/* ========================================
   DEMO BUILDER PAGE
   Dark-themed builder with live preview
   ======================================== */

html, body {
    background: #050505;
}
body.demo-page {
    color: #e5e7eb;
}

/* Hero */
.demo-hero {
    padding: 120px 0 40px;
    background: radial-gradient(circle at 10% 20%, rgba(255, 140, 0, 0.2), transparent 55%),
                linear-gradient(160deg, #0a0a0a 0%, #1a1a1a 100%);
}
.demo-hero h1 {
    font-size: 44px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}
.demo-hero p {
    color: rgba(255, 255, 255, 0.7);
    max-width: 620px;
    margin-bottom: 20px;
}
.demo-hero .hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.demo-tip {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: rgba(255, 255, 255, 0.8);
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 13px;
    margin-top: 16px;
}

/* Dark-themed Builder Controls */
.demo-page .builder-controls {
    background: #0f1117;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
    color: #e5e7eb;
}
.demo-page .builder-controls h3 {
    color: #f8fafc;
}
.demo-page .builder-controls .section-title {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: #94a3b8;
    margin-bottom: 12px;
}
.demo-page .builder-controls .control-label {
    color: #cbd5f5;
}
.demo-page .builder-controls .form-input,
.demo-page .builder-controls .form-textarea {
    background: #141824;
    border: 1px solid #2a2f3a;
    color: #f8fafc;
}
.demo-page .builder-controls .form-input::placeholder,
.demo-page .builder-controls .form-textarea::placeholder {
    color: #64748b;
}
.demo-page .builder-controls .form-input:focus,
.demo-page .builder-controls .form-textarea:focus {
    border-color: #ff8c00;
    box-shadow: 0 0 0 3px rgba(255, 140, 0, 0.2);
}
.demo-page .builder-controls .form-help {
    color: #64748b;
}
.demo-page .builder-controls .upload-button {
    background: #141824;
    border: 1px dashed #2d3442;
    color: #e2e8f0;
}
.demo-page .builder-controls .upload-button:hover {
    background: #1b2130;
    border-color: #3b4556;
}
.demo-page .builder-controls .section-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.08);
    margin: 24px 0;
}

/* Dark-themed Preview */
.demo-page .builder-preview {
    background: #0f1117;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
}
.demo-page .preview-label {
    color: rgba(255, 255, 255, 0.6);
}

/* Dark-themed Header overrides */
.demo-page .header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: transparent;
    border-bottom: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}
.demo-page .header.scrolled {
    background: #000000;
    box-shadow: none;
}
.demo-page .header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 64px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0;
}
.demo-page .logo {
    font-size: 26px;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.5px;
}
.demo-page .nav-links {
    display: flex;
    list-style: none;
    gap: 8px;
}
.demo-page .nav-links li a {
    display: block;
    padding: 8px 16px;
    text-decoration: none;
    color: white;
    font-size: 23px;
    font-weight: 400;
    border-radius: 6px;
    transition: color 0.2s;
}
.demo-page .nav-links li a:hover {
    text-decoration: underline;
    text-underline-offset: 6px;
}
.demo-page .btn-login {
    color: white;
}
.demo-page .btn-primary {
    background: transparent;
    border: 1px solid white;
    color: white;
}
.demo-page .btn-primary:hover {
    background: rgba(255, 255, 255, 0.5);
}

/* Upload Button (base, non-dark) */
.upload-button {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 14px;
    border-radius: 10px;
    background: #f8fafc;
    border: 1px dashed #cbd5f5;
    color: #475569;
    cursor: pointer;
    font-weight: 600;
}
.upload-button:hover {
    border-color: #94a3b8;
    background: #f1f5f9;
}