:root {
    --bg: #020204;
    --card: rgba(10, 11, 16, 0.85);
    --primary: #ff3e00;
    --secondary: #00d2ff;
    --text: #ffffff;
    --text-dim: #94a3b8;
    --accent: #facc15;
    --border: rgba(255, 255, 255, 0.08);
    --glow: rgba(255, 62, 0, 0.15);
    --font-main: 'Space Grotesk', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-main);
    min-height: 100vh;
    background-image: 
        radial-gradient(at 0% 0%, rgba(255, 62, 0, 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(0, 210, 255, 0.1) 0px, transparent 50%),
        radial-gradient(at 50% 50%, rgba(15, 23, 42, 1) 0px, transparent 80%);
    background-attachment: fixed;
}

.app-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    position: relative;
    z-index: 1;
}

header {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 30px 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 30px;
}

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

.glitch {
    font-weight: 800;
    font-size: 2.5rem;
    letter-spacing: -1px;
    color: var(--primary);
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 10px var(--glow));
}

.studio {
    font-size: 0.75rem;
    color: var(--text-dim);
    letter-spacing: 10px;
    text-transform: uppercase;
    font-weight: 300;
    margin-top: -5px;
}

.tabs {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding: 10px;
    scrollbar-width: none;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
}

.tabs::-webkit-scrollbar { display: none; }

.tab-btn {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 14px 28px;
    border-radius: 100px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
}

.tab-btn.active {
    background: var(--text);
    color: var(--bg);
    border-color: var(--text);
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.viewport {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    flex: 1;
}

.card {
    background: var(--card);
    border-radius: 32px;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(40px);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.card-header {
    padding: 25px 30px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: 1px;
}

.info-trigger {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-dim);
    cursor: pointer;
    transition: all 0.3s;
}

.info-trigger:hover {
    background: var(--secondary);
    color: var(--bg);
    border-color: var(--secondary);
    transform: rotate(15deg);
}

#fields-container {
    padding: 30px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.field-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

label {
    font-size: 0.75rem;
    color: var(--text-dim);
    text-transform: uppercase;
    font-family: var(--font-mono);
    font-weight: 500;
}

input, select {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 16px;
    border-radius: 16px;
    font-family: var(--font-mono);
    font-size: 1rem;
    outline: none;
    transition: all 0.3s;
}

input:focus, select:focus {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--secondary);
    box-shadow: 0 0 0 4px rgba(0, 210, 255, 0.1);
}

option { background: #0f172a; color: #fff; }

.card-footer {
    padding: 30px;
    border-top: 1px solid var(--border);
}

.btn-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btn-primary, .btn-secondary {
    padding: 20px;
    border-radius: 18px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    border: none;
    box-shadow: 0 10px 20px rgba(255, 62, 0, 0.2);
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 30px rgba(255, 62, 0, 0.4);
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--text-dim);
}

.empty-state {
    padding: 80px 40px;
    text-align: center;
    color: var(--text-dim);
}

.neural-loader { display: flex; gap: 15px; margin-bottom: 20px; }
.node {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--primary);
    animation: glow-pulse 1.5s infinite ease-in-out;
}
.node:nth-child(2) { animation-delay: 0.2s; background: var(--secondary); }
.node:nth-child(3) { animation-delay: 0.4s; background: var(--accent); }

@keyframes glow-pulse {
    0%, 100% { transform: scale(1); opacity: 0.3; filter: blur(0px); }
    50% { transform: scale(1.4); opacity: 1; filter: blur(4px); }
}

.result-view {
    padding: 40px;
    animation: slide-reveal 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.prediction-box {
    text-align: center;
    padding: 40px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent);
    border-radius: 24px;
    margin-bottom: 40px;
    border: 1px solid var(--border);
}

.label-val {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary);
    text-shadow: 0 0 30px var(--glow);
    margin-top: 10px;
}

.score-chart { display: flex; flex-direction: column; gap: 20px; }
.score-row { display: flex; align-items: center; gap: 15px; }
.score-label { width: 100px; font-size: 0.8rem; color: var(--text-dim); font-family: var(--font-mono); }
.bar-container { flex: 1; height: 12px; background: rgba(255, 255, 255, 0.03); border-radius: 100px; overflow: hidden; }
.bar-fill { height: 100%; background: linear-gradient(90deg, var(--secondary), var(--primary)); transition: width 1.5s ease-out; }

.shap-chart {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

.shap-row {
    display: grid;
    grid-template-columns: 100px 1fr 40px;
    align-items: center;
    gap: 15px;
}

.shap-viz {
    height: 12px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 4px;
    position: relative;
    display: flex;
    align-items: center;
}

.shap-axis {
    position: absolute;
    left: 50%;
    top: -5px;
    bottom: -5px;
    width: 1px;
    background: rgba(255, 255, 255, 0.2);
    z-index: 1;
}

.shap-bar {
    height: 100%;
    position: absolute;
    transition: all 1s cubic-bezier(0.34, 1.56, 0.64, 1);
    border-radius: 2px;
}

.shap-bar.positive {
    left: 50%;
    background: #10b981;
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
}

.shap-bar.negative {
    right: 50%;
    background: #ef4444;
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.4);
}

#modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.hidden { display: none !important; }

.modal {
    width: 90%;
    max-width: 700px;
    background: #08080a;
    border: 1px solid var(--border);
    border-radius: 40px;
    overflow: hidden;
    animation: modal-enter 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-header {
    padding: 25px 40px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#modal-close {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-dim);
    width: 36px;
    height: 36px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

#modal-close:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    transform: rotate(90deg);
}

.modal-content { padding: 40px; overflow-y: auto; max-height: 80vh; }
.spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 30px; }
.spec-item { background: rgba(255, 255, 255, 0.02); padding: 20px; border-radius: 24px; border: 1px solid var(--border); }
.spec-item h4 { font-size: 0.7rem; color: var(--secondary); text-transform: uppercase; margin-bottom: 8px; }
.spec-item p { font-size: 1.2rem; font-weight: 700; font-family: var(--font-mono); }

.source-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
    color: var(--secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 12px 24px;
    background: rgba(0, 210, 255, 0.1);
    border-radius: 100px;
    transition: all 0.3s;
}

.source-link:hover { background: var(--secondary); color: var(--bg); }

@media (min-width: 1024px) {
    .viewport { grid-template-columns: 1fr 1fr; }
    header { flex-direction: row; justify-content: space-between; align-items: center; }
    .logo { align-items: flex-start; }
    .btn-group { flex-direction: row; }
    .tabs { justify-content: center; }
}

@keyframes slide-reveal { from { opacity: 0; transform: translateY(40px); } to { opacity: 1; transform: translateY(0); } }
@keyframes modal-enter { from { opacity: 0; transform: scale(0.9); } to { opacity: 1; transform: scale(1); } }

@media (max-width: 1024px) {
    .main-layout { grid-template-columns: 1fr; }
    .hero { padding: 80px 0 40px; }
}

@media (max-width: 640px) {
    body { padding: 15px; }
    .hero h1 { font-size: 2.5rem; }
    .spec-grid { grid-template-columns: 1fr; }
    .modal { width: 95%; margin: 10px; }
    .modal-header, .modal-content { padding: 20px; }
    .prediction-box { padding: 30px; }
    .label-val { font-size: 2.5rem; }
    .shap-row { flex-direction: column; align-items: flex-start; gap: 5px; }
    .shap-row .score-label { width: 100% !important; text-align: left !important; }
    .tab-btn { padding: 10px 20px; font-size: 0.85rem; }
}