:root {
  /* --- LIGHT MODE --- */
  --bg-color: #fafaf9;
  --surface-color: #ffffff;
  --border-color: #e5e7eb;

  --text-main: #292524;
  --text-muted: #78716c;
  --text-inverted: #ffffff;

  --primary: #fca5a5;
  --primary-hover: #f87171;
  --primary-text: #ffffff;

  --accent-yellow: #fde047;
  --accent-blue: #93c5fd;
  --accent-green: #86efac;

  --danger: #ef4444;

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 6px 12px rgba(0, 0, 0, 0.08);

  --font-main: "Outfit", system-ui, -apple-system, sans-serif;
  --radius: 12px;
}

/* --- DARK MODE --- */
[data-theme="dark"] {
  --bg-color: #171717;
  --surface-color: #262626;
  --border-color: #404040;

  --text-main: #f5f5f5;
  --text-muted: #a3a3a3;
  --text-inverted: #171717;

  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 6px 12px rgba(0, 0, 0, 0.4);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  transition:
    background-color 0.3s ease,
    color 0.3s ease;
}

body.modal-open {
  overflow: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}
ul {
  list-style: none;
}

.btn {
  padding: 12px 24px;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  font-size: 0.95rem;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  font-family: var(--font-main);
}

.btn-large {
  padding: 16px 40px;
  font-size: 1.15rem;
  background-color: var(--text-main);
  color: var(--bg-color);
  box-shadow: 0 10px 20px -5px rgba(0, 0, 0, 0.1);
}
.btn-large:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 25px -5px rgba(0, 0, 0, 0.15);
}

.btn-primary {
  background-color: var(--text-main);
  color: var(--bg-color);
  border: 1px solid transparent;
}
[data-theme="dark"] .btn-primary {
  background-color: var(--primary);
  color: #000;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  opacity: 0.9;
}

.btn-secondary {
  background-color: var(--surface-color);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}
.btn-secondary:hover {
  border-color: var(--text-muted);
}

.btn-danger {
  background-color: var(--danger);
  color: white;
}
.btn-danger:hover {
  background-color: #dc2626;
}

.btn-outline {
  border: 2px solid var(--text-muted);
  color: var(--text-muted);
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--text-main);
  color: var(--text-main);
}

input,
select {
  background-color: var(--surface-color);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}
input:focus,
select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(var(--primary), 0.2);
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--text-main);
}
.logo-box {
  width: 40px;
  height: 40px;
  background-color: var(--text-main);
  color: var(--bg-color);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-size: 1.2rem;
  font-weight: 800;
}
.logo-box.small {
  width: 32px;
  height: 32px;
  font-size: 1rem;
}

#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 2000;
  pointer-events: none;
}
.toast {
  background: var(--surface-color);
  color: var(--text-main);
  padding: 16px 20px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 300px;
  transform: translateX(120%);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  border-left: 5px solid var(--text-muted);
  pointer-events: auto;
}
.toast.show {
  transform: translateX(0);
}
.toast.success {
  border-left-color: var(--accent-green);
}
.toast.success i {
  color: var(--accent-green);
}
.toast.error {
  border-left-color: var(--danger);
}
.toast.error i {
  color: var(--danger);
}
.toast-icon {
  font-size: 1.2rem;
}