:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: rgba(25, 25, 25, 0.7);
    --border-color: rgba(255, 255, 255, 0.1);
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --accent-glow: rgba(99, 102, 241, 0.5);
    
    --success: #10b981;
    --danger: #ef4444;
    
    --radius: 16px;
    --transition: 0.3s ease;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    overflow-x: hidden;
}

/* Background Effects */
.background-effects {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: float 20s infinite alternate;
}

.orb-1 { width: 500px; height: 500px; background: rgba(99, 102, 241, 0.3); top: -200px; left: -100px; }
.orb-2 { width: 400px; height: 400px; background: rgba(139, 92, 246, 0.2); bottom: -100px; right: -50px; animation-delay: -5s; }
.orb-3 { width: 300px; height: 300px; background: rgba(59, 130, 246, 0.2); top: 40%; left: 30%; animation-delay: -10s; }

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, 50px) scale(1.1); }
}

.container {
    width: 100%;
    max-width: 1200px;
    padding: 2rem;
    z-index: 1;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 3rem;
    animation: slideDown 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--accent), #8b5cf6);
    border-radius: 8px;
    box-shadow: 0 0 20px var(--accent-glow);
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(to right, #fff, #a5b4fc);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* App Layout */
.app-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    animation: fadeIn 1s ease-out 0.3s both;
}

@media (max-width: 900px) {
    .app-layout { grid-template-columns: 1fr; }
}

/* Panels */
.panel {
    background: var(--bg-secondary);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transition: var(--transition);
}

.panel:hover {
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #e5e7eb;
}

/* Textareas */
textarea {
    width: 100%;
    min-height: 250px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    resize: vertical;
    transition: var(--transition);
}

textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.textarea-container {
    position: relative;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.textarea-container textarea {
    flex-grow: 1;
    min-height: 250px;
}

.copy-btn {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    background: rgba(255,255,255,0.1);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 36px;
    height: 36px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.copy-btn:hover {
    background: rgba(255,255,255,0.2);
}

.copy-btn.success {
    background: var(--success);
    border-color: var(--success);
    color: #000;
}

/* Controls */
.controls {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    background: rgba(0, 0, 0, 0.2);
    padding: 1.25rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

label {
    font-size: 0.9rem;
    font-weight: 500;
    color: #d1d5db;
}

select {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%239ca3af'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1rem;
    transition: var(--transition);
}

select:focus {
    outline: none;
    border-color: var(--accent);
}

select option {
    background: var(--bg-primary);
    color: var(--text-primary);
}

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

/* Toggle Switch */
.toggle-group {
    flex-direction: row;
    align-items: center;
    gap: 1rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border-color);
}

.toggle {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 26px;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(255, 255, 255, 0.1);
    transition: .4s;
    border-radius: 34px;
    border: 1px solid var(--border-color);
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 4px;
    bottom: 3px;
    background-color: var(--text-secondary);
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--accent);
    border-color: var(--accent);
}

input:checked + .slider:before {
    transform: translateX(24px);
    background-color: #fff;
}

.toggle-label {
    display: flex;
    flex-direction: column;
}

.primary-label { font-size: 0.95rem; color: #e5e7eb; }
.secondary-label { font-size: 0.8rem; color: var(--text-secondary); }

/* Buttons */
.primary-btn {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: white;
    border: none;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 4px 14px 0 var(--accent-glow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

.primary-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* Spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

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

/* Analysis Results */
.analysis-results {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    margin-top: 1rem;
    animation: fadeIn 0.4s ease-out;
}

.analysis-results h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: #e5e7eb;
}

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

.stat-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.5rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.stat-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-weight: 600;
}

.stat-badge.danger {
    background: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.stat-badge.safe {
    background: rgba(16, 185, 129, 0.2);
    color: #6ee7b7;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.error-message {
    margin-top: 1rem;
    padding: 0.75rem;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 6px;
    color: #fca5a5;
    font-size: 0.9rem;
}

/* Animations */
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

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

.viz-image {
    max-width: 100%;
    border-radius: 8px;
    border: 1px solid rgba(165, 180, 252, 0.2);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    margin-top: 10px;
    background: #1e1e2e;
}