@import url('https://fonts.googleapis.com/css2?family=Roboto+Slab:wght@400;700&display=swap');

:root {
  --wesbos: #ffa85a;
  --background-color: rgba(0, 0, 0, 0.8);
  --mobile-bg-color: #616c5c;
  --menu-font: 'Roboto Slab', serif;
  --transition-speed: 0.3s;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  background-color: #616c5c;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.container {
  width: 100%;
  max-width: 1000px;
  margin: 20px auto;
  padding: 20px;
  background-color: var(--background-color);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - 40px);
  overflow-x: hidden;
}

.header {
  text-align: center;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 4px solid var(--wesbos);
}

.header h1 {
  font: 50px var(--menu-font);
  color: var(--wesbos);
  margin-bottom: 5px;
  letter-spacing: 2px;
}

.header p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 16px;
  font-family: var(--menu-font);
}

.nav {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.nav-link {
  text-decoration: none;
  color: #fff;
  padding: 10px 20px;
  border: 1px solid var(--wesbos);
  border-radius: 3px;
  background-color: transparent;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-family: var(--menu-font);
  transition: all var(--transition-speed);
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.nav-link:hover,
.nav-link:focus {
  background-color: var(--wesbos);
  color: #000;
}

.nav-link-logout {
  border-color: #e74c3c;
}

.nav-link-logout:hover {
  background-color: #e74c3c;
}

.content {
  flex-grow: 1;
}

.footer {
  text-align: center;
  padding-top: 20px;
  margin-top: auto;
  border-top: 1px solid var(--wesbos);
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  font-family: var(--menu-font);
}

.flash-messages {
  margin-bottom: 20px;
}

.flash-message {
  padding: 15px 20px;
  border-radius: 5px;
  margin-bottom: 10px;
  font-weight: 500;
  color: #fff;
  font-family: var(--menu-font);
}

.flash-success {
  background-color: rgba(76, 175, 80, 0.2);
  border: 2px solid #4caf50;
}

.flash-error {
  background-color: rgba(244, 67, 54, 0.2);
  border: 2px solid #f44336;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
  padding-bottom: 15px;
  border-bottom: 4px solid var(--wesbos);
  flex-wrap: wrap;
  gap: 15px;
}

.page-header h1 {
  font: 40px var(--menu-font);
  color: var(--wesbos);
  letter-spacing: 1px;
  margin: 0;
}

.page-subtitle {
  color: rgba(255, 255, 255, 0.8);
  font-family: var(--menu-font);
  font-size: 16px;
  margin: 0;
}

.section {
  margin-bottom: 40px;
}

.section h2 {
  font: 35px var(--menu-font);
  color: #fff;
  border-bottom: 2px solid var(--wesbos);
  padding-bottom: 10px;
  margin-bottom: 20px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.stat-card {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 30px;
  border-radius: 5px;
  text-align: center;
  border-left: 4px solid var(--wesbos);
}

.stat-value {
  font: 50px var(--menu-font);
  color: var(--wesbos);
  font-weight: bold;
  margin-bottom: 10px;
}

.stat-label {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.9);
  font-family: var(--menu-font);
}

.categories-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.category-card {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 20px;
  border-radius: 5px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-speed);
}

.category-card:hover {
  background-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.category-card h3 {
  color: var(--wesbos);
  margin-bottom: 5px;
  font: 28px var(--menu-font);
}

.category-card p {
  color: rgba(255, 255, 255, 0.7);
  font-style: italic;
  margin-bottom: 15px;
  font-family: var(--menu-font);
}

.category-meta {
  margin-bottom: 15px;
  color: rgba(255, 255, 255, 0.9);
  font-weight: bold;
  font-size: 16px;
  font-family: var(--menu-font);
}

.category-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.quick-actions {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.btn {
  padding: 10px 20px;
  border: 1px solid var(--wesbos);
  border-radius: 3px;
  cursor: pointer;
  font-size: 1em;
  text-decoration: none;
  display: inline-block;
  transition: all var(--transition-speed);
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-family: var(--menu-font);
  background-color: transparent;
  color: #fff;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.btn:hover,
.btn:focus {
  background-color: var(--wesbos);
  color: #000;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.btn-primary {
  border-color: var(--wesbos);
}

.btn-danger {
  border-color: #e74c3c;
}

.btn-danger:hover,
.btn-danger:focus {
  background-color: #e74c3c;
}

.btn-small {
  padding: 8px 15px;
  font-size: 13px;
}

.btn-large {
  padding: 15px 30px;
  font-size: 16px;
}

.btn-secondary {
  border-color: #757575;
}

.btn-secondary:hover,
.btn-secondary:focus {
  background-color: #757575;
}

.category-section {
  background-color: rgba(255, 255, 255, 0.05);
  padding: 25px;
  border-radius: 5px;
  margin-bottom: 30px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.category-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 15px;
  margin-bottom: 25px;
  padding-bottom: 15px;
  border-bottom: 2px solid var(--wesbos);
}

.category-header h2 {
  font: 35px var(--menu-font);
  color: var(--wesbos);
  margin: 0;
  padding: 0;
  border: none;
}

.category-header small {
  color: rgba(255, 255, 255, 0.7);
  font-size: 20px;
  font-weight: normal;
  font-family: var(--menu-font);
}

.items-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.item-card {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 20px;
  border-radius: 5px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-speed);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.item-card:hover {
  background-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.item-info {
  flex-grow: 1;
}

.item-info h3 {
  color: var(--wesbos);
  margin-bottom: 5px;
  font: 28px var(--menu-font);
  line-height: 1.2;
}

.item-title-en {
  color: rgba(255, 255, 255, 0.7);
  font-style: italic;
  margin-bottom: 10px;
  font-family: var(--menu-font);
  font-size: 16px;
}

.item-price {
  color: var(--wesbos);
  font-weight: bold;
  font: 24px var(--menu-font);
  margin-bottom: 10px;
}

.item-description {
  color: rgba(255, 255, 255, 0.9);
  font-size: 14px;
  line-height: 1.4;
  margin-bottom: 15px;
  font-family: var(--menu-font);
}

.item-addons {
  background: rgba(255, 255, 255, 0.08);
  padding: 12px 15px;
  border-radius: 5px;
  border-left: 3px solid var(--wesbos);
  margin-bottom: 15px;
  font-size: 14px;
}

.item-addons strong {
  color: var(--wesbos);
  font-family: var(--menu-font);
  font-size: 15px;
}

.item-addons ul {
  margin-left: 20px;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.9);
  font-family: var(--menu-font);
}

.item-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: auto;
}

.no-items {
  text-align: center;
  padding: 40px;
  color: rgba(255, 255, 255, 0.7);
  font-style: italic;
  font-family: var(--menu-font);
  font-size: 16px;
}

.delete-form {
  display: inline;
}

.form {
  max-width: 800px;
  margin: 0 auto;
}

.form h2 {
  font: 35px var(--menu-font);
  color: #fff;
  border-bottom: 2px solid var(--wesbos);
  padding-bottom: 10px;
  margin-bottom: 20px;
  margin-top: 30px;
}

.form-group {
  margin-bottom: 25px;
}

.form-group label {
  display: block;
  margin-bottom: 10px;
  color: #fff;
  font-weight: bold;
  font-size: 16px;
  font-family: var(--menu-font);
  letter-spacing: 1px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 5px;
  font-size: 16px;
  font-family: inherit;
  background-color: rgba(0, 0, 0, 0.3);
  color: #fff;
  transition: border-color var(--transition-speed), background-color var(--transition-speed);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--wesbos);
  background-color: rgba(0, 0, 0, 0.5);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.form-group input[readonly] {
  background-color: rgba(0, 0, 0, 0.5);
  cursor: not-allowed;
  opacity: 0.7;
}

.form-help {
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  font-style: italic;
  font-family: var(--menu-font);
}

.form-actions {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 2px solid var(--wesbos);
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.addon-row {
  background: rgba(255, 255, 255, 0.08);
  padding: 20px;
  border-radius: 5px;
  margin-bottom: 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-left: 3px solid var(--wesbos);
}

.addon-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.addon-header h3 {
  color: var(--wesbos);
  font: 20px var(--menu-font);
  margin: 0;
}

.addon-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.addon-fields .form-group {
  margin-bottom: 15px;
}

#add-addon-btn {
  margin-bottom: 30px;
}

/* Login page */
body.login-page {
  background-color: #616c5c;
  padding: 20px 10px;
}

.login-container {
  background-color: var(--background-color);
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  max-width: 400px;
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.login-header {
  text-align: center;
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 4px solid var(--wesbos);
}

.login-header h1 {
  font: 40px var(--menu-font);
  color: var(--wesbos);
  margin-bottom: 10px;
  letter-spacing: 2px;
}

.login-header p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 16px;
  font-family: var(--menu-font);
}

.login-form {
  margin-bottom: 20px;
}

/* Mobile styles - < 767px */
@media (max-width: 767px) {
  body {
    padding: 0;
    display: block;
    background-color: var(--mobile-bg-color);
  }

  .container {
    padding: 15px 10px;
    margin: 0 auto;
    width: 100%;
    max-width: none;
    border-radius: 0;
    min-height: 100vh;
    background-color: var(--mobile-bg-color);
  }

  .header {
    margin-bottom: 15px;
    padding-bottom: 15px;
  }

  .header h1 {
    font-size: 28px;
  }

  .header p {
    font-size: 14px;
  }

  .nav {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    margin-bottom: 25px;
  }

  .nav-link {
    text-align: center;
    padding: 12px 20px;
    font-size: 14px;
  }

  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .page-header h1 {
    font-size: 28px;
  }

  .page-subtitle {
    font-size: 14px;
  }

  .section h2 {
    font-size: 24px;
    padding-bottom: 8px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .stat-value {
    font-size: 35px;
  }

  .stat-label {
    font-size: 16px;
  }

  .categories-list {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .category-card {
    padding: 16px;
  }

  .category-card h3 {
    font-size: 22px;
  }

  .category-meta {
    font-size: 14px;
  }

  .category-actions {
    gap: 8px;
  }

  .items-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .item-card {
    padding: 16px;
  }

  .item-info h3 {
    font-size: 20px;
  }

  .item-title-en {
    font-size: 14px;
  }

  .item-price {
    font-size: 18px;
  }

  .item-description {
    font-size: 13px;
  }

  .btn {
    padding: 10px 16px;
    font-size: 12px;
  }

  .btn-small {
    padding: 8px 12px;
    font-size: 11px;
  }

  .btn-large {
    padding: 12px 24px;
    font-size: 14px;
  }

  .category-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .category-header h2 {
    font-size: 24px;
  }

  .category-header small {
    font-size: 16px;
  }

  .form {
    max-width: 100%;
  }

  .form h2 {
    font-size: 24px;
  }

  .form-group {
    margin-bottom: 20px;
  }

  .form-group label {
    font-size: 14px;
  }

  .form-group input,
  .form-group textarea,
  .form-group select {
    padding: 10px 12px;
    font-size: 16px;
  }

  .form-help {
    font-size: 12px;
  }

  .addon-fields {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .addon-header h3 {
    font-size: 18px;
  }

  .quick-actions {
    flex-direction: column;
    gap: 10px;
  }

  .quick-actions .btn {
    text-align: center;
  }

  .footer {
    font-size: 12px;
    padding-top: 15px;
  }
}

/* Tablet - 480px to 767px */
@media (min-width: 480px) and (max-width: 767px) {
  .categories-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }

  .items-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
  }
}

/* Desktop - >= 768px */
@media (min-width: 768px) {
  body {
    background-color: #616c5c;
  }

  .container {
    background-color: rgba(0, 0, 0, 0.7);
  }

  .header h1 {
    font-size: 50px;
  }

  .page-header h1 {
    font-size: 40px;
  }

  .section h2 {
    font-size: 35px;
  }

  .categories-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }

  .category-card h3 {
    font-size: 28px;
  }

  .items-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }

  .item-info h3 {
    font-size: 28px;
  }

  .item-price {
    font-size: 24px;
  }

  .item-description {
    font-size: 16px;
  }

  .stat-value {
    font-size: 50px;
  }

  .stat-label {
    font-size: 18px;
  }
}

/* Desktop optimization - 1040px to 768px */
@media (max-width: 1040px) and (min-width: 768px) {
  .container {
    margin: 20px auto;
    width: calc(100% - 40px);
  }
}

/* Small mobile - < 480px */
@media (max-width: 480px) {
  .header h1 {
    font-size: 24px;
  }

  .page-header h1 {
    font-size: 24px;
  }

  .section h2 {
    font-size: 20px;
  }

  .btn {
    padding: 9px 14px;
    font-size: 11px;
    min-width: 70px;
  }

  .btn-small {
    padding: 7px 10px;
    font-size: 10px;
  }

  .category-card {
    padding: 14px;
  }

  .category-card h3 {
    font-size: 18px;
  }

  .item-card {
    padding: 14px;
  }

  .item-info h3 {
    font-size: 16px;
  }

  .item-price {
    font-size: 16px;
  }

  .item-description {
    font-size: 12px;
  }

  .stat-value {
    font-size: 30px;
  }

  .stat-label {
    font-size: 14px;
  }

  .form-group input,
  .form-group textarea,
  .form-group select {
    font-size: 16px;
  }

  .login-container {
    padding: 30px 20px;
  }

  .login-header h1 {
    font-size: 28px;
  }
}