/* public/css/site.css
 * 目标：复刻参考 UI 的黑白灰 sketch 风格：
 * - 点阵背景
 * - 粗黑边框 + 直角卡片
 * - 阴影“压印感”
 * - 大衬线标题（Lora）
 */

:root {
    --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
    --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    --font-serif: "Lora", Georgia, "Times New Roman", serif;
}

html,
body {
    height: 100%;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    color: #111;
    background: #fff;

    /* 点阵背景：参考 UI 同款感觉 */
    background-image: radial-gradient(#e5e7eb 1px, transparent 1px);
    background-size: 24px 24px;
}

/* 标题统一用衬线 */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-serif);
}

/* ===== sketch 按钮：粗边框 + 阴影 ===== */
.btn-sketch {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    border: 2px solid #000;
    background: #fff;
    color: #000;
    padding: 10px 14px;
    cursor: pointer;
    transition: all .2s ease;
    box-shadow: 4px 4px 0px 0px rgba(0, 0, 0, 1);
}

.btn-sketch:hover {
    background: #000;
    color: #fff;
    box-shadow: 2px 2px 0px 0px rgba(0, 0, 0, 1);
}

.btn-sketch:active {
    transform: translateY(2px);
    box-shadow: none;
}

.btn-sketch[disabled] {
    opacity: .5;
    cursor: not-allowed;
    box-shadow: none;
}

/* 黑底主按钮（LOGIN 这种） */
.btn-sketch-primary {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 700;
    border: 2px solid #000;
    background: #000;
    color: #fff;
    padding: 10px 14px;
    cursor: pointer;
    transition: all .2s ease;
    box-shadow: 4px 4px 0px 0px rgba(0, 0, 0, .3);
}

.btn-sketch-primary:hover {
    background: #222;
    box-shadow: 2px 2px 0px 0px rgba(0, 0, 0, .3);
}

.btn-sketch-primary:active {
    transform: translateY(2px);
    box-shadow: none;
}

/* ===== 翻转卡片辅助类（给详情页用） ===== */
.perspective-1000 {
    perspective: 1000px;
}

.transform-style-3d {
    transform-style: preserve-3d;
}

.backface-hidden {
    backface-visibility: hidden;
}

.rotate-y-180 {
    transform: rotateY(180deg);
}

/* 自定义滚动条（细灰） */
.custom-scrollbar::-webkit-scrollbar {
    width: 8px;
}

.custom-scrollbar::-webkit-scrollbar-track {
    background: transparent;
}

.custom-scrollbar::-webkit-scrollbar-thumb {
    background: #e5e5e5;
    border-radius: 4px;
}

.custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: #a3a3a3;
}