/* QuickBill Common Styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --primary: #0f172a;
  --primary-hover: #1e293b;
  --accent: #3b82f6;
  --bg-light: #f8fafc;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --white: #ffffff;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  --radius: 12px;
}

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text-main);
  line-height: 1.6;
}

/* Switch Styling */
.switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 26px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #cbd5e1;
  transition: .4s;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: .4s;
}

input:checked+.slider {
  background-color: var(--accent);
}

input:checked+.slider:before {
  transform: translateX(24px);
}

.slider.round {
  border-radius: 34px;
}

.slider.round:before {
  border-radius: 50%;
}

body {
  background: var(--bg-light);
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  font-weight: 700;
  letter-spacing: -0.025em;
}

.btn {
  display: inline-block;
  padding: 12px 24px;
  background: var(--primary);
  color: var(--white);
  text-decoration: none;
  border-radius: var(--radius);
  font-weight: 500;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
}

.btn:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.container {
  max-width: 1100px;
  margin: auto;
  padding: 60px 20px;
}

.card {
  border: 1px solid #e2e8f0;
  border-radius: var(--radius);
  padding: 32px;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

header {
  background: var(--primary);
  color: var(--white);
  padding: 80px 20px;
  text-align: center;
}

footer {
  background: var(--primary);
  color: var(--white);
  padding: 60px 20px;
  text-align: center;
}

footer p {
  opacity: 0.7;
  font-size: 0.9rem;
}

/* Auth Pages Style */
.auth-container {
  max-width: 400px;
  margin: 100px auto;
  padding: 40px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.auth-input {
  width: 100%;
  padding: 12px;
  margin-bottom: 20px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  box-sizing: border-box;
  font-size: 16px;
}

.auth-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}