:root {
    --bg-main: #0B0F19;
    --bg-card: rgba(20, 27, 45, 0.65);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #F3F4F6;
    --text-secondary: #9CA3AF;
    --primary: #6366F1;
    --primary-glow: rgba(99, 102, 241, 0.15);
    --accent: #10B981;
    --accent-glow: rgba(16, 185, 129, 0.15);
    --danger: #EF4444;
    --danger-glow: rgba(239, 68, 68, 0.15);
    --warning: #F59E0B;
    --warning-glow: rgba(245, 158, 11, 0.15);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-body);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    position: relative;
}

/* Premium Ambient Backlight */
.glow-bg {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, rgba(16, 185, 129, 0.03) 70%, rgba(0,0,0,0) 100%);
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    z-index: -1;
    pointer-events: none;
    filter: blur(80px);
}

.container {
    max-width: 1100px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    flex-grow: 1;
}

/* Glassmorphism Cards */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--glass-shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card:hover {
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 10px 40px -10px rgba(99, 102, 241, 0.15);
    transform: translateY(-2px);
}

/* App Header styling */
.app-header {
    text-align: center;
    padding: 3rem 1.5rem 1rem;
}

.app-header .logo {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.app-header .shield-icon {
    font-size: 2.2rem;
    filter: drop-shadow(0 0 12px var(--primary));
}

.app-header h1 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, #FFFFFF 50%, #CBCBCB 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.app-header h1 span {
    background: linear-gradient(135deg, var(--primary) 0%, #818CF8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.app-header .tagline {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Search Area */
.search-section {
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.search-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary), #818CF8);
}

.search-section h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.search-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.search-form .input-group {
    display: flex;
    gap: 0.75rem;
}

.search-form input[type="text"] {
    flex-grow: 1;
    background: rgba(11, 15, 25, 0.8);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1rem 1.25rem;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-primary);
    outline: none;
    transition: all 0.2s;
}

.search-form input[type="text"]:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.search-form button {
    background: linear-gradient(135deg, var(--primary) 0%, #4F46E5 100%);
    border: none;
    border-radius: 10px;
    padding: 0 2rem;
    color: white;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    min-width: 160px;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.search-form button:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.4);
}

.search-form button:active {
    transform: translateY(1px);
}

.error-msg {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    background: var(--danger-glow);
    border: 1px solid rgba(239, 68, 68, 0.25);
    border-radius: 8px;
    color: #FCA5A5;
    font-size: 0.9rem;
    line-height: 1.4;
}

/* Spinner Loader */
.loader {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s linear infinite;
    position: absolute;
}

.hidden {
    display: none !important;
}

/* Results section styling */
.results-section {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    animation: fadeInUp 0.5s ease-out forwards;
}

/* Summary Card (Score Ring + Info) */
.summary-card {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 2.5rem;
    align-items: center;
}

@media (max-width: 768px) {
    .summary-card {
        grid-template-columns: 1fr;
        justify-items: center;
        text-align: center;
    }
}

.grade-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.grade-ring {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(var(--bg-main) 60%, transparent 61%), 
                conic-gradient(var(--primary) 0%, var(--primary) 100%);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
    position: relative;
    border: 4px solid rgba(255, 255, 255, 0.05);
}

.grade-value {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 800;
    color: white;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
}

.stats-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
}

.stats-container h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
}

.badge-row {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .badge-row {
        justify-content: center;
    }
}

.badge {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 0.35rem 0.85rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
}

#sslBadge.secure {
    background: var(--accent-glow);
    border-color: rgba(16, 185, 129, 0.3);
    color: #A7F3D0;
}

#sslBadge.insecure {
    background: var(--danger-glow);
    border-color: rgba(239, 68, 68, 0.3);
    color: #FCA5A5;
}

#scoreBadge {
    background: var(--primary-glow);
    border-color: rgba(99, 102, 241, 0.3);
    color: #C7D2FE;
}

.progress-bar-container {
    margin-top: 0.5rem;
}

.progress-bar-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.35rem;
    font-weight: 500;
}

.progress-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(to right, var(--primary), #818CF8);
    border-radius: 4px;
    transition: width 1s ease-out;
}

.stats-summary {
    display: flex;
    gap: 3rem;
    margin-top: 0.5rem;
}

@media (max-width: 768px) {
    .stats-summary {
        justify-content: center;
    }
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
}

.stat-lbl {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.text-danger {
    color: var(--danger) !important;
}

/* SSL Certificate info grid */
.ssl-card h3, .details-section h3, .remediation-section h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
}

.ssl-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.ssl-info-item {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.ssl-info-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.ssl-info-value {
    font-size: 0.95rem;
    font-weight: 600;
    word-break: break-all;
}

.ssl-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.4rem 0.85rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 700;
    width: fit-content;
}

.ssl-badge.secure {
    background: var(--accent-glow);
    color: #10B981;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.ssl-badge.expired {
    background: var(--danger-glow);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Accordion Audited Headers styles */
.headers-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.header-row {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.2s ease-in-out;
}

.header-row:hover {
    border-color: rgba(255, 255, 255, 0.15);
}

.header-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    cursor: pointer;
    user-select: none;
}

.header-title-block {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.header-name {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
}

.header-tagline {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.header-status-block {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.status-indicator {
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
}

.status-indicator.configured {
    background: var(--accent-glow);
    color: #10B981;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-indicator.missing {
    background: var(--danger-glow);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.arrow-icon {
    font-size: 0.8rem;
    transition: transform 0.2s ease;
    color: var(--text-secondary);
}

.header-row.open .arrow-icon {
    transform: rotate(180deg);
}

.header-detail {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
    background: rgba(0, 0, 0, 0.15);
}

.header-row.open .header-detail {
    max-height: 1000px;
    transition: max-height 0.3s cubic-bezier(1, 0, 1, 0);
}

.detail-content {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.detail-desc {
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-secondary);
}

.detail-value-block {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    padding: 1rem;
    border: 1px solid var(--border-color);
}

.detail-value-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.detail-value-content {
    font-family: monospace;
    font-size: 0.85rem;
    color: var(--primary);
    word-break: break-all;
}

/* Remediation & Tabs styling */
.remediation-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.tabs-header {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
    overflow-x: auto;
    gap: 0.5rem;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 0.75rem 1.25rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
}

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

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

.tab-pane {
    display: none;
    animation: fadeIn 0.3s ease;
    position: relative;
}

.tab-pane.active {
    display: block;
}

.tab-pane pre {
    background: #060913;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1.25rem;
    overflow-x: auto;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    line-height: 1.5;
    color: #E5E7EB;
}

.copy-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.75rem;
    padding: 0.4rem 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
}

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

/* Skeleton Loading Animation */
.skeleton-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.skeleton {
    background: linear-gradient(90deg, var(--bg-card) 25%, rgba(255, 255, 255, 0.05) 50%, var(--bg-card) 75%);
    background-size: 200% 100%;
    animation: loadingShimmer 1.5s infinite;
}

.skeleton-header {
    height: 180px;
}

.skeleton-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

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

.skeleton-block {
    height: 150px;
}

/* App Footer styles */
.app-footer {
    text-align: center;
    padding: 3rem 1.5rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    margin-top: 4rem;
}

/* Advanced Audits Grid */
.advanced-audits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.dns-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.dns-record {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    padding: 1rem;
    border-radius: 8px;
}

.dns-record-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.dns-record-title {
    font-weight: 700;
    font-family: var(--font-heading);
}

.dns-record-content {
    font-family: monospace;
    font-size: 0.85rem;
    color: var(--text-secondary);
    word-break: break-all;
}

.cookie-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.cookie-item {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
}

.cookie-name {
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
    word-break: break-all;
}

.cookie-flags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.flag {
    font-size: 0.75rem;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-weight: 600;
}

.flag.good {
    background: var(--accent-glow);
    color: #10B981;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.flag.bad {
    background: var(--danger-glow);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.advanced-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.advanced-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.advanced-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.advanced-item-title {
    font-weight: 600;
    display: flex;
    justify-content: space-between;
}

.advanced-item-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Keyframes animations */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes loadingShimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}