:root {
    --primary-red: #e5322d; --dark-text: #333333; --light-text: #666666;
    --border-color: #e0e0e0; --background-light: #f8f9fa; --white: #ffffff;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Poppins', sans-serif; background-color: var(--background-light); color: var(--dark-text); }
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

.header { background-color: var(--white); padding: 12px 0; border-bottom: 1px solid var(--border-color); position: sticky; top: 0; z-index: 1000; }
.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.search-container {
    flex-grow: 1;
    display: flex;
    justify-content: center;
}
.logo { font-size: 24px; font-weight: 700; color: var(--primary-red); text-decoration: none; }
.main-nav a { text-decoration: none; color: var(--dark-text); margin: 0 15px; font-weight: 500; }

#searchInput {
    border: 2px solid var(--primary-red);
    border-radius: 5px;
    padding: 8px 10px;
    font-size: 16px;
    font-family: 'Poppins', sans-serif;
    width: 250px;
    transition: width 0.3s ease-in-out;
}

#searchInput:focus {
    outline: none;
    width: 300px;
}

.hero-section { background-color: var(--white); padding: 60px 0; text-align: center; }
.hero-section h1 { font-size: 48px; font-weight: 700; margin-bottom: 1rem; }
.hero-section p { font-size: 18px; color: var(--light-text); max-width: 800px; margin: 0 auto 2rem auto; }
.cta-button { background-color: var(--primary-red); color: white; padding: 15px 30px; text-decoration: none; border-radius: 5px; font-weight: 500; }

.tools-section { padding: 40px 0; padding-bottom: 80px; }
.tools-section h2 { text-align: center; margin-bottom: 2rem; font-size: 32px; }
.tools-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 25px; }
.tool-card { background-color: var(--white); border: 1px solid var(--border-color); border-radius: 8px; padding: 25px; text-align: left; transition: transform 0.2s ease, box-shadow 0.2s ease; display: flex; flex-direction: column; text-decoration: none; color: var(--dark-text); }
.tool-card:hover { transform: translateY(-5px); box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08); }
.tool-icon { width: 48px; height: 48px; border-radius: 8px; margin-bottom: 20px; display: flex; align-items: center; justify-content: center; }
.tool-icon svg { width: 28px; height: 28px; fill: var(--white); }
.tool-card h2 { font-size: 20px; font-weight: 600; margin-bottom: 10px; display: block; }
    .tool-card p { font-size: 14px; color: var(--light-text); line-height: 1.6; flex-grow: 1; display: block; }

.page-content { background-color: var(--white); padding: 40px; border-radius: 8px; margin-top: 40px; }
.page-content h1 { font-size: 36px; margin-bottom: 1rem; }
.page-content h2 { font-size: 24px; margin-top: 2rem; margin-bottom: 1rem; border-bottom: 2px solid var(--border-color); padding-bottom: 0.5rem; }
.page-content p, .page-content li { line-height: 1.8; color: var(--light-text); }
.page-content ul { padding-left: 20px; }

.tool-page-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
    padding-top: 2rem;
}
.tool-interface {
    width: 100%;
    max-width: 700px;
    background: var(--white);
    padding: 30px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}
.tool-content {
    width: 100%;
    max-width: 700px;
    background-color: var(--white);
    padding: 40px;
    border-radius: 8px;
}
.tool-content h1 { font-size: 32px; }
.tool-content h1.tool-page-title { text-align: center; }
.tool-content h2 { font-size: 22px; }

.contact-form { max-width: 600px; margin: 2rem auto; }
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: 500; }
.form-group input, .form-group textarea { width: 100%; padding: 12px; border: 1px solid var(--border-color); border-radius: 5px; font-family: 'Poppins', sans-serif; }
.form-group textarea { resize: vertical; min-height: 150px; }
.submit-btn { background-color: var(--primary-red); color: white; border: none; padding: 15px 30px; font-size: 16px; border-radius: 5px; cursor: pointer; }

#file-drop-zone { border: 3px dashed var(--border-color); border-radius: 8px; padding: 40px 20px; margin: 20px 0; cursor: pointer; text-align: center; transition: background-color 0.2s;}
#file-drop-zone.dragover { background-color: #f0f0f0; }
#process-button { background-color: var(--primary-red); color: white; border: none; padding: 15px 30px; font-size: 16px; border-radius: 5px; cursor: pointer; width: 100%; margin-top: 15px; }
#process-button:disabled { background-color: var(--light-text); cursor: not-allowed; }
#status-area a { color: var(--primary-red); }

#page-container canvas {
    max-width: 100%;
    height: auto;
    border: 1px solid var(--border-color);
    margin-bottom: 10px;
}

.drowning-border {
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 0 5px var(--primary-red), 0 0 10px var(--primary-red), 0 0 15px var(--primary-red);
    margin-top: 40px;
    background-color: var(--white);
}

.footer { background-color: var(--white); border-top: 1px solid var(--border-color); padding: 2rem 0; text-align: center; margin-top: 40px; }
.footer-nav a { color: var(--dark-text); text-decoration: none; margin: 0 15px; font-size: 14px; }
.footer p { margin-top: 1rem; color: var(--light-text); font-size: 14px; }

@media (max-width: 992px) {
    .main-nav {
        display: none; /* Hide nav on smaller screens for simplicity, can be replaced with a hamburger menu */
    }
    .header .container {
        justify-content: space-between;
    }
    .search-container {
        justify-content: flex-end;
    }
    #searchInput {
        width: 200px;
    }
}

.tool-category-header {
    border: 2px solid #e53935;
    border-radius: 0;
    padding: 15px 20px;
    margin: 30px 0 20px 0;
    background-color: var(--white);
    font-size: 24px;
    font-weight: 600;
    color: var(--dark-text);
    text-align: left;
}

.free-message {
    font-size: 20px;
    color: #e53935;
    margin: 20px 0;
    text-align: center;
}

@media (max-width: 768px) {
    .hero-section h1 { font-size: 36px; }
}