:root {
  --color-bg: #f4f5f7;
  --color-surface: #ffffff;
  --color-primary: #2454ff;
  --color-danger: #c9302c;
  --color-text: #1c1f26;
  --color-text-muted: #5b6270;
  --color-border: #e1e3e8;
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 1.5rem;
}

.admin-header h1 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 4rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
}

.panel h2 {
  margin: 0 0 1rem;
  font-size: 1.05rem;
  font-weight: 600;
}

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.field-hint {
  margin: 0 0 0.75rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 400;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.dropzone {
  position: relative;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  margin-bottom: 1rem;
  color: var(--color-text-muted);
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.dropzone.dropzone-active {
  border-color: var(--color-primary);
  background: #eef2ff;
}

.dropzone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

button,
.link-button {
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.55rem 1.1rem;
  border: none;
  border-radius: var(--radius);
  background: var(--color-primary);
  color: #fff;
  cursor: pointer;
}

button:hover {
  opacity: 0.9;
}

.link-button {
  background: none;
  color: var(--color-text-muted);
  padding: 0.3rem 0.6rem;
}

.danger-button {
  background: var(--color-danger);
}

.app-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.app-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.app-row-title {
  flex: 1;
  font-weight: 600;
}

.app-row-link {
  color: var(--color-primary);
  text-decoration: none;
  font-size: 0.85rem;
}

.delete-form {
  margin: 0;
}

.empty-state {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.flash-success,
.flash-error {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
}

.flash-success {
  background: #e6f4ea;
  color: #1e7e34;
}

.flash-error {
  background: #fbe7e6;
  color: var(--color-danger);
}

.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  margin: 0;
  background: var(--color-bg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.login-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  width: 100%;
  max-width: 320px;
}

.login-card h1 {
  margin: 0 0 1rem;
  font-size: 1.25rem;
  text-align: center;
}

.form-error {
  background: #fbe7e6;
  color: var(--color-danger);
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}