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

:root {
    --primary-color: #3b82f6;
    --primary-hover: #60a5fa;
    --secondary-color: #94a3b8;
    --success-color: #34d399;
    --error-color: #f87171;
    --background: #0f172a;
    --surface: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --border-color: #334155;
    --border-radius: 8px;
}

body {
    font-family:
        -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
        sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 2rem;
}

header h1 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

header p {
    color: var(--text-secondary);
}

/* Tab Navigation */
.tab-nav {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    background: var(--surface);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.tab-btn:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

.tab-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Tab Content */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Form Sections */
.form-section {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-section h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.form-section h3 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.section-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* Object Permissions */
.object-permission {
    background: var(--background);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1rem;
}

.object-permission h3 {
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.object-note {
    display: block;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
}

/* Scope Info Box */
.scope-info {
    margin-top: 0.75rem;
    padding: 0.75rem;
    background: var(--background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.85rem;
}

.scope-info-item {
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
    line-height: 1.4;
}

.scope-info-item:last-child {
    margin-bottom: 0;
}

.scope-info-item strong {
    color: var(--text-primary);
    font-family: monospace;
}

/* Form Groups */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group input[type="email"],
.form-group input[type="datetime-local"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition:
        border-color 0.2s,
        box-shadow 0.2s;
    background-color: var(--background);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-secondary);
    opacity: 0.3;
    font-weight: 400;
}

.form-group small {
    display: block;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

.required {
    color: var(--error-color);
}

/* Form Row - Side by side */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    align-items: end;
}

/* Input with toggle */
.input-with-toggle {
    display: flex;
    gap: 0.5rem;
}

.input-with-toggle input {
    flex: 1;
}

.input-with-copy {
    position: relative;
    flex: 1;
    display: flex;
}

.input-with-copy input {
    flex: 1;
    width: 100%;
    padding: 0.75rem 2.5rem 0.75rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    background-color: var(--background);
    color: var(--text-primary);
}

.btn-copy-inline {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.6;
    transition: opacity 0.2s, color 0.2s, background-color 0.2s;
}

.btn-copy-inline:hover {
    opacity: 1;
    color: var(--text-primary);
    background: var(--border-color);
}

.btn-copy-inline.copied {
    color: var(--success-color);
    opacity: 1;
}

.btn-icon {
    padding: 0.75rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.85rem;
    white-space: nowrap;
    color: var(--text-primary);
}

.btn-icon:hover {
    background: var(--border-color);
}

.btn-icon-subtle {
    background: transparent;
    border-color: transparent;
    color: var(--text-secondary);
    padding: 0.75rem 0.75rem;
}

.btn-icon-subtle:hover {
    background: var(--surface);
    color: var(--text-primary);
}

/* Timestamp Preview */
.timestamp-preview {
    font-family: monospace;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* Quick Dates */
.quick-dates {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.quick-dates span {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Buttons */
.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color 0.2s;
    color: var(--text-primary);
}

.btn-small:hover {
    background: var(--border-color);
}

.btn-apply {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.btn-apply:hover {
    background: var(--primary-hover);
}

/* Permission Calculator */
.permission-calculator {
    background: var(--background);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1rem;
}

.permission-calculator p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.permission-calculator h3 {
    font-size: 0.95rem;
    color: var(--primary-color);
    margin-top: 1.25rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.25rem;
    border-bottom: 1px solid var(--border-color);
}

.permission-calculator h3:first-of-type {
    margin-top: 0;
}

.permission-checkboxes {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.permission-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    background: var(--surface);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
}

.permission-item:hover {
    background: var(--border-color);
}

.permission-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.perm-value {
    font-family: monospace;
    font-weight: bold;
    color: var(--primary-color);
    min-width: 40px;
}

.permission-result {
    font-size: 1.1rem;
    padding: 0.75rem;
    background: var(--surface);
    border-radius: var(--border-radius);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.permission-result strong {
    font-family: monospace;
    font-size: 1.25rem;
    color: var(--primary-color);
}

.btn-toggle-summary {
    margin-left: 0.5rem;
}

.permission-summary {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--surface);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.permission-summary ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.permission-summary li {
    padding: 0.4rem 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.permission-summary li:last-child {
    border-bottom: none;
}

.permission-summary .perm-name {
    color: var(--text-primary);
    font-weight: 500;
}

.permission-summary .perm-desc {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.btn-primary {
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn-primary:hover {
    background: var(--primary-hover);
}

.btn-secondary {
    padding: 1rem 2rem;
    font-size: 1rem;
    background: var(--surface);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color 0.2s;
}

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

/* Output Section */
.output-section {
    background: var(--surface);
    border: 2px solid var(--success-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-top: 2rem;
}

.output-section h2 {
    color: var(--success-color);
    margin-bottom: 1rem;
}

.output-box {
    margin-bottom: 1.5rem;
}

.output-box:last-child {
    margin-bottom: 0;
}

.output-box label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.token-container {
    display: flex;
    gap: 0.5rem;
}

.token-container textarea,
.token-container input {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: monospace;
    font-size: 0.9rem;
    background: var(--background);
    color: var(--text-primary);
}

.btn-copy {
    padding: 0.75rem 1rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.2s;
}

.btn-copy:hover {
    background: var(--primary-hover);
}

.btn-copy.copied {
    background: var(--success-color);
}

#payload-preview {
    padding: 1rem;
    background: var(--background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: monospace;
    font-size: 0.85rem;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
}

/* JWT Decoder */
.decode-result {
    margin-top: 1.5rem;
}

.decode-box {
    margin-bottom: 1rem;
}

.decode-box label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.decode-box pre {
    padding: 1rem;
    background: var(--background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: monospace;
    font-size: 0.85rem;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
    color: var(--text-primary);
    margin: 0;
}

#token-status {
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
}

#token-status.status-valid {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success-color);
    color: var(--success-color);
}

#token-status.status-expired {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error-color);
    color: var(--error-color);
}

#token-status.status-not-yet-valid {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid #f59e0b;
    color: #f59e0b;
}

.decode-error {
    padding: 0.75rem 1rem;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error-color);
    border-radius: var(--border-radius);
    color: var(--error-color);
    margin-top: 1rem;
}

/* Footer */
footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 600px) {
    .container {
        padding: 1rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .form-actions {
        flex-direction: column;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
    }

    .permission-checkboxes {
        grid-template-columns: 1fr;
    }
}