/* ==========================================================================
   VARIABLES & RESET
   ========================================================================== */

:root {
    --color-primary: #667eea;
    --color-primary-dark: #5568d3;
    --color-secondary: #764ba2;
    --color-text: #333;
    --color-text-light: #666;
    --color-text-lighter: #999;
    --color-bg: #f5f5f5;
    --color-bg-section: white;
    --color-border: #e0e0e0;
    --color-success: #22c55e;
    --color-success-bg: #f0fdf4;
    --color-error: #ef4444;
    --color-error-bg: #fef2f2;
    --color-code-bg: #f0f0f0;
    --color-code-dark: #1f1f1f;
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --border-radius: 6px;
    --shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

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

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */

h1, h2, h3 {
    font-weight: 600;
    line-height: 1.2;
}

h2 {
    color: var(--color-primary);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

h3 {
    color: var(--color-text);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

p {
    margin-bottom: var(--spacing-sm);
}

ul, ol {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

li {
    margin-bottom: var(--spacing-xs);
}

code {
    background: var(--color-code-bg);
    padding: 0.2em 0.4em;
    border-radius: 3px;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.9em;
}

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

a:hover {
    text-decoration: underline;
}

/* ==========================================================================
   LAYOUT
   ========================================================================== */

main {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

.page {
    display: none;
}

.page.active {
    display: block;
}

section {
    background: var(--color-bg-section);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

/* ==========================================================================
   HEADER
   ========================================================================== */

header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    padding: var(--spacing-xl) var(--spacing-xl) 0;
}

.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid rgba(255, 255, 255, 0.2);
}

.header-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex: 1;
}

header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: white;
    margin: 0;
}

.tagline {
    font-size: 1rem;
    opacity: 0.95;
    margin: 0;
}

.main-nav {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    color: white;
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-bottom: 3px solid transparent;
    transition: all 0.2s;
    font-weight: 500;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    border-bottom-color: rgba(255, 255, 255, 0.5);
}

.nav-link.active {
    border-bottom-color: white;
    font-weight: 600;
}

.auth-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-left: auto;
}

.auth-btn,
.logout-btn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.2s;
}

.auth-btn:hover,
.logout-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* ==========================================================================
   DOCUMENTATION LAYOUT
   ========================================================================== */

.doku-layout {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

@media (min-width: 1200px) {
    .doku-layout {
        flex-direction: row;
        align-items: flex-start;
    }

    .doku-layout section {
        margin-bottom: 0;
        overflow-y: auto;
        max-height: calc(100vh - 200px);
    }

    .doku-layout section#api-test {
        flex: 1.5;
    }

    .doku-layout section#api-docs {
        flex: 1;
    }
}

/* ==========================================================================
   SECTIONS & HEADERS
   ========================================================================== */

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.section-header h2 {
    margin-bottom: 0;
}

.download-btn {
    background: var(--color-primary);
    color: white;
    border: none;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    white-space: nowrap;
}

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

.download-btn:disabled {
    background: var(--color-text-lighter);
    cursor: not-allowed;
    opacity: 0.7;
}

/* ==========================================================================
   ENDPOINTS
   ========================================================================== */

.endpoint {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.endpoint:first-of-type {
    margin-top: var(--spacing-md);
    padding-top: 0;
    border-top: none;
}

.endpoint h3 {
    color: var(--color-primary);
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 1.1rem;
}

.endpoint p {
    color: var(--color-text-light);
}

/* ==========================================================================
   CODE EXAMPLES
   ========================================================================== */

.example {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: #2d2d2d;
    border-radius: var(--border-radius);
    border: 1px solid #3d3d3d;
}

.example pre {
    overflow-x: auto;
    background: var(--color-code-dark);
    padding: var(--spacing-md);
    border-radius: 4px;
    margin: var(--spacing-md) 0;
}

.example code {
    background: transparent;
    color: #c8c8c8;
    padding: 0;
    font-size: 0.9rem;
}

.example p code,
.example li code {
    background: rgba(255, 255, 255, 0.15);
    padding: 0.2em 0.4em;
    color: #b8d4ff;
}

.code-header {
    position: relative;
    margin-bottom: var(--spacing-xs);
}

.copy-code-btn {
    position: absolute;
    top: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #c8c8c8;
    padding: 0.4rem 0.6rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    opacity: 0.7;
    transition: all 0.2s;
}

.copy-code-btn:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.18);
}

/* ==========================================================================
   INFO BOXES
   ========================================================================== */

.info-box {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: #f8f9fa;
    border-left: 4px solid var(--color-primary);
    border-radius: 4px;
}

.info-box h3 {
    color: var(--color-primary);
    margin-top: 0;
}

.step {
    padding: var(--spacing-lg);
    background: #f8f9fa;
    border-left: 4px solid var(--color-primary);
    border-radius: 4px;
    margin-bottom: var(--spacing-lg);
}

.step h3 {
    margin-top: 0;
    color: var(--color-primary);
}

/* ==========================================================================
   FORMS & INPUTS
   ========================================================================== */

.input-group {
    margin-bottom: var(--spacing-sm);
}

.input-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-text);
}

.input-group input,
.input-group select,
.input-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.95rem;
}

.input-group textarea {
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.85rem;
    resize: vertical;
}

.test-config {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

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

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

.test-tabs {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-border);
}

.tab-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-size: 1rem;
    color: var(--color-text-light);
    transition: all 0.2s;
}

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

.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    font-weight: 600;
}

.tab-content {
    display: none;
}

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

/* ==========================================================================
   STATUS INDICATORS
   ========================================================================== */

.api-status {
    padding: 0.25rem var(--spacing-sm);
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.85rem;
    white-space: nowrap;
}

.api-status.connected {
    background: var(--color-success-bg);
    border: 1px solid var(--color-success);
    color: #166534;
}

.api-status.error {
    background: var(--color-error-bg);
    border: 1px solid var(--color-error);
    color: #991b1b;
}

.test-result {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    display: none;
}

.test-result.active,
.test-result.success,
.test-result.error,
.test-result.loading {
    display: block;
}

.test-result.success {
    background: var(--color-success-bg);
    border: 1px solid var(--color-success);
    color: #166534;
}

.test-result.error {
    background: var(--color-error-bg);
    border: 1px solid var(--color-error);
    color: #991b1b;
}

.test-result.loading {
    background: #f8f9fa;
    border: 1px solid var(--color-border);
    color: var(--color-text);
}

/* ==========================================================================
   JSON EDITOR
   ========================================================================== */

.json-editor-container {
    border: 1px solid var(--color-border);
    border-radius: 4px;
    overflow: hidden;
    margin-top: var(--spacing-xs);
}

.json-editor-container .CodeMirror {
    height: auto;
    min-height: 300px;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.85rem;
    line-height: 1.5;
}

.json-editor-container .CodeMirror-focused {
    outline: 2px solid var(--color-primary);
    outline-offset: -1px;
}

.json-editor-container .CodeMirror-gutters {
    background: #f8f9fa;
    border-right: 1px solid var(--color-border);
}

/* ==========================================================================
   CHANGELOG
   ========================================================================== */

.changelog-content {
    white-space: pre-wrap;
    font-family: 'Monaco', 'Courier New', monospace;
    background: var(--color-code-bg);
    padding: var(--spacing-lg);
    border-radius: 4px;
    max-height: 600px;
    overflow-y: auto;
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ==========================================================================
   AUTH MODAL
   ========================================================================== */

.auth-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.auth-modal-content {
    background-color: var(--color-bg-section);
    margin: 5% auto;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    max-width: 500px;
    width: 90%;
    position: relative;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.auth-close {
    position: absolute;
    right: var(--spacing-md);
    top: var(--spacing-md);
    font-size: 2rem;
    font-weight: bold;
    color: var(--color-text-lighter);
    cursor: pointer;
    line-height: 1;
}

.auth-close:hover {
    color: var(--color-text);
}

.auth-tabs {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--color-border);
}

.auth-tab-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-size: 1rem;
    color: var(--color-text-light);
    transition: all 0.2s;
}

.auth-tab-btn:hover {
    color: var(--color-primary);
}

.auth-tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    font-weight: 600;
}

.auth-tab-content {
    display: none;
}

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

.auth-tab-content h2 {
    margin-bottom: var(--spacing-lg);
}

.auth-error {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--color-error-bg);
    border: 1px solid var(--color-error);
    color: #991b1b;
    border-radius: 4px;
    font-size: 0.9rem;
}

.auth-success {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-success-bg);
    border: 1px solid var(--color-success);
    color: #166534;
    border-radius: 4px;
}

.auth-success code {
    background: rgba(0, 0, 0, 0.05);
    padding: 0.2em 0.4em;
    border-radius: 3px;
}

/* ==========================================================================
   ACCOUNT PAGE
   ========================================================================== */

.account-value {
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.95rem;
    color: var(--color-text);
    margin: 0;
}

.api-key-display {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.api-key-code {
    flex: 1;
    padding: var(--spacing-sm);
    background: var(--color-code-bg);
    border-radius: 4px;
    word-break: break-all;
    font-size: 0.9rem;
}

.copy-btn {
    background: var(--color-primary);
    color: white;
    border: none;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.2s;
}

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

.config-info {
    margin-top: var(--spacing-lg);
}

.config-item {
    margin-bottom: var(--spacing-lg);
}

.config-item label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.config-value {
    display: block;
    font-family: 'Monaco', 'Courier New', monospace;
    padding: var(--spacing-sm);
    background: var(--color-code-bg);
    border-radius: 4px;
    font-size: 0.9rem;
}

.config-input {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.9rem;
    background: white;
}

.config-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.1);
}

.config-input:disabled {
    background: var(--color-code-bg);
    cursor: not-allowed;
    opacity: 0.7;
}

.login-prompt {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-text-light);
}

.flow {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

footer {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-text-light);
}

footer a {
    color: var(--color-primary);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 768px) {
    header {
        padding: var(--spacing-lg) var(--spacing-md) 0;
    }

    .header-top {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
        width: 100%;
    }

    .auth-section {
        margin-left: 0;
        width: 100%;
        justify-content: center;
    }

    .main-nav {
        width: 100%;
        flex-wrap: wrap;
    }

    main {
        padding: var(--spacing-md) var(--spacing-md);
    }

    section {
        padding: var(--spacing-md);
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .download-btn {
        width: 100%;
    }

    .test-config {
        grid-template-columns: 1fr;
    }

    .auth-modal-content {
        margin: 10% auto;
        padding: var(--spacing-lg);
    }

    /* Account page: two-column layout becomes single column on mobile */
    #account-info > div[style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
        gap: var(--spacing-lg) !important;
    }
}

/* Account page responsive layout */
@media (max-width: 1200px) {
    #account-info > div[style*="grid-template-columns"] {
        grid-template-columns: 1fr !important;
    }
}