/* main.css */
:root {
    --primary-color: #0f172a;
    --primary-hover: #1e293b;
    --accent-color: #3b82f6;
    --accent-hover: #2563eb;
    --accent-glow: rgba(59, 130, 246, 0.4);
    --bg-color: #f8fafc;
    --card-bg: rgba(255, 255, 255, 0.85);
    --card-border: rgba(255, 255, 255, 0.6);
    --text-color: #0f172a;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --success-glow: rgba(16, 185, 129, 0.4);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.1);
    --shadow-md: 0 10px 25px -5px rgba(0,0,0,0.05), 0 8px 10px -6px rgba(0,0,0,0.01);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --border-radius: 16px;
    --border-radius-sm: 10px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #020617;
        --card-bg: rgba(15, 23, 42, 0.7);
        --card-border: rgba(255, 255, 255, 0.1);
        --text-color: #f8fafc;
        --text-muted: #94a3b8;
        --border-color: #1e293b;
        --primary-color: #f8fafc;
        --primary-hover: #e2e8f0;
        --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
        --shadow-md: 0 10px 25px -5px rgba(0,0,0,0.3);
        --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.4);
    }
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.08) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(16, 185, 129, 0.08) 0px, transparent 50%);
    background-attachment: fixed;
    color: var(--text-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Header & Nav */
.header { 
    background: var(--card-bg); 
    backdrop-filter: blur(12px); 
    -webkit-backdrop-filter: blur(12px);
    position: sticky; 
    top: 0; 
    z-index: 100; 
    box-shadow: var(--shadow-sm); 
    border-bottom: 1px solid var(--card-border); 
}
.header-inner { display: flex; justify-content: space-between; align-items: center; height: 80px; }
.logo-text { 
    font-size: 24px; 
    font-weight: 800; 
    background: linear-gradient(135deg, var(--accent-color), var(--success-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px; 
}

/* Off-canvas Menu */
.menu-toggle { display: none; background: none; border: none; color: var(--text-color); cursor: pointer; }
.menu-list { display: flex; list-style: none; gap: 30px; }
.menu-list a { font-weight: 500; transition: color 0.2s; position: relative; }
.menu-list a::after {
    content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px;
    background: var(--accent-color); transition: var(--transition); border-radius: 2px;
}
.menu-list a:hover { color: var(--accent-color); }
.menu-list a:hover::after { width: 100%; }
.menu-header { display: none; }

@media (max-width: 992px) {
    .menu-toggle { display: block; }
    .menu-list { flex-direction: column; gap: 0; padding: 10px 15px 30px 15px; }
    
    /* Elegant Mobile Menu Items */
    .menu-list a { 
        display: flex; align-items: center; gap: 15px; 
        padding: 12px 16px; border-bottom: none; 
        font-size: 16px; font-weight: 600; color: var(--text-color);
        border-radius: 14px; margin-bottom: 5px;
        transition: all 0.2s ease;
    }
    .menu-list a:hover, .menu-list a:active {
        background: rgba(59, 130, 246, 0.08);
        color: var(--accent-color);
        transform: translateX(5px);
    }
    
    /* Icon Box styling for SVGs in mobile menu */
    .menu-list a svg {
        width: 20px; height: 20px;
        color: var(--accent-color);
        background: rgba(59, 130, 246, 0.1);
        padding: 8px;
        box-sizing: content-box;
        border-radius: 10px;
        flex-shrink: 0;
    }
    .menu-list a::after { display: none; }
    
    .off-canvas-menu {
        position: fixed; top: 0; right: 0; width: 85%; max-width: 360px; height: 100vh;
        background: var(--card-bg); backdrop-filter: blur(25px); -webkit-backdrop-filter: blur(25px);
        box-shadow: -10px 0 40px rgba(0,0,0,0.15);
        transform: translateX(100%); transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        z-index: 1000; overflow-y: auto; border-left: 1px solid var(--card-border);
    }
    .off-canvas-menu.active { transform: translateX(0); }
    
    .menu-header { display: flex; justify-content: space-between; align-items: center; padding: 25px 25px 15px 25px; border-bottom: none; }
    .menu-title { font-weight: 800; font-size: 22px; color: var(--primary-color); letter-spacing: -0.5px; }
    .menu-close { background: rgba(0,0,0,0.05); border: none; color: var(--text-color); cursor: pointer; width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center; transition: all 0.2s; }
    .menu-close:hover { background: rgba(239, 68, 68, 0.1); color: #ef4444; }
    
    .menu-overlay {
        position: fixed; top: 0; left: 0; width: 100%; height: 100%;
        background: rgba(15, 23, 42, 0.6); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
        z-index: 999; opacity: 0; visibility: hidden; transition: all 0.4s ease;
    }
    .menu-overlay.active { opacity: 1; visibility: visible; }
}

/* Header CTA and SVG Styles (Outside Media Query for Desktop) */
.menu-list a { color: var(--text-color); text-decoration: none; font-weight: 500; font-size: 14px; display: flex; align-items: center; gap: 6px; transition: color 0.3s; padding: 5px 0; white-space: nowrap; }
.menu-list a:hover { color: var(--primary-color); }
.menu-list svg { color: var(--accent-color); }

@media (min-width: 993px) {
    .off-canvas-menu { display: flex; align-items: center; }
    .menu-list { display: flex; gap: 12px; align-items: center; }
    .header-cta { display: block; }
}
@media (max-width: 992px) {
    .header-cta { display: none; } /* Hidden on mobile */
}

/* Hero Section */
.hero-section { padding: 60px 0 50px; text-align: center; }
.page-title { 
    font-size: 42px; 
    font-weight: 800; 
    margin-bottom: 15px; 
    color: var(--primary-color);
    letter-spacing: -1px;
}
.page-desc { font-size: 18px; color: var(--text-muted); max-width: 650px; margin: 0 auto; line-height: 1.5; }

/* Dashboard Calculator */
.calculator-section { padding: 0 0 80px; }
.calculator-dashboard { 
    background: var(--card-bg); 
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--border-radius); 
    box-shadow: var(--shadow-lg); 
    border: 1px solid var(--card-border); 
    overflow: hidden; 
}
.dashboard-header { 
    padding: 35px 30px; 
    border-bottom: 1px solid var(--border-color); 
    text-align: center; 
    background: linear-gradient(135deg, rgba(255,255,255,0.4), rgba(255,255,255,0)); 
}
@media (prefers-color-scheme: dark) { 
    .dashboard-header { background: linear-gradient(135deg, rgba(255,255,255,0.05), rgba(255,255,255,0)); } 
}
.dashboard-header h2 { font-size: 26px; font-weight: 800; color: var(--primary-color); margin-bottom: 8px; letter-spacing: -0.5px; }
.dashboard-header p { color: var(--text-muted); }

.dashboard-grid { display: grid; grid-template-columns: 1fr 1.2fr; }
@media (max-width: 900px) { .dashboard-grid { grid-template-columns: 1fr; } }
.dashboard-panel { padding: 40px; }
.input-panel { border-right: 1px solid var(--border-color); background: rgba(0,0,0,0.01); }
@media (prefers-color-scheme: dark) { .input-panel { background: rgba(0,0,0,0.1); } }
@media (max-width: 900px) { .input-panel { border-right: none; border-bottom: 1px solid var(--border-color); } }
.dashboard-panel h3 { font-size: 18px; margin-bottom: 30px; color: var(--text-color); font-weight: 700; display: flex; align-items: center; gap: 12px; }
.dashboard-panel h3::before {
    content: ''; display: inline-block; width: 8px; height: 24px;
    background: var(--accent-color); border-radius: 4px;
}

/* Forms */
.form-group { margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.mt-1 { margin-top: 8px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 10px; font-size: 14px; color: var(--text-color); }
.badge-optional { background: var(--border-color); color: var(--text-muted); font-size: 11px; padding: 2px 6px; border-radius: 4px; margin-left: 5px; font-weight: normal; }

input[type="number"], select, input[type="text"] {
    width: 100%; padding: 14px 16px; border: 1.5px solid var(--border-color);
    border-radius: var(--border-radius-sm); background: rgba(255,255,255,0.5); color: var(--text-color);
    font-size: 15px; font-weight: 500; font-family: inherit; transition: var(--transition);
    -webkit-appearance: none; appearance: none;
}
@media (prefers-color-scheme: dark) {
    input[type="number"], select, input[type="text"] { background: rgba(0,0,0,0.2); }
}
input:focus, select:focus {
    outline: none; border-color: var(--accent-color);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.input-with-icon { position: relative; }
.input-icon { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); pointer-events: none; color: var(--text-muted); transition: var(--transition); }
.input-with-icon input:focus + .input-icon { color: var(--accent-color); }
.input-with-icon input[type="number"], .input-with-icon input[type="text"] { padding-left: 48px; }

.custom-select-wrapper { position: relative; }
.select-icon { position: absolute; right: 16px; top: 50%; transform: translateY(-50%); pointer-events: none; color: var(--text-muted); }

/* Toggle Switch */
.toggle-group-inner { display: flex; justify-content: space-between; align-items: center; padding: 14px 16px; border: 1.5px solid var(--border-color); border-radius: var(--border-radius-sm); background: rgba(255,255,255,0.5); transition: var(--transition); height: 50.4px; }
.toggle-group-inner:hover { border-color: rgba(59, 130, 246, 0.3); background: rgba(59, 130, 246, 0.02); }
@media (prefers-color-scheme: dark) { .toggle-group-inner { background: rgba(0,0,0,0.2); } .toggle-group-inner:hover { border-color: rgba(59, 130, 246, 0.5); background: rgba(59, 130, 246, 0.05); } }
.toggle-desc { font-size: 15px; font-weight: 500; color: var(--text-color); margin: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.switch { position: relative; display: inline-block; width: 44px; height: 24px; flex-shrink: 0; margin: 0; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: var(--border-color); transition: .4s cubic-bezier(0.4, 0, 0.2, 1); }
.slider:before { position: absolute; content: ""; height: 16px; width: 16px; left: 4px; bottom: 4px; background-color: white; transition: .4s cubic-bezier(0.4, 0, 0.2, 1); box-shadow: 0 2px 4px rgba(0,0,0,0.2); }
input:checked + .slider { background-color: var(--accent-color); }
input:checked + .slider:before { transform: translateX(20px); }
.slider.round { border-radius: 34px; }
.slider.round:before { border-radius: 50%; }

/* Buttons */
.btn { 
    display: inline-flex; align-items: center; justify-content: center; gap: 10px; 
    padding: 16px 28px; border: none; border-radius: var(--border-radius-sm); 
    font-size: 16px; font-weight: 600; cursor: pointer; transition: var(--transition); 
    font-family: inherit; text-align: center; letter-spacing: 0.3px;
}
.btn-primary { 
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover)); 
    color: #fff; 
    box-shadow: 0 4px 15px var(--accent-glow); 
}
.btn-primary:hover { 
    transform: translateY(-2px); 
    box-shadow: 0 8px 20px var(--accent-glow);
}
.btn-primary:active { transform: translateY(0); }

.btn-success { 
    background: linear-gradient(135deg, var(--success-color), #059669); 
    color: #fff; 
    box-shadow: 0 4px 15px var(--success-glow);
}
.btn-success:hover { 
    transform: translateY(-2px); 
    box-shadow: 0 8px 20px var(--success-glow);
}

.w-100 { width: 100%; }
.mt-3 { margin-top: 24px; }

/* Output Panel & Table */
.empty-state { text-align: center; padding: 80px 20px; color: var(--text-muted); display: flex; flex-direction: column; align-items: center; }
.empty-icon { color: var(--border-color); margin-bottom: 20px; stroke-width: 1.5; }

.results-state { animation: fadeIn 0.5s cubic-bezier(0.4, 0, 0.2, 1); }
.stat-card { 
    display: flex; align-items: center; gap: 20px; 
    background: linear-gradient(145deg, rgba(255,255,255,0.6), rgba(255,255,255,0.1));
    padding: 24px; border-radius: var(--border-radius); margin-bottom: 30px; 
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
@media (prefers-color-scheme: dark) { 
    .stat-card { background: linear-gradient(145deg, rgba(255,255,255,0.05), rgba(255,255,255,0.01)); } 
}
.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(59, 130, 246, 0.3);
}
.stat-icon { background: rgba(59, 130, 246, 0.1); color: var(--accent-color); width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.stat-details { display: flex; flex-direction: column; }
.stat-title { font-size: 13px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.8px; margin-bottom: 6px; }
.stat-value { font-size: 32px; font-weight: 800; color: var(--text-color); line-height: 1; margin-bottom: 6px; letter-spacing: -1px; }
.stat-desc { font-size: 13px; color: var(--text-muted); }

.table-responsive { overflow-x: auto; margin-bottom: 30px; border-radius: var(--border-radius-sm); border: 1px solid var(--border-color); }
.bom-table { width: 100%; border-collapse: collapse; text-align: left; background: var(--card-bg); }
.bom-table th { padding: 16px 20px; border-bottom: 2px solid var(--border-color); color: var(--text-muted); font-size: 12px; text-transform: uppercase; font-weight: 700; letter-spacing: 0.5px; background: rgba(0,0,0,0.02); }
@media (prefers-color-scheme: dark) { .bom-table th { background: rgba(255,255,255,0.02); } }
.bom-table td { padding: 16px 20px; border-bottom: 1px solid var(--border-color); font-size: 14px; vertical-align: middle; }
.bom-table tr:hover td { background: rgba(59, 130, 246, 0.02); }
.bom-table tr:last-child td { border-bottom: none; }
.bom-name { display: block; font-weight: 600; color: var(--text-color); }
.bom-extra { display: block; font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.text-right { text-align: right; }
.fw-bold { font-weight: 700; font-size: 16px; color: var(--accent-color); }
.unit { color: var(--text-muted); font-size: 13px; }

.result-action { padding-top: 25px; border-top: 1px dashed var(--border-color); }
.note { font-size: 13px; color: var(--text-muted); margin-bottom: 20px; font-style: italic; line-height: 1.5; }
.hidden { display: none; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(15px); } to { opacity: 1; transform: translateY(0); } }

/* FAQ */
.faq-section { padding: 40px 0 100px; }
.section-title { text-align: center; font-size: 32px; font-weight: 800; margin-bottom: 50px; color: var(--text-color); letter-spacing: -0.5px; }
.faq-accordion { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: var(--border-radius-sm); margin-bottom: 16px; overflow: hidden; transition: var(--transition); }
.faq-item:hover { box-shadow: var(--shadow-sm); border-color: rgba(59, 130, 246, 0.3); }
.faq-question { width: 100%; text-align: left; padding: 22px 25px; background: none; border: none; font-size: 16px; font-weight: 600; color: var(--text-color); cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-family: inherit; transition: var(--transition); }
.faq-item.active .faq-question { color: var(--accent-color); }
.faq-icon { transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1); color: var(--text-muted); }
.faq-item.active .faq-icon { transform: rotate(180deg); color: var(--accent-color); }
.faq-answer { padding: 0 25px; max-height: 0; overflow: hidden; transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease; }
.faq-item.active .faq-answer { padding: 0 25px 25px; max-height: 500px; }
.faq-answer p { color: var(--text-muted); line-height: 1.7; }

/* Footer */
.footer { background: #0f172a; color: #fff; padding: 80px 0 30px; margin-top: auto; border-top: 1px solid rgba(255,255,255,0.1); }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 50px; margin-bottom: 50px; }
.footer-col h3 { font-size: 18px; margin-bottom: 25px; color: #fff; font-weight: 700; }
.footer-col p { margin-bottom: 12px; color: #94a3b8; line-height: 1.6; }
.footer-col a { transition: color 0.2s; color: #94a3b8; }
.footer-col a:hover { color: var(--accent-color); }
.footer-bottom { text-align: center; padding-top: 30px; border-top: 1px solid rgba(255,255,255,0.1); font-size: 14px; color: #64748b; }

/* Fixed Buttons */
.fixed-btn { position: fixed; width: 56px; height: 56px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; box-shadow: var(--shadow-md); z-index: 90; transition: var(--transition); }
.scroll-to-top { bottom: 30px; left: 30px; background: var(--text-color); opacity: 0; visibility: hidden; transform: translateY(20px); }
.scroll-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-to-top:hover { background: var(--accent-color); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.whatsapp-btn { bottom: 30px; right: 30px; background: var(--success-color); animation: pulse 2s infinite; }
.whatsapp-btn:hover { transform: scale(1.1) translateY(-4px); animation: none; box-shadow: 0 10px 25px var(--success-glow); }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6); } 70% { box-shadow: 0 0 0 20px rgba(16, 185, 129, 0); } 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); } }

@media (max-width: 480px) {
    .dashboard-panel { padding: 25px 20px; }
    .page-title { font-size: 32px; }
    .form-row { grid-template-columns: 1fr; gap: 0; }
    .header-inner { padding: 0 15px; }
    .hero-section { padding: 40px 15px; }
}

/* Optimizer specific */
.optimizer-dashboard { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.optimizer-panel { background: var(--card-bg); padding: 35px; border-radius: var(--border-radius); box-shadow: var(--shadow-sm); border: 1px solid var(--card-border); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
@media (max-width: 992px) { .optimizer-dashboard { grid-template-columns: 1fr; } }
.parts-header { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--border-color); padding-bottom: 15px; margin-bottom: 20px; }
.btn-outline { background: transparent; border: 1.5px solid var(--accent-color); color: var(--accent-color); padding: 8px 16px; border-radius: 8px; cursor: pointer; transition: var(--transition); font-weight: 600; font-size: 14px; }
.btn-outline:hover { background: var(--accent-color); color: #fff; box-shadow: 0 4px 10px var(--accent-glow); }
.btn-sm { font-size: 13px; padding: 6px 12px; }
.part-row { display: grid; grid-template-columns: 2fr 3fr 1fr auto; gap: 15px; align-items: center; margin-bottom: 15px; }
@media (max-width: 576px) { .part-row { grid-template-columns: 1fr 1fr; grid-template-rows: auto auto; } .part-name { grid-column: 1 / -1; } .btn-remove-part { justify-self: center; } }
.part-row input { padding: 10px 14px; border: 1.5px solid var(--border-color); border-radius: 8px; width: 100%; outline: none; transition: var(--transition); background: rgba(255,255,255,0.5); }
@media (prefers-color-scheme: dark) { .part-row input { background: rgba(0,0,0,0.2); } }
.part-row input:focus { border-color: var(--accent-color); box-shadow: 0 0 0 3px var(--accent-glow); }
.dim-inputs { display: flex; align-items: center; gap: 8px; }
.dim-inputs span { color: var(--text-muted); font-weight: 500; }
.btn-remove-part { background: none; border: none; color: #ef4444; font-size: 24px; cursor: pointer; line-height: 1; padding: 4px 8px; border-radius: 6px; transition: var(--transition); }
.btn-remove-part:hover { background: rgba(239, 68, 68, 0.1); }
.opt-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 30px; }
@media (max-width: 576px) { .opt-stats { grid-template-columns: 1fr; } }
.stat-box { background: rgba(0,0,0,0.02); border-radius: var(--border-radius-sm); padding: 20px; text-align: center; border: 1px solid var(--border-color); transition: var(--transition); }
@media (prefers-color-scheme: dark) { .stat-box { background: rgba(255,255,255,0.02); } }
.stat-box:hover { transform: translateY(-2px); border-color: rgba(59, 130, 246, 0.3); background: var(--card-bg); box-shadow: var(--shadow-sm); }
.stat-label { display: block; font-size: 13px; color: var(--text-muted); margin-bottom: 8px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.stat-val { display: block; font-size: 28px; font-weight: 800; color: var(--text-color); letter-spacing: -0.5px; }
.output-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 25px; }
.board-render { position: relative; border: 2px solid var(--border-color); background: rgba(0,0,0,0.01); margin-bottom: 40px; box-shadow: var(--shadow-md); border-radius: 4px; }
@media (prefers-color-scheme: dark) { .board-render { background: rgba(255,255,255,0.02); border-color: #334155; } }
.board-part { position: absolute; border: 1px solid rgba(0,0,0,0.8); display: flex; align-items: center; justify-content: center; overflow: hidden; text-align: center; font-size: 12px; font-weight: 600; color: #000; padding: 2px; background: rgba(255,255,255,0.9); box-shadow: inset 0 0 10px rgba(0,0,0,0.1); transition: all 0.2s; }
.board-part:hover { background: #fff; z-index: 10; box-shadow: 0 4px 12px rgba(0,0,0,0.2); border-color: var(--accent-color); }
.board-part span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }

/* Cut List */
.board-cut-list { margin-bottom: 40px; background: var(--card-bg); padding: 15px 20px; border-radius: 4px; border-left: 4px solid var(--accent-color); box-shadow: var(--shadow-sm); border: 1px solid var(--border-color); }
.board-cut-list ul { margin: 10px 0 0 20px; padding: 0; font-size: 14px; color: var(--text-color); }
.board-cut-list li { margin-bottom: 5px; }
.board-cut-list .total-cut-note { margin-top: 10px; font-size: 12px; font-style: italic; color: var(--danger-color); font-weight: 600; }

@media (max-width: 992px) { .board-title { position: static; margin-bottom: 10px; } }
.board-title { position: absolute; top: -35px; left: 0; font-weight: 700; color: var(--text-color); font-size: 15px; }
.boards-container { padding-top: 40px; }

@media print {
    body * { visibility: hidden; }
    .output-panel, .output-panel * { visibility: visible; }
    .output-panel { position: absolute; left: 0; top: 0; width: 100%; box-shadow: none; border: none; padding: 20px; background: #fff; }
    .btn-print, .output-header button, .header, .footer, .hero-section, .input-panel, .result-action { display: none !important; }
    
    /* Optimizer Specifics */
    .board-render { border: 1px solid #000; box-shadow: none; }
    .board-part { border: 1px solid #000; background: #fff !important; color: #000 !important; }
    
    /* Calculator/Finance Specifics */
    .finance-summary { border: 1px solid #333 !important; background: transparent !important; }
    .finance-summary h4 { color: #000 !important; border-bottom: 1px solid #000 !important; }
    #cost-total { color: #000 !important; }
    .bom-table th { background: #eee !important; color: #000 !important; border-bottom: 2px solid #000 !important; }
    .bom-table td { border-bottom: 1px solid #ccc !important; }
    .stat-card { border: 1px solid #333 !important; background: transparent !important; page-break-inside: avoid; }
    
    /* Force background colors for print */
    * { -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important; }
    
    /* Watermark or header for quote */
    .output-panel::before {
        content: "SerMimar Cephe Mühendisliği - Keşif ve Teklif Raporu";
        display: block;
        font-size: 20px;
        font-weight: bold;
        text-align: center;
        margin-bottom: 30px;
        border-bottom: 2px solid #000;
        padding-bottom: 10px;
    }
}

/* Planner Specific */
.wall-render-container {
    position: relative;
    background: #111;
    border: 3px solid var(--border-color);
    border-radius: 4px;
    margin-bottom: 30px;
    box-shadow: inset 0 0 20px rgba(0,0,0,0.5);
    overflow: hidden;
}
@media (prefers-color-scheme: dark) {
    .wall-render-container { border-color: #334155; }
}
.wall-part {
    position: absolute;
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(0,0,0,0.5); /* Fuga çizgisi */
    box-shadow: inset 0 0 5px rgba(0,0,0,0.1);
    transition: background 0.3s ease;
}
.wall-part:hover {
    background: var(--accent-color);
    opacity: 0.8;
}
/* Siding efekti için hafif gölge (üstteki parça alttakinin üzerine gölge yapar gibi) */
.wall-part.siding {
    border: none;
    border-bottom: 2px solid rgba(0,0,0,0.3);
    box-shadow: 0 3px 5px rgba(0,0,0,0.3);
}