/* 接口巴士 PHP 版 —— 设计系统（替代原 Tailwind，纯 CSS 变量，支持暗色） */

/* 自托管字体：Geist（Vercel 字体，原 apibus.cn 同款），可变字体单文件覆盖全字重 */
@font-face {
  font-family: "Geist";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/assets/fonts/geist-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Geist";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/assets/fonts/geist-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  --bg: #ffffff;
  --bg-soft: #f9fafb;
  --bg-elev: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --faint: #9ca3af;
  --border: #e5e7eb;
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-soft: #eef2ff;
  --amber: #f59e0b;
  --amber-soft: #fffbeb;
  --green: #16a34a;
  --green-soft: #f0fdf4;
  --red: #dc2626;
  --red-soft: #fef2f2;
  --gray-soft: #f3f4f6;
  --ring: rgba(79, 70, 229, 0.18);
  --shadow: 0 1px 2px rgba(0,0,0,.05), 0 4px 12px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 30px rgba(0,0,0,.12);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0f1a;
    --bg-soft: #0f1422;
    --bg-elev: #111827;
    --text: #f3f4f6;
    --muted: #9ca3af;
    --faint: #6b7280;
    --border: #1f2937;
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-soft: #1e1b4b;
    --amber: #fbbf24;
    --amber-soft: #3a2f0b;
    --green: #4ade80;
    --green-soft: #0c2a17;
    --red: #f87171;
    --red-soft: #2a1414;
    --gray-soft: #1f2937;
    --ring: rgba(99,102,241,.35);
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 4px 12px rgba(0,0,0,.35);
    --shadow-lg: 0 10px 30px rgba(0,0,0,.5);
  }
  /* 黑色 logo 在深色导航栏上反相为白色，保证可见 */
  .brand-logo { filter: invert(1); }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
input, textarea, select, button { font-family: inherit; }

.container { max-width: 72rem; margin: 0 auto; padding: 0 1rem; }
main { flex: 1; }

/* ---------- 导航 ---------- */
.navbar {
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(180%) blur(8px);
}
.navbar-inner { display: flex; align-items: center; justify-content: space-between; height: 3.5rem; }
.brand { display: flex; align-items: center; gap: .5rem; font-weight: 600; font-size: 1.05rem; }
.brand-logo { height: 26px; width: 26px; display: block; }
.nav-links { display: flex; align-items: center; gap: 1rem; font-size: .9rem; }
.nav-links a:hover { color: var(--primary); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .4rem; justify-content: center;
  border-radius: .5rem; padding: .55rem 1rem; font-size: .9rem; font-weight: 500;
  border: 1px solid transparent; cursor: pointer; transition: .15s; white-space: nowrap;
}
.btn:disabled { opacity: .6; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary { border-color: var(--border); color: var(--text); background: var(--bg-elev); }
.btn-secondary:hover { background: var(--gray-soft); }
.btn-danger { background: var(--red); color: #fff; }
.btn-danger:hover { filter: brightness(.94); }
.btn-ghost { border-color: var(--border); color: var(--text); }
.btn-ghost:hover { background: var(--gray-soft); }
.btn-amber { background: #f59e0b; color: #fff; }
.btn-amber:hover { background: #d97706; }
.btn-gray { background: #9ca3af; color: #fff; }
.btn-gray:hover { background: #6b7280; }
.btn-sm { padding: .4rem .7rem; font-size: .82rem; }
/* 导航栏“发布作品”独立样式：不依赖 .btn-primary，悬停文字固定为 #fff，不影响其他按钮 */
.btn-publish { background: var(--primary); color: #fff; }
a.btn-publish:hover { background: var(--primary-hover); color: #fff; }
.btn-green { background: var(--green); color: #fff; }
.btn-green:hover { filter: brightness(.94); }

/* ---------- 表单 ---------- */
.field { display: flex; flex-direction: column; gap: .4rem; font-size: .9rem; font-weight: 500; }
.input, .textarea, .select {
  width: 100%; border-radius: .5rem; border: 1px solid var(--border);
  background: var(--bg-elev); color: var(--text); padding: .55rem .75rem; font-size: .9rem; outline: none;
  transition: .15s;
}
.input:focus, .textarea:focus, .select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--ring); }
.textarea { resize: vertical; }

/* ---------- 徽章 / 标签 ---------- */
.badge { display: inline-block; padding: .1rem .5rem; border-radius: 999px; font-size: .72rem; font-weight: 500; }
.badge-indigo { background: var(--primary-soft); color: var(--primary); }
.badge-amber { background: var(--amber-soft); color: var(--amber); }
.badge-green { background: var(--green-soft); color: var(--green); }
.badge-red { background: var(--red-soft); color: var(--red); }
.badge-gray { background: var(--gray-soft); color: var(--muted); }
.pill { display: inline-block; padding: .15rem .6rem; border-radius: 999px; background: var(--gray-soft); color: var(--muted); font-size: .75rem; }
.tag { display: inline-block; padding: .15rem .55rem; border-radius: 999px; background: var(--gray-soft); color: var(--muted); font-size: .72rem; }

/* ---------- 作品卡片网格 ---------- */
.grid { display: grid; gap: 1.25rem; grid-template-columns: repeat(1, 1fr); }
@media (min-width: 640px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid.cols-3 { grid-template-columns: repeat(3, 1fr); } .grid.cols-4 { grid-template-columns: repeat(4, 1fr); } }

.card {
  display: flex; flex-direction: column; overflow: hidden; border-radius: .85rem;
  border: 1px solid var(--border); background: var(--bg-elev); transition: .2s;
}
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.card-cover { display: block; aspect-ratio: 16/9; overflow: hidden; background: var(--gray-soft); }
.card-cover img { width: 100%; height: 100%; object-fit: cover; transition: .3s; }
.card:hover .card-cover img { transform: scale(1.05); }
.card-cover-placeholder { display: flex; align-items: center; justify-content: center; height: 100%; font-size: 2.4rem; font-weight: 700; color: var(--faint); }
.card-body { display: flex; flex-direction: column; gap: .5rem; padding: 1rem; flex: 1; }
.card-title { font-weight: 600; color: var(--text); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-title:hover { color: var(--primary); }
.card-summary { font-size: .8rem; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-meta { margin-top: auto; display: flex; align-items: center; justify-content: space-between; font-size: .75rem; color: var(--muted); }

/* ---------- 区块 ---------- */
.section { margin-top: 3rem; }
.section h2 { font-size: 1.25rem; font-weight: 600; margin: 0 0 1rem; }
.hero { border-radius: 1rem; background: linear-gradient(135deg, var(--primary-soft), var(--bg)); padding: 2rem; text-align: center; }
.hero h1 { font-size: 1.9rem; font-weight: 700; margin: 0; }
.hero p { max-width: 36rem; margin: 1rem auto 0; color: var(--muted); }
.hero-actions { margin-top: 1.5rem; display: flex; gap: .75rem; justify-content: center; }

/* ---------- 筛选条 ---------- */
.toolbar { margin-bottom: 1rem; display: flex; flex-direction: column; gap: .75rem; }
.search-input { width: 100%; border-radius: .6rem; border: 1px solid var(--border); background: var(--bg-elev); color: var(--text); padding: .65rem 1rem; font-size: .9rem; outline: none; }
.search-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--ring); }
.chips { display: flex; flex-wrap: wrap; gap: .5rem; }
.chip { border-radius: 999px; padding: .4rem .8rem; font-size: .85rem; border: 1px solid transparent; background: var(--gray-soft); color: var(--muted); cursor: pointer; transition: .15s; }
.chip:hover { background: var(--border); }
.chip.active { background: var(--primary); color: #fff; }
.count-note { font-size: .75rem; color: var(--muted); margin-bottom: .75rem; }

/* ---------- 详情页 ---------- */
.detail-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 1024px) { .detail-grid { grid-template-columns: 2fr 1fr; } }
.cover-frame { aspect-ratio: 16/9; overflow: hidden; border-radius: .75rem; border: 1px solid var(--border); background: var(--gray-soft); }
.cover-frame img { width: 100%; height: 100%; object-fit: cover; }
.detail-side { display: flex; flex-direction: column; gap: 1rem; }
.panel { border: 1px solid var(--border); border-radius: .85rem; padding: 1rem; background: var(--bg-elev); }
.avatar { width: 4rem; height: 4rem; border-radius: 999px; background: var(--primary-soft); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; font-weight: 700; }

/* ---------- 后台列表 ---------- */
.list-row { display: flex; flex-direction: column; gap: .5rem; border: 1px solid var(--border); border-radius: .65rem; padding: .75rem; background: var(--bg-elev); }
@media (min-width: 640px) { .list-row { flex-direction: row; align-items: center; justify-content: space-between; } }
.list-actions { display: flex; flex-wrap: wrap; gap: .5rem; flex-shrink: 0; }
.tabs { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.5rem; }
.back-link { font-size: .85rem; color: var(--muted); }
.back-link:hover { color: var(--text); }

/* ---------- 弹窗 ---------- */
.modal-backdrop { position: fixed; inset: 0; z-index: 60; background: rgba(0,0,0,.45); display: flex; align-items: center; justify-content: center; padding: 1rem; }
.modal { background: var(--bg-elev); border-radius: .9rem; width: 100%; max-width: 32rem; max-height: 90vh; overflow: auto; padding: 1.25rem; box-shadow: var(--shadow-lg); }

/* ---------- 提示 ---------- */
.alert { border-radius: .6rem; padding: .75rem 1rem; font-size: .85rem; margin-top: .75rem; }
.alert-ok { background: var(--green-soft); color: var(--green); }
.alert-err { background: var(--red-soft); color: var(--red); }

/* ---------- 页脚 ---------- */
.footer { margin-top: 4rem; border-top: 1px solid var(--border); background: var(--bg-soft); }
.footer-inner { max-width: 72rem; margin: 0 auto; padding: 2.5rem 1rem; font-size: .85rem; color: var(--muted); }
.footer-grid { display: flex; flex-direction: column; gap: 1rem; justify-content: space-between; }
@media (min-width: 640px) { .footer-grid { flex-direction: row; align-items: flex-start; } }
.footer a:hover { color: var(--text); }

/* ---------- 分页 ---------- */
.pager { margin-top: 1.5rem; display: flex; align-items: center; justify-content: center; gap: .75rem; }
.pager-note { font-size: .8rem; color: var(--muted); }

/* ---------- 杂项 ---------- */
.muted { color: var(--muted); }
.flex { display: flex; } .gap-2 { gap: .5rem; } .gap-3 { gap: .75rem; } .items-center { align-items: center; }
.mt-1 { margin-top: .25rem; } .mt-2 { margin-top: .5rem; } .mt-3 { margin-top: .75rem; } .mt-4 { margin-top: 1rem; } .mt-6 { margin-top: 1.5rem; } .mt-8 { margin-top: 2rem; }
.mb-2 { margin-bottom: .5rem; } .mb-4 { margin-bottom: 1rem; }
.line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.whitespace-pre { white-space: pre-wrap; word-break: break-word; }