:root {
    --bg-main: #0B0F19;
    --bg-card: #1A1E29;
    --accent-purple: #7C3AED;
    --accent-blue: #3B82F6;
    --text-main: #F3F4F6;
    --text-muted: #9CA3AF;
    --border: #2D3748;
    --danger-color: #ef4444;
    --success-color: #4ade80;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 2rem;
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-main);
}

a {
    color: var(--accent-blue);
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

button, .btn {
    background: #111827;
    color: white;
    border: 1px solid rgba(139, 92, 246, 0.4);
    padding: 10px 20px;
    border-radius: 0;
    cursor: pointer;
    font-weight: bold;
    font-size: 1rem;
    transition: all 0.3s ease;
}
button:hover, .btn:hover {
    box-shadow: 0 0 15px rgba(139, 92, 246, 0.6);
    border-color: rgba(139, 92, 246, 0.8);
    outline: none;
}

.btn-danger {
    background: var(--danger-color);
}

.btn-secondary {
    background: var(--bg-card);
    border: 1px solid var(--border);
}

input, select, textarea {
    background-color: var(--bg-main);
    color: var(--text-main);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px;
    font-size: 1rem;
    font-family: inherit;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent-purple);
}

.card, .modal-container, .profile-section, .login-container, .register-container, .container, main {
    background-color: var(--bg-card);
    padding: 1.5rem 2rem;
    border-radius: 12px;
    border: 1px solid var(--border);
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-card);
    border-radius: 8px;
    overflow: hidden;
}
th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
thead tr {
    background-color: #252a38;
}
tbody tr:last-child td {
    border-bottom: none;
}
tbody tr:hover {
    background-color: #212633;
}

.gradient-text {
    background: linear-gradient(to right, var(--accent-purple), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Quill Editor Dark Theme */
.ql-toolbar, .ql-container {
    border-color: var(--border) !important;
}
.ql-editor {
    color: var(--text-main);
}
.ql-snow .ql-stroke {
    stroke: var(--text-muted);
}
.ql-snow .ql-picker-label {
    color: var(--text-muted);
}
.ql-snow .ql-picker-options {
    background-color: var(--bg-card);
    border-color: var(--border) !important;
}

.error, .error-message { color: var(--danger-color); }
.success, .success-message { color: var(--success-color); }