* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  background: #0b0f14;
  color: #ffffff;
}

/* ---------- LAYOUT ---------- */
.container {
  max-width: 900px;
  margin: auto;
  padding: 20px;
}

h1 {
  font-size: 26px;
  margin-bottom: 10px;
}

h2 {
  font-size: 22px;
  margin-bottom: 12px;
}

p {
  margin-top: 0;
  opacity: 0.85;
}

/* ---------- PROJECT CARDS ---------- */
.projects {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.project-card {
  background: #151a21;
  border-radius: 14px;
  padding: 18px;
  transition: transform 0.15s ease;
}

.project-card:hover {
  transform: translateY(-2px);
}

.project-card h3 {
  margin: 0 0 6px;
  font-size: 20px;
}

.project-card p {
  font-size: 15px;
}

.project-card a {
  display: inline-block;
  margin-top: 10px;
  padding: 10px 14px;
  border-radius: 10px;
  background: #2c5364;
  color: #fff;
  text-decoration: none;
  font-size: 15px;
}

/* ---------- FORMS ---------- */
input, textarea {
  width: 100%;
  padding: 14px;
  font-size: 16px;
  border-radius: 10px;
  border: none;
  margin-bottom: 14px;
}

textarea {
  min-height: 90px;
}

button {
  width: 100%;
  padding: 14px;
  font-size: 17px;
  border-radius: 12px;
  border: none;
  background: #2c5364;
  color: #fff;
  cursor: pointer;
}

/* ---------- ADD PROJECT ---------- */
.add-project {
  margin-top: 32px;
  background: #151a21;
  border-radius: 16px;
  padding: 20px;
}

/* ---------- TABS ---------- */
.tabs {
  display: flex;
  gap: 10px;
  margin: 20px 0;
}

.tabs a {
  flex: 1;
  text-align: center;
  padding: 12px;
  border-radius: 12px;
  background: #151a21;
  color: #fff;
  text-decoration: none;
  font-weight: 600;
}

.tabs a.active {
  background: #2c5364;
}

/* ---------- TASK LIST ---------- */
.task {
  background: #151a21;
  padding: 14px;
  border-radius: 12px;
  margin-bottom: 10px;
  font-size: 17px;
  cursor: grab;
}

.task:active {
  cursor: grabbing;
}

/* ---------- RESPONSIVE ---------- */
@media (min-width: 700px) {
  .projects {
    grid-template-columns: 1fr 1fr;
  }
}