/* ================ SAVINGS GROUP MANAGER - MASTER STYLESHEET ================ */

/* ================ CSS VARIABLES & THEMING ================ */
:root {
  /* Primary Colors - Updated to teal (#20B2AA) */
  --primary-dark: #1E7E74;
  --primary: #20B2AA;
  --primary-light: #4DB6AC;
  --secondary: #2F2F2F;
  --secondary-dark: #1a1a1a;
  --secondary-light: #808080;
  
  /* Neutral Colors */
  --white: #FFFFFF;
  --off-white: #F8F9FA;
  --light-gray: #E9ECEF;
  --medium-gray: #D7CCC8;
  --dark-gray: #6c757d;
  --black: #212529;
  
  /* Semantic Colors */
  --success: #28a745;
  --success-light: #d4edda;
  --danger: #dc3545;
  --danger-light: #f8d7da;
  --warning: #ffc107;
  --warning-light: #fff3cd;
  --info: #17a2b8;
  --info-light: #d1ecf1;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  --font-mono: 'SF Mono', 'Courier New', monospace;
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  
  /* Effects */
  --shadow-sm: 0 2px 4px rgba(32, 178, 170, 0.1);
  --shadow-md: 0 4px 6px rgba(32, 178, 170, 0.15);
  --shadow-lg: 0 10px 25px rgba(32, 178, 170, 0.2);
  --shadow-hover: 0 8px 15px rgba(32, 178, 170, 0.25);
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ================ RESET & BASE STYLES ================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-primary);
  background: linear-gradient(135deg, var(--off-white) 0%, #ffffff 100%);
  color: var(--black);
  line-height: 1.6;
  min-height: 100vh;
}

/* ================ TYPOGRAPHY ================ */
h1, h2, h3, h4, h5, h6 {
  color: var(--primary);
  margin-bottom: var(--spacing-md);
  font-weight: 600;
  line-height: 1.2;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: var(--spacing-md);
  color: var(--dark-gray);
}

/* ================ NAVIGATION ================ */
nav, .admin-nav, .member-nav {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: var(--spacing-md) var(--spacing-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-brand {
  color: var(--white);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

nav a, .nav-links a {
  color: var(--white);
  text-decoration: none;
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

nav a:hover, .nav-links a:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}

nav a.active, .nav-links a.active {
  background-color: var(--secondary);
  color: var(--white);
}

nav a.active::after, .nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 3px;
  background-color: var(--white);
  border-radius: var(--radius-sm);
}

/* ================ PANELS & CARDS ================ */
.panel {
  max-width: 1400px;
  margin: var(--spacing-xl) auto;
  padding: var(--spacing-xl);
  background-color: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  border: 1px solid var(--light-gray);
}

.panel:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.dashboard-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-xl);
}

/* ================ CARDS ================ */
.card {
  background: var(--white);
  border: 1px solid var(--medium-gray);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}

.card:hover::before {
  transform: scaleX(1);
}

.card h3 {
  color: var(--primary);
  margin-bottom: var(--spacing-md);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* ================ DASHBOARD LAYOUT ================ */
.dashboard {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.stat-card {
  background: linear-gradient(135deg, var(--white) 0%, var(--off-white) 100%);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--light-gray);
  text-align: center;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background: linear-gradient(135deg, transparent 50%, rgba(32, 178, 170, 0.1) 100%);
  border-radius: 50%;
  transform: translate(30px, -30px);
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.stat-card h3 {
  color: var(--dark-gray);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-sm);
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--spacing-xs);
  line-height: 1;
}

/* ================ FORMS ================ */
.form-section {
  background: var(--off-white);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  border: 1px solid var(--light-gray);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  flex: 1;
}

label {
  font-weight: 600;
  color: var(--primary);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

input, select, textarea {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--light-gray);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: var(--font-primary);
  transition: all var(--transition-fast);
  background-color: var(--white);
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(32, 178, 170, 0.1);
}

input:hover, select:hover, textarea:hover {
  border-color: var(--primary-light);
}

input::placeholder {
  color: var(--dark-gray);
  opacity: 0.7;
}

/* ================ BUTTONS ================ */
button, .btn-primary, .btn-secondary, .btn-danger, .btn-small {
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.btn-primary, button:not(.btn-secondary):not(.btn-danger):not(.btn-small) {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover, button:not(.btn-secondary):not(.btn-danger):not(.btn-small):hover {
  background: linear-gradient(135deg, var(--primary-dark) 0%, #166359 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background: linear-gradient(135deg, var(--secondary-dark) 0%, #000000 100%);
  transform: translateY(-2px);
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger) 0%, #bd2130 100%);
  color: var(--white);
}

.btn-danger:hover {
  background: linear-gradient(135deg, #bd2130 0%, #a71d2a 100%);
  transform: translateY(-2px);
}

.btn-small {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.8rem;
  background-color: var(--primary);
  color: var(--white);
}

.btn-small:hover {
  background-color: var(--primary-dark);
}

.btn-logout {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-logout:hover {
  background-color: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ================ TABLES ================ */
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: var(--spacing-lg) 0;
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

thead {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
}

th {
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: left;
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--white);
}

td {
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--light-gray);
  background-color: var(--white);
}

tr:last-child td {
  border-bottom: none;
}

tbody tr:hover td {
  background-color: var(--off-white);
}

tbody tr {
  transition: background-color var(--transition-fast);
}

/* ================ BADGES & TAGS ================ */
.badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge.active {
  background-color: var(--success-light);
  color: var(--success);
  border: 1px solid var(--success);
}

.badge.repaid, .badge.completed {
  background-color: var(--info-light);
  color: var(--info);
  border: 1px solid var(--info);
}

.badge.defaulted {
  background-color: var(--danger-light);
  color: var(--danger);
  border: 1px solid var(--danger);
}

.badge.savings {
  background-color: var(--success-light);
  color: var(--success);
}

.badge.loan {
  background-color: var(--warning-light);
  color: #856404;
}

.badge.fee {
  background-color: var(--danger-light);
  color: var(--danger);
}

/* ================ AUTH PAGES ================ */
.auth-page {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
}

.auth-container {
  width: 100%;
  max-width: 450px;
}

.auth-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.5s ease;
}

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

.auth-card h1 {
  text-align: center;
  color: var(--primary);
  margin-bottom: var(--spacing-sm);
}

.auth-card h2 {
  text-align: center;
  color: var(--dark-gray);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xl);
  font-weight: 400;
}

.forgot-link, .back-link {
  display: block;
  text-align: right;
  color: var(--primary);
  text-decoration: none;
  font-size: 0.9rem;
  margin-top: var(--spacing-xs);
  transition: color var(--transition-fast);
}

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

/* ================ MESSAGES ================ */
.message, .success-message, .error-message, .warning-message {
  padding: var(--spacing-md);
  border-radius: var(--radius-sm);
  margin-top: var(--spacing-lg);
  text-align: center;
  font-weight: 500;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.success-message {
  background-color: var(--success-light);
  color: var(--success);
  border: 1px solid var(--success);
}

.error-message {
  background-color: var(--danger-light);
  color: var(--danger);
  border: 1px solid var(--danger);
}

.warning-message {
  background-color: var(--warning-light);
  color: #856404;
  border: 1px solid var(--warning);
}

/* ================ MEMBER INPUTS ================ */
.member-input {
  background: linear-gradient(135deg, var(--off-white) 0%, var(--white) 100%);
  border: 2px solid var(--light-gray);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  align-items: end;
  transition: all var(--transition-normal);
}

.member-input:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.member-input label {
  font-size: 0.8rem;
  color: var(--dark-gray);
}

/* ================ CHARTS ================ */
.chart-container {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--light-gray);
  transition: all var(--transition-normal);
}

.chart-container:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

/* ================ TRANSACTIONS ================ */
.positive {
  color: var(--success);
  font-weight: 600;
}

.negative {
  color: var(--danger);
  font-weight: 600;
}

.transaction-filters {
  margin-bottom: var(--spacing-lg);
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

/* ================ RESPONSIVE DESIGN ================ */
@media (max-width: 1024px) {
  .dashboard {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
  
  .stats-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
}

@media (max-width: 768px) {
  body {
    padding: var(--spacing-sm);
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }
  
  nav, .admin-nav, .member-nav {
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
  }
  
  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .dashboard {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .panel {
    padding: var(--spacing-lg);
  }
  
  table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
  
  .member-input {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .stat-value {
    font-size: 2rem;
  }
  
  .auth-card {
    padding: var(--spacing-lg);
  }
  
  .btn-primary, button {
    width: 100%;
  }
}

/* ================ PRINT STYLES ================ */
@media print {
  nav, .btn-logout, button {
    display: none !important;
  }
  
  body {
    background: white;
    padding: 0;
  }
  
  .panel {
    box-shadow: none;
    border: 1px solid #ddd;
  }
  
  table {
    box-shadow: none;
  }
}

/* ================ UTILITY CLASSES ================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.hidden { display: none !important; }
.visible { display: block !important; }

/* ================ MODALS ================ */
.modal {
  display: none;
  position: fixed;
  z-index: 9999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.5);
  animation: fadeIn 0.3s ease;
}

.modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background-color: var(--white);
  margin: auto;
  padding: 0;
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 500px;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.3s ease;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--light-gray);
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.modal-header h3 {
  color: var(--white);
  margin: 0;
}

.close-modal {
  color: var(--white);
  font-size: 1.5rem;
  font-weight: bold;
  cursor: pointer;
  transition: all var(--transition-fast);
  line-height: 1;
}

.close-modal:hover {
  color: var(--light-gray);
  transform: scale(1.2);
}

.modal form {
  padding: var(--spacing-lg);
}

.modal .form-group {
  margin-bottom: var(--spacing-md);
}

.modal .form-row {
  margin-bottom: var(--spacing-md);
}

/* ================ EXPORT PROGRESS ================ */
.export-progress {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 10000;
  text-align: center;
}

.export-progress.active {
  display: block;
}

.spinner {
  border: 4px solid var(--light-gray);
  border-top: 4px solid var(--primary);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
  margin: 0 auto var(--spacing-md);
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ================ STATUS BADGES ================ */
.status-badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-badge.status-active {
  background-color: var(--success-light);
  color: var(--success);
}

.status-badge.status-inactive {
  background-color: var(--danger-light);
  color: var(--danger);
}

/* ================ SECURITY NOTES ================ */
.security-note {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  align-items: flex-start;
}

.security-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.security-text {
  flex: 1;
  font-size: 0.9rem;
  color: var(--dark-gray);
}

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

/* ================ DROPDOWN MENUS ================ */
.export-dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-toggle {
  cursor: pointer;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--light-gray);
  z-index: 100;
  padding: var(--spacing-sm) 0;
  margin-top: 4px;
}

.export-dropdown:hover .dropdown-menu,
.export-dropdown.active .dropdown-menu {
  display: block;
}

.dropdown-menu button,
.dropdown-menu a {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: none;
  border: none;
  text-align: left;
  font-size: 0.9rem;
  color: var(--black);
  cursor: pointer;
  transition: background var(--transition-fast);
  text-decoration: none;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
}

.dropdown-menu button:hover,
.dropdown-menu a:hover {
  background: var(--off-white);
  transform: none;
}

.dropdown-header {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--dark-gray);
  letter-spacing: 1px;
}

.dropdown-divider {
  height: 1px;
  background: var(--light-gray);
  margin: var(--spacing-xs) 0;
}