:root {
    --primary-dark: #003a32;
    --primary-light: #00fff5;
    --accent: #00796b;
    --dark-bg: #000000;
    --dark-card: #0a1a17;
    --dark-text: #e0e0e0;
    --light-bg: #f5f5f5;
    --light-card: #ffffff;
    --light-text: #333333;
    --warning: #ff9800;
    --success: #4caf50;
    --danger: #f44336;
    --border-radius: 12px;
    --transition: all 0.3s ease;
    --shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    --shadow-hover: 0 12px 25px rgba(0, 0, 0, 0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--dark-bg);
    color: var(--dark-text);
    transition: var(--transition);
    min-height: 100vh;
    padding: 20px;
}

body.light-mode {
    background-color: var(--light-bg);
    color: var(--light-text);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* Header Styles */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--primary-dark);
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
}

.logo-text {
    font-size: 32px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.theme-switcher {
    background: var(--dark-card);
    border: none;
    color: var(--primary-light);
    padding: 12px 20px;
    border-radius: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.theme-switcher:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

body.light-mode .theme-switcher {
    background: var(--light-card);
    color: var(--primary-dark);
}

/* Result Card */
.result-card {
    background: var(--dark-card);
    border-radius: var(--border-radius);
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
}

body.light-mode .result-card {
    background: var(--light-card);
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(0, 255, 245, 0.2);
}

body.light-mode .result-header {
    border-bottom: 1px solid rgba(0, 58, 50, 0.1);
}

.result-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-light);
}

body.light-mode .result-title {
    color: var(--primary-dark);
}

.permission-value {
    font-size: 42px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.permission-hex {
    font-size: 16px;
    color: #aaa;
    font-family: monospace;
    margin-top: 10px;
    padding: 8px 15px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    display: inline-block;
}

body.light-mode .permission-hex {
    background: rgba(0, 58, 50, 0.1);
}

/* Permissions Grid */
.permissions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
}

.permission-category {
    background: var(--dark-card);
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--shadow);
}

body.light-mode .permission-category {
    background: var(--light-card);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(0, 255, 245, 0.2);
}

body.light-mode .category-header {
    border-bottom: 1px solid rgba(0, 58, 50, 0.1);
}

.category-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-dark), var(--accent));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
}

.category-title {
    font-size: 20px;
    font-weight: 700;
}

.permission-list {
    list-style: none;
}

.permission-item {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    padding: 12px;
    border-radius: 8px;
    transition: var(--transition);
}

.permission-item:hover {
    background: rgba(0, 255, 245, 0.05);
}

body.light-mode .permission-item:hover {
    background: rgba(0, 58, 50, 0.05);
}

.permission-item input[type="checkbox"] {
    display: none;
}

.permission-item label {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    width: 100%;
}

.custom-checkbox {
    width: 22px;
    height: 22px;
    border: 2px solid var(--primary-light);
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}

body.light-mode .custom-checkbox {
    border-color: var(--primary-dark);
}

.custom-checkbox::after {
    content: "";
    width: 12px;
    height: 8px;
    border: 2px solid var(--primary-light);
    border-top: none;
    border-right: none;
    transform: rotate(-45deg);
    opacity: 0;
    transition: var(--transition);
    margin-top: -2px;
}

.permission-item input:checked + label .custom-checkbox {
    background: var(--primary-light);
}

body.light-mode .permission-item input:checked + label .custom-checkbox {
    background: var(--primary-dark);
}

.permission-item input:checked + label .custom-checkbox::after {
    opacity: 1;
    border-color: var(--dark-card);
}

body.light-mode .permission-item input:checked + label .custom-checkbox::after {
    border-color: white;
}

.permission-name {
    flex-grow: 1;
}

.requires-2fa {
    color: var(--warning);
    font-weight: 600;
    font-size: 12px;
    background: rgba(255, 152, 0, 0.1);
    padding: 2px 8px;
    border-radius: 4px;
    margin-left: 8px;
}

/* OAuth Section */
.oauth-section {
    background: var(--dark-card);
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

body.light-mode .oauth-section {
    background: var(--light-card);
}

.oauth-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.oauth-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-dark), var(--accent));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
}

.oauth-title {
    font-size: 20px;
    font-weight: 700;
}

.oauth-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    font-weight: 600;
    color: var(--primary-light);
}

body.light-mode .form-label {
    color: var(--primary-dark);
}

.form-input {
    padding: 14px;
    border: 2px solid rgba(0, 255, 245, 0.3);
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.3);
    color: var(--dark-text);
    font-size: 16px;
    transition: var(--transition);
}

body.light-mode .form-input {
    border: 2px solid rgba(0, 58, 50, 0.2);
    background: rgba(0, 58, 50, 0.05);
    color: var(--light-text);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(0, 255, 245, 0.2);
}

body.light-mode .form-input:focus {
    border-color: var(--primary-dark);
    box-shadow: 0 0 0 3px rgba(0, 58, 50, 0.2);
}

.form-input.error {
    border-color: var(--danger);
}

.form-input.success {
    border-color: var(--success);
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 15px;
}

.checkbox-group input {
    width: 18px;
    height: 18px;
}

.oauth-result {
    margin-top: 20px;
    padding: 20px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    word-break: break-all;
}

body.light-mode .oauth-result {
    background: rgba(0, 58, 50, 0.05);
}

.oauth-link {
    color: var(--primary-light);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

body.light-mode .oauth-link {
    color: var(--primary-dark);
}

.oauth-link:hover {
    text-decoration: underline;
}

.oauth-link.disabled {
    color: #888;
    cursor: not-allowed;
    text-decoration: none;
}

/* Footer */
footer {
    text-align: center;
    padding: 20px;
    color: #888;
    font-size: 14px;
    border-top: 1px solid rgba(0, 255, 245, 0.1);
    margin-top: 30px;
}

body.light-mode footer {
    border-top: 1px solid rgba(0, 58, 50, 0.1);
}

.warning-note {
    background: rgba(255, 152, 0, 0.1);
    border-left: 4px solid var(--warning);
    padding: 15px;
    margin: 20px 0;
    border-radius: 0 8px 8px 0;
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .logo-text {
        font-size: 24px;
    }
    
    .permission-value {
        font-size: 32px;
    }
    
    .permissions-grid {
        grid-template-columns: 1fr;
    }
    
    .oauth-form {
        grid-template-columns: 1fr;
    }
}