/* МелМК — base: типографика, кнопки, формы, тосты */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  overflow-x: clip;
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: clamp(15px, 2.6vw, 16px);
  line-height: 1.5;
  color: var(--text);
  background:
    radial-gradient(900px 520px at 8% -8%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 55%),
    radial-gradient(700px 420px at 100% 0%, color-mix(in srgb, var(--accent-2) 16%, transparent), transparent 50%),
    radial-gradient(600px 380px at 70% 100%, color-mix(in srgb, var(--accent-3) 10%, transparent), transparent 45%),
    var(--bg);
  overflow-x: clip;
  padding-top: var(--safe-top);
  padding-left: var(--safe-left);
  padding-right: var(--safe-right);
  -webkit-font-smoothing: antialiased;
}

img, svg {
  display: block;
  max-width: 100%;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
  position: relative;
  overflow: hidden;
}

a {
  color: var(--accent);
}

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
  border-radius: 10px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.2;
  margin: 0;
  letter-spacing: -0.03em;
}

p {
  margin: 0;
}

/* Кнопки ≥44px */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: var(--touch);
  min-width: var(--touch);
  padding: 0 var(--space-4);
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: -0.01em;
  transition:
    background var(--transition),
    color var(--transition),
    transform 140ms ease,
    box-shadow var(--transition),
    border-color var(--transition);
  -webkit-tap-highlight-color: transparent;
  box-shadow: var(--shadow-sm);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0) scale(0.98);
}

.btn:disabled {
  opacity: 0.5;
  pointer-events: none;
  transform: none;
}

.btn--primary {
  background: var(--hero-grad);
  color: #fff;
  border: 1px solid transparent;
  box-shadow: 0 8px 24px color-mix(in srgb, var(--accent) 35%, transparent);
}

.btn--primary:hover {
  background: var(--accent-hover);
  filter: brightness(1.05);
}

.btn--ghost {
  background: color-mix(in srgb, var(--bg-muted) 80%, transparent);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: none;
}

.btn--ghost:hover {
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
}

.btn--outline {
  border: 1.5px solid var(--border);
  background: var(--bg-elev);
  box-shadow: none;
}

.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn--icon {
  width: var(--touch);
  padding: 0;
  border-radius: 16px;
}

.btn--danger {
  background: var(--danger);
  color: #fff;
}

.btn--block {
  width: 100%;
}

input, select, textarea {
  min-height: var(--touch);
  padding: 0 var(--space-4);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-elev);
  font-size: 16px;
  width: 100%;
  box-shadow: inset 0 1px 2px rgb(15 23 42 / 3%);
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
  -webkit-appearance: none;
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b6280' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent);
}

textarea {
  padding: var(--space-3) var(--space-4);
  min-height: 100px;
  resize: vertical;
}

label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: var(--space-2);
  letter-spacing: 0.02em;
}

.field {
  margin-bottom: var(--space-4);
}

/* Toast */
.toast-root {
  position: fixed;
  z-index: 1000;
  left: 50%;
  bottom: calc(var(--nav-h) + var(--safe-bottom) + 16px);
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  width: min(92vw, 380px);
  pointer-events: none;
}

.toast {
  background: var(--glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(10px) scale(0.98);
  transition: opacity 220ms ease, transform 220ms ease;
  font-size: 0.9375rem;
  font-weight: 600;
}

.toast--show {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.toast--success { border-left: 4px solid var(--success); }
.toast--error { border-left: 4px solid var(--danger); }
.toast--warn { border-left: 4px solid var(--warn); }
.toast--info { border-left: 4px solid var(--accent); }

@media print {
  .app-header,
  .bottom-nav,
  .no-print,
  .toast-root,
  .install-banner,
  .update-banner,
  .mm-blobs,
  .mm-nav-pill {
    display: none !important;
  }
  body {
    background: #fff;
    color: #000;
  }
  .main {
    padding: 0 !important;
    margin: 0 !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}