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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    background: linear-gradient(135deg, #020617 0%, #0f172a 50%, #020617 100%);
    color: #f8fafc;
    min-height: 100vh;
}

.container { max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; }

/* Header */
header {
    border-bottom: 1px solid #334155;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 0;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #22d3ee, #3b82f6);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

h1 { font-size: 1.5rem; font-weight: 700; }
.subtitle { font-size: 0.875rem; color: #94a3b8; }

.github-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: #1e293b;
    border-radius: 0.5rem;
    text-decoration: none;
    color: #f8fafc;
    transition: background 0.3s;
}

.github-link:hover { background: #334155; }

/* Cards */
.card {
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid #334155;
    border-radius: 0.75rem;
    padding: 2rem;
    margin-bottom: 1.5rem;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.icon-cyan { color: #22d3ee; }

/* Upload Zone */
.upload-zone {
    border: 2px dashed #475569;
    border-radius: 0.75rem;
    padding: 3rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
}

.upload-zone:hover {
    border-color: #22d3ee;
    background: rgba(34, 211, 238, 0.05);
}

.upload-zone input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.upload-icon {
    font-size: 4rem;
    color: #475569;
    margin-bottom: 1rem;
}

.upload-text {
    font-size: 1.25rem;
    color: #cbd5e1;
    margin-bottom: 0.5rem;
}

.upload-subtext {
    font-size: 0.875rem;
    color: #64748b;
}

.file-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #1e293b;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    margin-top: 1rem;
}

/* Buttons */
.button-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

button {
    padding: 0.5rem 1rem;
    border: 1px solid;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: inherit;
}

.btn-red { background: rgba(127, 29, 29, 0.3); border-color: #b91c1c; color: #fca5a5; }
.btn-red:hover { background: rgba(127, 29, 29, 0.5); }

.btn-orange { background: rgba(124, 45, 18, 0.3); border-color: #c2410c; color: #fdba74; }
.btn-orange:hover { background: rgba(124, 45, 18, 0.5); }

.btn-green { background: rgba(20, 83, 45, 0.3); border-color: #15803d; color: #86efac; }
.btn-green:hover { background: rgba(20, 83, 45, 0.5); }

.btn-cyan { background: #0e7490; border-color: #0e7490; color: white; }
.btn-cyan:hover { background: #06b6d4; }

.btn-purple { background: rgba(88, 28, 135, 0.3); border-color: #7e22ce; color: #d8b4fe; }
.btn-purple:hover { background: rgba(88, 28, 135, 0.5); }

/* Details */
details {
    background: rgba(30, 41, 59, 0.5);
    border-radius: 0.5rem;
    padding: 1rem;
    margin-top: 1.5rem;
}

summary {
    font-size: 0.875rem;
    font-weight: 600;
    color: #cbd5e1;
    cursor: pointer;
}

pre {
    font-size: 0.75rem;
    color: #94a3b8;
    background: #020617;
    padding: 0.75rem;
    border-radius: 0.5rem;
    overflow-x: auto;
    margin-top: 0.75rem;
}

/* Error */
.error-card {
    background: rgba(127, 29, 29, 0.2);
    border: 2px solid #b91c1c;
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    gap: 0.75rem;
}

.error-icon { color: #f87171; font-size: 1.5rem; }
.error-title { font-weight: 600; color: #fca5a5; margin-bottom: 0.5rem; }
.error-text { color: #fecaca; }

/* Loading */
.loading-card {
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid #334155;
    border-radius: 0.75rem;
    padding: 3rem;
    text-align: center;
}

.spinner {
    display: inline-block;
    width: 4rem;
    height: 4rem;
    border: 4px solid #475569;
    border-top-color: #22d3ee;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

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

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

.result-header h2 { font-size: 1.5rem; font-weight: 700; }

.badge-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.badge {
    padding: 0.5rem 1.5rem;
    border: 2px solid;
    border-radius: 9999px;
    font-weight: 700;
    font-size: 1.125rem;
}

.badge-critical { background: #7f1d1d; color: #fecaca; border-color: #b91c1c; }
.badge-high { background: #7c2d12; color: #fed7aa; border-color: #c2410c; }
.badge-medium { background: #713f12; color: #fef08a; border-color: #ca8a04; }
.badge-info { background: #14532d; color: #bbf7d0; border-color: #15803d; }

/* Progress Bar */
.progress-section { margin-bottom: 2rem; }

.progress-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.progress-label { font-size: 1.125rem; color: #cbd5e1; }
.progress-value { font-size: 3rem; font-weight: 700; }

.progress-bg {
    width: 100%;
    height: 1.5rem;
    background: #1e293b;
    border-radius: 9999px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-critical { background: linear-gradient(to right, #dc2626, #ef4444); }
.progress-high { background: linear-gradient(to right, #ea580c, #f97316); }
.progress-medium { background: linear-gradient(to right, #ca8a04, #eab308); }
.progress-low { background: linear-gradient(to right, #16a34a, #22c55e); }

/* Recommendation Box */
.recommendation {
    background: rgba(30, 41, 59, 0.5);
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.recommendation h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.recommendation p { color: #cbd5e1; line-height: 1.6; }

/* Detection Factors */
.factors-list { margin-top: 1rem; }

.factor-item {
    background: rgba(30, 41, 59, 0.5);
    border-radius: 0.5rem;
    padding: 1rem;
    margin-bottom: 0.75rem;
    color: #cbd5e1;
}

/* Threat Intel Cards */
.threat-match {
    background: rgba(127, 29, 29, 0.3);
    border: 2px solid #b91c1c;
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-bottom: 1rem;
}

.threat-match-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.threat-match-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: #fca5a5;
}

.threat-tag {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: 0.25rem;
    background: rgba(220, 38, 38, 0.3);
    color: #fecaca;
    text-transform: uppercase;
    font-weight: 600;
}

.threat-details {
    display: grid;
    gap: 0.75rem;
    margin-top: 1rem;
}

.threat-detail {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.threat-detail-label {
    color: #94a3b8;
    min-width: 100px;
    font-weight: 600;
}

.threat-detail-value {
    color: #cbd5e1;
}

/* Framework Cards */
.grid { display: grid; gap: 1rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

.framework-card {
    background: rgba(30, 41, 59, 0.5);
    border-radius: 0.5rem;
    padding: 1rem;
}

.framework-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.framework-name { font-weight: 700; font-size: 1.125rem; }

.confidence-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
}

.confidence-high { background: #7f1d1d; color: #fecaca; }
.confidence-medium { background: #713f12; color: #fef08a; }
.confidence-low { background: #1e3a8a; color: #bfdbfe; }

.framework-reason { font-size: 0.875rem; color: #94a3b8; }

/* Features Grid */
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }

.feature-card {
    background: rgba(30, 41, 59, 0.5);
    border-radius: 0.5rem;
    padding: 1rem;
}

.feature-label {
    font-size: 0.75rem;
    color: #94a3b8;
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.feature-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #22d3ee;
}

/* Info Section */
.info-grid { display: grid; gap: 1.5rem; }

@media (min-width: 768px) {
    .info-grid { grid-template-columns: repeat(3, 1fr); }
}

.info-section h4 {
    font-weight: 600;
    color: #22d3ee;
    margin-bottom: 0.75rem;
}

.info-section ul {
    list-style: none;
    font-size: 0.875rem;
}

.info-section li {
    color: #cbd5e1;
    margin-bottom: 0.5rem;
}

/* Threat Intel Status */
.intel-status {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.intel-feed {
    background: rgba(30, 41, 59, 0.5);
    border-radius: 0.5rem;
    padding: 1rem;
}

.intel-feed-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.status-active { background: #22c55e; box-shadow: 0 0 8px #22c55e; }
.status-inactive { background: #64748b; }

.intel-feed-info {
    font-size: 0.75rem;
    color: #94a3b8;
}

/* Footer */
footer {
    border-top: 1px solid #334155;
    background: rgba(15, 23, 42, 0.3);
    margin-top: 3rem;
    padding: 1.5rem 0;
    text-align: center;
    color: #64748b;
    font-size: 0.875rem;
}

.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.hidden { display: none; }