/* ===== GLOBAL STYLES & VARIABLES ===== */
:root {
    --primary-green: #28a745;
    --dark-green: #218838;
    --light-green: #e9f7ec;
    --text-dark: #333;
    --text-light: #6c757d;
    --bg-gray: #f8f9fa;
    --border-color: #dee2e6;
    --white: #ffffff;
}
body { margin: 0; font-family: 'Poppins', sans-serif; background-color: var(--bg-gray); color: var(--text-dark); }
* { box-sizing: border-box; }
/* ===== LAYOUT ===== */
.mobile-container { max-width: 450px; margin: 0 auto; background-color: var(--white); min-height: 100vh; box-shadow: 0 0 20px rgba(0,0,0,0.1); position: relative; padding-bottom: 80px; }
header { display: flex; justify-content: space-between; align-items: center; padding: 15px 20px; border-bottom: 1px solid var(--border-color); }
.logo { display: flex; align-items: center; font-weight: 600; font-size: 1.2rem; color: var(--text-dark); }
.logo img { height: 50px; margin-right: 10px; }
.hamburger-menu { font-size: 1.5rem; color: var(--text-dark); }
main { padding: 20px; }
.screen { display: none; }
.screen.active { display: block; animation: fadeIn 0.5s ease-in-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.screen-title { font-size: 1.4rem; font-weight: 600; margin-top: 0; margin-bottom: 5px; text-align: center; }
.screen-subtitle { font-size: 0.9rem; color: var(--text-light); margin-top: 0; margin-bottom: 25px; text-align: center; }
/* ===== PROGRESS BAR ===== */
.progress-bar { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 25px; position: relative; }
.progress-bar::before { content: ''; position: absolute; top: 17px; left: 10%; right: 10%; height: 2px; background-color: var(--border-color); z-index: 1; }
.step { display: flex; flex-direction: column; align-items: center; text-align: center; width: 25%; position: relative; z-index: 2; }
.step-icon { width: 35px; height: 35px; border-radius: 50%; border: 2px solid var(--border-color); background-color: var(--white); display: flex; justify-content: center; align-items: center; color: var(--text-light); margin-bottom: 5px; transition: all 0.3s ease; }
.step span { font-size: 0.75rem; color: var(--text-light); }
.step.active .step-icon { border-color: var(--primary-green); background-color: var(--primary-green); color: var(--white); }
.step.active span { color: var(--text-dark); font-weight: 500; }
.step.completed .step-icon { background-color: var(--primary-green); border-color: var(--primary-green); color: var(--white); }
/* ===== UI COMPONENTS ===== */
.card { background: var(--white); padding: 20px; border-radius: 12px; border: 1px solid var(--border-color); margin-bottom: 20px; }
.btn { display: block; width: 100%; padding: 12px; border-radius: 8px; border: none; font-size: 1rem; font-weight: 600; cursor: pointer; text-align: center; transition: background-color 0.3s ease; }
.btn:disabled { background-color: var(--text-light); cursor: not-allowed; }
.btn-primary { background-color: var(--primary-green); color: var(--white); }
.btn-primary:hover { background-color: var(--dark-green); }
.btn-secondary { background-color: var(--bg-gray); color: var(--text-dark); border: 1px solid var(--border-color); }
.btn-secondary:hover { background-color: #e2e6ea; }
.btn-full { width: 100%; }
.text-center { text-align: center; }
/* ===== SCREEN 1: SCANNER ===== */
.scanner-ui { background-color: var(--light-green); color: var(--text-dark); padding: 40px 20px; border-radius: 10px; text-align: center; }
.scanner-ui .fa-camera { font-size: 3rem; margin-bottom: 15px; color: var(--primary-green); }
.scanner-ui h3 { margin: 0 0 10px 0; font-size: 1.2rem; }
.scanner-ui p { margin: 0 0 20px 0; }
#start-scan-btn { background-color: var(--primary-green); color: var(--white); width: auto; padding: 10px 30px; display: inline-block; }
.info-box { display: flex; align-items: flex-start; gap: 10px; background-color: #eef2f5; padding: 15px; border-radius: 8px; margin-top: 20px; }
.info-box p { margin: 0; font-size: 0.8rem; color: #495057; }
/* ===== SCREEN 1.5: EDITOR (NEW/MODIFIED) ===== */
#editor-tools { padding: 15px; }
.tool-group { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 10px; margin-bottom: 15px; }
.tool-btn { padding: 8px 12px; border: 2px solid var(--border-color); background-color: var(--white); border-radius: 20px; cursor: pointer; font-weight: 500; transition: all 0.2s ease; display: flex; align-items: center; gap: 8px; }
.tool-btn.active { border-color: var(--color); background-color: var(--color); color: var(--white); }
.tool-btn-reset { background: none; border: none; color: var(--text-light); cursor: pointer; font-size: 0.85rem; display: block; margin: 0 auto; padding: 5px; }
.tool-btn-reset:hover { color: var(--text-dark); }
#editor-container { position: relative; width: 100%; border-radius: 8px; overflow: hidden; border: 1px solid var(--border-color); }
#editor-image { display: block; width: 100%; height: auto; }
#editor-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
.bounding-box {
    position: absolute;
    cursor: pointer;
    transition: all 0.2s ease;
}
.bounding-box:hover {
    outline: 3px solid rgba(255, 255, 255, 0.9);
    background-color: rgba(255, 255, 255, 0.2);
}
/* ===== SCREEN 2: RESULTS ===== */
.measurement-item { display: flex; justify-content: space-between; align-items: center; padding: 15px; background-color: var(--bg-gray); border-radius: 8px; margin-bottom: 10px; font-weight: 500; }
.measurement-item div { display: flex; align-items: center; gap: 10px; }
.measurement-item span { font-weight: 600; color: var(--primary-green); }
.success-box { display: flex; align-items: center; gap: 10px; background-color: var(--light-green); color: var(--dark-green); padding: 15px; border-radius: 8px; margin: 20px 0; }
.success-box p { margin: 0; font-weight: 500; }
/* ===== SCREEN 3: SERVICES ===== */
.scanned-area-display { text-align: center; margin-bottom: 15px; font-weight: 500; }
.scanned-area-display span { background-color: var(--light-green); color: var(--dark-green); padding: 3px 8px; border-radius: 5px; }
.service-list { margin-bottom: 20px; }
.service-item { display: flex; align-items: center; padding: 15px; border: 1px solid var(--border-color); border-radius: 8px; margin-bottom: 10px; cursor: pointer; transition: all 0.2s ease; }
.service-item:has(input:checked) { border-color: var(--primary-green); background-color: var(--light-green); }
.service-item input[type="checkbox"] { width: 20px; height: 20px; margin-right: 15px; accent-color: var(--primary-green); }
.service-details { flex-grow: 1; }
.service-title { font-weight: 600; display: flex; align-items: center; gap: 8px; }
.service-details p { margin: 5px 0 0 0; font-size: 0.85rem; color: var(--text-light); }
.service-price { font-weight: 600; color: var(--primary-green); }
.total-cost-card { background-color: var(--bg-gray); padding: 15px; border-radius: 10px; text-align: center; margin-bottom: 20px; }
.total-cost-card p { margin: 0; color: var(--text-light); }
.total-cost-card h3 { margin: 5px 0 0 0; font-size: 1.8rem; color: var(--primary-green); }
/* ===== SCREEN 4: CONTACT ===== */
.back-link { display: inline-block; color: var(--text-light); text-decoration: none; margin-bottom: 15px; font-size: 0.9rem; }
.summary-box { background-color: var(--light-green); padding: 15px; border-radius: 8px; margin-bottom: 20px; font-size: 0.9rem; }
.summary-box strong { font-size: 1.3rem; color: var(--dark-green); display: block; margin-top: 5px; }
.summary-box span { display: block; font-size: 0.8rem; color: var(--text-light); }
.form-group { margin-bottom: 15px; }
.form-group label { display: block; font-weight: 500; margin-bottom: 5px; font-size: 0.9rem; }
.form-group input, .form-group textarea { width: 100%; padding: 10px; border: 1px solid var(--border-color); border-radius: 5px; font-size: 1rem; font-family: 'Poppins', sans-serif; }
.form-disclaimer { font-size: 0.75rem; color: var(--text-light); text-align: center; margin-top: 15px;}
/* ===== SCREEN 5: CONFIRMATION ===== */
.confirmation-icon { font-size: 4rem; color: var(--primary-green); margin-bottom: 15px; }
.estimate-id-box { background-color: var(--bg-gray); padding: 10px; border-radius: 5px; margin: 20px 0; font-weight: 500; }
/* ===== FOOTER NAV ===== */
footer { position: fixed; bottom: 0; left: 0; right: 0; background-color: var(--white); border-top: 1px solid var(--border-color); width: 100%; max-width: 450px; margin: 0 auto; }
.bottom-nav { display: flex; justify-content: space-around; padding: 10px 0; }
.nav-item { display: flex; flex-direction: column; align-items: center; text-decoration: none; color: var(--text-light); font-size: 0.75rem; }
.nav-item i { font-size: 1.3rem; margin-bottom: 3px; }
.nav-item.active { color: var(--primary-green); }
/* ===== CAMERA & FOCUS STYLES ===== */
#camera-container { background-color: #000; border-radius: 10px; position: relative; overflow: hidden; padding: 5px; }
#webcam { width: 100%; height: auto; display: block; border-radius: 8px; }
#camera-controls { margin-top: 15px; }
#captured-image-container img { border: 2px solid var(--border-color); }
#camera-guide-overlay {
    position: absolute; top: 5px; left: 5px; right: 5px; bottom: 70px;
    display: flex; flex-direction: column; align-items: center; justify-content: space-between;
    pointer-events: none;
}
#camera-guide-overlay .guide-frame { width: 75%; flex-grow: 1; border: 3px dashed rgba(255, 255, 255, 0.8); border-radius: 10px; margin-bottom: 10px; }
#camera-guide-overlay .guide-text { color: white; background-color: rgba(0,0,0,0.4); padding: 5px 10px; border-radius: 5px; font-size: 0.9rem; white-space: nowrap; }
#focus-indicator {
    position: absolute; width: 80px; height: 80px; border: 2px solid #ffffff; border-radius: 50%; opacity: 0; transform: scale(1.5); transition: opacity 0.4s ease-out, transform 0.4s ease-out; pointer-events: none;
}
#focus-indicator.active {
    opacity: 1; transform: scale(1); transition: opacity 0.2s ease-in, transform 0.2s ease-in;
}