/* This is the CSS extracted from your original HTML file */
:root {
    --primary: #4361ee;
    --primary-dark: #3a56d4;
    --secondary: #7209b7;
    --light: #f8f9fa;
    --dark: #212529;
    --gray: #6c757d;
    --success: #4cc9f0;
    --border-radius: 12px;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: #f5f7ff;
    padding: 0;
    margin: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 2rem 0;
    text-align: center;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

/* This is the <h1> tag now, not just .logo. 
  This applies the style to your main heading.
*/
.logo {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.logo span {
    color: var(--success);
}

header p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
    opacity: 0.9;
}

.main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

@media (max-width: 768px) {
    .main-content {
        grid-template-columns: 1fr;
    }
}

.tool-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.tool-card h2 {
    color: var(--primary);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.upload-area {
    border: 2px dashed #d1d5db;
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    margin-bottom: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    background-color: #f9fafb;
}

.upload-area:hover {
    border-color: var(--primary);
    background-color: #f0f4ff;
}

.upload-area i {
    font-size: 3rem;
    color: var(--gray);
    margin-bottom: 1rem;
}

.upload-area p {
    color: var(--gray);
    margin-bottom: 1rem;
}

.btn {
    display: inline-block;
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    font-size: 1rem;
}

.btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--secondary);
}

.btn-secondary:hover {
    background: #6511a0;
}

.btn-full {
    width: 100%;
}

.page-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.page-control {
    flex: 1;
}

.page-control label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--dark);
}

.page-control input {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
}

.page-control input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
}

.file-info {
    background: #f0f4ff;
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.5rem;
    display: none;
}

.file-info.active {
    display: block;
}

.file-info p {
    margin-bottom: 0.5rem;
}

.file-name {
    font-weight: 500;
    color: var(--primary);
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.feature-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.feature-card p {
    color: var(--gray);
    font-size: 0.9rem;
}

footer {
    background: var(--dark);
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: #adb5bd;
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
}

.copyright {
    margin-top: 1.5rem;
    width: 100%;
    color: #adb5bd;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
}

.loading {
    display: none;
    text-align: center;
    margin: 1rem 0;
}

.spinner {
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-left-color: var(--primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.success-message {
    background: #d1fae5;
    color: #065f46;
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1rem;
    display: none;
}

.success-message.active {
    display: block;
}

/* ======================================= */
/* === NEW NOTIFICATION MODAL STYLES === */
/* ======================================= */
.notification {
    display: none; /* Hidden by default */
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    text-align: center;
    width: 90%;
    max-width: 400px;
    border: 1px solid #eee;
}
.notification p {
    margin-bottom: 1.5rem;
    color: var(--dark);
    font-size: 1.1rem;
    line-height: 1.5;
}
.notification.active {
    display: block;
}
#notificationClose {
    /* Styles are already covered by .btn class */
}