:root {
    --primary: #006857;
    --accent: #02a78b;
    --background: #f4f7f6;
    --border-color: #d1d5db;
    --card-bg: #ffffff;
    --text-color: #1a1a1a;
    --input-bg: #ffffff;
    --modal-bg: #ffffff;
    --button-text: #ffffff;
}

body.dark-mode {
    --primary: #02a78b;
    --accent: #006857;
    --background: #1a202c;
    --border-color: #4a5568;
    --card-bg: #2d3748;
    --text-color: #f7fafc;
    --input-bg: #4a5568;
    --modal-bg: #2d3748;
}

body {
    font-family: 'Inter', sans-serif;
    margin: 2rem;
    background: var(--background);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}

.theme-switch-wrapper {
    position: absolute;
    top: 1rem;
    right: 2rem;
    z-index: 1001;
}
.theme-switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}
.theme-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}
.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 34px;
}
.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}
input:checked + .slider {
    background-color: var(--primary);
}
input:checked + .slider:before {
    transform: translateX(26px);
}

h1 {
    color: var(--primary);
    text-align: center;
}
h2 {
    color: var(--primary);
    margin-top: 2rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary);
}
form {
    max-width: 100%;
    margin: 0 auto;
    padding: 2rem;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
label {
    display: block;
    margin: 0.5rem 0 0.2rem;
    font-weight: 600;
    color: var(--primary);
}
input, textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    margin-bottom: 1rem;
    box-sizing: border-box;
    background-color: var(--input-bg);
    color: var(--text-color);
}
textarea {
    resize: vertical;
}

.vuln-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}
.vuln-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    cursor: pointer;
    transition: box-shadow 0.2s, transform 0.2s;
    word-wrap: break-word;
}
.vuln-card:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}
.vuln-card h4 {
    margin: 0 0 0.5rem 0;
    color: var(--text-color);
}
.vuln-card p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-color);
    opacity: 0.8;
}
.add-card {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary);
    border-style: dashed;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}
.modal-content {
    background: var(--modal-bg);
    padding: 2rem;
    border-radius: 8px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
}
.modal-footer {
    margin-top: 1.5rem;
    text-align: right;
}

button {
    background: var(--accent);
    color: var(--button-text);
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    margin-right: 0.5rem;
    transition: background 0.2s;
}
button:hover {
    background: var(--primary);
}
.button-secondary {
    background: #6c757d;
}
.button-secondary:hover {
    background: #5a6268;
}

button.export-btn {
    background: var(--primary);
}
hr {
    border: 0;
    border-top: 1px solid var(--border-color);
    margin: 1rem 0;
}

.checkbox-group {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}
.checkbox-group input[type="checkbox"] {
    width: auto;
    margin: 0 0.75rem 0 0;
    height: 1.25rem;
    width: 1.25rem;
}
.checkbox-group label {
    margin: 0;
    font-weight: normal;
    color: var(--text-color);
}

/* NEW: Styles for Quill editor */
.quill-editor {
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-bottom: 1rem;
}
body.dark-mode .quill-editor .ql-container {
    background: var(--input-bg);
    color: var(--text-color);
    border-color: var(--border-color);
}
body.dark-mode .quill-editor .ql-toolbar {
    background: var(--card-bg);
    border-color: var(--border-color);
}