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

body {
    background-color: #050505; color: #e0e0e0;
    font-family: 'Inter', sans-serif;
    height: 100vh; overflow: hidden;
}

.container { display: flex; height: 100%; }

/* SIDEBAR */
.sidebar {
    width: 300px; background: #0d1117;
    border-right: 1px solid #30363d;
    padding: 30px; display: flex; flex-direction: column;
}

.brand { color: #58a6ff; text-decoration: none; font-family: 'Fira Code'; margin-bottom: 40px; display: block; font-size: 0.9rem; }

.info-box { margin-bottom: 40px; }
.info-box h3 { color: #8b949e; font-size: 0.8rem; margin-bottom: 10px; letter-spacing: 1px; }
.info-box p { font-size: 0.85rem; color: #666; line-height: 1.6; margin-bottom: 10px; }

.status-box { background: #161b22; padding: 20px; border-radius: 8px; border: 1px solid #30363d; margin-top: auto; }
.status-box p { font-size: 0.7rem; color: #888; margin-bottom: 10px; }
.indicator { width: 10px; height: 10px; border-radius: 50%; display: inline-block; margin-right: 8px; }
.idle { background: #888; }
.processing { background: #e3b341; box-shadow: 0 0 10px #e3b341; animation: blink 0.5s infinite; }
.done { background: #00ff41; box-shadow: 0 0 10px #00ff41; }

@keyframes blink { 50% { opacity: 0.5; } }

/* MAIN AREA */
.tool-area { flex: 1; padding: 50px; display: flex; flex-direction: column; align-items: center; justify-content: center; }

header { text-align: center; margin-bottom: 40px; }
h1 { font-family: 'Fira Code'; font-size: 2.5rem; margin-bottom: 10px; }
.accent { color: #58a6ff; }
header p { color: #8b949e; }

/* UPLOAD ZONE */
.upload-zone {
    width: 100%; max-width: 600px;
    height: 300px;
    border: 2px dashed #30363d;
    border-radius: 12px;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    cursor: pointer; transition: 0.3s;
    background: #0d1117;
}
.upload-zone:hover, .upload-zone.dragover { border-color: #58a6ff; background: #161b22; }
.icon-box { font-size: 3rem; color: #30363d; margin-bottom: 20px; transition: 0.3s; }
.upload-zone:hover .icon-box { color: #58a6ff; transform: translateY(-5px); }

/* RESULT AREA */
.result-area { width: 100%; max-width: 700px; text-align: center; animation: fadeIn 0.5s; }

.stats-grid { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; }
.stat-card { background: #161b22; padding: 15px; border-radius: 8px; width: 45%; text-align: left; border: 1px solid #30363d; }
.stat-card h4 { font-family: 'Fira Code'; font-size: 0.8rem; margin-bottom: 10px; border-bottom: 1px solid #333; padding-bottom: 5px; }

.danger h4 { color: #ff5f56; }
.success h4 { color: #00ff41; }
.stat-card ul { list-style: none; font-size: 0.8rem; color: #ff5f56; }
.stat-card p { font-size: 0.8rem; color: #00ff41; }

.arrow { color: #58a6ff; font-size: 1.5rem; }

.preview-box img { max-height: 200px; border-radius: 8px; border: 1px solid #58a6ff; margin-bottom: 20px; }

.btn-download {
    background: #238636; color: white; border: none; padding: 12px 30px;
    border-radius: 6px; font-weight: bold; cursor: pointer; font-size: 1rem; margin-right: 10px;
    transition: 0.3s;
}
.btn-download:hover { background: #2ea043; transform: scale(1.05); }

.btn-reset { background: transparent; border: 1px solid #30363d; color: #888; padding: 12px 20px; border-radius: 6px; cursor: pointer; }
.btn-reset:hover { color: #fff; border-color: #fff; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* Mobile */
@media (max-width: 768px) {
    .container { flex-direction: column; overflow: auto; }
    .sidebar { width: 100%; height: auto; }
    .tool-area { padding: 20px; }
    .stats-grid { flex-direction: column; gap: 20px; }
    .stat-card { width: 100%; }
    .arrow { transform: rotate(90deg); margin: 10px 0; }
}