* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f4f6f8;
  color: #111;
}

button {
  cursor: pointer;
  border: none;
  border-radius: 10px;
  padding: 10px 14px;
  background: #2563eb;
  color: white;
  font-weight: bold;
}

input, textarea, select {
  width: 100%;
  padding: 11px;
  margin: 6px 0;
  border: 1px solid #ccc;
  border-radius: 10px;
}

textarea {
  resize: vertical;
}

.container {
  max-width: 1100px;
  margin: auto;
  padding: 16px;
}

.auth {
  max-width: 420px;
  margin: 50px auto;
  background: white;
  padding: 24px;
  border-radius: 18px;
  box-shadow: 0 8px 30px #0001;
}

.topbar {
  background: white;
  padding: 14px;
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 3px 15px #0001;
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar-left {
  font-weight: bold;
  font-size: 20px;
}

.topbar-right {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}

.card {
  background: white;
  padding: 14px;
  border-radius: 16px;
  box-shadow: 0 5px 20px #0001;
  margin-bottom: 14px;
}

.card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  background: #ddd;
  border-radius: 12px;
}

.price {
  font-size: 20px;
  font-weight: bold;
  color: #16a34a;
}

.order-active {
  border: 2px solid #22c55e;
  background: #f0fdf4;
}

.order-completed {
  opacity: 0.75;
}

.avatar {
  width: 80px;
  height: 80px;
  border-radius: 100px;
  object-fit: cover;
  background: #ddd;
}

.chat {
  height: 250px;
  overflow-y: auto;
  background: #f1f5f9;
  padding: 10px;
  border-radius: 12px;
  margin: 10px 0;
}

.msg {
  background: white;
  padding: 8px 10px;
  border-radius: 10px;
  margin-bottom: 8px;
}

.msg.me {
  background: #dbeafe;
  margin-left: 30px;
}

.row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.row > * {
  flex: 1;
}

.danger {
  background: #dc2626;
}

.gray {
  background: #64748b;
}

.green {
  background: #16a34a;
}

hr {
  border: none;
  border-top: 1px solid #e5e7eb;
  margin: 16px 0;
}

@media (max-width: 600px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .topbar-right {
    width: 100%;
  }

  .topbar-right button {
    flex: 1;
  }
}