/**
 * Denklem Bilgisayar — UI Bileşen Kütüphanesi (components.css)
 * Butonlar • Kartlar • Rozetler • İstatistikler • Formlar • Grid Modülleri
 */

/* ==================== 1. BUTONLAR (MIN 44PX DOKUNMATİK ERGONOMİ) ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: var(--touch-target-min);
  padding: 12px 24px;
  font-family: var(--font-sans);
  font-size: var(--font-sm);
  font-weight: 700;
  border-radius: var(--radius-sm);
  transition: all var(--transition-normal);
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-orange), var(--primary-orange-hover));
  color: #ffffff;
  box-shadow: var(--shadow-orange);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-orange-lg);
  color: #ffffff;
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background-color: var(--navy-900);
  color: #ffffff;
}

.btn-secondary:hover {
  background-color: var(--navy-800);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: #ffffff;
}

.btn-outline {
  background-color: transparent;
  border-color: var(--border-color);
  color: var(--text-main);
}

.btn-outline:hover {
  background-color: var(--bg-surface);
  border-color: var(--navy-700);
  color: var(--text-main);
}

.btn-outline-primary {
  background-color: transparent;
  border-color: var(--primary-orange);
  color: var(--primary-orange-hover);
}

.btn-outline-primary:hover {
  background-color: var(--primary-orange-light);
  border-color: var(--primary-orange);
  color: var(--primary-orange-hover);
}

.btn-sm {
  min-height: 38px;
  padding: 8px 16px;
  font-size: var(--font-xs);
}

.btn-lg {
  min-height: 52px;
  padding: 14px 32px;
  font-size: var(--font-base);
}

.btn-block {
  width: 100%;
}

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-sm);
}

/* ==================== 2. GRID SİSTEMLERİ ==================== */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(20px, 3vw, 32px);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 3vw, 32px);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(16px, 2.5vw, 24px);
}

@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 540px) {
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* ==================== 3. KURUMSAL KARTLAR & HİZMET KUTULARI ==================== */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: clamp(24px, 3vw, 32px);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  position: relative;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(245, 124, 0, 0.3);
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--primary-orange-light);
  color: var(--primary-orange-hover);
  border: 1px solid var(--primary-orange-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: all var(--transition-normal);
}

.card:hover .card-icon {
  background: linear-gradient(135deg, var(--primary-orange), var(--primary-orange-hover));
  color: #ffffff;
  transform: scale(1.06);
}

.card-title {
  font-size: var(--font-lg);
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
}

.card-desc {
  font-size: var(--font-sm);
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary-orange);
  font-weight: 700;
  font-size: var(--font-sm);
  transition: gap var(--transition-fast);
}

.card-link:hover {
  gap: 10px;
  color: var(--primary-orange-hover);
}

/* ==================== 4. İSTATİSTİK & SAYAC KARTLARI ==================== */
.stat-card {
  text-align: center;
  padding: 24px 16px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.stat-number {
  font-size: var(--font-3xl);
  font-weight: 800;
  color: var(--navy-900);
  line-height: 1;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
}

.stat-number span.stat-plus {
  color: var(--primary-orange);
}

.stat-label {
  font-size: var(--font-sm);
  color: var(--text-muted);
  font-weight: 600;
}

/* ==================== 5. FORM ELEMANLARI ==================== */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.form-label {
  font-size: var(--font-sm);
  font-weight: 600;
  color: var(--text-main);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  min-height: var(--touch-target-min);
  background-color: #ffffff;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: var(--font-base);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--primary-orange);
  box-shadow: 0 0 0 4px var(--primary-orange-light);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-light);
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}