/* ========================================================================
   CLOUDFLARE DESIGN SYSTEM — Base Tokens & Reset
   Replicação fidedigna do visual Cloudflare Dashboard
   ======================================================================== */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ---------- CSS Reset ---------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--cf-gray-900);
    background-color: var(--cf-bg-page);
}

/* ---------- Design Tokens ---------- */
:root {
    /* Brand */
    --cf-orange: #f6821f;
    --cf-orange-hover: #e5741a;
    --cf-orange-light: #fff3e8;

    /* Blues */
    --cf-blue-100: #edf5ff;
    --cf-blue-200: #d0e2ff;
    --cf-blue-400: #4589ff;
    --cf-blue-500: #0051c3;
    --cf-blue-600: #003d91;
    --cf-blue-700: #002d6d;

    /* Grays */
    --cf-gray-50: #f9fafb;
    --cf-gray-100: #f2f4f7;
    --cf-gray-200: #e4e7ec;
    --cf-gray-300: #d0d5dd;
    --cf-gray-400: #98a2b3;
    --cf-gray-500: #667085;
    --cf-gray-600: #475467;
    --cf-gray-700: #344054;
    --cf-gray-800: #1d2939;
    --cf-gray-900: #101828;

    /* Semantic */
    --cf-success: #12b76a;
    --cf-success-light: #ecfdf3;
    --cf-warning: #f79009;
    --cf-warning-light: #fffaeb;
    --cf-error: #f04438;
    --cf-error-light: #fef3f2;
    --cf-info: #0051c3;

    /* Backgrounds */
    --cf-bg-page: #f5f6f7;
    --cf-bg-card: #ffffff;
    --cf-bg-navbar: #1b1b32;
    --cf-bg-sidebar: #ffffff;
    --cf-bg-input: #ffffff;

    /* Borders */
    --cf-border: #d5d7db;
    --cf-border-light: #e8e8e8;
    --cf-border-focus: var(--cf-blue-500);

    /* Shadows */
    --cf-shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.05);
    --cf-shadow-md: 0 1px 3px rgba(16, 24, 40, 0.1), 0 1px 2px rgba(16, 24, 40, 0.06);
    --cf-shadow-lg: 0 4px 6px -2px rgba(16, 24, 40, 0.03), 0 12px 16px -4px rgba(16, 24, 40, 0.08);

    /* Typography */
    --cf-font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --cf-font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;

    /* Radius */
    --cf-radius-sm: 4px;
    --cf-radius-md: 6px;
    --cf-radius-lg: 8px;

    /* Transitions */
    --cf-transition: 150ms ease-in-out;

    /* Type badge colors */
    --cf-badge-a: #6366f1;
    --cf-badge-aaaa: #6366f1;
    --cf-badge-cname: #0891b2;
    --cf-badge-mx: #7c3aed;
    --cf-badge-txt: #64748b;
    --cf-badge-ns: #059669;
    --cf-badge-srv: #ea580c;
    --cf-badge-caa: #dc2626;
}

/* ---------- Base Elements ---------- */
a {
    color: var(--cf-blue-500);
    text-decoration: none;
    transition: color var(--cf-transition);
}

a:hover {
    color: var(--cf-blue-600);
    text-decoration: underline;
}

h1, h2, h3, h4 {
    font-weight: 600;
    color: var(--cf-gray-900);
    line-height: 1.3;
}

h1 { font-size: 24px; }
h2 { font-size: 20px; }
h3 { font-size: 16px; }
h4 { font-size: 14px; }

/* ---------- Form Elements ---------- */
.cf-input,
.cf-select,
.cf-textarea {
    width: 100%;
    padding: 8px 12px;
    font-family: var(--cf-font-family);
    font-size: 14px;
    line-height: 1.5;
    color: var(--cf-gray-900);
    background-color: var(--cf-bg-input);
    border: 1px solid var(--cf-border);
    border-radius: var(--cf-radius-sm);
    outline: none;
    transition: border-color var(--cf-transition), box-shadow var(--cf-transition);
}

.cf-input:focus,
.cf-select:focus,
.cf-textarea:focus {
    border-color: var(--cf-border-focus);
    box-shadow: 0 0 0 3px rgba(0, 81, 195, 0.12);
}

.cf-input::placeholder {
    color: var(--cf-gray-400);
}

.cf-input.error {
    border-color: var(--cf-error);
}

.cf-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--cf-gray-700);
    margin-bottom: 4px;
}

.cf-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23667085' d='M6 8.825L.35 3.175l.7-.7L6 7.425l4.95-4.95.7.7z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 32px;
    cursor: pointer;
}

.cf-textarea {
    resize: vertical;
    min-height: 80px;
}

/* ---------- Buttons ---------- */
.cf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    font-family: var(--cf-font-family);
    font-size: 14px;
    font-weight: 500;
    line-height: 1;
    border: 1px solid transparent;
    border-radius: var(--cf-radius-sm);
    cursor: pointer;
    transition: all var(--cf-transition);
    white-space: nowrap;
    user-select: none;
}

.cf-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.cf-btn-primary {
    background-color: var(--cf-blue-500);
    color: #fff;
    border-color: var(--cf-blue-500);
}

.cf-btn-primary:hover:not(:disabled) {
    background-color: var(--cf-blue-600);
    border-color: var(--cf-blue-600);
}

.cf-btn-orange {
    background-color: var(--cf-orange);
    color: #fff;
    border-color: var(--cf-orange);
}

.cf-btn-orange:hover:not(:disabled) {
    background-color: var(--cf-orange-hover);
    border-color: var(--cf-orange-hover);
}

.cf-btn-secondary {
    background-color: #fff;
    color: var(--cf-gray-700);
    border-color: var(--cf-border);
}

.cf-btn-secondary:hover:not(:disabled) {
    background-color: var(--cf-gray-50);
    border-color: var(--cf-gray-300);
}

.cf-btn-danger {
    background-color: var(--cf-error);
    color: #fff;
    border-color: var(--cf-error);
}

.cf-btn-danger:hover:not(:disabled) {
    background-color: #d92d20;
    border-color: #d92d20;
}

.cf-btn-ghost {
    background-color: transparent;
    color: var(--cf-gray-600);
    border-color: transparent;
    padding: 6px 8px;
}

.cf-btn-ghost:hover:not(:disabled) {
    background-color: var(--cf-gray-100);
    color: var(--cf-gray-900);
}

.cf-btn-sm {
    padding: 4px 10px;
    font-size: 13px;
}

.cf-btn-lg {
    padding: 12px 24px;
    font-size: 15px;
}

/* ---------- Cards ---------- */
.cf-card {
    background-color: var(--cf-bg-card);
    border: 1px solid var(--cf-border-light);
    border-radius: var(--cf-radius-md);
    box-shadow: var(--cf-shadow-sm);
}

.cf-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--cf-border-light);
}

.cf-card-body {
    padding: 20px;
}

/* ---------- Badge ---------- */
.cf-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border-radius: var(--cf-radius-sm);
    font-family: var(--cf-font-mono);
    min-width: 52px;
}

.cf-badge-a { background: #eef2ff; color: var(--cf-badge-a); }
.cf-badge-aaaa { background: #eef2ff; color: var(--cf-badge-aaaa); }
.cf-badge-cname { background: #ecfeff; color: var(--cf-badge-cname); }
.cf-badge-mx { background: #f5f3ff; color: var(--cf-badge-mx); }
.cf-badge-txt { background: #f1f5f9; color: var(--cf-badge-txt); }
.cf-badge-ns { background: #ecfdf5; color: var(--cf-badge-ns); }
.cf-badge-srv { background: #fff7ed; color: var(--cf-badge-srv); }
.cf-badge-caa { background: #fef2f2; color: var(--cf-badge-caa); }

/* ---------- Proxy Toggle / Cloud Icon ---------- */
.cf-proxy-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    user-select: none;
    font-size: 13px;
    padding: 4px 8px;
    border-radius: var(--cf-radius-sm);
    transition: background-color var(--cf-transition);
}

.cf-proxy-toggle:hover {
    background-color: var(--cf-gray-50);
}

.cf-proxy-toggle .cloud-icon {
    width: 20px;
    height: 14px;
    transition: color var(--cf-transition);
}

.cf-proxy-toggle.proxied .cloud-icon {
    color: var(--cf-orange);
}

.cf-proxy-toggle.dns-only .cloud-icon {
    color: var(--cf-gray-400);
}

.cf-proxy-toggle .proxy-label {
    font-size: 12px;
    color: var(--cf-gray-600);
}

/* ---------- Toast Notification ---------- */
.cf-toast-container {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.cf-toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    min-width: 320px;
    max-width: 480px;
    background: var(--cf-bg-card);
    border: 1px solid var(--cf-border-light);
    border-radius: var(--cf-radius-md);
    box-shadow: var(--cf-shadow-lg);
    font-size: 14px;
    animation: cf-toast-in 0.3s ease-out;
}

.cf-toast.success { border-left: 3px solid var(--cf-success); }
.cf-toast.error { border-left: 3px solid var(--cf-error); }
.cf-toast.warning { border-left: 3px solid var(--cf-warning); }
.cf-toast.info { border-left: 3px solid var(--cf-info); }

.cf-toast.removing {
    animation: cf-toast-out 0.3s ease-in forwards;
}

@keyframes cf-toast-in {
    from { opacity: 0; transform: translateX(100%); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes cf-toast-out {
    from { opacity: 1; transform: translateX(0); }
    to { opacity: 0; transform: translateX(100%); }
}

/* ---------- Modal ---------- */
.cf-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: cf-fade-in 0.15s ease-out;
}

.cf-modal {
    background: var(--cf-bg-card);
    border-radius: var(--cf-radius-lg);
    box-shadow: var(--cf-shadow-lg);
    width: 100%;
    max-width: 480px;
    animation: cf-scale-in 0.15s ease-out;
}

.cf-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--cf-border-light);
}

.cf-modal-body {
    padding: 20px;
}

.cf-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 12px 20px;
    border-top: 1px solid var(--cf-border-light);
}

@keyframes cf-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes cf-scale-in {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

/* ---------- Table ---------- */
.cf-table-wrapper {
    overflow-x: auto;
}

.cf-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.cf-table thead th {
    text-align: left;
    padding: 10px 16px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--cf-gray-500);
    background: var(--cf-gray-50);
    border-bottom: 1px solid var(--cf-border-light);
    white-space: nowrap;
}

.cf-table tbody tr {
    border-bottom: 1px solid var(--cf-border-light);
    transition: background-color var(--cf-transition);
}

.cf-table tbody tr:hover {
    background-color: var(--cf-gray-50);
}

.cf-table tbody tr.editing {
    background-color: var(--cf-blue-100);
}

.cf-table td {
    padding: 12px 16px;
    vertical-align: middle;
    color: var(--cf-gray-800);
}

.cf-table td.content-cell {
    font-family: var(--cf-font-mono);
    font-size: 13px;
    max-width: 320px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.cf-table td.content-cell:hover {
    white-space: normal;
    word-break: break-all;
}

.cf-table td.actions-cell {
    white-space: nowrap;
    text-align: right;
}

/* ---------- Search/Filter Bar ---------- */
.cf-filter-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--cf-border-light);
}

.cf-search-input {
    flex: 1;
    position: relative;
}

.cf-search-input input {
    width: 100%;
    padding: 8px 12px 8px 36px;
    font-size: 14px;
    border: 1px solid var(--cf-border);
    border-radius: var(--cf-radius-sm);
    outline: none;
    font-family: var(--cf-font-family);
    transition: border-color var(--cf-transition);
}

.cf-search-input input:focus {
    border-color: var(--cf-border-focus);
    box-shadow: 0 0 0 3px rgba(0, 81, 195, 0.12);
}

.cf-search-input .search-icon {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--cf-gray-400);
    pointer-events: none;
}

/* ---------- TTL display ---------- */
.cf-ttl {
    font-size: 13px;
    color: var(--cf-gray-600);
    font-family: var(--cf-font-mono);
}

/* ---------- Record count ---------- */
.cf-record-count {
    font-size: 13px;
    color: var(--cf-gray-500);
    padding: 8px 16px;
}

/* ---------- Loading Spinner ---------- */
.cf-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--cf-gray-200);
    border-top-color: var(--cf-blue-500);
    border-radius: 50%;
    animation: cf-spin 0.6s linear infinite;
}

@keyframes cf-spin {
    to { transform: rotate(360deg); }
}

/* ---------- Utilities ---------- */
.cf-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.cf-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.cf-mono {
    font-family: var(--cf-font-mono);
}

.cf-text-sm { font-size: 13px; }
.cf-text-xs { font-size: 12px; }
.cf-text-muted { color: var(--cf-gray-500); }
.cf-text-error { color: var(--cf-error); }
.cf-text-success { color: var(--cf-success); }

.cf-flex { display: flex; }
.cf-items-center { align-items: center; }
.cf-justify-between { justify-content: space-between; }
.cf-gap-2 { gap: 8px; }
.cf-gap-3 { gap: 12px; }
.cf-gap-4 { gap: 16px; }
.cf-mt-2 { margin-top: 8px; }
.cf-mt-4 { margin-top: 16px; }
.cf-mb-4 { margin-bottom: 16px; }
.cf-hidden { display: none !important; }