:root {
    --bg-dark: #0a0e1a;
    --card-bg: #111827;
    --border-color: #1f2937;
    --accent-primary: #00d4ff;
    --accent-success: #10b981;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;
    --accent-info: #6366f1;
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --text-muted: #4b5563;
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'IBM Plex Mono', ui-monospace, SFMono-Regular, monospace;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

/* Hero Section & Background */
.page-bg-grid {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: -1;
    background-image: 
      linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 30px 30px;
    pointer-events: none;
}

.hero-section {
    text-align: center;
    padding: 3rem 1rem 1rem;
}
.hero-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}
.hero-title {
    font-family: var(--font-sans);
    font-size: 2.5rem;
    font-weight: 900;
    letter-spacing: 0.15em;
    color: white;
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.6);
    margin-bottom: 0.5rem;
}
.hero-subtitle {
    color: var(--accent-primary);
    font-size: 0.9rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    font-family: var(--font-mono);
}
.hero-desc {
    color: #9ca3af;
    font-size: 1rem;
    max-width: 500px;
    margin: 0 auto 2rem;
}
.hero-badges {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem;
}
.hero-badge {
    background: #1f2937;
    border: 1px solid #374151;
    color: #6ee7b7;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.8rem;
    font-family: var(--font-mono);
}

/* Onboarding */
.onboarding-card {
    background: #111827;
    border: 1px solid #1f2937;
    border-left: 3px solid #00d4ff;
    border-radius: 8px;
    padding: 20px;
    font-size: 0.9rem;
    color: #9ca3af;
    margin-bottom: 2rem;
    display: none;
}
@keyframes slideUp {
  to { opacity: 0; transform: translateY(-10px); }
}
.onboarding-title {
    font-family: var(--font-mono);
    color: white;
    font-weight: 700;
    margin-bottom: 0.5rem;
}
.onboarding-divider {
    border: none;
    border-top: 1px dashed #374151;
    margin: 0.5rem 0 1rem;
}
.onboarding-content p {
    margin-bottom: 0.75rem;
}
.onboarding-dismiss {
    background: transparent;
    border: 1px solid #4b5563;
    color: #d1d5db;
    padding: 0.4rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-family: var(--font-mono);
    margin-top: 0.5rem;
    transition: all 0.2s;
}
.onboarding-dismiss:hover {
    background: #374151;
    color: white;
}

/* Input form */
.scan-section {
    margin-top: 2rem;
    margin-bottom: 2rem;
}
.terminal-input-wrapper {
    display: flex;
    align-items: stretch;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 0.5rem 0.5rem 0.5rem 1rem;
    position: relative;
    transition: all 0.2s;
}
.terminal-input-wrapper:focus-within {
    border-color: var(--accent-primary);
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.2);
}
.prompt-icon {
    font-family: var(--font-mono);
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    margin-right: 0.75rem;
    font-weight: 700;
}
#url-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 1.1rem;
    outline: none;
}
#scan-btn {
    background: var(--accent-primary);
    color: #000;
    border: none;
    border-radius: 2px;
    padding: 0.5rem 1.5rem;
    font-family: var(--font-mono);
    font-weight: 700;
    cursor: pointer;
    transition: filter 0.2s;
}
#scan-btn:hover {
    filter: brightness(1.2);
}
#scan-btn:disabled {
    filter: brightness(0.7);
    cursor: not-allowed;
}
.blink {
    animation: blinker 1s linear infinite;
}
@keyframes blinker {
    50% { opacity: 0; }
}
.quick-links {
    margin-top: 1rem;
}
.chips-container {
    display: flex;
    overflow-x: auto;
    gap: 0.5rem;
    scrollbar-width: none;
}
.chips-container::-webkit-scrollbar {
    display: none;
}
.chip {
    background: #1f2937;
    border: 1px solid #374151;
    color: var(--text-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    white-space: nowrap;
    text-decoration: none;
    transition: all 0.2s;
    font-size: 0.85rem;
    cursor: pointer;
}
.chip:hover {
    background: var(--accent-primary);
    color: black;
    border-color: var(--accent-primary);
}
.error-banner {
    margin-top: 1rem;
    background: rgba(239, 68, 68, 0.1);
    color: var(--accent-danger);
    border-left: 4px solid var(--accent-danger);
    padding: 1rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

/* Animations Component */
@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.animate-in {
    opacity: 0;
    animation: fadeSlideUp 0.4s ease-out forwards;
}
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

/* Pulse cyan for input wrapper */
@keyframes pulseCyanBorder {
    0% { box-shadow: 0 0 0 0 rgba(0, 212, 255, 0.4); border-color: var(--accent-primary); }
    70% { box-shadow: 0 0 0 10px rgba(0, 212, 255, 0); border-color: rgba(0, 212, 255, 0.5); }
    100% { box-shadow: 0 0 0 0 rgba(0, 212, 255, 0); border-color: var(--border-color); }
}
.terminal-input-wrapper.loading {
    animation: pulseCyanBorder 1.5s infinite;
    border-color: var(--accent-primary);
}
.fetching-text {
    font-size: 0.85rem;
    color: var(--accent-primary);
    margin-top: 0.5rem;
    font-family: var(--font-mono);
    text-align: center;
}

/* Share button */
.share-btn {
    background: transparent;
    border: 1px solid var(--accent-primary);
    color: var(--accent-primary);
    padding: 0.4rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-family: var(--font-mono);
    transition: all 0.2s;
}
.share-btn:hover {
    background: rgba(0, 212, 255, 0.1);
}

/* Generic Terminal Box */
.terminal-box {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}
.t-divider {
    border-top: 1px dashed var(--border-color);
    margin: 1rem 0;
}
.t-title {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

/* Score Card */
.t-row {
    display: flex;
    align-items: center;
}
.t-header {
    justify-content: space-between;
}
.t-label {
    font-family: var(--font-mono);
    color: var(--text-secondary);
}
.target-url {
    font-family: var(--font-mono);
    color: var(--accent-primary);
}

.t-main-score {
    margin: 1.5rem 0;
    gap: 2rem;
}
.grade-box {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    border: 2px solid;
    font-size: 2rem;
    font-weight: 700;
}
/* Handled dynamically by JS for colors */
.grade-A { border-color: var(--accent-success); color: var(--accent-success); text-shadow: 0 0 10px rgba(16, 185, 129, 0.5); box-shadow: inset 0 0 10px rgba(16, 185, 129, 0.1), 0 0 15px rgba(16, 185, 129, 0.2); }
.grade-B { border-color: var(--accent-primary); color: var(--accent-primary); }
.grade-C { border-color: var(--accent-warning); color: var(--accent-warning); }
.grade-D { border-color: #f97316; color: #f97316; }
.grade-F { border-color: var(--accent-danger); color: var(--accent-danger); text-shadow: 0 0 10px rgba(239, 68, 68, 0.5); animation: alert-pulse 2s infinite; }
@keyframes alert-pulse { 0% {box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4);} 70% {box-shadow: 0 0 0 10px rgba(239, 68, 68, 0);} 100% {box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);} }

.score-right {
    display: flex;
    flex-direction: column;
}
.score-fraction {
    font-family: var(--font-mono);
    font-size: 1.5rem;
}
.score-text-label {
    color: var(--text-secondary);
    font-size: 1.1rem;
    text-transform: uppercase;
}

.t-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
}
.stat-line {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}
.stat-label { color: var(--text-secondary); }
.stat-val { font-family: var(--font-mono); }
.progress-bar-bg {
    width: 100px;
    height: 8px;
    background: var(--border-color);
    border-radius: 2px;
    overflow: hidden;
}
.progress-bar-fill {
    height: 100%;
    background: var(--accent-success);
    width: 0%;
    transition: width 1s ease-out;
}

/* Why Score Section */
.why-score-section .score-breakdown-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}
@media(max-width: 768px) {
    .why-score-section .score-breakdown-grid { grid-template-columns: 1fr; }
}
.score-group-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}
.score-item {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}
.context-paragraph {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Analysis Layout */
.analysis-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 2rem;
}
@media (max-width: 768px) {
    .analysis-grid {
        grid-template-columns: 1fr;
    }
}
.section-title {
    font-family: var(--font-sans);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}
.human-explanation {
    margin-top: 1.5rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    font-size: 0.95rem;
    color: var(--text-primary);
    line-height: 1.5;
}
.tooltip-container {
    position: relative;
    cursor: help;
}
.tooltip {
    visibility: hidden;
    width: 280px;
    background-color: #1f2937;
    color: #d1d5db;
    text-align: left;
    border-radius: 8px;
    padding: 12px 16px;
    border: 1px solid #374151;
    position: absolute;
    z-index: 100;
    bottom: 125%;
    left: 50%;
    margin-left: -140px;
    opacity: 0;
    transition: opacity 0.3s;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}
.tooltip-container:hover .tooltip,
.tooltip-container.active-tooltip .tooltip {
    visibility: visible;
    opacity: 1;
}
.tech-details-block summary {
    outline: none;
}
.tech-details-block summary::-webkit-details-marker {
    display: none;
}
.tech-details-block[open] .expand-indicator {
    transform: rotate(180deg);
    display: inline-block;
}
/* Modal Styles */
.modal {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}
.modal.hidden {
    display: none;
}
.modal-content {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    width: 90%;
    max-width: 500px;
}
.modal-title {
    font-family: var(--font-mono);
    color: white;
    font-size: 1.1rem;
    margin-bottom: 1rem;
}
.modal-divider {
    border: none;
    border-top: 1px dashed var(--border-color);
    margin: 0 0 1.5rem;
}
.share-preview {
    background: #0d1117;
    padding: 1rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    white-space: pre-wrap;
    margin-bottom: 1.5rem;
}
.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}
.modal-btn {
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-family: var(--font-mono);
    cursor: pointer;
    font-size: 0.9rem;
}
.modal-btn.primary {
    background: var(--accent-primary);
    color: black;
    border: none;
}
.modal-btn.secondary {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}
.modal-btn:hover {
    filter: brightness(1.1);
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.grid-container {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.grid-row {
    display: flex;
    align-items: center;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    border-radius: 4px;
    cursor: default;
    transition: border-color 0.2s;
}
.grid-row:hover {
    border-left: 4px solid var(--accent-primary);
    padding-left: calc(1rem - 3px);
}
.grid-status {
    width: 120px;
}
.grid-name {
    flex: 1;
    font-family: var(--font-mono);
    font-size: 0.9rem;
}
.grid-arrow {
    color: var(--text-muted);
}
.badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border-radius: 9999px; /* pill shaped */
    font-size: 0.75rem;
    font-weight: 600;
    font-family: var(--font-sans);
}

.badge-enforced { background: var(--accent-success); color: #fff; }
.badge-observed { background: var(--accent-primary); color: #000; }
.badge-missing { background: var(--accent-danger); color: #fff; }
.badge-preload { background: var(--accent-primary); color: #000; }
.badge-legacy { background: var(--text-muted); color: #fff; }
.badge-weak { background: var(--accent-warning); color: #000; }

.findings-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.finding-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}
.finding-card[open] {
    border-left-width: 4px;
}
.finding-card.priority-high[open] { border-left-color: var(--accent-danger); }
.finding-card.priority-medium[open] { border-left-color: var(--accent-warning); }
.finding-card.priority-low[open] { border-left-color: var(--accent-info); }
.finding-card.priority-info[open] { border-left-color: var(--text-secondary); }
.finding-card.priority-pass[open] { border-left-color: var(--accent-success); }


.finding-header {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    cursor: pointer;
    font-family: var(--font-mono);
}
.finding-header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}
.finding-header-bottom {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-secondary);
}
.expand-label {
    color: var(--accent-secondary);
}
.finding-card[open] .expand-label { display: none; }

.finding-details {
    padding: 1rem;
    border-top: 1px solid var(--border-color);
    background: var(--bg-dark);
}
.detail-sec {
    margin-bottom: 1rem;
}
.detail-title {
    font-family: var(--font-mono);
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
}
.detail-text {
    font-size: 0.95rem;
}
.reco-box {
    background: #0d1117;
    margin-top: 0.5rem;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent-success);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.copy-fix-btn {
    background: transparent;
    border: 1px solid var(--text-muted);
    color: var(--text-primary);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    cursor: pointer;
}
.copy-fix-btn:hover {
    border-color: var(--text-primary);
}

.raw-headers { margin-top: 2rem; }
.code-box {
    background: #0d1117;
    overflow-x: auto;
    font-size: 0.9rem;
    padding: 1rem;
}
.syntax-key { color: var(--accent-success); }
.syntax-string { color: var(--accent-warning); }

.copy-btn {
    background: transparent;
    border: none;
    color: var(--accent-primary);
    font-family: var(--font-mono);
    cursor: pointer;
}

.app-footer {
    padding: 2rem;
    display: flex;
    justify-content: center;
    margin-top: auto;
}
.footer-terminal {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    text-align: center;
    color: var(--text-secondary);
}
.f-line { margin-bottom: 0.25rem; }
.f-divider { border-top: 1px solid var(--border-color); margin: 0.5rem 0; width: 100%; max-width: 400px; margin-left: auto; margin-right: auto;}
.f-links a {
    color: var(--accent-primary);
    text-decoration: none;
    margin: 0 0.5rem;
}
.hidden { display: none !important; }

/* Splash Screen */
.splash-screen {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: #0a0e1a;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.splash-skip {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    color: #4b5563;
    font-size: 0.85rem;
    font-family: var(--font-mono);
    cursor: pointer;
    transition: color 0.2s;
}
.splash-skip:hover { color: #d1d5db; }
.splash-content {
    text-align: center;
    position: relative;
    height: 300px;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}
.splash-step {
    position: absolute;
    animation: fadeIn 0.5s forwards;
    display: flex;
    flex-direction: column;
    align-items: center;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeOut {
    to { opacity: 0; pointer-events: none; }
}

.splash-shield {
    font-size: 6rem;
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0% { transform: scale(0.95); opacity: 0.8; }
    50% { transform: scale(1.05); opacity: 1; }
    100% { transform: scale(0.95); opacity: 0.8; }
}
.splash-text-main { color: #9ca3af; font-size: 1.5rem; max-width: 400px; line-height: 1.4; }
.splash-text-danger { color: #ef4444; font-size: 2.5rem; font-weight: 700; margin-bottom: 0.5rem; }
.splash-text-sub { color: #9ca3af; font-size: 1.25rem; }
.splash-text-info { color: var(--accent-primary); font-size: 1.5rem; margin-bottom: 1.5rem; font-weight: 700; }
.splash-list { text-align: left; list-style: none; padding: 0; color: #d1d5db; display: inline-block; }
.splash-li { margin-bottom: 0.75rem; font-size: 1.1rem; }
.splash-text-free { color: var(--accent-success); font-weight: 700; font-size: 1.5rem; margin-bottom: 2rem; }
.splash-btn {
    background: var(--accent-primary); color: #000; border: none; padding: 1rem 2rem; border-radius: 8px; font-weight: 700; cursor: pointer; transition: filter 0.2s; font-size: 1.1rem;
}

#results-container {
    display: none;
}
.splash-btn:hover { filter: brightness(1.2); }
.splash-dots {
    position: absolute;
    bottom: 2rem;
    display: flex;
    gap: 0.5rem;
}
.splash-dot { width: 8px; height: 8px; border-radius: 50%; background: #374151; transition: background 0.3s; }
.splash-dot.active { background: var(--accent-primary); }

/* How It Works Container */
.how-it-works-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    padding: 0 1rem;
    margin-bottom: 2rem;
}
.hiw-step {
    background: #111827;
    border: 1px solid #1f2937;
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
    font-size: 0.85rem;
    color: #9ca3af;
    position: relative;
    width: 140px;
}
.hiw-num { color: var(--accent-primary); font-family: var(--font-mono); margin-bottom: 0.25rem; font-weight: bold; font-size:0.9rem;}
.hiw-icon { font-size: 1.5rem; margin-bottom: 0.5rem; }
.hiw-arrow { color: #374151; font-size: 1.5rem; }

@media (max-width: 600px) {
    .how-it-works-container {
        flex-direction: column;
        gap: 0.5rem;
    }
    .hiw-arrow { transform: rotate(90deg); margin: 0.25rem 0; }
    .hero-title { font-size: 1.8rem; }
    .hero-desc { font-size: 0.9rem; }
    .splash-text-main { font-size: 1.25rem; }
    .splash-text-danger { font-size: 2rem; }
    .splash-text-info { font-size: 1.25rem; }
}