/* NetToolkit.eu - Styles */

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

:root {
    --primary-color: #99C706;
    --primary-hover: #7BA605;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background: linear-gradient(135deg, #4a4a4a 0%, #2d2d2d 100%);
    color: white;
    padding: 1.25rem 0;
    box-shadow: var(--shadow-lg);
}

.header-inner {
    display: flex;
    align-items: center;
}

.header-link {
    text-decoration: none;
    color: inherit;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-logo {
    height: 60px;
    width: auto;
}

.header-text h1 {
    font-size: 2rem;
    margin-bottom: 0.1rem;
    line-height: 1.2;
}

header .tagline {
    font-size: 0.9rem;
    opacity: 0.85;
}

header .tagline .am-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

header .tagline .am-link:hover {
    text-decoration: underline;
}

/* Navigation */
nav {
    background: var(--card-bg);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-categories {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 1rem 0;
}

.nav-categories li a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 0.5rem;
    transition: all 0.2s;
    font-weight: 500;
}

.nav-categories li a:hover,
.nav-categories li a.active {
    background-color: #4a4a4a;
    color: var(--primary-color);
}

/* Breadcrumb */
.breadcrumb {
    padding: 1rem 0 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

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

.breadcrumb a:hover {
    text-decoration: underline;
}

/* Tool card links */
a.tool-card {
    text-decoration: none;
    color: inherit;
    display: block;
}

/* Main Content */
main {
    padding: 2rem 0;
    min-height: 60vh;
}

/* Homepage: all categories visible */
.tool-category-home {
    margin-bottom: 2.5rem;
}

.tool-category-home h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.tool-category-home h2 a {
    color: inherit;
    text-decoration: none;
}

.tool-category-home h2 a:hover {
    color: var(--primary-color);
}

/* Tool Grid */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.tool-card {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: var(--shadow);
}

.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.tool-card.active {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #f7fde6 0%, #eef8cc 100%);
}

.tool-card.coming-soon {
    opacity: 0.6;
    cursor: not-allowed;
}

.tool-card.coming-soon:hover {
    transform: none;
    border-color: var(--border-color);
}

.tool-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.tool-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Tool Interface */
#tool-interface {
    margin-top: 2rem;
}

.tool-interface {
    display: none;
}

.tool-interface.active {
    display: block;
}

.tool-header {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 0.75rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

.tool-header h2 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.tool-header p {
    color: var(--text-secondary);
}

/* Forms */
form {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow);
}

.form-section {
    margin-bottom: 2rem;
}

.form-section h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.75rem;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.375rem;
    transition: background-color 0.2s;
}

.checkbox-group label:hover {
    background-color: var(--bg-color);
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* Input Method Tabs */
.input-method-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--border-color);
    background: white;
    border-radius: 0.5rem;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s;
}

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

.tab-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.input-method {
    display: none;
}

.input-method.active {
    display: block;
}

/* Form Controls */
label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

textarea,
input[type="file"] {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color 0.2s;
}

textarea:focus,
input[type="file"]:focus {
    outline: none;
    border-color: var(--primary-color);
}

textarea {
    resize: vertical;
    font-family: 'Courier New', monospace;
}

small {
    display: block;
    margin-top: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Buttons */
.btn-primary,
.btn-secondary {
    padding: 1rem 2rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--primary-color);
    color: #1e293b;
    font-weight: 700;
    width: 100%;
    justify-content: center;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:disabled {
    background: var(--secondary-color);
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background: #475569;
}

/* Results */
#results-container {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow);
    margin-top: 2rem;
}

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

.results-header h3 {
    font-size: 1.5rem;
}

.results-actions {
    display: flex;
    gap: 0.75rem;
}

.status-info {
    background: var(--bg-color);
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--primary-color);
}

.status-info.success {
    border-left-color: var(--success-color);
}

.status-info.error {
    border-left-color: var(--error-color);
}

/* Results Table */
.results-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.results-table th,
.results-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.results-table th {
    background: var(--bg-color);
    font-weight: 600;
    color: var(--text-primary);
}

.results-table tr:hover {
    background: var(--bg-color);
}

.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.status-badge.success {
    background: #d1fae5;
    color: #065f46;
}

.status-badge.error {
    background: #fee2e2;
    color: #991b1b;
}

.result-data {
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    max-width: 400px;
    overflow-x: auto;
}

/* Footer */
footer {
    background: var(--text-primary);
    color: white;
    padding: 2rem 0;
    margin-top: 4rem;
    text-align: center;
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

footer a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .header-link {
        gap: 0.75rem;
    }

    .header-logo {
        height: 44px;
    }

    .header-text h1 {
        font-size: 1.5rem;
    }

    header .tagline {
        font-size: 0.8rem;
    }

    .nav-categories {
        flex-direction: column;
    }

    .checkbox-group {
        grid-template-columns: 1fr;
    }

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

    .results-table {
        font-size: 0.875rem;
    }

    .results-table th,
    .results-table td {
        padding: 0.5rem;
    }
}

/* Form Controls - Extended */
input[type="text"],
select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color 0.2s;
    background: white;
}

input[type="text"]:focus,
select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-row {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
    flex-wrap: wrap;
}

.form-group {
    display: flex;
    flex-direction: column;
    min-width: 160px;
}

.form-group-grow {
    flex: 1;
}

.form-group-btn {
    min-width: auto;
}

.form-group-btn .btn-primary {
    width: auto;
    white-space: nowrap;
    padding: 0.75rem 2rem;
    height: 46px;
}

@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
    }
    .form-group {
        min-width: 100%;
    }
    .form-group-btn .btn-primary {
        width: 100%;
    }
}

/* ============================================================
   Propagation Checker Styles
   ============================================================ */

/* Summary bar */
.propagation-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1.5rem;
    background: var(--card-bg);
    padding: 1.5rem 2rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow);
    margin-bottom: 1rem;
}

.prop-stat { text-align: center; }

.prop-stat-value {
    display: block;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.15rem;
}

.prop-stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Progress bar */
.propagation-bar-container {
    background: var(--border-color);
    border-radius: 1rem;
    height: 1rem;
    overflow: hidden;
    margin-bottom: 1.5rem;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.1);
}

.propagation-bar {
    height: 100%;
    border-radius: 1rem;
    background: linear-gradient(90deg, var(--error-color) 0%, var(--warning-color) 50%, var(--success-color) 100%);
    transition: width 0.6s ease;
}

/* ---- Two-column layout ---- */
.prop-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: start;
}

/* Left column – scrollable server list */
.prop-list-column {
    max-height: 620px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    background: var(--card-bg);
    box-shadow: var(--shadow);
}

.prop-list-column::-webkit-scrollbar {
    width: 6px;
}
.prop-list-column::-webkit-scrollbar-track {
    background: transparent;
}
.prop-list-column::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

/* Right column – sticky map */
.prop-map-column {
    position: sticky;
    top: 80px;
}

/* Server list rows */
.prop-server-row {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background 0.15s;
    gap: 0.75rem;
}

.prop-server-row:last-child {
    border-bottom: none;
}

.prop-server-row:hover,
.prop-server-row.highlighted {
    background: #eff6ff;
}

.prop-server-row .row-flag {
    font-size: 1.5rem;
    flex-shrink: 0;
    width: 28px;
    text-align: center;
}

.prop-server-row .row-info {
    flex: 1;
    min-width: 0;
}

.prop-server-row .row-location {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.prop-server-row .row-provider {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.prop-server-row .row-result {
    font-family: 'Courier New', monospace;
    font-size: 0.82rem;
    color: var(--text-secondary);
    text-align: right;
    flex-shrink: 0;
    max-width: 180px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.prop-server-row .row-status {
    flex-shrink: 0;
    width: 24px;
    text-align: center;
    font-size: 1.2rem;
}

/* Map */
.prop-map {
    height: 480px;
    border-radius: 0.75rem;
    box-shadow: var(--shadow);
    border: 2px solid var(--border-color);
    overflow: hidden;
    z-index: 1;
}

/* Map legend */
.prop-map-legend {
    display: flex;
    justify-content: center;
    gap: 2rem;
    padding: 0.75rem 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.legend-dot {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: 0 1px 3px rgba(0,0,0,0.25);
}

.legend-resolved { background: var(--success-color); }
.legend-failed   { background: var(--error-color); }

.prop-loading-servers {
    padding: 2rem 1rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.prop-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: prop-spin 0.6s linear infinite;
}

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

/* Map popups */
.map-popup-title {
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 2px;
}

.map-popup-ip {
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.map-popup-location {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.map-popup-result {
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    padding: 4px 8px;
    border-radius: 4px;
    background: var(--bg-color);
    word-break: break-all;
    margin-bottom: 4px;
}

.map-popup-result.success { color: #065f46; background: #d1fae5; }
.map-popup-result.error   { color: #991b1b; background: #fee2e2; }

.map-popup-time {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-align: right;
}

/* Leaflet marker icons */
@keyframes marker-pulse {
    0%   { transform: scale(1);   opacity: 1; }
    50%  { transform: scale(1.4); opacity: 0.5; }
    100% { transform: scale(1);   opacity: 1; }
}

.marker-icon-green,
.marker-icon-red,
.marker-icon-neutral {
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 2px 6px rgba(0,0,0,0.35);
}

.marker-icon-green { background: var(--success-color); }

.marker-icon-red {
    background: var(--error-color);
    animation: marker-pulse 2s infinite;
}

.marker-icon-neutral { background: #94a3b8; }

.legend-pending { background: #94a3b8; }

/* Responsive: stack columns on small screens */
@media (max-width: 960px) {
    .prop-layout {
        grid-template-columns: 1fr;
    }
    .prop-map-column {
        position: static;
        order: -1;          /* map on top on mobile */
    }
    .prop-list-column {
        max-height: 500px;
    }
    .prop-map {
        height: 350px;
    }
}

/* ============================================================
   DNS Record Checker Styles
   ============================================================ */
.record-type-section {
    margin-bottom: 1.5rem;
}

.record-type-section h4 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    padding: 0.5rem 0.75rem;
    background: var(--bg-color);
    border-radius: 0.375rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.record-type-section h4 .record-count {
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--text-secondary);
}

.record-type-section .no-records {
    color: var(--text-secondary);
    font-style: italic;
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
}

/* ============================================================
   Whois Lookup Styles
   ============================================================ */
.whois-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.whois-section {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.25rem;
    box-shadow: var(--shadow);
}

.whois-section h4 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.whois-field {
    display: flex;
    padding: 0.4rem 0;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--bg-color);
}

.whois-field:last-child {
    border-bottom: none;
}

.whois-label {
    font-weight: 600;
    min-width: 140px;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.whois-value {
    color: var(--text-primary);
    word-break: break-all;
}

.raw-output {
    background: #1e293b;
    color: #e2e8f0;
    padding: 1.5rem;
    border-radius: 0.75rem;
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    line-height: 1.6;
    max-height: 500px;
    overflow: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* ============================================================
   HTTP Headers Checker Styles
   ============================================================ */
.http-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1.5rem;
    background: var(--card-bg);
    padding: 1.5rem 2rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
}

.http-stat { text-align: center; }

.http-stat-value {
    display: block;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.15rem;
}

.http-stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.security-score-card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
}

.security-score-card h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.security-check-row {
    display: flex;
    align-items: center;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--bg-color);
    gap: 0.75rem;
}

.security-check-row:last-child {
    border-bottom: none;
}

.security-check-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
    width: 24px;
    text-align: center;
}

.security-check-info {
    flex: 1;
}

.security-check-name {
    font-weight: 600;
    font-size: 0.9rem;
}

.security-check-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.security-check-value {
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    color: var(--text-secondary);
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-align: right;
}

.header-chain-section {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
}

.header-chain-section h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.header-set {
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    overflow: hidden;
}

.header-set-title {
    background: var(--bg-color);
    padding: 0.5rem 0.75rem;
    font-weight: 600;
    font-size: 0.9rem;
    font-family: 'Courier New', monospace;
}

.header-row {
    display: flex;
    padding: 0.35rem 0.75rem;
    border-bottom: 1px solid var(--bg-color);
    font-size: 0.85rem;
}

.header-row:last-child {
    border-bottom: none;
}

.header-name {
    font-weight: 600;
    min-width: 220px;
    flex-shrink: 0;
    color: var(--primary-color);
    font-family: 'Courier New', monospace;
    font-size: 0.82rem;
}

.header-value {
    color: var(--text-primary);
    word-break: break-all;
    font-family: 'Courier New', monospace;
    font-size: 0.82rem;
}

/* ============================================================
   SSL Certificate Checker Styles
   ============================================================ */
.ssl-status-banner {
    padding: 1.25rem 1.5rem;
    border-radius: 0.75rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.ssl-status-banner.valid {
    background: #d1fae5;
    color: #065f46;
    border: 2px solid #10b981;
}

.ssl-status-banner.invalid {
    background: #fee2e2;
    color: #991b1b;
    border: 2px solid #ef4444;
}

.ssl-status-banner.warning {
    background: #fef3c7;
    color: #92400e;
    border: 2px solid #f59e0b;
}

.ssl-status-icon {
    font-size: 1.6rem;
}

.ssl-details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.ssl-section {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.25rem;
    box-shadow: var(--shadow);
}

.ssl-section h4 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.ssl-field {
    display: flex;
    padding: 0.4rem 0;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--bg-color);
}

.ssl-field:last-child {
    border-bottom: none;
}

.ssl-label {
    font-weight: 600;
    min-width: 130px;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.ssl-value {
    color: var(--text-primary);
    word-break: break-all;
}

.san-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.san-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    font-family: 'Courier New', monospace;
    font-size: 0.82rem;
}

.chain-step {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    margin-bottom: 0.5rem;
    background: var(--card-bg);
}

.chain-step-number {
    background: var(--primary-color);
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    flex-shrink: 0;
}

.chain-step-info {
    flex: 1;
    font-size: 0.9rem;
}

.chain-step-subject {
    font-weight: 600;
}

.chain-step-dates {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* ============================================================
   SPF / DMARC Checker Styles
   ============================================================ */
.email-record-box {
    background: #1e293b;
    color: #a5f3fc;
    padding: 1rem 1.25rem;
    border-radius: 0.75rem;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    word-break: break-all;
    overflow-x: auto;
}

.mechanism-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
}

.mechanism-table th,
.mechanism-table td {
    padding: 0.6rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.mechanism-table th {
    background: var(--bg-color);
    font-weight: 600;
}

.mechanism-table td.mono {
    font-family: 'Courier New', monospace;
    font-size: 0.82rem;
}

.qualifier-badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.qualifier-pass     { background: #d1fae5; color: #065f46; }
.qualifier-fail     { background: #fee2e2; color: #991b1b; }
.qualifier-softfail { background: #fef3c7; color: #92400e; }
.qualifier-neutral  { background: #e2e8f0; color: #475569; }

.dmarc-tag-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.dmarc-tag-card {
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--card-bg);
}

.dmarc-tag-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.25rem;
}

.dmarc-tag-label {
    font-weight: 600;
    font-size: 0.9rem;
}

.dmarc-tag-value {
    font-family: 'Courier New', monospace;
    font-size: 0.82rem;
    color: var(--primary-color);
}

.dmarc-tag-desc {
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.strength-badge {
    display: inline-block;
    padding: 0.3rem 1rem;
    border-radius: 1rem;
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
}

.strength-strong   { background: #d1fae5; color: #065f46; }
.strength-moderate { background: #fef3c7; color: #92400e; }
.strength-weak     { background: #fee2e2; color: #991b1b; }

.warnings-list {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.25rem;
    box-shadow: var(--shadow);
}

.warnings-list h4 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--warning-color);
}

.warning-item {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.4rem 0;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--bg-color);
}

.warning-item:last-child {
    border-bottom: none;
}

.warning-icon {
    flex-shrink: 0;
    color: var(--warning-color);
    font-size: 1.1rem;
}

/* ============================================================
   Security Headers Checker Styles
   ============================================================ */
.grade-display {
    text-align: center;
    padding: 2rem;
    margin-bottom: 1.5rem;
}

.grade-letter {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    font-size: 2.5rem;
    font-weight: 900;
    color: white;
    margin-bottom: 0.75rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.grade-a-plus, .grade-a { background: #10b981; }
.grade-b { background: #3b82f6; }
.grade-c { background: #f59e0b; }
.grade-d { background: #f97316; }
.grade-f { background: #ef4444; }

.grade-summary {
    font-size: 1rem;
    color: var(--text-secondary);
}

.leak-warning {
    background: #fef3c7;
    border: 2px solid #f59e0b;
    border-radius: 0.75rem;
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

.leak-warning h4 {
    color: #92400e;
    margin-bottom: 0.75rem;
}

.leak-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(245, 158, 11, 0.2);
    font-size: 0.9rem;
}

.leak-item:last-child {
    border-bottom: none;
}

.leak-header-name {
    font-weight: 600;
    min-width: 140px;
    font-family: 'Courier New', monospace;
    font-size: 0.82rem;
}

.leak-header-value {
    font-family: 'Courier New', monospace;
    font-size: 0.82rem;
    color: #92400e;
}

.leak-desc {
    font-size: 0.82rem;
    color: var(--text-secondary);
}

/* ============================================================
   Shared: score bar
   ============================================================ */
.score-bar-container {
    background: var(--border-color);
    border-radius: 1rem;
    height: 0.75rem;
    overflow: hidden;
    margin: 0.5rem 0;
}

.score-bar {
    height: 100%;
    border-radius: 1rem;
    transition: width 0.6s ease;
}

.score-bar.good { background: var(--success-color); }
.score-bar.medium { background: var(--warning-color); }
.score-bar.poor { background: var(--error-color); }

/* ============================================================
   Legal Notice Page
   ============================================================ */
.legal-notice-content {
    max-width: 800px;
}

.legal-section {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin-bottom: 1.25rem;
    box-shadow: var(--shadow);
}

.legal-section h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.legal-section h4 {
    font-size: 0.95rem;
    margin: 1.25rem 0 0.5rem;
    color: var(--text-primary);
}

.legal-section h4:first-child {
    margin-top: 0;
}

.legal-section p {
    font-size: 0.92rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.legal-section p:last-child {
    margin-bottom: 0;
}

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

.legal-section a:hover {
    text-decoration: underline;
}

/* ============================================================
   What Is My IP
   ============================================================ */
.ip-loading {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-secondary);
    font-size: 1rem;
}

.ip-loading-spinner {
    width: 2.5rem;
    height: 2.5rem;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    margin: 0 auto 1rem;
}

/* IP Address Cards */
.ip-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.ip-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: border-color 0.2s;
}

.ip-card:hover {
    border-color: var(--primary-color);
}

.ip-card-unavailable {
    opacity: 0.55;
}

.ip-card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.ip-version-badge {
    display: inline-block;
    padding: 0.2rem 0.65rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.ip-version-badge.ipv4 {
    background: #dbeafe;
    color: #1d4ed8;
}

.ip-version-badge.ipv6 {
    background: #ede9fe;
    color: #6d28d9;
}

.ip-hostname {
    font-size: 0.85rem;
    color: var(--text-secondary);
    word-break: break-all;
}

.ip-no-rdns {
    font-style: italic;
    color: var(--text-secondary);
    opacity: 0.7;
}

.ip-address {
    font-size: 1.6rem;
    font-weight: 700;
    font-family: 'Courier New', monospace;
    color: var(--text-primary);
    word-break: break-all;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.ip-unavailable {
    color: var(--text-secondary);
    font-style: italic;
    font-size: 1.1rem;
    font-weight: 400;
}

.ip-detail-row {
    display: flex;
    padding: 0.35rem 0;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--bg-color);
}

.ip-detail-row:last-child {
    border-bottom: none;
}

.ip-detail-label {
    font-weight: 600;
    min-width: 110px;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.ip-detail-value {
    color: var(--text-primary);
    word-break: break-all;
}

/* Geo layout: info + map side by side */
.ip-geo-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.ip-geo-info {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.25rem;
    box-shadow: var(--shadow);
}

.ip-geo-info h3,
.ip-map-container h3 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.ip-geo-row {
    display: flex;
    padding: 0.5rem 0;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--bg-color);
}

.ip-geo-row:last-child {
    border-bottom: none;
}

.ip-geo-label {
    font-weight: 600;
    min-width: 130px;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.ip-geo-value {
    color: var(--text-primary);
    word-break: break-all;
}

/* Map */
.ip-map-container {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.25rem;
    box-shadow: var(--shadow);
}

.ip-map {
    height: 360px;
    border-radius: 0.5rem;
    z-index: 1;
}

/* Error banner */
.error-banner {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
    border-radius: 0.75rem;
    padding: 1rem 1.25rem;
    font-size: 0.92rem;
}

@media (max-width: 768px) {
    .ip-geo-layout {
        grid-template-columns: 1fr;
    }

    .ip-cards {
        grid-template-columns: 1fr;
    }

    .ip-address {
        font-size: 1.2rem;
    }

    .ip-map {
        height: 280px;
    }
}

/* Loading Animation */
@keyframes spin {
    to { transform: rotate(360deg); }
}

.btn-loader::before {
    content: '';
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid rgba(30, 41, 59, 0.3);
    border-top-color: #1e293b;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-right: 0.5rem;
}

/* ── Email Authentication Checker ─────────────────────────── */
.auth-score-card {
    padding: 1.5rem;
    border-radius: 0.75rem;
    text-align: center;
    margin-bottom: 2rem;
    border: 2px solid;
}

.auth-score-card .auth-score-number {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.auth-score-card .auth-score-label {
    font-size: 1rem;
    font-weight: 600;
}

.auth-rating-good {
    background: #d1fae5;
    color: #065f46;
    border-color: #10b981;
}

.auth-rating-fair {
    background: #fef3c7;
    color: #92400e;
    border-color: #f59e0b;
}

.auth-rating-poor {
    background: #fee2e2;
    color: #991b1b;
    border-color: #ef4444;
}

.auth-section {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 0.75rem;
    border: 1px solid #e2e8f0;
}

.auth-section-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.auth-section-header h4 {
    font-size: 1.15rem;
    margin: 0;
}

.auth-section-full {
    font-weight: 400;
    color: #64748b;
    font-size: 0.9rem;
}

.auth-explanation {
    color: #475569;
    font-size: 0.92rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #e2e8f0;
}

.auth-not-found {
    color: #991b1b;
    font-style: italic;
    margin: 0.5rem 0;
}

.label-hint {
    color: #94a3b8;
    font-weight: 400;
    font-size: 0.85em;
}

.tool-card-featured {
    border-left: 4px solid var(--primary-color);
}

/* ── Server Monitor ────────────────────────────────────────── */
.monitor-port-groups {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 0.5rem;
}

.monitor-port-group {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 0.5rem;
    padding: 0.5rem 0.75rem;
}

.monitor-port-group-label {
    font-weight: 600;
    font-size: 0.85rem;
    color: #475569;
    margin-right: 0.25rem;
    min-width: 3.5rem;
}

.monitor-port-check {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.9rem;
    cursor: pointer;
    padding: 0.15rem 0.4rem;
    border-radius: 0.25rem;
    user-select: none;
}

.monitor-port-check:hover {
    background: #e2e8f0;
}

.monitor-table td {
    vertical-align: middle;
}

.monitor-port-badge {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 0.15rem 0.45rem;
    border-radius: 0.25rem;
    margin: 0.1rem;
    border: 1px solid transparent;
}

.monitor-port-up {
    background: #d1fae5;
    color: #065f46;
    border-color: #6ee7b7;
}

.monitor-port-down {
    background: #fee2e2;
    color: #991b1b;
    border-color: #fca5a5;
}

.monitor-port-unknown {
    background: #f1f5f9;
    color: #64748b;
    border-color: #cbd5e1;
}

.btn-delete-monitor {
    background: none;
    border: 1px solid #e2e8f0;
    border-radius: 0.375rem;
    cursor: pointer;
    color: #94a3b8;
    font-size: 0.85rem;
    padding: 0.25rem 0.5rem;
    transition: color 0.15s, border-color 0.15s;
}

.btn-delete-monitor:hover {
    color: #ef4444;
    border-color: #ef4444;
}

.monitor-loading {
    color: #94a3b8;
    font-style: italic;
}