/* ========================================
   Global Styles
   ======================================== */

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

:root {
    --primary-color: #0066cc;
    --primary-hover: #0052a3;
    --secondary-color: #6c757d;
    --secondary-hover: #5a6268;
    --success-color: #28a745;
    --error-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-light: #adb5bd;
    
    --border-color: #dee2e6;
    --border-radius: 8px;
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
}

/* ========================================
   Container & Layout
   ======================================== */

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

.main-content {
    display: flex;
    flex-direction: column;
}

/* ========================================
   Authentication Container
   ======================================== */

.auth-container {
    display: flex;
    gap: 40px;
    align-items: flex-start;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.auth-container.hidden {
    display: none;
    opacity: 0;
}

.auth-container.visible {
    display: flex;
}

.auth-card {
    flex: 1;
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--shadow-md);
    max-width: 450px;
}

.auth-card h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.auth-card .subtitle {
    color: var(--text-secondary);
    margin-bottom: 32px;
    font-size: 14px;
}

/* ========================================
   Forms
   ======================================== */

.form-section {
    display: none;
}

.form-section.visible {
    display: block;
}

.form-section h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--text-primary);
}

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

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border-color);
    border-radius: calc(var(--border-radius) / 2);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-group input::placeholder {
    color: var(--text-light);
}

.form-group small {
    display: block;
    margin-top: 6px;
    color: var(--text-secondary);
    font-size: 12px;
}

/* Validation Status */
.validation-status {
    background: var(--bg-secondary);
    border-left: 3px solid var(--info-color);
    padding: 16px;
    border-radius: calc(var(--border-radius) / 2);
    margin-bottom: 20px;
}

.validation-item {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
    font-size: 13px;
}

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

.validation-item .check {
    color: var(--success-color);
    font-weight: bold;
    margin-right: 8px;
    width: 16px;
}

.validation-item.invalid .check {
    color: var(--error-color);
}

.validation-item .label {
    color: var(--text-secondary);
}

.validation-item.invalid .label {
    color: var(--error-color);
}

/* Form Switcher */
.form-switcher {
    text-align: center;
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.form-switcher p {
    color: var(--text-secondary);
    font-size: 14px;
}

.form-switcher a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.form-switcher a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    padding: 12px 20px;
    border: none;
    border-radius: calc(var(--border-radius) / 2);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    box-shadow: 0 4px 8px rgba(0, 102, 204, 0.2);
}

.btn-primary:active {
    transform: scale(0.98);
}

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

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

.btn-block {
    width: 100%;
    margin-bottom: 8px;
}

.btn-small {
    padding: 6px 12px;
    font-size: 12px;
}

/* ========================================
   Flow Visualizer
   ======================================== */

.flow-visualizer {
    flex: 1;
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--shadow-md);
    min-width: 300px;
}

.flow-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.flow-steps {
    display: flex;
    align-items: center;
    gap: 12px;
    overflow-x: auto;
    padding-bottom: 12px;
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    min-width: 100px;
    text-align: center;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: calc(var(--border-radius) / 2);
    flex-shrink: 0;
}

.step-icon {
    font-size: 24px;
}

.step-label {
    font-weight: 600;
    font-size: 12px;
    color: var(--text-primary);
}

.step-data {
    font-size: 11px;
    color: var(--text-secondary);
}

.flow-arrow {
    color: var(--text-secondary);
    font-weight: bold;
    font-size: 18px;
    flex-shrink: 0;
}

/* ========================================
   Dashboard Container
   ======================================== */

.dashboard-container {
    display: none;
}

.dashboard-container.visible {
    display: block;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--border-color);
}

.dashboard-header h1 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

/* ========================================
   Cards
   ======================================== */

.card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--shadow-md);
}

.card h2 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.card h3 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.section-description {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

/* Profile Card */
.profile-card {
    grid-column: 1;
}

.profile-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.info-item {
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.info-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.info-item label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.info-value {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    word-break: break-all;
    font-family: 'Monaco', 'Courier New', monospace;
}

/* Auth Status Card */
.auth-status-card {
    grid-column: 2;
}

.status-item {
    padding-bottom: 16px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.status-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
}

.status-item label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.status-badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: calc(var(--border-radius) / 2);
    font-size: 12px;
    font-weight: 600;
}

.status-authenticated {
    background-color: #d4edda;
    color: #155724;
}

.status-unauthenticated {
    background-color: #f8d7da;
    color: #721c24;
}

.token-display-container {
    display: flex;
    gap: 8px;
    align-items: center;
}

.token-display {
    flex: 1;
    background: var(--bg-secondary);
    padding: 12px;
    border-radius: calc(var(--border-radius) / 2);
    font-size: 12px;
    font-family: 'Monaco', 'Courier New', monospace;
    color: var(--text-secondary);
    overflow: auto;
    max-height: 80px;
    word-break: break-all;
}

.token-display.masked {
    letter-spacing: 2px;
    font-size: 14px;
}

/* API Request Card */
.api-request-card {
    grid-column: 1 / -1;
}

.endpoint-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.detail-item {
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: calc(var(--border-radius) / 2);
}

.detail-item label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.detail-value {
    font-size: 13px;
    font-family: 'Monaco', 'Courier New', monospace;
    color: var(--text-primary);
    word-break: break-all;
}

.api-response-container {
    margin-top: 16px;
}

.response-section {
    margin-top: 16px;
}

.response-body {
    background: var(--bg-secondary);
    padding: 16px;
    border-radius: calc(var(--border-radius) / 2);
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 12px;
    color: var(--text-primary);
    max-height: 300px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-word;
}

.placeholder {
    color: var(--text-secondary);
    font-style: italic;
}

/* Activity Card */
.activity-card {
    grid-column: 1 / -1;
}

.activity-panel {
    background: var(--bg-secondary);
    border-radius: calc(var(--border-radius) / 2);
    padding: 16px;
    max-height: 300px;
    overflow-y: auto;
}

.activity-placeholder {
    text-align: center;
    padding: 32px 16px;
    color: var(--text-secondary);
}

.activity-step {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px;
    margin-bottom: 8px;
    background: var(--bg-primary);
    border-left: 3px solid var(--primary-color);
    border-radius: calc(var(--border-radius) / 2);
}

.activity-step.completed {
    border-left-color: var(--success-color);
}

.activity-step.error {
    border-left-color: var(--error-color);
}

.activity-icon {
    font-size: 16px;
    flex-shrink: 0;
}

.activity-content {
    flex: 1;
}

.activity-content .title {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 13px;
}

.activity-content .details {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* API Inspector Card */
.api-inspector-card {
    grid-column: 1 / -1;
}

.inspector-section {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.inspector-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.inspector-section h3 {
    margin-bottom: 12px;
}

.inspector-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}

.code-block {
    background: var(--bg-secondary);
    padding: 16px;
    border-radius: calc(var(--border-radius) / 2);
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 12px;
    color: var(--text-primary);
    overflow-x: auto;
    line-height: 1.5;
    border: 1px solid var(--border-color);
}

/* JWT Visualizer Card */
.jwt-visualizer-card {
    grid-column: 1 / -1;
}

.jwt-structure {
    display: flex;
    align-items: stretch;
    gap: 12px;
    margin-bottom: 16px;
    overflow-x: auto;
    padding-bottom: 12px;
}

.jwt-part {
    flex: 1;
    padding: 16px;
    border-radius: calc(var(--border-radius) / 2);
    min-width: 200px;
}

.header-part {
    background: #e3f2fd;
    border-left: 3px solid #1976d2;
}

.payload-part {
    background: #f3e5f5;
    border-left: 3px solid #7b1fa2;
}

.signature-part {
    background: #e8f5e9;
    border-left: 3px solid #388e3c;
}

.part-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.part-content {
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 11px;
    margin: 0;
    color: var(--text-primary);
    overflow-x: auto;
}

.jwt-separator {
    font-size: 28px;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.jwt-note {
    font-size: 12px;
    color: var(--text-secondary);
    font-style: italic;
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 768px) {
    .auth-container {
        flex-direction: column;
    }

    .auth-card {
        max-width: 100%;
    }

    .flow-visualizer {
        max-width: 100%;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .profile-card,
    .auth-status-card,
    .api-request-card {
        grid-column: 1 !important;
    }

    .jwt-structure {
        flex-direction: column;
    }

    .flow-steps {
        flex-wrap: wrap;
    }

    .dashboard-header {
        flex-direction: column;
        gap: 16px;
        align-items: flex-start;
    }

    .dashboard-header h1 {
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 12px;
    }

    .auth-card {
        padding: 24px;
    }

    .auth-card h1 {
        font-size: 24px;
    }

    .flow-visualizer {
        padding: 16px;
    }

    .card {
        padding: 16px;
    }

    .btn-block {
        padding: 10px 16px;
        font-size: 13px;
    }

    .endpoint-details {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Dark Mode Support (Optional)
   ======================================== */

@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #1e1e1e;
        --bg-secondary: #2d2d2d;
        --bg-tertiary: #3d3d3d;
        
        --text-primary: #e4e4e7;
        --text-secondary: #a1a1a1;
        --text-light: #737373;
        
        --border-color: #404040;
    }

    .form-group input {
        background-color: #2d2d2d;
        border-color: #404040;
    }

    .form-group input:focus {
        box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.2);
    }

    .jwt-structure .jwt-part {
        color: var(--text-primary);
    }

    .header-part {
        background: #0d47a1;
        color: #bbdefb;
    }

    .payload-part {
        background: #4a148c;
        color: #e1bee7;
    }

    .signature-part {
        background: #1b5e20;
        color: #c8e6c9;
    }
}

/* ========================================
   Animations
   ======================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.card {
    animation: fadeIn 0.3s ease;
}

.activity-step {
    animation: slideIn 0.3s ease;
}