* { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  margin: 0;
  color: #1f2328;
  background: #f6f8fa;
  line-height: 1.5;
}

a { color: #0969da; text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  background: #24292f;
  color: #fff;
}

.topbar .brand { color: #fff; font-weight: 600; font-size: 1.05rem; }
.topbar nav { margin-left: auto; display: flex; align-items: center; gap: 1rem; }
.topbar nav a { color: #d0d7de; }
.topbar nav a:hover { color: #fff; }
.topbar .user { color: #9da7b0; font-size: 0.9rem; }

.container {
  max-width: 900px;
  margin: 1.5rem auto;
  padding: 0 1.25rem;
}

h1 { margin: 0 0 0.75rem 0; font-size: 1.6rem; }
h2 { margin: 1.5rem 0 0.75rem 0; font-size: 1.15rem; }
.muted { color: #656d76; }

.pagehead {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}

.card {
  background: #fff;
  border: 1px solid #d0d7de;
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.row { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.stacked { display: flex; flex-direction: column; gap: 0.75rem; }
.stacked label { display: flex; flex-direction: column; gap: 0.25rem; font-size: 0.9rem; color: #424a53; }
.inline { display: inline; }

input[type=text], input[type=email], input[type=password], input[type=number], textarea {
  font: inherit;
  padding: 0.45rem 0.6rem;
  border: 1px solid #d0d7de;
  border-radius: 6px;
  background: #fff;
  width: 100%;
}
textarea { resize: vertical; }

button, .linkbtn {
  font: inherit;
  padding: 0.4rem 0.85rem;
  border: 1px solid #d0d7de;
  border-radius: 6px;
  background: #f6f8fa;
  cursor: pointer;
}
button:hover { background: #eaeef2; }
button.primary { background: #2da44e; color: #fff; border-color: #2da44e; }
button.primary:hover { background: #2c974b; }
button.danger { color: #cf222e; border-color: #d0d7de; }
button.danger:hover { background: #ffebe9; }
.linkbtn { background: transparent; border: none; color: #d0d7de; padding: 0; }
.linkbtn:hover { background: transparent; color: #fff; text-decoration: underline; }

.flash { list-style: none; padding: 0; margin: 0 0 1rem 0; }
.flash li { padding: 0.5rem 0.75rem; border-radius: 6px; margin-bottom: 0.5rem; }
.flash-error { background: #ffebe9; border: 1px solid #ff8182; }
.flash-ok { background: #dafbe1; border: 1px solid #2da44e; }

.project-list { list-style: none; padding: 0; margin: 0; }
.project-list .project { display: flex; flex-direction: column; gap: 0.25rem; }
.project-list .project .title { font-weight: 600; font-size: 1.05rem; }
.project-list .project .meta {
  display: flex;
  gap: 1rem;
  color: #656d76;
  font-size: 0.9rem;
  flex-wrap: wrap;
}
.project-list .project.done .title { text-decoration: line-through; color: #656d76; }

.badge {
  display: inline-block;
  font-size: 0.75rem;
  padding: 0.1rem 0.5rem;
  border-radius: 20px;
  background: #ddf4ff;
  color: #0969da;
  border: 1px solid #54aeff;
}

.tasks {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid #d0d7de;
  border-radius: 8px;
  overflow: hidden;
}
.tasks th, .tasks td {
  text-align: left;
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid #eaeef2;
  vertical-align: top;
}
.tasks th { background: #f6f8fa; font-size: 0.85rem; color: #424a53; }
.tasks tr:last-child td { border-bottom: none; }
.tasks tr.done .title { text-decoration: line-through; color: #656d76; }
.tasks .desc { color: #656d76; font-size: 0.9rem; margin-top: 0.15rem; white-space: pre-wrap; }
.tasks .actions { text-align: right; white-space: nowrap; }
.tasks .actions form { margin-left: 0.25rem; }

.toggle { font-size: 0.9rem; }