@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

:root {
  --light-bg: #f4f4f4;
  --light-text: #333;
  --light-container: #ffffff;
  --light-history: #f9f9f9;

  --dark-bg: #121212;
  --dark-text: #e0e0e0;
  --dark-container: #1f1f1f;
  --dark-history: #2c2c2c;

  --sale-color: #5bba60;
  --purchase-color: #5a5ab3;
  --expense-color: #d30808;
  --delete-btn-bg: #b33e3e;

  --border-radius: 10px;
  --shadow-light: 0 4px 12px rgba(0, 0, 0, 0.05);
  --shadow-dark: 0 4px 12px rgba(0, 0, 0, 0.2);
}

body {
  font-family: 'Inter', sans-serif;
  margin: 0;
  background: var(--light-bg);
  color: var(--light-text);
  transition: background 0.3s, color 0.3s;
  line-height: 1.6;
}

.dark {
  background: var(--dark-bg);
  color: var(--dark-text);
}

.container {
  padding: 25px;
  max-width: 420px;
  margin: 30px auto;
  background: var(--light-container);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  transition: background 0.3s, box-shadow 0.3s;
}

.dark .container {
  background: var(--dark-container);
  box-shadow: var(--shadow-dark);
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}

header h1 {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0;
}

form,
.summary,
.tips {
  margin: 25px 0;
}

form input,
form select {
  width: 100%;
  padding: 12px 15px;
  margin-top: 10px;
  margin-bottom: 15px;
  border-radius: var(--border-radius);
  border: 1px solid #ccc;
  background: #fefefe;
  font-size: 0.95rem;
  transition: border 0.2s;
}

form input:focus,
form select:focus {
  outline: none;
  border-color: #888;
}

form button {
  width: 100%;
  padding: 12px;
  margin-top: 5px;
  background-color: var(--sale-color);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.3s;
}

form button:hover {
  background-color: #489c4e;
}

#history {
  list-style-type: none;
  padding: 0;
  margin-top: 20px;
}

#history li {
  background: var(--light-history);
  padding: 15px 15px 15px 20px;
  border-left: 5px solid;
  margin-bottom: 10px;
  border-radius: var(--border-radius);
  position: relative;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
  font-weight: 500;
  transition: transform 0.2s;
}

#history li:hover {
  transform: scale(1.01);
}

.dark #history li {
  background: var(--dark-history);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

#history li.sale {
  border-color: var(--sale-color);
}

#history li.purchase {
  border-color: var(--purchase-color);
}

#history li.expense {
  border-color: var(--expense-color);
}
#filterDate{
  width:150px;
  height:30px;
  padding:10px;
  font-family:Verdana, Geneva, Tahoma, sans-serif;
  border: 1px solid var(--dark-text);
  border-radius: 12px;
  font-size: 16px;
  background: var(--dark-text);
}

#themeToggle{
  display:flex;
  flex-direction: row;
  align-items: center;
  
}
.delete-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--delete-btn-bg);
  border: none;
  color: white;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  font-size: 14px;
  line-height: 24px;
  text-align: center;
  cursor: pointer;
  transition: background 0.3s;
}

.delete-btn:hover {
  background: #a13030;
}