:root {
    --primary: #4f46e5;
    --primary-glow: rgba(79, 70, 229, 0.4);
    --bg-dark: #0f172a;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --text-main: #f8fafc;
    --text-dim: #94a3b8;
    --accent: #38bdf8;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background: var(--bg-dark);
    background-image: 
        radial-gradient(at 0% 0%, hsla(253,16%,7%,1) 0, transparent 50%), 
        radial-gradient(at 50% 0%, hsla(225,39%,30%,1) 0, transparent 50%), 
        radial-gradient(at 100% 0%, hsla(339,49%,30%,1) 0, transparent 50%);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.glass-container {
    background: var(--glass-bg);
    backdrop-filter : blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    width: 100%;
    max-width: 900px;
    padding: 3rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.8s ease-out;
}

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

.logo {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 0.5rem;
}

.gradient-text {
    background: linear-gradient(135deg, #a5b4fc, #6366f1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.badge {
    position: relative;
    top: -15px;
    font-size: 0.75rem;
    background: var(--primary);
    padding: 4px 10px;
    border-radius: 20px;
    font-weight: 600;
}

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

/* Upload Section */
.upload-card {
    border: 2px dashed rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 3rem;
    text-align: center;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.03);
    cursor: pointer;
}

.upload-card:hover, .upload-card.dragover {
    border-color: var(--primary);
    background: rgba(79, 70, 229, 0.05);
}

.icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.btn-primary {
    background: var(--primary);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 1.5rem;
    transition: transform 0.2s;
}

.btn-primary:active {
    transform: scale(0.95);
}

.file-name {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--accent);
}

/* Field Section */
.config-section {
    margin-top: 3rem;
}

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

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 8px 16px;
    border-radius: 10px;
    cursor: pointer;
}

.field-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    background: rgba(255, 255, 255, 0.08);
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.close {
    cursor: pointer;
    color: #ef4444;
}

/* Action Section */
.action-section {
    margin-top: 3rem;
    text-align: center;
}

.btn-glow {
    background: var(--primary);
    color: white;
    border: none;
    padding: 16px 40px;
    border-radius: 14px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 0 20px var(--primary-glow);
    transition: all 0.3s;
}

.btn-glow:hover {
    box-shadow: 0 0 35px var(--primary-glow);
    transform: translateY(-2px);
}

/* Result Section */
.result-section {
    margin-top: 3rem;
    background: #000;
    border-radius: 15px;
    padding: 2rem;
    animation: slideUp 0.5s ease-out;
}

pre {
    color: #4ade80;
    font-family: 'Courier New', Courier, monospace;
    overflow-x: auto;
}

.hidden { display: none !important; }

/* Loader */
.loader-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.loader {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
@keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideUp { from { opacity: 0; filter: blur(10px); } to { opacity: 1; filter: blur(0); } }