/* ===== Planning Poker Professional Theme ===== */

/* Import Google Fonts for better typography */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ===== CSS Custom Properties (Design System) ===== */
:root {
  /* Professional Color Palette */
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-200: #bfdbfe;
  --primary-300: #93c5fd;
  --primary-400: #60a5fa;
  --primary-500: #3b82f6;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --primary-800: #1e40af;
  --primary-900: #1e3a8a;

  /* Planning Poker Accent Colors */
  --accent-50: #fef3c7;
  --accent-100: #fed7aa;
  --accent-200: #fdba74;
  --accent-300: #fb923c;
  --accent-400: #f97316;
  --accent-500: #ea580c;
  --accent-600: #dc2626;

  /* Neutral Colors */
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;

  /* Success/Error Colors */
  --success-50: #dcfdf7;
  --success-500: #10b981;
  --success-600: #059669;
  --error-50: #fef2f2;
  --error-500: #ef4444;
  --error-600: #dc2626;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
}

/* ===== Global Styles ===== */
* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  font-weight: var(--font-weight-normal);
  line-height: 1.6;
  color: var(--gray-700);
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--primary-50) 100%);
  min-height: 100vh;
}

/* ===== Typography Enhancement ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-semibold);
  line-height: 1.3;
  color: var(--gray-800);
  margin-bottom: 0.75rem;
}

.display-4 {
  font-weight: var(--font-weight-bold);
  background: linear-gradient(135deg, var(--primary-600), var(--primary-800));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lead {
  font-size: 1.125rem;
  font-weight: var(--font-weight-normal);
  color: var(--gray-600);
}

/* ===== Enhanced Navbar ===== */
.navbar {
  background: linear-gradient(135deg, var(--primary-700) 0%, var(--primary-800) 100%) !important;
  box-shadow: var(--shadow-lg);
  border-bottom: 1px solid var(--primary-600);
  backdrop-filter: blur(10px);
  padding: 1rem 0;
  position: relative;
  z-index: 1030;
}

.navbar-brand {
  font-size: 1.75rem;
  font-weight: var(--font-weight-bold);
  color: white !important;
  text-decoration: none;
}

.navbar-brand:hover {
  color: var(--accent-100) !important;
  transition: color 0.2s ease;
}

.navbar-text {
  font-weight: var(--font-weight-medium);
  color: var(--primary-100) !important;
}

/* ===== Dropdown Menu Z-Index Fix ===== */
.dropdown-menu {
  z-index: 1050 !important;
  position: absolute !important;
}

.nav-item.dropdown {
  position: relative;
}

.dropdown-toggle::after {
  margin-left: 0.5rem;
}

/* ===== Professional Card Styling ===== */
.card {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background: white;
  backdrop-filter: blur(10px);
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-2px);
  border-color: var(--primary-300);
}

.card-header {
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
  border-bottom: 1px solid var(--gray-200);
  padding: 1.25rem 1.5rem;
  font-weight: var(--font-weight-semibold);
}

.card-body {
  padding: 1.5rem;
}

.card-title {
  font-size: 1.25rem;
  font-weight: var(--font-weight-semibold);
  color: var(--gray-800);
  margin-bottom: 1rem;
}

/* ===== Enhanced Buttons ===== */
.btn {
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-medium);
  padding: 0.75rem 1.5rem;
  border: none;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-success {
  background: linear-gradient(135deg, var(--success-500) 0%, var(--success-600) 100%);
  color: white;
}

.btn-success:hover {
  background: linear-gradient(135deg, var(--success-600) 0%, #047857 100%);
  transform: translateY(-1px);
}

.btn-outline-primary {
  border: 2px solid var(--primary-500);
  color: var(--primary-600);
  background: white;
}

.btn-outline-primary:hover {
  background: var(--primary-500);
  color: white;
  border-color: var(--primary-500);
  transform: translateY(-1px);
}

/* ===== Fibonacci Voting Cards - Professional Design ===== */
.fibonacci-card {
  min-width: 70px;
  min-height: 70px;
  border-radius: var(--radius-lg);
  font-weight: var(--font-weight-bold);
  font-size: 1.5rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 2px solid var(--primary-300);
  background: linear-gradient(135deg, white 0%, var(--primary-50) 100%);
  color: var(--primary-700);
  position: relative;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}

.fibonacci-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--primary-100), var(--primary-200));
  opacity: 0;
  transition: opacity 0.3s ease;
  border-radius: var(--radius-lg);
}

.fibonacci-card:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-400);
}

.fibonacci-card:hover::before {
  opacity: 1;
}

.fibonacci-card.btn-primary {
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
  border-color: var(--primary-600);
  color: white;
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-lg);
}

.fibonacci-card:active {
  transform: translateY(-1px) scale(0.98);
}

/* ===== Form Enhancements ===== */
.form-control {
  border: 2px solid var(--gray-300);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-size: 1rem;
  transition: all 0.2s ease;
  background: white;
}

.form-control:focus {
  border-color: var(--primary-400);
  box-shadow: 0 0 0 3px var(--primary-100);
  outline: none;
}

.form-label {
  font-weight: var(--font-weight-medium);
  color: var(--gray-700);
  margin-bottom: 0.5rem;
}

.input-group .btn {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

.input-group .form-control {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  border-right: none;
}

/* ===== Enhanced Badges and Status Indicators ===== */
.badge {
  font-size: 0.75rem;
  font-weight: var(--font-weight-medium);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
}

.badge.bg-primary {
  background: linear-gradient(135deg, var(--primary-500), var(--primary-600)) !important;
}

.badge.bg-success {
  background: linear-gradient(135deg, var(--success-500), var(--success-600)) !important;
}

.badge.bg-warning {
  background: linear-gradient(135deg, var(--accent-400), var(--accent-500)) !important;
  color: white;
}

.badge.bg-secondary {
  background: linear-gradient(135deg, var(--gray-400), var(--gray-500)) !important;
}

/* ===== List Group Improvements ===== */
.list-group-item {
  border: 1px solid var(--gray-200);
  padding: 1rem;
  transition: all 0.2s ease;
  background: white;
}

.list-group-item:hover {
  background: var(--gray-50);
  border-color: var(--primary-300);
}

.list-group-item:first-child {
  border-top-left-radius: var(--radius-md);
  border-top-right-radius: var(--radius-md);
}

.list-group-item:last-child {
  border-bottom-left-radius: var(--radius-md);
  border-bottom-right-radius: var(--radius-md);
}

/* ===== Modal Enhancements ===== */
.modal-content {
  border-radius: var(--radius-lg);
  border: none;
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(10px);
}

.modal-header {
  border-bottom: 1px solid var(--gray-200);
  padding: 1.5rem;
  background: linear-gradient(135deg, var(--gray-50) 0%, white 100%);
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-lg);
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  border-top: 1px solid var(--gray-200);
  padding: 1.5rem;
  background: var(--gray-50);
}

.modal-title {
  font-weight: var(--font-weight-semibold);
  color: var(--gray-800);
}

/* ===== Accordion Improvements ===== */
.accordion-item {
  border: 1px solid var(--gray-200);
  margin-bottom: 0.5rem;
  border-radius: var(--radius-lg) !important;
  overflow: hidden;
}

.accordion-button {
  background: linear-gradient(135deg, var(--gray-50) 0%, white 100%);
  color: var(--gray-700);
  font-weight: var(--font-weight-medium);
  border: none;
  padding: 1.25rem 1.5rem;
}

.accordion-button:not(.collapsed) {
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--primary-100) 100%);
  color: var(--primary-700);
}

.accordion-button:focus {
  box-shadow: 0 0 0 3px var(--primary-100);
  border-color: var(--primary-400);
}

.accordion-body {
  background: white;
  padding: 1.5rem;
}

/* ===== Alert Enhancements ===== */
.alert {
  border: none;
  border-radius: var(--radius-lg);
  padding: 1rem 1.5rem;
  border-left: 4px solid;
}

.alert-success {
  background: linear-gradient(135deg, var(--success-50) 0%, #ecfdf5 100%);
  border-left-color: var(--success-500);
  color: var(--success-600);
}

.alert-warning {
  background: linear-gradient(135deg, var(--accent-50) 0%, #fffbeb 100%);
  border-left-color: var(--accent-400);
  color: var(--accent-600);
}

/* ===== Progress and Loading States ===== */
.progress {
  height: 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--gray-200);
  overflow: hidden;
}

.progress-bar {
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
  transition: width 0.6s ease;
}

/* ===== Animation Enhancements ===== */
@keyframes slideInUp {
  from {
    transform: translateY(30px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.8;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

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

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

.slide-in-up {
  animation: slideInUp 0.5s ease-out;
}

.pulse-animation {
  animation: pulse 2s ease-in-out infinite;
}

/* ===== Responsive Design Enhancements ===== */
@media (max-width: 768px) {
  .fibonacci-card {
    min-width: 60px;
    min-height: 60px;
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
  }

  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .card-body {
    padding: 1.25rem;
  }

  .btn {
    padding: 0.625rem 1.25rem;
  }

  .modal-content {
    margin: 1rem;
  }
}

/* ===== Utility Classes ===== */
.text-gradient-primary {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-800));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.bg-gradient-primary {
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%) !important;
}

.shadow-custom {
  box-shadow: var(--shadow-lg);
}

.border-gradient {
  border: 2px solid transparent;
  background: linear-gradient(white, white) padding-box,
              linear-gradient(135deg, var(--primary-300), var(--primary-500)) border-box;
}

/* ===== Status and Member Indicators ===== */
.member-status {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-left: 8px;
  position: relative;
  box-shadow: 0 0 0 2px white;
}

.member-status.voted {
  background: linear-gradient(135deg, var(--success-400), var(--success-500));
  animation: pulse 2s ease-in-out infinite;
}

.member-status.waiting {
  background: linear-gradient(135deg, var(--accent-300), var(--accent-400));
}

.member-status.offline {
  background: linear-gradient(135deg, var(--gray-400), var(--gray-500));
}

/* ===== Special Effects ===== */
.glass-effect {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hover-lift:hover {
  transform: translateY(-4px);
  transition: transform 0.3s ease;
}

.vote-count-animation {
  animation: pulse 0.8s ease-in-out;
  color: var(--primary-600);
  font-weight: var(--font-weight-semibold);
}

/* ===== Loading States ===== */
.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 1s ease-in-out infinite;
}

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

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

.btn:disabled:hover {
  transform: none !important;
}

/* ===== Toast Notification System ===== */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  max-width: 400px;
}

.toast-notification {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  margin-bottom: 12px;
  padding: 16px 20px;
  border-left: 4px solid;
  opacity: 0;
  transform: translateX(100%);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  max-width: 100%;
  word-wrap: break-word;
}

.toast-notification.show {
  opacity: 1;
  transform: translateX(0);
}

.toast-notification.success {
  border-left-color: var(--success-500);
  background: linear-gradient(135deg, var(--success-50) 0%, white 100%);
}

.toast-notification.error {
  border-left-color: var(--error-500);
  background: linear-gradient(135deg, var(--error-50) 0%, white 100%);
}

.toast-notification.warning {
  border-left-color: var(--accent-400);
  background: linear-gradient(135deg, var(--accent-50) 0%, white 100%);
}

.toast-notification.info {
  border-left-color: var(--primary-500);
  background: linear-gradient(135deg, var(--primary-50) 0%, white 100%);
}

.toast-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.toast-title {
  font-weight: var(--font-weight-semibold);
  font-size: 0.95rem;
  color: var(--gray-800);
  display: flex;
  align-items: center;
}

.toast-title i {
  margin-right: 8px;
}

.toast-message {
  color: var(--gray-600);
  font-size: 0.9rem;
  line-height: 1.4;
}

.toast-close {
  background: none;
  border: none;
  color: var(--gray-400);
  cursor: pointer;
  padding: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.2s ease;
}

.toast-close:hover {
  background: var(--gray-100);
  color: var(--gray-600);
}

/* Toast icon colors */
.toast-notification.success .toast-title i {
  color: var(--success-600);
}

.toast-notification.error .toast-title i {
  color: var(--error-600);
}

.toast-notification.warning .toast-title i {
  color: var(--accent-500);
}

.toast-notification.info .toast-title i {
  color: var(--primary-600);
}

/* Responsive toast */
@media (max-width: 768px) {
  .toast-container {
    left: 20px;
    right: 20px;
    top: 20px;
    max-width: none;
  }

  .toast-notification {
    font-size: 0.9rem;
    padding: 14px 16px;
  }
}