/* =============================================================================
   components.css — Ortak temel + buton + form bileşenleri (login ve uygulama layout'u birlikte kullanır)
   front-kutuphane-test/app.css'ten adapte; renk/ölçü değerleri theme.css değişkenlerinden gelir. Tailwind kullanılmaz.
   ============================================================================= */

/* --- Temel ------------------------------------------------------------ */
html { font-family: var(--font-sans); color: var(--color-text); }
body {
  margin: 0;
  background: var(--color-background);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-hover); text-decoration: underline; }
:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--color-focus-ring); border-radius: var(--radius-small); }
button, input { font: inherit; color: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; }
.text-muted { color: var(--color-text-muted); }
.brand-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: var(--radius-default);
  background: var(--color-primary); color: var(--color-text-inverse); font-size: 18px;
  flex-shrink: 0;
}

/* --- Butonlar --------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: var(--control-height); padding: 0 14px;
  border: 1px solid transparent; border-radius: var(--radius-default);
  font-weight: 500; font-size: 13.5px; line-height: 1; white-space: nowrap;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
  position: relative;
}
.btn-primary { background: var(--color-primary); color: var(--color-text-inverse); border-color: var(--color-primary); }
.btn-primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.6; }
.btn.is-loading { color: transparent !important; pointer-events: none; }
.btn.is-loading::after {
  content: ""; position: absolute; width: 16px; height: 16px;
  border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%;
  color: var(--color-text-inverse);
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Form ------------------------------------------------------------- */
.form-group { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.form-label { font-size: 13px; font-weight: 500; color: var(--color-text); }
.form-control {
  width: 100%; min-width: 0; height: var(--control-height); padding: 0 11px;
  box-sizing: border-box;
  background: var(--color-surface); border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-default); font-size: 14px; color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-control::placeholder { color: var(--color-text-muted); opacity: 0.8; }
.form-control:hover { border-color: var(--color-text-muted); }
.form-control:focus, .form-control:focus-visible {
  outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-focus-ring);
}
.form-control.input-validation-error { border-color: var(--color-danger); }
.form-control.input-validation-error:focus { box-shadow: 0 0 0 3px var(--color-danger-soft); }
.form-error { font-size: 12.5px; color: var(--color-danger); }
.form-error:empty { display: none; }
.form-alert {
  padding: 10px 12px; border-radius: var(--radius-default);
  background: var(--color-danger-soft); color: var(--color-danger); font-size: 13px;
  display: flex; gap: 8px; align-items: flex-start;
}
.form-alert i { font-size: 17px; flex-shrink: 0; }
.form-alert ul { margin: 0; padding: 0; list-style: none; }
/* Başarı bildirimi (ör. kayıt sonrası login ekranı); mevcut token'lar kullanılır. */
.form-alert-success { background: var(--color-success-soft); color: var(--color-success); }
/* Uyarı bildirimi (ör. doğrulama kodu e-postası gönderilemedi). */
.form-alert-warning { background: var(--color-warning-soft); color: var(--color-warning); }
.input-group { position: relative; }
.input-group .form-control { padding-right: 40px; }
.input-group .input-addon {
  position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  width: 30px; height: 30px; border: 0; background: transparent; border-radius: var(--radius-small);
  color: var(--color-text-muted); display: inline-flex; align-items: center; justify-content: center; font-size: 18px;
}
.input-group .input-addon:hover { color: var(--color-text); background: var(--color-surface-secondary); }
.input-group.has-icon .form-control { padding-left: 36px; padding-right: 11px; }
.input-group.has-icon .input-icon {
  position: absolute; left: 11px; top: 50%; transform: translateY(-50%);
  color: var(--color-text-muted); font-size: 17px; pointer-events: none;
}

/* --- Ek buton varyantları ------------------------------------------------ */
.btn-secondary { background: var(--color-surface); color: var(--color-text); border-color: var(--color-border-strong); }
.btn-secondary:hover { background: var(--color-surface-secondary); }
.btn i { font-size: 17px; line-height: 1; }
select.form-control { padding-right: 32px; appearance: auto; }

/* --- Tarih aralığı component'i (_DateRange) ------------------------------- */
/* fieldset varsayılan kenarlık/boşluklarını sıfırla; görünüm diğer form-group'larla aynı kalsın. */
.date-range { border: 0; padding: 0; margin: 0; min-width: 0; }
.date-range > legend { padding: 0; }
.date-range-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.date-range-field { display: flex; flex-direction: column; gap: 3px; min-width: 0; }