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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 600px;
    margin: 0 auto;
}

h1 {
    text-align: center;
    color: white;
    margin-bottom: 30px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.card {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    margin-bottom: 20px;
}

.input-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
}

input[type="file"],
input[type="password"],
input[type="text"] {
    width: 100%;
    padding: 12px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

input:focus {
    outline: none;
    border-color: #667eea;
}

.btn-primary {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease;
}

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

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.info {
    background: rgba(255,255,255,0.1);
    padding: 20px;
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.info h3 {
    color: white;
    margin-bottom: 15px;
}

.info ul {
    list-style: none;
}

.info li {
    color: rgba(255,255,255,0.9);
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.info li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #4CAF50;
    font-weight: bold;
}

/* Decrypt page styles */
.decrypt-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
}

.decrypt-form {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    text-align: center;
    max-width: 400px;
    width: 100%;
}

.decrypt-form h2 {
    margin-bottom: 20px;
    color: #2c3e50;
}

.decrypt-form input {
    margin-bottom: 20px;
}

.file-content {
    margin-top: 20px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #e9ecef;
    max-height: 70vh;
    overflow-y: auto;
}

.error {
    color: #e74c3c;
    margin-top: 10px;
    font-weight: 500;
}

.success {
    color: #27ae60;
    margin-top: 10px;
    font-weight: 500;
}

.temp-password-section {
    margin-top: 15px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #e9ecef;
}

.temp-password-section label {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.temp-password-section input[type="checkbox"],
.temp-password-section input[type="radio"] {
    width: auto;
    margin-right: 8px;
}
}