blob: 4666c907f3b54e3d80d6e0dceece381053ebd449 [file]
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=JetBrains+Mono:wght@400;500&display=swap');
:root {
--bg: #fafbfc;
--bg-secondary: #f0f3f7;
--bg-code: #1b2030;
--bg-code-inline: #edf0f5;
--text: #1a1e2e;
--text-secondary: #5a6278;
--border: #e2e6ef;
--border-subtle: #edf0f5;
--accent: #3d5afe;
--accent-dim: #5c7cff;
--accent-light: #eef1ff;
--accent-glow: rgba(61, 90, 254, 0.08);
--sidebar-bg: #ffffff;
--sidebar-active: #3d5afe;
--link: #3d5afe;
--table-stripe: #f6f8fb;
--table-hover: #eef1ff;
--code-keyword: #ff6b8a;
--code-string: #7dd3a8;
--code-comment: #636d83;
--code-fn: #c792ea;
--code-type: #ffcb6b;
--code-num: #f78c6c;
--shadow-sm: 0 1px 3px rgba(26, 30, 46, 0.04), 0 1px 2px rgba(26, 30, 46, 0.02);
--shadow-md: 0 4px 12px rgba(26, 30, 46, 0.06), 0 2px 4px rgba(26, 30, 46, 0.03);
--shadow-lg: 0 12px 32px rgba(26, 30, 46, 0.08), 0 4px 8px rgba(26, 30, 46, 0.04);
--radius: 10px;
--radius-lg: 14px;
--transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
[data-theme="dark"] {
--bg: #0f1219;
--bg-secondary: #171c28;
--bg-code: #0d1017;
--bg-code-inline: #1e2433;
--text: #e4e8f1;
--text-secondary: #8892a8;
--border: #252d3d;
--border-subtle: #1e2433;
--accent: #7b93ff;
--accent-dim: #5c7cff;
--accent-light: #1a2044;
--accent-glow: rgba(123, 147, 255, 0.06);
--sidebar-bg: #131720;
--sidebar-active: #7b93ff;
--link: #7b93ff;
--table-stripe: #151a24;
--table-hover: #1a2044;
--code-keyword: #ff7eb3;
--code-string: #a3e8c8;
--code-comment: #5c6680;
--code-fn: #dbb4f3;
--code-type: #ffd580;
--code-num: #ffab91;
--shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
--shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
--shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.4);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html {
scroll-behavior: smooth;
font-size: 16px;
}
body {
font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
background: var(--bg);
color: var(--text);
line-height: 1.7;
display: flex;
min-height: 100vh;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}
/* Sidebar */
.sidebar {
width: 272px;
min-height: 100vh;
background: var(--sidebar-bg);
border-right: 1px solid var(--border);
padding: 2rem 0;
position: fixed;
top: 0;
left: 0;
overflow-y: auto;
z-index: 100;
transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
box-shadow: 1px 0 0 var(--border-subtle);
}
.sidebar-header {
padding: 0 1.5rem 1.75rem;
border-bottom: 1px solid var(--border);
margin-bottom: 1.25rem;
}
.sidebar-header h2 {
font-size: 1.2rem;
font-weight: 700;
color: var(--accent);
letter-spacing: -0.03em;
display: flex;
align-items: center;
gap: 0.5rem;
}
.sidebar-header h2::before {
content: '';
display: inline-block;
width: 8px;
height: 8px;
background: var(--accent);
border-radius: 2px;
transform: rotate(45deg);
}
.sidebar-header p {
font-size: 0.75rem;
color: var(--text-secondary);
margin-top: 0.35rem;
letter-spacing: 0.02em;
text-transform: uppercase;
font-weight: 500;
}
.sidebar nav ul {
list-style: none;
padding: 0 0.75rem;
}
.sidebar nav li {
margin-bottom: 2px;
}
.sidebar nav li a {
display: block;
padding: 0.55rem 0.85rem;
color: var(--text-secondary);
text-decoration: none;
font-size: 0.85rem;
font-weight: 450;
border-radius: 8px;
transition: all var(--transition);
position: relative;
}
.sidebar nav li a:hover {
background: var(--accent-glow);
color: var(--accent);
transform: translateX(2px);
}
.sidebar nav li a.active {
background: var(--accent-light);
color: var(--sidebar-active);
font-weight: 600;
box-shadow: inset 3px 0 0 var(--accent);
}
.sidebar-footer {
padding: 1.25rem 1.5rem;
border-top: 1px solid var(--border);
margin-top: 1.5rem;
}
.theme-toggle {
background: var(--bg-secondary);
border: 1px solid var(--border);
border-radius: 8px;
padding: 0.5rem 0.85rem;
color: var(--text-secondary);
cursor: pointer;
font-size: 0.78rem;
font-weight: 500;
font-family: inherit;
width: 100%;
transition: all var(--transition);
letter-spacing: 0.01em;
}
.theme-toggle:hover {
border-color: var(--accent);
color: var(--accent);
box-shadow: 0 0 0 3px var(--accent-glow);
}
/* Main content */
.main {
margin-left: 272px;
flex: 1;
min-width: 0;
}
.content {
max-width: 820px;
margin: 0 auto;
padding: 3rem 3.5rem;
}
/* Mobile hamburger */
.menu-toggle {
display: none;
position: fixed;
top: 1rem;
left: 1rem;
z-index: 200;
background: var(--bg);
border: 1px solid var(--border);
border-radius: 8px;
padding: 0.55rem 0.65rem;
cursor: pointer;
font-size: 1.2rem;
color: var(--text);
line-height: 1;
box-shadow: var(--shadow-sm);
transition: all var(--transition);
}
.menu-toggle:hover {
box-shadow: var(--shadow-md);
}
.overlay {
display: none;
position: fixed;
inset: 0;
background: rgba(15, 18, 25, 0.6);
backdrop-filter: blur(4px);
z-index: 50;
}
/* Typography */
h1 {
font-size: 2.25rem;
font-weight: 700;
letter-spacing: -0.04em;
margin-bottom: 0.5rem;
line-height: 1.15;
background: linear-gradient(135deg, var(--text) 0%, var(--text-secondary) 100%);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
}
h2 {
font-size: 1.45rem;
font-weight: 650;
letter-spacing: -0.025em;
margin-top: 3rem;
margin-bottom: 0.85rem;
padding-bottom: 0.6rem;
border-bottom: 2px solid var(--border-subtle);
position: relative;
}
h2::after {
content: '';
position: absolute;
bottom: -2px;
left: 0;
width: 40px;
height: 2px;
background: var(--accent);
border-radius: 1px;
}
h3 {
font-size: 1.15rem;
font-weight: 600;
margin-top: 2.25rem;
margin-bottom: 0.6rem;
letter-spacing: -0.015em;
}
h4 {
font-size: 0.95rem;
font-weight: 600;
margin-top: 1.75rem;
margin-bottom: 0.5rem;
color: var(--text-secondary);
text-transform: uppercase;
letter-spacing: 0.03em;
}
h5 {
font-size: 0.88rem;
font-weight: 600;
margin-top: 1.25rem;
margin-bottom: 0.4rem;
}
p {
margin-bottom: 1rem;
}
.subtitle {
font-size: 1.1rem;
color: var(--text-secondary);
margin-bottom: 2rem;
font-weight: 400;
line-height: 1.6;
}
a {
color: var(--link);
text-decoration: none;
transition: color var(--transition);
}
a:hover {
text-decoration: underline;
text-underline-offset: 3px;
}
ul, ol {
margin-bottom: 1rem;
padding-left: 1.5rem;
}
li {
margin-bottom: 0.35rem;
}
/* Code */
code {
font-family: 'JetBrains Mono', 'SF Mono', 'Cascadia Code', monospace;
font-size: 0.82em;
background: var(--bg-code-inline);
padding: 0.2em 0.45em;
border-radius: 5px;
font-weight: 450;
}
pre {
background: var(--bg-code);
border: 1px solid var(--border);
border-radius: var(--radius-lg);
padding: 1.25rem 1.5rem;
overflow-x: auto;
margin-bottom: 1.5rem;
line-height: 1.6;
box-shadow: var(--shadow-md);
position: relative;
}
pre::before {
content: '';
position: absolute;
top: 0;
left: 0;
right: 0;
height: 3px;
background: linear-gradient(90deg, var(--accent) 0%, var(--accent-dim) 50%, transparent 100%);
border-radius: var(--radius-lg) var(--radius-lg) 0 0;
opacity: 0.6;
}
pre code {
background: none;
padding: 0;
font-size: 0.8rem;
color: #c8d3e6;
font-weight: 400;
}
/* Syntax highlighting */
.kw { color: var(--code-keyword); font-weight: 500; }
.str { color: var(--code-string); }
.cmt { color: var(--code-comment); font-style: italic; }
.fn { color: var(--code-fn); }
.ty { color: var(--code-type); }
.num { color: var(--code-num); }
/* Tables */
table {
width: 100%;
border-collapse: separate;
border-spacing: 0;
margin-bottom: 1.75rem;
font-size: 0.85rem;
border-radius: var(--radius);
overflow: hidden;
border: 1px solid var(--border);
box-shadow: var(--shadow-sm);
}
th, td {
padding: 0.7rem 0.9rem;
text-align: left;
border-bottom: 1px solid var(--border);
}
th {
background: var(--bg-secondary);
font-weight: 600;
font-size: 0.8rem;
text-transform: uppercase;
letter-spacing: 0.04em;
color: var(--text-secondary);
}
td {
border-right: 1px solid var(--border-subtle);
}
td:last-child {
border-right: none;
}
tr:last-child td {
border-bottom: none;
}
tr:nth-child(even) {
background: var(--table-stripe);
}
tbody tr {
transition: background var(--transition);
}
tbody tr:hover {
background: var(--table-hover);
}
/* Feature cards */
.features {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
gap: 1rem;
margin: 1.75rem 0;
}
.feature {
padding: 1.4rem;
background: var(--bg-secondary);
border: 1px solid var(--border);
border-radius: var(--radius-lg);
transition: all var(--transition);
position: relative;
overflow: hidden;
}
.feature::before {
content: '';
position: absolute;
top: 0;
left: 0;
right: 0;
height: 3px;
background: linear-gradient(90deg, var(--accent), var(--accent-dim));
opacity: 0;
transition: opacity var(--transition);
}
.feature:hover {
border-color: var(--accent-dim);
box-shadow: var(--shadow-md);
transform: translateY(-2px);
}
.feature:hover::before {
opacity: 1;
}
.feature h3 {
margin-top: 0;
font-size: 0.95rem;
margin-bottom: 0.4rem;
letter-spacing: -0.01em;
}
.feature p {
font-size: 0.84rem;
color: var(--text-secondary);
margin-bottom: 0;
line-height: 1.55;
}
/* Language badges */
.badges {
display: flex;
gap: 0.5rem;
flex-wrap: wrap;
margin-bottom: 1.75rem;
}
.badge {
display: inline-flex;
align-items: center;
padding: 0.3rem 0.85rem;
font-size: 0.75rem;
font-weight: 600;
border-radius: 999px;
border: 1.5px solid var(--border);
color: var(--text-secondary);
letter-spacing: 0.02em;
transition: all var(--transition);
}
.badge:hover {
transform: translateY(-1px);
box-shadow: var(--shadow-sm);
}
.badge.rust { border-color: #dea584; color: #dea584; background: rgba(222, 165, 132, 0.06); }
.badge.java { border-color: #e8912d; color: #e8912d; background: rgba(232, 145, 45, 0.06); }
.badge.python { border-color: #4b8bbe; color: #4b8bbe; background: rgba(75, 139, 190, 0.06); }
.badge.cpp { border-color: #659bd3; color: #659bd3; background: rgba(101, 155, 211, 0.06); }
/* Admonitions */
.note, .warning, .tip {
padding: 1.1rem 1.4rem;
border-radius: var(--radius);
margin-bottom: 1.5rem;
border-left: 4px solid;
font-size: 0.88rem;
box-shadow: var(--shadow-sm);
line-height: 1.6;
}
.note {
background: #eef4ff;
border-color: #4d8eff;
}
.warning {
background: #fef9ec;
border-color: #e5a100;
}
.tip {
background: #eefbf3;
border-color: #1ea657;
}
[data-theme="dark"] .note { background: #141e35; border-color: #4d8eff; }
[data-theme="dark"] .warning { background: #221a08; border-color: #e5a100; }
[data-theme="dark"] .tip { background: #0b1f14; border-color: #1ea657; }
.note strong, .warning strong, .tip strong {
display: block;
margin-bottom: 0.3rem;
font-weight: 600;
font-size: 0.82rem;
text-transform: uppercase;
letter-spacing: 0.04em;
}
.note strong { color: #4d8eff; }
.warning strong { color: #c08b00; }
.tip strong { color: #1ea657; }
[data-theme="dark"] .warning strong { color: #e5a100; }
/* ASCII diagram */
.diagram {
background: var(--bg-code);
border: 1px solid var(--border);
border-radius: var(--radius-lg);
padding: 1.5rem 1.75rem;
overflow-x: auto;
margin-bottom: 1.5rem;
font-family: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
font-size: 0.8rem;
line-height: 1.6;
white-space: pre;
box-shadow: var(--shadow-md);
}
/* SVG architecture diagrams */
.arch-svg {
width: 100%;
height: auto;
display: block;
margin-bottom: 1.5rem;
border-radius: var(--radius);
background: var(--bg-secondary);
border: 1px solid var(--border);
padding: 1rem;
}
/* Scrollbar styling */
::-webkit-scrollbar {
width: 6px;
height: 6px;
}
::-webkit-scrollbar-track {
background: transparent;
}
::-webkit-scrollbar-thumb {
background: var(--border);
border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
background: var(--text-secondary);
}
/* Selection */
::selection {
background: var(--accent-light);
color: var(--accent);
}
/* Responsive */
@media (max-width: 768px) {
.sidebar {
transform: translateX(-100%);
}
.sidebar.open {
transform: translateX(0);
box-shadow: var(--shadow-lg);
}
.overlay.open {
display: block;
}
.menu-toggle {
display: block;
}
.main {
margin-left: 0;
}
.content {
padding: 1.5rem;
padding-top: 4.5rem;
}
.features {
grid-template-columns: 1fr;
}
h1 {
font-size: 1.75rem;
}
}
/* Print */
@media print {
.sidebar, .menu-toggle, .overlay, .theme-toggle {
display: none !important;
}
.main {
margin-left: 0;
}
pre {
box-shadow: none;
border: 1px solid #ccc;
}
}