/* Navigation */
.site-nav {
  padding: 24px 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  text-transform: lowercase;
}

/* Buttons */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-weight: 600;
  box-shadow: var(--shadow);
  cursor: pointer;
}

.button.primary {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: transparent;
}

.button.secondary {
  background: transparent;
  box-shadow: none;
}

.theme-toggle {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
}

/* Branding */
.brand-mark {
  position: relative;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(107, 209, 230, 0.2);
  box-shadow: inset 0 0 0 1px rgba(107, 209, 230, 0.25), 0 10px 18px rgba(107, 209, 230, 0.15);
}

.brand-core {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-cool);
  transform: translate(-50%, -50%);
}

.logo-text {
  font-weight: 700;
  letter-spacing: 0.04em;
}

/* Cards */
.card {
  padding: 22px;
  border-radius: 22px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.card-header {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
}

.card-header h3 {
  font-size: 1.2rem;
}

.card-header p {
  color: var(--muted);
  font-size: 0.95rem;
}

/* Form fields */
.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.form-label {
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.form-subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.form-input {
  width: 100%;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--surface-strong);
  color: var(--text);
  font-size: 1rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04), 0 16px 26px rgba(7, 9, 15, 0.22);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input.is-invalid {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(255, 92, 92, 0.2);
}

.form-input::placeholder {
  color: var(--muted);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-cool);
  box-shadow: 0 0 0 3px rgba(107, 209, 230, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.form-helper {
  margin: 0;
  color: var(--danger);
  font-size: 0.85rem;
}

.form-error {
  margin: 0;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(255, 92, 92, 0.12);
  color: var(--danger);
  font-size: 0.9rem;
}

/* Password field */
.password-wrapper {
  position: relative;
}

.password-input {
  padding-right: 54px;
}

.password-toggle {
  position: absolute;
  top: 50%;
  right: 12px;
  transform: translateY(-50%);
  border: none;
  color: var(--muted);
  padding: 6px;
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.password-toggle .icon {
  width: 20px;
  height: 20px;
  display: block;
}

.password-toggle .icon-eye,
.password-toggle .icon-eye-off {
  display: inline-flex;
}

.password-toggle .icon-eye-off {
  display: none;
}

.password-toggle[data-visible="true"] .icon-eye {
  display: none;
}

.password-toggle[data-visible="true"] .icon-eye-off {
  display: block;
}