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

html, body {
  height: 100%;
  width: 100%;
  background: #000;
  color: #fff;
  font-family: 'Inter', sans-serif;
  overscroll-behavior: none;
  -webkit-tap-highlight-color: transparent;
}

/* ─── Layout ────────────────────────────────────────────── */
.container {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  padding-bottom: env(safe-area-inset-bottom, 24px);
}

.card {
  width: 100%;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ─── Textarea ──────────────────────────────────────────── */
.note-textarea {
  width: 100%;
  min-height: 180px;
  background: #000;
  color: #fff;
  caret-color: #fff;
  border: 1px solid #fff;
  border-radius: 4px;
  padding: 16px;
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  font-weight: 300;
  line-height: 1.6;
  resize: none;
  outline: none;
  transition: border-color 0.2s ease;
}

.note-textarea::placeholder {
  color: #555;
}

.note-textarea:focus {
  border-color: rgba(255, 255, 255, 0.7);
}

.note-textarea.error {
  border-color: #ff4444;
  animation: shake 0.3s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25%       { transform: translateX(-6px); }
  75%       { transform: translateX(6px); }
}

/* ─── Button ────────────────────────────────────────────── */
.meno-btn {
  width: 100%;
  padding: 16px;
  background: #000;
  color: #fff;
  border: 1px solid #fff;
  border-radius: 4px;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 300;
  letter-spacing: 0.25em;
  text-transform: lowercase;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, opacity 0.2s ease;
  -webkit-appearance: none;
  appearance: none;
}

.meno-btn:hover:not(:disabled) {
  background: #fff;
  color: #000;
}

.meno-btn:active:not(:disabled) {
  opacity: 0.7;
}

.meno-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.meno-btn.loading::after {
  content: '';
  display: inline-block;
  width: 10px;
  height: 10px;
  border: 1px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  margin-left: 10px;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ─── Toast ─────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #111;
  color: #fff;
  border: 1px solid #333;
  border-radius: 4px;
  padding: 12px 20px;
  font-size: 13px;
  font-weight: 300;
  letter-spacing: 0.05em;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 100;
  max-width: calc(100vw - 48px);
  text-align: center;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast.success { border-color: rgba(255, 255, 255, 0.3); }
.toast.error   { border-color: #ff4444; color: #ff8888; }