/* ============================================
   YAPI HİZMETLERİ — Component Styles
   Buttons, Cards, Badges, Forms, Modals, etc.
   ============================================ */

/* ═══════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  line-height: 1;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-default);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}

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

/* Primary — Siyah */
.btn-primary {
  background-color: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-black);
}

.btn-primary:hover {
  background-color: var(--color-gray-800);
  border-color: var(--color-gray-800);
  color: var(--color-white);
}

/* Outline — Beyaz bg, siyah border */
.btn-outline {
  background-color: var(--color-white);
  color: var(--color-black);
  border-color: var(--color-black);
}

.btn-outline:hover {
  background-color: var(--color-black);
  color: var(--color-white);
}

/* Secondary — Açık gri */
.btn-secondary {
  background-color: var(--color-gray-100);
  color: var(--color-text);
  border-color: var(--color-gray-100);
}

.btn-secondary:hover {
  background-color: var(--color-gray-200);
  border-color: var(--color-gray-200);
}

/* Ghost */
.btn-ghost {
  background-color: transparent;
  color: var(--color-text);
  border-color: transparent;
}

.btn-ghost:hover {
  background-color: var(--color-gray-100);
}

/* Success */
.btn-success {
  background-color: var(--color-success);
  color: var(--color-white);
  border-color: var(--color-success);
}

.btn-success:hover {
  background-color: #15803d;
  border-color: #15803d;
  color: var(--color-white);
}

/* Danger */
.btn-danger {
  background-color: var(--color-error);
  color: var(--color-white);
  border-color: var(--color-error);
}

.btn-danger:hover {
  background-color: #b91c1c;
  border-color: #b91c1c;
  color: var(--color-white);
}

/* Sizes */
.btn-sm {
  padding: 8px 20px;
  font-size: var(--text-sm);
}

.btn-lg {
  padding: 18px 40px;
  font-size: var(--text-lg);
}

.btn-full {
  width: 100%;
}

/* Disabled */
.btn:disabled,
.btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Icon button */
.btn-icon {
  padding: 10px;
  border-radius: var(--radius-md);
}


/* ═══════════════════════════════════════════
   CARDS
   ═══════════════════════════════════════════ */

.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: transform var(--duration-default) var(--ease-in-out-smooth),
              box-shadow var(--duration-default) var(--ease-in-out-smooth),
              border-color var(--duration-default) var(--ease-in-out-smooth);
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-dark);
  box-shadow: var(--shadow-xl), var(--shadow-premium);
}

.card--flat {
  border: none;
  box-shadow: none;
  transition: transform var(--duration-default) var(--ease-in-out-smooth),
              box-shadow var(--duration-default) var(--ease-in-out-smooth);
}

.card--flat:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), var(--shadow-premium);
}

.card--elevated {
  border: none;
  box-shadow: var(--shadow-md);
  transition: transform var(--duration-default) var(--ease-in-out-smooth),
              box-shadow var(--duration-default) var(--ease-in-out-smooth);
}

.card--elevated:hover {
  box-shadow: var(--shadow-xl), var(--shadow-premium);
  transform: translateY(-6px);
}

/* Specific slate-card style for dashboard statistics */
.card-stat {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-white) 0%, var(--color-bg-alt) 100%);
}

.card-stat::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--color-accent);
}


/* ═══════════════════════════════════════════
   BADGES / ROZETLER
   ═══════════════════════════════════════════ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 4px 12px;
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  border-radius: var(--radius-full);
  white-space: nowrap;
  line-height: 1.4;
}

.badge-bireysel {
  background-color: var(--color-gray-900);
  color: var(--color-white);
}

.badge-kurumsal {
  background-color: var(--color-gray-600);
  color: var(--color-white);
}

.badge-onayli {
  background-color: var(--color-success);
  color: var(--color-white);
}

.badge-brans {
  background-color: var(--color-gray-100);
  color: var(--color-gray-700);
  border: 1px solid var(--color-border);
}

/* Status badges */
.badge-status {
  font-size: var(--text-xs);
  padding: 4px 10px;
}

.badge-yeni {
  background-color: #EFF6FF;
  color: #1D4ED8;
}

.badge-inceleniyor {
  background-color: #FFF7ED;
  color: #C2410C;
}

.badge-fiyatlandirildi {
  background-color: #F0FDF4;
  color: #15803D;
}

.badge-atandi {
  background-color: #FAF5FF;
  color: #7E22CE;
}

.badge-devam {
  background-color: #FFFBEB;
  color: #B45309;
}

.badge-tamamlandi {
  background-color: var(--color-gray-900);
  color: var(--color-white);
}

.badge-reddedildi {
  background-color: #FEF2F2;
  color: #DC2626;
}

.badge-beklemede {
  background-color: var(--color-gray-100);
  color: var(--color-gray-600);
}


/* ═══════════════════════════════════════════
   FORM ELEMENTS
   ═══════════════════════════════════════════ */

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form-label .required {
  color: var(--color-error);
  margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: var(--text-base);
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--duration-default) var(--ease-in-out-smooth),
              box-shadow var(--duration-default) var(--ease-in-out-smooth);
  appearance: none;
  -webkit-appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-light);
}

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

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.08);
}

.form-error {
  font-size: var(--text-sm);
  color: var(--color-error);
  margin-top: var(--space-1);
  display: none;
}

.form-error.visible {
  display: block;
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B7280' d='M6 8.825L.35 3.175 1.425 2.1 6 6.675 10.575 2.1l1.075 1.075z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  cursor: pointer;
}

.form-hint {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* Checkbox & Radio */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  padding: var(--space-2) 0;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-gray-300);
  border-radius: 4px;
  cursor: pointer;
  accent-color: var(--color-accent);
  flex-shrink: 0;
}

.form-check input[type="radio"] {
  border-radius: 50%;
}

.form-check-label {
  font-size: var(--text-base);
  color: var(--color-text);
  cursor: pointer;
}

/* File Upload */
.form-file-upload {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  text-align: center;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-default);
  background: var(--color-bg-alt);
}

.form-file-upload:hover {
  border-color: var(--color-gray-400);
  background: var(--color-gray-100);
}

.form-file-upload.dragover {
  border-color: var(--color-black);
  background: var(--color-gray-100);
}

.form-file-upload svg {
  width: 40px;
  height: 40px;
  margin: 0 auto var(--space-3);
  color: var(--color-text-muted);
}

.form-file-upload p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

.form-file-upload .browse-link {
  color: var(--color-black);
  font-weight: var(--font-semibold);
  text-decoration: underline;
}

/* File Preview */
.file-preview-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.file-preview-item {
  position: relative;
  width: 80px;
  height: 80px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.file-preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.file-preview-item .remove-btn {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-black);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  cursor: pointer;
  border: none;
  line-height: 1;
}

/* Form Row (2 cols) */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

@media (max-width: 768px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}


/* ═══════════════════════════════════════════
   TOGGLE SWITCH
   ═══════════════════════════════════════════ */

.toggle-group {
  display: flex;
  background: var(--color-gray-100);
  border-radius: var(--radius-lg);
  padding: 4px;
  gap: 4px;
}

.toggle-option {
  flex: 1;
  padding: 12px 24px;
  text-align: center;
  border-radius: var(--radius-md);
  font-weight: var(--font-medium);
  font-size: var(--text-base);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-default);
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
}

.toggle-option.active {
  background: var(--color-black);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.toggle-option:hover:not(.active) {
  color: var(--color-text);
  background: var(--color-gray-200);
}


/* ═══════════════════════════════════════════
   MODAL
   ═══════════════════════════════════════════ */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-normal) var(--ease-default);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-2xl);
  transform: scale(0.95) translateY(10px);
  transition: transform var(--duration-normal) var(--ease-default);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal--lg {
  max-width: 900px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.modal-header h3 {
  margin: 0;
  font-size: var(--text-xl);
}

.modal-close {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-default);
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  border: none;
  background: none;
}

.modal-close:hover {
  background: var(--color-gray-100);
}

.modal-body {
  padding: var(--space-6);
}

.modal-footer {
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
  padding: var(--space-6);
  border-top: 1px solid var(--color-border);
}


/* ═══════════════════════════════════════════
   TOAST NOTIFICATIONS
   ═══════════════════════════════════════════ */

.toast-container {
  position: fixed;
  top: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 320px;
  max-width: 440px;
  animation: slideInRight 0.3s var(--ease-out);
}

.toast-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
  margin-bottom: 2px;
}

.toast-message {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

.toast-close {
  cursor: pointer;
  color: var(--color-text-muted);
  background: none;
  border: none;
  font-size: var(--text-lg);
  padding: 0;
  line-height: 1;
}

.toast.toast-success { border-left: 4px solid var(--color-success); }
.toast.toast-error   { border-left: 4px solid var(--color-error); }
.toast.toast-warning { border-left: 4px solid var(--color-warning); }
.toast.toast-info    { border-left: 4px solid var(--color-info); }

.toast.removing {
  animation: slideOutRight 0.3s var(--ease-in) forwards;
}

@keyframes slideOutRight {
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

@media (max-width: 480px) {
  .toast-container {
    left: var(--space-4);
    right: var(--space-4);
  }
  .toast {
    min-width: auto;
    max-width: 100%;
  }
}


/* ═══════════════════════════════════════════
   NAVBAR
   ═══════════════════════════════════════════ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  z-index: var(--z-navbar);
  transition: all var(--duration-normal) var(--ease-default);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.navbar-logo img {
  height: 36px;
  width: auto;
}

.navbar-logo-text {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.navbar-logo-text span {
  color: inherit;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.navbar-link {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-default);
  position: relative;
}

.navbar-link:hover,
.navbar-link.active {
  color: var(--color-text);
}

.navbar-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-black);
  border-radius: 1px;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Mobile Toggle */
.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-2);
  background: none;
  border: none;
}

.navbar-toggle span {
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: all var(--duration-normal) var(--ease-default);
}

.navbar-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translateY(5px) translateX(5px);
}

.navbar-toggle.active span:nth-child(2) {
  opacity: 0;
}

.navbar-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translateY(-5px) translateX(5px);
}

/* Mobile Menu */
.navbar-mobile-menu {
  display: none;
  position: fixed;
  top: var(--navbar-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-white);
  padding: var(--space-6);
  flex-direction: column;
  gap: var(--space-2);
  z-index: var(--z-navbar);
  animation: fadeIn 0.2s var(--ease-out);
}

.navbar-mobile-menu.active {
  display: flex;
}

.navbar-mobile-link {
  display: block;
  padding: var(--space-4);
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  color: var(--color-text);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: background var(--duration-fast) var(--ease-default);
}

.navbar-mobile-link:hover {
  background: var(--color-bg-alt);
  color: var(--color-text);
}

.navbar-mobile-actions {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

@media (max-width: 768px) {
  .navbar {
    height: var(--navbar-height-mobile);
  }

  .navbar-menu,
  .navbar-actions {
    display: none;
  }

  .navbar-toggle {
    display: flex;
  }

  .navbar-mobile-menu {
    top: var(--navbar-height-mobile);
  }
}


/* ═══════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════ */

.footer {
  background: var(--color-gray-900);
  color: var(--color-white);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

.footer-brand p {
  color: var(--color-gray-400);
  font-size: var(--text-sm);
  margin-top: var(--space-4);
  line-height: var(--leading-relaxed);
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-gray-400);
  margin-bottom: var(--space-5);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-link {
  font-size: var(--text-sm);
  color: var(--color-gray-300);
  transition: color var(--duration-fast) var(--ease-default);
}

.footer-link:hover {
  color: var(--color-white);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-gray-800);
}

.footer-copyright {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  margin: 0;
}

.footer-social {
  display: flex;
  gap: var(--space-4);
}

.footer-social a {
  color: var(--color-gray-400);
  transition: color var(--duration-fast) var(--ease-default);
}

.footer-social a:hover {
  color: var(--color-white);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .footer-brand {
    grid-column: span 2;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-brand {
    grid-column: span 1;
  }
}


/* ═══════════════════════════════════════════
   MISC
   ═══════════════════════════════════════════ */

/* Divider */
.divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-8) 0;
}

/* Loading Spinner */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--color-gray-200);
  border-top-color: var(--color-black);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--space-12);
  color: var(--color-text-muted);
}

.empty-state svg {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
  opacity: 0.4;
}

.empty-state h4 {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.empty-state p {
  font-size: var(--text-sm);
  margin: 0;
}

/* Tags */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  background: var(--color-gray-100);
  color: var(--color-gray-700);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
}

/* Avatar */
.avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-semibold);
  font-size: var(--text-lg);
  color: var(--color-gray-600);
  flex-shrink: 0;
  overflow: hidden;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-sm { width: 36px; height: 36px; font-size: var(--text-sm); }
.avatar-lg { width: 64px; height: 64px; font-size: var(--text-xl); }
.avatar-xl { width: 80px; height: 80px; font-size: var(--text-2xl); }

/* Page top spacer for fixed navbar */
.page-content {
  padding-top: var(--navbar-height);
}

@media (max-width: 768px) {
  .page-content {
    padding-top: var(--navbar-height-mobile);
  }
}