:root {
  --font-heading: "Montserrat", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Helvetica Neue", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;

  --color-primary: #0063c5;
  --color-secondary: #00a2ff;
  --color-success: #3d5c2c;
  --color-error: #cc0024;

  --color-surface-dark: #121212;
  --color-surface-card: #222222;
  --surface-card-gradient: linear-gradient(to bottom, #000000, #222222);

  --color-text-primary: #ffffff;
  --color-text-secondary: #5e5e5e;
  --color-text-muted: #929292;
  --color-border-dark: #222222;

  --mm-space-8: 8px;
  --mm-space-12: 12px;
  --mm-space-16: 16px;
  --mm-space-24: 24px;

  --mm-shell-radius: 18px;
  --mm-shell-width: 760px;
  --mm-shell-width-blank: 560px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body.mm-shell {
  background: var(--color-surface-dark);
  color: var(--color-text-primary);
  font-family: var(--font-body);
}

.mm-shell-main {
  min-height: 100vh;
  padding: 32px 20px 48px;
}

.mm-shell-container {
  width: min(100%, var(--mm-shell-width));
  margin: 0 auto;
  background: var(--surface-card-gradient);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--mm-shell-radius);
  padding: 24px;
}

.mm-shell-container.is-blank,
.mm-shell-template-blank .mm-shell-container {
  width: min(100%, var(--mm-shell-width-blank));
}

.mm-shell-title,
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  color: var(--color-text-primary);
}

.mm-shell-entry {
  display: block;
}

.mm-shell-title {
  margin: 0 0 var(--mm-space-16);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  line-height: 1.1;
}

.mm-shell-content {
  color: var(--color-text-primary);
}

.mm-shell-content > :first-child {
  margin-top: 0;
}

.mm-shell-content > :last-child {
  margin-bottom: 0;
}

.mm-shell-content p,
.mm-shell-content li,
.mm-shell-content label {
  color: var(--color-text-primary);
  line-height: 1.55;
}

.mm-shell-content small,
.mm-shell-content .is-muted {
  color: var(--color-text-muted);
}

.mm-shell-content a,
.mm-shell-list-item a {
  color: var(--color-secondary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.mm-shell-list {
  margin: 0;
  padding-left: 20px;
}

.mm-shell-list-item + .mm-shell-list-item {
  margin-top: 8px;
}

.mm-shell-content input,
.mm-shell-content textarea,
.mm-shell-content select {
  width: 100%;
  min-height: 44px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text-primary);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  font: inherit;
}

.mm-shell-content input::placeholder,
.mm-shell-content textarea::placeholder {
  color: var(--color-text-muted);
}

.mm-shell-content button,
.mm-shell-content [type="submit"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 12px 16px;
  background: var(--color-primary);
  color: var(--color-text-primary);
  border: none;
  border-radius: 12px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.mm-shell-content button:hover,
.mm-shell-content [type="submit"]:hover {
  background: var(--color-secondary);
}

@media (max-width: 640px) {
  .mm-shell-main {
    padding: 20px 14px 28px;
  }

  .mm-shell-container {
    padding: 20px;
    border-radius: 14px;
  }
}