bright);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

thead {
    border-bottom: 2px solid var(--border);
}

th {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    text-align: left;
    padding: 0.75rem 1rem;
}

td {
    padding: 0.625rem 1rem;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

tr:hover td {
    background-color: var(--bg-raised);
}

.type-badge {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
    padding: 0.15rem 0.5rem;
    background-color: var(--bg-surface);
    color: var(--text-bright);
    border: 1px solid var(--border);
    min-width: 3.5rem;
    text-align: center;
}

.record-name {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--text-bright);
    word-break: break-all;
}

.record-content {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--text);
    max-width: 360px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.record-content:hover {
    white-space: normal;
    word-break: break-all;
}

.ttl-val {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.proxied-on {
    color: var(--amber);
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

.proxied-off {
    color: var(--text-faint);
    font-family: var(--font-mono);
    font-size: 0.75rem;
}

.actions-col {
    width: 140px;
    text-align: right;
}

td.actions-col {
    text-align: right;
}

td.actions-col .btn {
    margin-left: 0.25rem;
}

.loading {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.error {
    padding: 1rem;
    background-color: var(--bg-raised);
    border: 1px solid var(--red);
    color: var(--red);
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    margin-bottom: 1rem;
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(12, 10, 9, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.modal {
    background-color: var(--bg-raised);
    border: 1px solid var(--border);
    width: 100%;
    max-width: 480px;
    margin: 1rem;
}

.modal-sm {
    max-width: 380px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
}

.modal-body {
    padding: 1.25rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.375rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-top: 1.25rem;
}

.toast {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    background-color: var(--bg-surface);
    border: 1px solid var(--border);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    padding: 0.75rem 1.25rem;
    z-index: 200;
    transition: opacity 0.3s;
}

.toast.toast-success {
    border-color: var(--green);
    color: var(--green);
}

.toast.toast-error {
    border-color: var(--red);
    color: var(--red);
}

@media (max-width: 768px) {
    header {
        padding: 1.5rem 1rem 0.75rem;
    }

    main {
        padding: 1rem;
    }

    footer {
        padding: 1rem;
    }

    .toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .toolbar-left {
        flex-direction: column;
    }

    #search-input {
        max-width: none;
    }

    .toolbar-right {
        justify-content: flex-end;
    }

    table {
        font-size: 0.8125rem;
    }

    th, td {
        padding: 0.5rem;
    }

    .record-content {
        max-width: 180px;
    }

    .modal {
        margin: 0.5rem;
    }
}

@media (max-width: 600px) {
    table, thead, tbody, th, td, tr {
        display: block;
    }

    thead {
        display: none;
    }

    tr {
        border-bottom: 1px solid var(--border);
        padding: 0.75rem 0;
        position: relative;
    }

    td {
        border-bottom: none;
        padding: 0.2rem 0.5rem;
        text-align: left;
    }

    td::before {
        content: attr(data-label);
        font-family: var(--font-mono);
        font-size: 0.625rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        color: var(--text-faint);
        display: block;
        margin-bottom: 0.1rem;
    }

    td.actions-col {
        text-align: left;
        padding-top: 0.5rem;
    }

    .record-content {
        max-width: none;
        white-space: normal;
        word-break: break-all;
    }
}