:root {
  --bg: #0b1120;
  --bg-card: #111a2e;
  --border: #1e2a44;
  --text: #e6edf7;
  --muted: #8b9cb8;
  --accent: #5eb0ef;
  --accent-2: #7ee0c3;
  --danger: #f28b82;
  --radius: 14px;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  min-height: 100vh;
  line-height: 1.55;
  background-image: radial-gradient(1200px 600px at 80% -10%, #14233f 0%, transparent 60%);
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 2.5rem 1.5rem 3rem; }

.top { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; flex-wrap: wrap; }
.top h1 { font-size: 1.7rem; letter-spacing: -0.01em; }
.sub { color: var(--muted); font-size: 0.9rem; }
.top-right { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }

.status-row { display: flex; gap: 0.9rem; }
.dot-item { color: var(--muted); font-size: 0.85rem; text-decoration: none; display: inline-flex; align-items: center; gap: 0.35rem; }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.dot.up { background: var(--accent-2); box-shadow: 0 0 6px var(--accent-2); }
.dot.down { background: var(--danger); box-shadow: 0 0 6px var(--danger); }

section { margin-top: 2.4rem; }
section h2 { font-size: 1.1rem; font-weight: 600; margin-bottom: 0.9rem; }
.section-head { display: flex; align-items: baseline; gap: 0.8rem; margin-bottom: 0.9rem; }
.section-head h2 { margin-bottom: 0; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 0.9rem; }
.card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.1rem 1.2rem; text-decoration: none; color: var(--text);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card h3 { font-size: 1rem; font-weight: 600; }
.card p { color: var(--muted); font-size: 0.85rem; margin-top: 0.2rem; }

.deadlines { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 0.6rem 1rem; }
.dl { display: flex; align-items: baseline; gap: 0.9rem; padding: 0.55rem 0.2rem; border-bottom: 1px solid var(--border); font-size: 0.95rem; }
.dl:last-child { border-bottom: none; }
.dl .date { color: var(--accent); min-width: 7.5em; font-variant-numeric: tabular-nums; }
.dl.overdue .date { color: var(--danger); font-weight: 600; }
.dl .src { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); border: 1px solid var(--border); border-radius: 999px; padding: 0.05rem 0.55rem; }
.dl .title a { color: var(--text); }
.deadlines .sub { padding: 0.6rem 0.2rem; display: block; }

button {
  background: var(--accent); color: #0b1120; border: none; border-radius: 8px;
  padding: 0.55rem 1.1rem; font-size: 0.95rem; font-weight: 600; cursor: pointer;
}
button:hover { filter: brightness(1.1); }
button.ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); font-weight: 500; }
button.ghost:hover { color: var(--text); border-color: var(--muted); filter: none; }

.login-box {
  max-width: 340px; margin: 22vh auto 0; background: var(--bg-card);
  border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem; text-align: center;
}
.login-box h1 { font-size: 1.5rem; }
.login-box .sub { margin-bottom: 1.4rem; }
.login-box form { display: flex; flex-direction: column; gap: 0.8rem; }
.login-box input {
  background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
  padding: 0.6rem 0.9rem; color: var(--text); font-size: 1rem;
}
.login-box input:focus { outline: none; border-color: var(--accent); }
.error { color: var(--danger); font-size: 0.9rem; margin-top: 0.9rem; min-height: 1.2em; }