@import url("https://fonts.googleapis.com/css2?family=Comic+Neue:wght@400;700&display=swap");
:root {
  --primary-color: #10b981; 
  --primary-hover: #059669;
  --bg-color: #f4f7f6;
  --card-bg: #ffffff;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --font-comic: 'Comic Neue', 'Chalkboard SE', 'Marker Felt', sans-serif;
}

.tool-center-container {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.main-tool-card {
  width: 100%;
  max-width: 900px; 
}

/* Modern Cool Dropzone (Centered) */
.drop-zone { background: linear-gradient(145deg, #f8fafc, #ecfdf5); border: 2px dashed #6ee7b7; border-radius: 24px; padding: 80px 20px; text-align: center; cursor: pointer; transition: all 0.3s ease; box-shadow: inset 0 0 20px rgba(255,255,255,0.8); display: flex; flex-direction: column; align-items: center; justify-content: center;}
.drop-zone:hover { border-color: var(--primary-color); background: linear-gradient(145deg, #f0fdf4, #d1fae5); transform: translateY(-2px); }
.upload-icon-wrap { background: #fff; width: 90px; height: 90px; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; box-shadow: 0 8px 25px rgba(16, 185, 129, 0.2); }
.upload-icon-wrap i { font-size: 40px; color: var(--primary-color); }
.comic-text { font-family: var(--font-comic); font-size: 26px; margin-bottom: 8px; font-weight: 600; color: #064e3b; }
.drop-zone p { color: var(--text-muted); margin-bottom: 24px; font-size: 15px; }

/* Buttons */
.btn { border: 1px solid var(--border-color); background: #fff; color: var(--text-main); padding: 12px 24px; font-size: 14px; font-weight: 600; cursor: pointer; display: inline-flex; align-items: center; gap: 8px; transition: 0.2s; justify-content: center;}
.btn:hover { background: #f1f5f9; }
.btn.primary { background: var(--primary-color); border-color: var(--primary-color); color: #fff; }
.btn.primary:hover { background: var(--primary-hover); box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25); }
.round-btn { border-radius: 50px !important; }

/* Progress Bar */
.progress-section { padding: 40px 20px; text-align: center; }
.progress-text { display: flex; justify-content: space-between; font-size: 15px; font-weight: 600; color: #334155; margin-bottom: 12px; }
.progress-bar-container { width: 100%; height: 10px; background-color: #e2e8f0; border-radius: 50px; overflow: hidden; }
.progress-bar-fill { width: 0%; height: 100%; background-color: var(--primary-color); transition: width 0.3s ease; border-radius: 50px;}

/* Post Upload Options */
.post-upload-section { margin-top: 10px; }
.file-success-badge { display: inline-flex; align-items: center; gap: 8px; background-color: #f0fdf4; color: #16a34a; padding: 12px 18px; border-radius: 50px; font-size: 14px; font-weight: 600; border: 1px solid #bbf7d0; margin-bottom: 25px; width: auto;}

.settings-row { display: flex; gap: 20px; margin-bottom: 25px; background: #f8fafc; padding: 20px; border-radius: 16px; border: 1px solid #e2e8f0;}
.setting-group { flex: 1; }
.setting-group label { display: block; font-size: 13px; font-weight: 600; color: #475569; margin-bottom: 8px; }
.pro-select { width: 100%; padding: 10px 14px; border: 1px solid #cbd5e1; border-radius: 10px; font-size: 14px; outline: none; background: #fff; transition: 0.2s; }
.pro-select:focus { border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(16,185,129,0.1); }

/* Clean Data Preview */
.data-preview-box { background-color: #fff; border: 1px solid #cbd5e1; border-radius: 12px; padding: 15px; max-height: 250px; overflow: auto; margin-bottom: 20px; box-shadow: inset 0 2px 10px rgba(0,0,0,0.02); }
.preview-table { width: 100%; border-collapse: collapse; font-size: 13px;}
.preview-table th, .preview-table td { padding: 8px 12px; border: 1px solid #e2e8f0; text-align: left; white-space: nowrap; }
.preview-placeholder { text-align: center; color: #64748b; padding: 30px 0; }