:root {
    --bg-color: #0d0f17;
    --card-bg: rgba(22, 28, 45, 0.4);
    --card-border: rgba(255, 255, 255, 0.08);
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-glow: rgba(99, 102, 241, 0.35);
    --accent: #06b6d4;
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-sans: 'Inter', -apple-system, sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    padding: 2rem 1rem;
}

/* Glow Background Effects */
.glow-bg {
    position: fixed;
    top: -20%;
    left: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, var(--primary-glow) 0%, rgba(13, 15, 23, 0) 70%);
    z-index: -1;
    pointer-events: none;
    filter: blur(80px);
}

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

/* Header */
header {
    text-align: center;
    margin-bottom: 3rem;
}

header .logo {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #a78bfa, #22d3ee);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

header h1 {
    font-family: var(--font-display);
    font-size: 2.75rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    margin-bottom: 0.75rem;
    background: linear-gradient(to right, #f3f4f6, #9ca3af);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

header .subtitle {
    color: var(--text-muted);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Cards & Glassmorphism */
.glass {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 16px;
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease;
}

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

.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

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

.card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--card-border);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.card-header h2 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
}

.badge-step {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.card-body {
    padding: 1.5rem;
    flex-grow: 1;
}

.description {
    color: var(--text-muted);
    margin-bottom: 1rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
}

select {
    width: 100%;
    background-color: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--card-border);
    color: var(--text-main);
    padding: 0.75rem;
    border-radius: 8px;
    font-size: 1rem;
    outline: none;
    cursor: pointer;
    transition: border-color 0.2s ease;
}

select:focus {
    border-color: var(--primary);
}

/* Toggle Group */
.toggle-group {
    display: flex;
    background-color: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--card-border);
    padding: 0.25rem;
    border-radius: 8px;
    gap: 0.25rem;
}

.toggle-btn {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.toggle-btn.active {
    background-color: var(--primary);
    color: #fff;
    box-shadow: 0 4px 12px var(--primary-glow);
}

/* Prompt Box */
.prompt-box {
    margin-top: 1.5rem;
    border: 1px solid var(--card-border);
    border-radius: 12px;
    overflow: hidden;
    background-color: rgba(10, 15, 26, 0.8);
}

.prompt-header {
    background-color: rgba(22, 28, 45, 0.6);
    padding: 0.75rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--card-border);
}

.prompt-header .filename {
    font-family: monospace;
    font-size: 0.875rem;
    color: var(--accent);
}

.copy-btn {
    background-color: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.copy-btn:hover {
    background-color: var(--primary);
    color: #fff;
    box-shadow: 0 0 10px var(--primary-glow);
}

.prompt-content {
    padding: 1rem;
    font-family: monospace;
    font-size: 0.875rem;
    max-height: 250px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-all;
    color: #cbd5e1;
}

/* Tip Box */
.tip-box {
    margin-top: 1.5rem;
    background: rgba(99, 102, 241, 0.05);
    border-left: 3px solid var(--primary);
    padding: 1rem;
    border-radius: 0 8px 8px 0;
}

.tip-box h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #a5b4fc;
}

.tip-box ol {
    padding-left: 1.25rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.tip-box ol li {
    margin-bottom: 0.25rem;
}

/* Textarea & Inputs */
.textarea-wrapper {
    margin-bottom: 1.5rem;
    border: 1px solid var(--card-border);
    border-radius: 12px;
    overflow: hidden;
}

textarea {
    width: 100%;
    height: 380px;
    background-color: rgba(10, 15, 26, 0.8);
    border: none;
    color: #e2e8f0;
    font-family: monospace;
    font-size: 0.875rem;
    padding: 1rem;
    resize: none;
    outline: none;
}

.primary-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: #fff;
    border: none;
    padding: 0.875rem;
    border-radius: 8px;
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 14px var(--primary-glow);
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--primary-glow);
}

.primary-btn:active {
    transform: translateY(0);
}

/* Result Section */
.result-card {
    margin-top: 2rem;
}

.tabs {
    display: flex;
    gap: 0.5rem;
    margin-left: auto;
}

.tab-btn {
    background-color: transparent;
    border: 1px solid var(--card-border);
    color: var(--text-muted);
    padding: 0.35rem 0.875rem;
    border-radius: 6px;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tab-btn.active {
    background-color: rgba(255, 255, 255, 0.1);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.25);
}

.tab-content {
    padding: 1rem 0;
}

/* Verdict visual layout */
.verdict-summary {
    display: flex;
    align-items: center;
    gap: 3rem;
    background-color: rgba(15, 23, 42, 0.4);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
}

@media (max-width: 600px) {
    .verdict-summary {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
        text-align: center;
    }
}

.score-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.score-circle {
    position: relative;
    width: 140px;
    height: 140px;
}

.score-circle svg {
    width: 140px;
    height: 140px;
    transform: rotate(-90deg);
}

.score-circle circle {
    fill: none;
    stroke-width: 8;
    stroke: rgba(255, 255, 255, 0.05);
}

.score-circle circle:last-child {
    stroke: var(--success);
    stroke-linecap: round;
    stroke-dasharray: 377; /* 2 * PI * r = 376.99 */
    stroke-dashoffset: 0;
    transition: stroke-dashoffset 1s ease-in-out, stroke 1s ease;
}

.score-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-display);
    text-align: center;
}

.score-value #verdict-score {
    font-size: 2.25rem;
    font-weight: 800;
}

.score-value .total {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.score-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.verdict-meta {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.badge-conclusion {
    display: inline-block;
    align-self: flex-start;
    padding: 0.35rem 1rem;
    border-radius: 8px;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

/* Conclusion Colors */
.badge-conclusion.trustworthy {
    background-color: rgba(16, 185, 129, 0.15);
    border: 1px solid var(--success);
    color: var(--success);
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.1);
}
.badge-conclusion.questionable {
    background-color: rgba(245, 158, 11, 0.15);
    border: 1px solid var(--warning);
    color: var(--warning);
    box-shadow: 0 0 15px rgba(245, 158, 11, 0.1);
}
.badge-conclusion.untrustworthy {
    background-color: rgba(239, 68, 68, 0.15);
    border: 1px solid var(--danger);
    color: var(--danger);
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.1);
}

.meta-row {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px dashed var(--card-border);
    padding-bottom: 0.25rem;
}

.meta-row .label {
    color: var(--text-muted);
}

.meta-row .value {
    font-weight: 600;
}

/* Flags / Alerts */
.alert-section {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 12px;
    padding: 1.25rem;
    margin-bottom: 2rem;
}

.alert-section h3 {
    font-family: var(--font-display);
    color: #fca5a5;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.flag-list {
    list-style-type: none;
}

.flag-list li {
    font-size: 0.875rem;
    color: #fecaca;
    margin-bottom: 0.35rem;
    position: relative;
    padding-left: 1.25rem;
}

.flag-list li::before {
    content: "•";
    color: var(--danger);
    font-weight: bold;
    position: absolute;
    left: 0.25rem;
}

/* Probes Grids */
.probes-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

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

.probe-list-card {
    background-color: rgba(15, 23, 42, 0.2);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 1.25rem;
}

.probe-list-card h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 0.5rem;
}

.table-wrapper {
    overflow-x: auto;
}

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

th, td {
    padding: 0.6rem 0.5rem;
    border-bottom: 1px solid var(--card-border);
}

th {
    color: var(--text-muted);
    font-weight: 500;
}

.pass-yes {
    color: var(--success);
    font-weight: bold;
}

.pass-no {
    color: var(--danger);
    font-weight: bold;
}

.state-warn {
    color: var(--warning);
}

.capability-summary {
    margin-top: 1rem;
    text-align: right;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.capability-summary strong {
    color: var(--text-main);
    font-size: 1rem;
}

/* Markdown tab layout */
.markdown-view {
    background-color: rgba(10, 15, 26, 0.8);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 1.25rem;
    font-family: monospace;
    font-size: 0.875rem;
    max-height: 500px;
    overflow-y: auto;
    white-space: pre-wrap;
    color: #cbd5e1;
}

/* Footer */
footer {
    text-align: center;
    margin-top: 4rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}

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

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

/* Utilities */
.hidden {
    display: none !important;
}