/* ============================================
   GAHP User Guides — Shared Styles
   ============================================ */

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --bg: #f8fafc;
    --surface: #ffffff;
    --border: #e2e8f0;
    --text: #1e293b;
    --text-muted: #475569;
    --warning: #f59e0b;
    --success: #10b981;
    --danger: #ef4444;
    --sidebar-width: 220px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
}

/* ============================================
   Layout
   ============================================ */

.page-wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Navigation */
.sidebar {
    width: var(--sidebar-width);
    background: var(--surface);
    border-right: 1px solid var(--border);
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    overflow-y: auto;
    padding: 0;
    z-index: 100;
}

.sidebar-header {
    padding: 24px 20px 16px;
    border-bottom: 1px solid var(--border);
}

.sidebar-logo {
    font-size: 18px;
    font-weight: 900;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sidebar-logo span {
    background: var(--primary);
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
}

.sidebar-nav {
    padding: 16px 12px;
}

.sidebar-section {
    margin-bottom: 24px;
}

.sidebar-section-title {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 0 8px;
    margin-bottom: 4px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 8px;
    color: var(--text);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.15s;
}

.sidebar-link:hover {
    background: var(--bg);
    color: var(--primary);
}

.sidebar-link.active {
    background: #eff6ff;
    color: var(--primary);
    font-weight: 600;
}

.sidebar-link svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 48px;
    max-width: 860px;
}

/* ============================================
   Typography
   ============================================ */

h1 {
    font-size: 36px;
    font-weight: 900;
    color: var(--text);
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
    margin: 48px 0 20px;
    padding-top: 48px;
    border-top: 1px solid var(--border);
}

h2:first-of-type {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    margin: 28px 0 12px;
}

p {
    color: var(--text-muted);
    margin-bottom: 16px;
}

.intro {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.note {
    background: #fffbeb;
    border: 1px solid #fde68a;
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 14px;
    color: #92400e;
    margin: 20px 0;
}

.note strong {
    display: block;
    margin-bottom: 4px;
}

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

.step {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    margin: 32px 0;
    overflow: hidden;
}

.step-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    background: var(--bg);
}

.step-number {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    font-weight: 900;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.step-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
}

.step-body {
    padding: 24px;
}

.step-body p {
    margin-bottom: 12px;
}

.step-body img {
    width: 100%;
    border-radius: 8px;
    border: 1px solid var(--border);
    margin: 16px 0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.screenshot-caption {
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
    margin-top: -8px;
    margin-bottom: 16px;
    font-style: italic;
}

ul, ol {
    margin: 12px 0 16px 24px;
    color: var(--text-muted);
}

li {
    margin-bottom: 8px;
}

strong {
    color: var(--text);
    font-weight: 600;
}

code {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 2px 6px;
    font-size: 13px;
    font-family: 'Courier New', monospace;
    color: var(--danger);
}

/* ============================================
   Info Boxes
   ============================================ */

.info-box {
    background: #eff6ff;
    border-left: 4px solid var(--primary);
    border-radius: 0 8px 8px 0;
    padding: 12px 16px;
    margin: 16px 0;
    font-size: 14px;
}

.warning-box {
    background: #fffbeb;
    border-left: 4px solid var(--warning);
    border-radius: 0 8px 8px 0;
    padding: 12px 16px;
    margin: 16px 0;
    font-size: 14px;
}

/* ============================================
   Credentials Table
   ============================================ */

.credentials-table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 14px;
}

.credentials-table th,
.credentials-table td {
    padding: 10px 16px;
    border: 1px solid var(--border);
    text-align: left;
}

.credentials-table th {
    background: var(--bg);
    font-weight: 700;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.credentials-table td code {
    background: none;
    border: none;
    padding: 0;
    color: var(--primary);
    font-weight: 600;
}

/* ============================================
   Navigation Links (bottom of page)
   ============================================ */

.page-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 64px;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}

.page-nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.15s;
}

.page-nav-link:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.page-nav-link.next {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.page-nav-link.next:hover {
    background: var(--primary-dark);
}

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

@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
    
    .page-wrapper {
        flex-direction: column;
    }
    
    .main-content {
        margin-left: 0;
        padding: 24px 16px;
    }
    
    h1 {
        font-size: 28px;
    }
}