/* =====================================================
   EMR ŞAHİN GROUP — Buttons
   ===================================================== */

/* ── Temel Buton ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 10px 20px;
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.2px;
  border: 1.5px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  user-select: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  transition:
    background      var(--transition-fast),
    border-color    var(--transition-fast),
    color           var(--transition-fast),
    box-shadow      var(--transition-fast),
    transform       var(--transition-fast);
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.btn:active { transform: scale(0.97); }

.btn:disabled,
.btn.disabled {
  opacity: 0.4;
  pointer-events: none;
}

/* ── Solid Varyantlar ── */
.btn-primary {
  background: var(--color-primary);
  color: var(--brand-dark);
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: 0 4px 14px rgba(198, 154, 99, 0.28);
  transform: translateY(-1px);
}

.btn-success {
  background: var(--color-success);
  color: #fff;
  border-color: var(--color-success);
}
.btn-success:hover {
  background: #3D6649;
  border-color: #3D6649;
  box-shadow: 0 4px 14px rgba(74, 124, 89, 0.22);
  transform: translateY(-1px);
}

.btn-danger {
  background: var(--color-danger);
  color: #fff;
  border-color: var(--color-danger);
}
.btn-danger:hover {
  background: #9B3030;
  border-color: #9B3030;
  box-shadow: 0 4px 14px rgba(184, 60, 60, 0.22);
  transform: translateY(-1px);
}

.btn-warning {
  background: var(--color-warning);
  color: #fff;
  border-color: var(--color-warning);
}
.btn-warning:hover {
  background: #A0632A;
  border-color: #A0632A;
  box-shadow: 0 4px 14px rgba(192, 120, 48, 0.22);
  transform: translateY(-1px);
}

.btn-info {
  background: var(--color-info);
  color: #fff;
  border-color: var(--color-info);
}
.btn-info:hover {
  background: #3B587A;
  border-color: #3B587A;
  box-shadow: 0 4px 14px rgba(74, 107, 138, 0.22);
  transform: translateY(-1px);
}

/* ── Ghost Varyantlar (border + renkli metin) ── */
.btn-ghost-primary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-ghost-primary:hover {
  background: var(--color-primary);
  color: var(--brand-dark);
}

.btn-ghost-danger {
  background: transparent;
  color: var(--color-danger);
  border-color: var(--color-danger);
}
.btn-ghost-danger:hover {
  background: var(--color-danger);
  color: #fff;
}

/* ── Outline Varyant (nötr border) ── */
.btn-outline {
  background: transparent;
  color: var(--color-text-muted);
  border-color: var(--color-border);
}
.btn-outline:hover {
  background: var(--color-surface-2);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ── Soft / Surface ── */
.btn-soft {
  background: var(--color-surface-2);
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-soft:hover {
  background: var(--brand-bronze-soft);
  border-color: rgba(198, 154, 99, 0.4);
  color: var(--brand-bronze-dark);
}

/* ── Marka Butonları — EMR Şahin Group ── */

/* Bronz (Ana CTA · Birincil) */
.btn-bronze {
  background: var(--brand-bronze);
  color: var(--brand-dark);
  border-color: var(--brand-bronze);
}
.btn-bronze:hover {
  background: var(--brand-bronze-dark);
  border-color: var(--brand-bronze-dark);
  box-shadow: 0 4px 14px rgba(198, 154, 99, 0.28);
  transform: translateY(-1px);
}

/* Grafit (İkincil · Güçlü) */
.btn-dark {
  background: var(--brand-dark);
  color: var(--brand-light);
  border-color: var(--brand-dark);
}
.btn-dark:hover {
  background: #3D3437;
  border-color: #3D3437;
  box-shadow: 0 4px 14px rgba(43, 38, 40, 0.22);
  transform: translateY(-1px);
}

/* Ghost Bronz */
.btn-ghost-bronze {
  background: transparent;
  color: var(--brand-bronze);
  border-color: var(--brand-bronze);
}
.btn-ghost-bronze:hover {
  background: var(--brand-bronze);
  color: var(--brand-dark);
  box-shadow: 0 4px 14px rgba(198, 154, 99, 0.18);
}

/* Ghost Grafit */
.btn-ghost-dark {
  background: transparent;
  color: var(--brand-dark);
  border-color: var(--brand-dark);
}
.btn-ghost-dark:hover {
  background: var(--brand-dark);
  color: var(--brand-light);
}

/* Soft Bronz (açık bronz zemin) */
.btn-soft-bronze {
  background: var(--brand-bronze-soft);
  color: var(--brand-dark);
  border-color: #E0CDB0;
}
.btn-soft-bronze:hover {
  background: #E5D4B8;
  border-color: var(--brand-bronze);
  color: var(--brand-bronze-dark);
}

/* Krem (koyu zemin üzeri kullanım için) */
.btn-cream {
  background: var(--brand-light);
  color: var(--brand-dark);
  border-color: #CBC5BF;
}
.btn-cream:hover {
  background: #EDE8E2;
  border-color: #EDE8E2;
  box-shadow: 0 4px 14px rgba(43, 38, 40, 0.14);
  transform: translateY(-1px);
}

/* ── Boyutlar ── */
.btn-xs {
  padding: 6px 12px;
  font-size: var(--font-size-xs);
  border-radius: var(--radius-sm);
}
.btn-sm {
  padding: 8px 16px;
  font-size: var(--font-size-sm);
}
.btn-lg {
  padding: 14px 30px;
  font-size: var(--font-size-lg);
  border-radius: var(--radius-lg);
}
.btn-xl {
  padding: 18px 40px;
  font-size: var(--font-size-xl);
  border-radius: var(--radius-lg);
}

/* ── Tam Genişlik ── */
.btn-full { width: 100%; }

/* ── Yuvarlak (icon buton) ── */
.btn-icon {
  padding: 10px;
  border-radius: var(--radius-full);
  aspect-ratio: 1;
}
.btn-icon.btn-sm { padding: 8px; }
.btn-icon.btn-lg { padding: 14px; }

/* ── Loading spinner ── */
.btn.loading {
  pointer-events: none;
  color: transparent;
}
.btn.loading::before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: btn-spin 0.7s linear infinite;
}

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