/* ===== ENHANCED ROOT VARIABLES ===== */
:root {
  /* Brand Colors */
  --primary: #6c5ce7;
  --primary-dark: #5649c0;
  --primary-light: #a29bfe;
  --accent: #fd79a8;
  --accent-dark: #e84393;
  --secondary: #00b894;
  --secondary-dark: #00a884;
  
  /* System Colors */
  --success: var(--secondary);
  --warning: #fdcb6e;
  --error: #d63031;
  --info: #0984e3;
  
  /* Enhanced Grayscale */
  --white: #ffffff;
  --gray-1: #f8f9fa;
  --gray-2: #e9ecef;
  --gray-3: #dee2e6;
  --gray-4: #adb5bd;
  --gray-5: #6c757d;
  --gray-6: #495057;
  --gray-7: #343a40;
  --gray-8: #212529;
  --black: #000000;
  
  /* Improved Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 12px 28px rgba(0,0,0,0.12);
  --shadow-primary: 0 4px 20px rgba(108, 92, 231, 0.25);
  --shadow-success: 0 4px 20px rgba(0, 184, 148, 0.25);
  
  /* Typography */
  --font-family: 'Segoe UI', 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
  --line-height: 1.6;
  --font-size-base: 1rem;
  
  /* Enhanced Spacing System */
  --space-xxs: 0.125rem;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-xxl: 3rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-round: 50%;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-slow: 0.45s ease;
  
  /* Breakpoints */
  --mobile: 576px;
  --tablet: 768px;
  --desktop: 992px;
  --large-desktop: 1200px;
}

/* ===== BASE ENHANCEMENTS ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  line-height: var(--line-height);
  color: var(--gray-8);
  background-color: var(--gray-1);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: var(--font-size-base);
}

.dashboard-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ===== IMPROVED HEADER ===== */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) var(--space-lg);
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  transition: var(--transition-normal);
}

.logo-container:hover {
  opacity: 0.9;
}

.brand-logo {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-round);
  object-fit: cover;
  border: 2px solid var(--primary-light);
  transition: var(--transition-normal);
}

.brand-logo:hover {
  transform: rotate(15deg);
}

.logo-container h1 {
  font-size: 1.4rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--accent-dark));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ===== AUTH BUTTON ENHANCEMENTS ===== */
.auth-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition-normal);
  cursor: pointer;
  border: none;
  box-shadow: var(--shadow-sm);
}

#login-btn {
  background-color: var(--white);
  color: var(--gray-7);
  border: 1px solid var(--gray-3);
}

#login-btn:hover {
  background-color: var(--gray-1);
  box-shadow: var(--shadow-md);
}

#logout-btn {
  background-color: var(--gray-1);
  color: var(--gray-7);
}

#logout-btn:hover {
  background-color: var(--gray-2);
  box-shadow: var(--shadow-md);
}

/* ===== MAIN CONTENT IMPROVEMENTS ===== */
.app-main {
  flex: 1;
  padding: var(--space-lg);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

/* ===== ENHANCED USER CARD ===== */
.user-card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  transition: var(--transition-normal);
}

.user-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.user-avatar {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-round);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.8rem;
  font-weight: bold;
  background: linear-gradient(135deg, var(--primary), var(--accent-dark));
  margin: 0 auto;
}

.user-details {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.user-email {
  color: var(--gray-6);
  font-size: 0.95rem;
  text-align: center;
  word-break: break-all;
}

.balance-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.balance-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  text-align: center;
}

.balance-label {
  font-weight: 500;
  color: var(--gray-6);
  font-size: 0.95rem;
}

.balance-amount {
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary-dark);
}

.button-group {
  display: flex;
  gap: var(--space-sm);
  width: 100%;
}

/* ===== BUTTON ENHANCEMENTS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: var(--transition-normal);
  flex: 1;
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
}

.btn i {
  font-size: 0.95em;
}

.balance-btn {
  background-color: var(--primary);
  color: var(--white);
}

.balance-btn:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-primary);
}

.international-btn {
  background-color: var(--success);
  color: var(--white);
}

.international-btn:hover {
  background-color: var(--secondary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-success);
}

/* ===== ENHANCED ORDER CARD ===== */
.order-card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
}

.order-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.section-title {
  color: var(--primary-dark);
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.25rem;
}

.section-title i {
  color: var(--accent);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-label {
  font-size: 0.9rem;
  color: var(--gray-7);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 500;
}

.form-select, .form-input {
  padding: var(--space-md);
  border: 1px solid var(--gray-3);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition-normal);
  width: 100%;
  background-color: var(--white);
}

.form-select:focus, .form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.15);
}

.form-hint {
  font-size: 0.8rem;
  color: var(--gray-5);
  font-style: italic;
}

.primary-btn {
  background-color: var(--primary);
  color: var(--white);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-lg);
  font-weight: 600;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  transition: var(--transition-normal);
  width: 100%;
  box-shadow: var(--shadow-sm);
}

.primary-btn:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-primary);
}

.primary-btn i {
  transition: var(--transition-normal);
}

.primary-btn:hover i {
  transform: translateX(2px);
}

/* ===== ENHANCED INFO CARD ===== */
.info-card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
}

.info-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.info-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.info-header h3 {
  color: var(--info);
  font-size: 1.2rem;
}

.info-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.warning-text {
  color: var(--gray-7);
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.95rem;
  line-height: 1.5;
}

.warning-text strong {
  color: var(--warning);
}

.guide-steps {
  background-color: var(--gray-1);
  padding: var(--space-md);
  border-radius: var(--radius-md);
}

.guide-steps ol {
  padding-left: var(--space-lg);
  margin-top: var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.guide-steps li {
  margin-bottom: 0;
  line-height: 1.5;
}

.screenshot-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--primary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition-fast);
  font-weight: 500;
}

.screenshot-link:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

.service-info {
  margin-top: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.service-info p {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.9rem;
  color: var(--gray-6);
}

/* ===== FOOTER ENHANCEMENTS ===== */
.app-footer {
  text-align: center;
  padding: var(--space-lg);
  background-color: var(--white);
  color: var(--gray-6);
  font-size: 0.9rem;
  box-shadow: 0 -1px 3px rgba(0,0,0,0.05);
  margin-top: auto;
}

.made-with-love {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
  color: var(--gray-5);
}

.made-with-love i {
  color: var(--accent);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (min-width: 768px) {
  .app-header {
    padding: var(--space-md) var(--space-xl);
  }
  
  .logo-container h1 {
    font-size: 1.5rem;
  }
  
  .app-main {
    padding: var(--space-xl);
    grid-template-columns: 1fr 1fr;
  }
  
  .form-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }
  
  .user-card {
    flex-direction: row;
    align-items: center;
  }
  
  .user-avatar {
    margin: 0;
    width: 80px;
    height: 80px;
  }
  
  .user-email {
    text-align: left;
  }
  
  .balance-card {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  
  .balance-info {
    text-align: left;
    flex: 1;
  }
  
  .button-group {
    width: auto;
    flex: 0 0 auto;
  }
  
  .btn {
    padding: var(--space-sm) var(--space-md);
    flex: 0 0 auto;
  }
}

@media (min-width: 992px) {
  .app-main {
    grid-template-columns: 1fr 1.5fr;
  }
  
  .user-card {
    align-self: start;
  }
}

/* ===== UTILITY CLASSES ===== */
.hidden {
  display: none !important;
}

.animate-fade {
  animation: fadeIn 0.5s ease forwards;
}

.animate-slide-up {
  animation: slideUp 0.5s ease forwards;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { 
    opacity: 0;
    transform: translateY(20px);
  }
  to { 
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== LOADING STATES ===== */
.loading-spinner {
  display: inline-block;
  width: 1em;
  height: 1em;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  border-top-color: var(--white);
  animation: spin 1s ease-in-out infinite;
}

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

/* ===== RESPONSE MESSAGE ENHANCEMENTS ===== */
.response-message {
  margin-top: var(--space-md);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  text-align: center;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.response-message.success {
  background-color: rgba(0, 184, 148, 0.1);
  color: var(--success);
  border: 1px solid rgba(0, 184, 148, 0.2);
}

.response-message.error {
  background-color: rgba(214, 48, 49, 0.1);
  color: var(--error);
  border: 1px solid rgba(214, 48, 49, 0.2);
}

.support-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  color: var(--primary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition-fast);
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
}

.support-link:hover {
  background-color: rgba(108, 92, 231, 0.1);
  color: var(--primary-dark);
}

.custom-dropdown {
  position: relative;
  width: 100%;
}

.dropdown-btn {
  background: #f9f9f9;
  border: 1px solid #ccc;
  padding: 10px;
  width: 100%;
  text-align: left;
  cursor: pointer;
  font-size: 14px;
  border-radius: 6px;
}

.arrow {
  float: right;
}

.dropdown-content {
  display: none;
  position: absolute;
  background: #fff;
  border: 1px solid #ddd;
  width: 100%;
  z-index: 1000;
  max-height: 300px;
  overflow-y: auto;
  border-radius: 6px;
  margin-top: 4px;
}

.service-option {
  padding: 8px;
  border-bottom: 1px solid #eee;
  cursor: pointer;
}

#service-options {
  display: none;
  position: absolute;
  background: #fff;
  border: 1px solid #ccc;
  z-index: 1000;
}

#service-options.show {
  display: block;
}

.service-option:hover {
  background: #f2f2f2;
}

.service-option .id {
  background: #e74c3c;
  color: white;
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 12px;
}

.details {
  font-size: 12px;
  color: #555;
  margin-top: 2px;
}

/* ===== NAVIGATION MENU (HAMBURGER) ===== */
.nav-menu {
  position: relative;
}

.menu-toggle {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--gray-7);
  transition: var(--transition-fast);
}

.menu-toggle:hover {
  color: var(--primary);
}

.menu-links {
  list-style: none;
  margin: 0;
  padding: 0;
  position: absolute;
  right: 0;
  top: 60px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: none;
  flex-direction: column;
  min-width: 200px;
  z-index: 1100;
  animation: fadeIn 0.25s ease;
}

.menu-links li {
  border-bottom: 1px solid var(--gray-2);
}

.menu-links li:last-child {
  border-bottom: none;
}

.menu-links a,
.menu-links button.logout-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--gray-7);
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  transition: var(--transition-fast);
}

.menu-links a:hover {
  background: var(--gray-1);
  color: var(--primary-dark);
}

.logout-link {
  color: var(--error);
}

.logout-link:hover {
  background: rgba(214, 48, 49, 0.08);
  color: var(--error);
}

/* ===== RESPONSIVE NAVIGATION ===== */
@media (min-width: 768px) {
  .menu-toggle {
    font-size: 1.7rem;
  }
}