* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #f5f5f5; color: #333; line-height: 1.6; }
.container { max-width: 820px; margin: 0 auto; padding: 20px; }
header { text-align: center; padding: 35px; background: linear-gradient(135deg, #232F3E, #1a1a2e); color: white; border-radius: 12px; margin-bottom: 25px; }
header h1 { font-size: 2.8em; margin-bottom: 5px; }
.subtitle { color: #FF9900; font-size: 1.05em; }
.form-section, .result-section, .stats-section { background: white; padding: 30px; border-radius: 12px; box-shadow: 0 2px 10px rgba(0,0,0,0.08); margin-bottom: 25px; }
h2 { color: #232F3E; margin-bottom: 20px; font-size: 1.4em; }
h3 { color: #555; margin: 25px 0 15px; font-size: 1.1em; border-bottom: 1px solid #eee; padding-bottom: 8px; }
.form-group { margin-bottom: 15px; }
.form-group label { display: block; margin-bottom: 5px; font-weight: 600; color: #444; font-size: 0.92em; }
.required::after { content: " *"; color: #d13212; }
input, select, textarea { width: 100%; padding: 11px 13px; border: 1px solid #ddd; border-radius: 8px; font-size: 1em; transition: border-color 0.3s; }
input:focus, select:focus, textarea:focus { outline: none; border-color: #FF9900; box-shadow: 0 0 0 3px rgba(255,153,0,0.1); }
textarea { resize: vertical; min-height: 100px; }
.row { display: flex; gap: 15px; }
.half { flex: 1; }
.third { flex: 1; }
.highlight-box { background: #fff8f0; border: 1px solid #ffe0b2; border-radius: 8px; padding: 15px; }
.radio-group { display: flex; gap: 20px; margin-top: 8px; }
.radio-label { display: flex; align-items: center; gap: 8px; padding: 10px 15px; border: 1px solid #ddd; border-radius: 8px; cursor: pointer; flex: 1; transition: all 0.2s; }
.radio-label:hover { border-color: #FF9900; background: #fff8f0; }
.radio-label input[type="radio"] { width: auto; }
.help-text { font-size: 0.85em; color: #888; margin-top: 4px; }
button { width: 100%; padding: 15px; background: #FF9900; color: #232F3E; border: none; border-radius: 8px; font-size: 1.15em; font-weight: bold; cursor: pointer; transition: background 0.3s; margin-top: 10px; }
button:hover { background: #e88e00; }
.hidden { display: none; }
#loading { text-align: center; padding: 25px; color: #666; font-size: 1.15em; }
.result-card { background: #f0f8ff; border: 2px solid #4CAF50; padding: 25px; border-radius: 12px; }
.result-card .code { font-size: 1.2em; font-weight: bold; color: #232F3E; margin-bottom: 8px; }
.result-card .estimate { font-size: 2.2em; color: #4CAF50; font-weight: bold; margin: 12px 0; }
.result-card .detail-row { display: flex; justify-content: space-between; padding: 5px 0; border-bottom: 1px solid #eee; }
.result-card .detail-row .lbl { color: #666; }
.result-card .detail-row .val { font-weight: 600; }
.result-card .actions { margin-top: 20px; display: flex; gap: 10px; }
.result-card .actions button { flex: 1; padding: 12px; font-size: 0.95em; margin-top: 0; }
.stats-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.stat-card { background: #f8f9fa; padding: 18px; border-radius: 10px; text-align: center; }
.stat-card .num { font-size: 2em; font-weight: bold; color: #232F3E; }
.stat-card .label { font-size: 0.85em; color: #666; margin-top: 2px; }
#owner_warning { margin-top: 8px; padding: 8px; background: #fff0f0; border-radius: 6px; }
@media (max-width: 600px) { .row { flex-direction: column; } .radio-group { flex-direction: column; } .stats-grid { grid-template-columns: 1fr 1fr; } }