@import url("https://fonts.googleapis.com/css2?family=Source+Sans+3:wght@400;500;600;700&family=Syne:wght@600;700;800&display=swap");

:root {
  --bg0: #f3f6f9;
  --bg1: #e8eef4;
  --ink: #101820;
  --muted: #5b6b7a;
  --card: #ffffff;
  --surface: rgba(255, 255, 255, 0.78);
  --line: rgba(16, 24, 32, 0.1);
  --line-strong: rgba(16, 24, 32, 0.16);
  --accent: #1c6b7a;
  --accent-dark: #155460;
  --accent-soft: rgba(28, 107, 122, 0.1);
  --cta: #101820;
  --cta-text: #f7fafc;
  --danger: #b42318;
  --radius: 14px;
  --radius-sm: 10px;
  --font: "Source Sans 3", "Segoe UI", sans-serif;
  --display: "Syne", "Source Sans 3", sans-serif;
  --shadow-sm: 0 2px 24px rgba(16, 24, 32, 0.04);
  --page-bg:
    radial-gradient(1200px 600px at 10% -10%, rgba(28, 107, 122, 0.12), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(16, 24, 32, 0.06), transparent 50%),
    linear-gradient(180deg, var(--bg0) 0%, var(--bg1) 100%);
  --gradient-brand: linear-gradient(135deg, #1c6b7a 0%, #155460 100%);
  --gradient-cta: linear-gradient(135deg, #101820 0%, #1c6b7a 100%);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font);
  background: var(--page-bg);
}

a { color: var(--accent-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { width: min(1120px, calc(100% - 2rem)); margin: 0 auto; }

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem 0;
  margin-bottom: 1.25rem;
}

.brand {
  font-family: var(--display);
  font-size: clamp(1.45rem, 2.6vw, 1.85rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--ink);
  line-height: 1;
}
.brand span {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav {
  display: flex;
  gap: 0.25rem 0.95rem;
  flex-wrap: wrap;
  align-items: center;
}
.nav a,
.nav button.linkish {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 600;
  background: none;
  border: 0;
  cursor: pointer;
  font-family: inherit;
  padding: 0.25rem 0;
}
.nav a.active,
.nav a:hover,
.nav button.linkish:hover {
  color: var(--ink);
  text-decoration: none;
}
.nav a.active {
  box-shadow: inset 0 -2px 0 var(--accent);
}

.hero,
.card,
.login-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.hero {
  padding: 1.45rem 1.5rem;
  margin: 0 0 1.25rem;
  background:
    radial-gradient(700px 240px at 0% 0%, rgba(28, 107, 122, 0.14), transparent 60%),
    var(--card);
}
.hero h1 {
  margin: 0 0 0.4rem;
  font-family: var(--display);
  font-size: clamp(1.55rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}
.hero p {
  margin: 0;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.5;
  max-width: 42rem;
}

.grid { display: grid; gap: 0.95rem; }
.grid.two { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

.stat { padding: 1.1rem 1.2rem; }
.stat strong {
  display: block;
  font-family: var(--display);
  font-size: 2rem;
  font-weight: 800;
  margin-top: 0.2rem;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.board {
  display: grid;
  grid-template-columns: repeat(4, minmax(200px, 1fr));
  gap: 0.8rem;
  overflow-x: auto;
  padding-bottom: 1rem;
}

.column {
  background: var(--surface);
  backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.75rem;
  min-height: 220px;
}
.column h2 {
  margin: 0 0 0.7rem;
  font-family: var(--display);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.task {
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 0.8rem;
  margin-bottom: 0.55rem;
}
.task h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  font-weight: 650;
  line-height: 1.35;
}

.meta { color: var(--muted); font-size: 0.86rem; line-height: 1.45; }

.badge {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent-dark);
  border-radius: 8px;
  padding: 0.15rem 0.45rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin-bottom: 0.4rem;
  text-transform: uppercase;
}

.row-actions {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  margin-top: 0.55rem;
}

select, input, textarea, button.primary, button.ghost {
  font-family: inherit;
}

input, select, textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.75rem;
  background: #fff;
  color: var(--ink);
  font-size: 0.98rem;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid rgba(28, 107, 122, 0.25);
  border-color: var(--accent);
}
textarea { min-height: 90px; resize: vertical; }

label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--muted);
  margin: 0.7rem 0 0.3rem;
  letter-spacing: 0.02em;
}

.form-card { padding: 1.15rem 1.25rem; margin: 0 0 1.25rem; }
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.45rem 0.85rem;
}

button.primary {
  background: var(--gradient-cta);
  color: var(--cta-text);
  border: 0;
  border-radius: 999px;
  padding: 0.7rem 1.15rem;
  cursor: pointer;
  font-weight: 700;
  letter-spacing: 0.01em;
}
button.primary:hover { filter: brightness(1.05); }

button.ghost,
.row-actions button,
.row-actions select {
  border: 1px solid var(--line-strong);
  background: #fff;
  border-radius: 999px;
  padding: 0.35rem 0.65rem;
  cursor: pointer;
  font-size: 0.82rem;
  color: var(--ink);
  font-weight: 600;
}

.error {
  background: #fef3f2;
  color: var(--danger);
  border: 1px solid rgba(180, 35, 24, 0.2);
  padding: 0.75rem 0.95rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.95rem;
}

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1rem;
  background: var(--page-bg);
}
.login-card {
  width: min(420px, 100%);
  padding: 1.75rem 1.55rem;
}
.login-card h1 {
  margin: 0 0 0.35rem;
  font-family: var(--display);
  font-size: 2.1rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.list { list-style: none; padding: 0; margin: 0; }
.list li {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.95rem 1.05rem;
  margin-bottom: 0.6rem;
  background: var(--card);
  box-shadow: var(--shadow-sm);
}

.muted { color: var(--muted); }
.prose { white-space: pre-wrap; line-height: 1.55; font-size: 1rem; }

.mode-banner {
  margin: 0 0 1.25rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--ink);
  font-weight: 600;
  font-size: 0.95rem;
}
.mode-banner.work { border-left: 4px solid var(--accent); }
.mode-banner.vacation {
  background: #fff7ed;
  border-left: 4px solid #c2410c;
}

.do-plan { margin: 0 0 1.5rem; }
.do-block { margin: 0 0 1.35rem; }
.do-block h2 {
  margin: 0 0 0.55rem;
  font-family: var(--display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--muted);
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
}

.do-items {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: none;
}

.do-item {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  margin: 0 0 0.55rem;
  padding: 0.95rem 1.05rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.do-item.urgent { border-color: rgba(180, 35, 24, 0.35); background: #fffafa; }
.do-item.work { border-color: rgba(28, 107, 122, 0.35); }

.do-num {
  flex: 0 0 2rem;
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-weight: 800;
  font-size: 0.9rem;
  font-family: var(--display);
}
.do-item.urgent .do-num { background: var(--danger); }
.do-item.work .do-num { background: var(--accent); }

.do-body { min-width: 0; flex: 1; }
.do-title {
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
}
.do-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.85rem;
  margin-top: 0.4rem;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 600;
}

.empty-plan {
  padding: 1.25rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px dashed var(--line-strong);
  color: var(--muted);
  font-size: 1.05rem;
}

.plan-extra {
  margin: 1.5rem 0;
  color: var(--muted);
}
.plan-extra summary {
  cursor: pointer;
  font-weight: 600;
}

footer {
  padding: 2rem 0 2.5rem;
  color: var(--muted);
  font-size: 0.86rem;
  border-top: 1px solid var(--line);
  margin-top: 2rem;
}

@media (max-width: 900px) {
  .board { grid-template-columns: repeat(2, minmax(220px, 1fr)); }
}
@media (max-width: 560px) {
  .board { grid-template-columns: 1fr; }
  .top { align-items: flex-start; flex-direction: column; }
}