:root {
  --primary-color: #cc1e1c;
  --secondary-color: #a81816;
  --accent-color: #e85d5a;
  --background-color: #f5f7fa;
  --text-color: #333;
  --error-color: #e74c3c;
  --success-color: #2ecc71;
  --warning-color: #f39c12;
  --border-color: #e1e4e8;
  --box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background-color);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
header {
  background-color: var(--primary-color);
  color: white;
  padding: 1rem 0;
  box-shadow: var(--box-shadow);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header h1 {
  font-size: 1.8rem;
  font-weight: bold;
}

nav {
  display: flex;
  gap: 20px;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  padding: 5px 10px;
  border-radius: 4px;
  transition: background-color 0.3s;
}

nav a:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

/* Main content */
main {
  min-height: calc(100vh - 140px);
  padding: 40px 0;
}

h2 {
  color: var(--secondary-color);
  margin-bottom: 20px;
  font-size: 2rem;
}

h3 {
  color: var(--secondary-color);
  margin-bottom: 15px;
  font-size: 1.5rem;
}

/* Alerts */
.alert {
  padding: 15px;
  border-radius: 4px;
  margin-bottom: 20px;
}

.error {
  background-color: rgba(231, 76, 60, 0.1);
  border-left: 4px solid var(--error-color);
  color: var(--error-color);
}

.success {
  background-color: rgba(46, 204, 113, 0.1);
  border-left: 4px solid var(--success-color);
  color: var(--success-color);
}

.warning {
  background-color: rgba(243, 156, 18, 0.1);
  border-left: 4px solid var(--warning-color);
  margin: 20px 0;
  padding: 15px;
  border-radius: 4px;
}

.warning-text {
  color: var(--text-color);
  font-weight: 500;
}

/* Forms */
.auth-form, .password-form {
  max-width: 500px;
  margin: 0 auto;
  background: white;
  padding: 30px;
  border-radius: 8px;
  box-shadow: var(--box-shadow);
}

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

label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
}

input[type="text"],
input[type="password"],
select {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 16px;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

input[type="text"]:focus,
input[type="password"]:focus,
select:focus {
  border-color: var(--accent-color);
  outline: none;
  box-shadow: 0 0 0 3px rgba(232, 93, 90, 0.2);
}

select {
  background-color: white;
  cursor: pointer;
  appearance: none;
  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='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

small {
  display: block;
  margin-top: 5px;
  color: #666;
}

.form-link {
  text-align: center;
  margin-top: 20px;
}

/* Buttons */
.button {
  display: inline-block;
  background-color: var(--primary-color);
  color: white;
  padding: 12px 20px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  transition: background-color 0.3s;
}

.button:hover {
  background-color: var(--secondary-color);
}

.button-secondary {
  background-color: #f0f4f8;
  color: var(--secondary-color);
  border: 1px solid var(--border-color);
  padding: 10px 15px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s;
}

.button-secondary:hover {
  background-color: #e6ecf2;
  border-color: var(--accent-color);
}

.button-icon {
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 16px;
  color: var(--text-color);
  padding: 0 10px;
  transition: color 0.3s;
}

.button-icon:hover {
  color: var(--accent-color);
}

.button.secondary {
  background-color: white;
  color: var(--primary-color);
  border: 1px solid var(--primary-color);
}

.button.secondary:hover {
  background-color: #f5f5f5;
}

.copy-button {
  background-color: var(--accent-color);
  color: white;
  border: none;
  border-radius: 4px;
  padding: 8px 12px;
  cursor: pointer;
  font-size: 14px;
  transition: background-color 0.3s;
}

.copy-button:hover {
  background-color: #d64542;
}

/* Password sharing */
.share-link-container {
  display: flex;
  margin: 20px 0;
  background-color: white;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.share-url {
  flex: 1;
  padding: 12px;
  border: none;
  font-size: 16px;
  background-color: white;
}

.password-container {
  background-color: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: var(--box-shadow);
  margin-bottom: 20px;
}

.password-display {
  display: flex;
  align-items: center;
  gap: 15px;
  background-color: #f7f9fc;
  padding: 15px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
}

.password {
  font-family: monospace;
  font-size: 18px;
  word-break: break-all;
}

/* Action buttons */
.action-buttons, .actions {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

/* Features section */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin: 40px 0;
}

.feature {
  background-color: white;
  padding: 25px;
  border-radius: 8px;
  box-shadow: var(--box-shadow);
  transition: transform 0.3s;
}

.feature:hover {
  transform: translateY(-5px);
}

.cta {
  text-align: center;
  margin-top: 40px;
  display: flex;
  justify-content: center;
  gap: 20px;
}

/* Password list */
.password-table {
  width: 100%;
  border-collapse: collapse;
  background-color: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--box-shadow);
}

.password-table th,
.password-table td {
  padding: 15px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.password-table th {
  background-color: #f7f9fc;
  font-weight: 600;
}

.status {
  display: inline-block;
  padding: 5px 10px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
}

.status.active {
  background-color: rgba(46, 204, 113, 0.15);
  color: var(--success-color);
}

.status.expired {
  background-color: rgba(231, 76, 60, 0.15);
  color: var(--error-color);
}

.access-time {
  display: block;
  font-size: 0.85em;
  font-weight: normal;
  margin-top: 3px;
  color: #666;
}

.expired {
  color: var(--error-color);
  font-style: italic;
}

.info {
  background-color: rgba(204, 30, 28, 0.1);
  border-left: 4px solid var(--primary-color);
  padding: 15px;
  border-radius: 4px;
  margin-bottom: 20px;
}

/* Footer */
footer {
  background-color: #333;
  color: #f5f5f5;
  padding: 20px 0;
  text-align: center;
}

/* Admin specific styles */
.admin-link {
  background-color: rgba(231, 76, 60, 0.1);
  color: var(--error-color) !important;
  font-weight: bold;
}

.admin-link:hover {
  background-color: rgba(231, 76, 60, 0.2);
}

.admin-section {
  margin-top: 30px;
  padding: 20px;
  background-color: rgba(231, 76, 60, 0.05);
  border-radius: 8px;
  border-left: 4px solid var(--error-color);
}

.button.admin {
  background-color: var(--error-color);
}

.button.admin:hover {
  background-color: #c0392b;
}

.button.danger {
  background-color: var(--error-color);
}

.button.danger:hover {
  background-color: #c0392b;
}

.form-group.checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
}

.form-group.checkbox label {
  margin-bottom: 0;
}

.form-group.checkbox input[type="checkbox"] {
  width: auto;
  margin-right: 8px;
}

/* User management styles */
.user-table {
  width: 100%;
  border-collapse: collapse;
  background-color: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--box-shadow);
  margin-top: 20px;
}

.user-table th,
.user-table td {
  padding: 15px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.user-table th {
  background-color: #f7f9fc;
  font-weight: 600;
}

.user-table .actions {
  display: flex;
  gap: 10px;
}

.action-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 18px;
  padding: 5px;
  border-radius: 4px;
  transition: background-color 0.2s;
}

.action-btn:hover {
  background-color: #f5f5f5;
}

.delete-btn {
  color: var(--error-color);
}

.reset-btn {
  color: var(--warning-color);
  text-decoration: none;
}

.role {
  display: inline-block;
  padding: 5px 10px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
}

.role.admin {
  background-color: rgba(231, 76, 60, 0.15);
  color: var(--error-color);
}

.role.user {
  background-color: rgba(204, 30, 28, 0.15);
  color: var(--primary-color);
}

.user-info {
  background-color: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: var(--box-shadow);
  margin-bottom: 20px;
}

.user-meta {
  display: flex;
  gap: 15px;
  margin-top: 10px;
}

.created {
  color: #666;
}

/* Modal styles */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
  background-color: white;
  margin: 15% auto;
  padding: 0;
  border-radius: 8px;
  width: 90%;
  max-width: 500px;
  box-shadow: var(--box-shadow);
  animation: modalOpen 0.3s ease;
}

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

.modal-header {
  padding: 15px 20px;
  background-color: #f7f9fc;
  border-bottom: 1px solid var(--border-color);
  border-radius: 8px 8px 0 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.close {
  color: #aaa;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
}

.close:hover {
  color: var(--text-color);
}

.modal-body {
  padding: 20px;
}

.modal-footer {
  padding: 15px 20px;
  background-color: #f7f9fc;
  border-top: 1px solid var(--border-color);
  border-radius: 0 0 8px 8px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* Password Input Group */
.password-input-group {
  display: flex;
  align-items: center;
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  overflow: hidden;
}

.password-input-group input {
  flex: 1;
  border: none;
  border-radius: 0;
}

.password-input-group input:focus {
  box-shadow: none;
}

.password-input-group .button-icon {
  padding: 0 15px;
  height: 100%;
  display: flex;
  align-items: center;
  background-color: #f5f7fa;
  border-left: 1px solid var(--border-color);
}

.icon-eye {
  opacity: 0.6;
  transition: opacity 0.3s;
}

.button-icon:hover .icon-eye {
  opacity: 1;
}

/* Responsive */
@media (max-width: 768px) {
  header .container {
    flex-direction: column;
    gap: 15px;
  }
  
  nav {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .features {
    grid-template-columns: 1fr;
  }
  
  .share-link-container {
    flex-direction: column;
  }
  
  .action-buttons,
  .actions,
  .cta {
    flex-direction: column;
  }
  
  .password-table {
    display: block;
    overflow-x: auto;
  }
  
  .user-table {
    display: block;
    overflow-x: auto;
  }
  
  .user-meta {
    flex-direction: column;
    gap: 5px;
  }
  
  .modal-content {
    width: 95%;
    margin: 10% auto;
  }
}

/* Dashboard styles */
.dashboard-container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 20px;
}

.action-tile {
  flex: 1;
  min-width: 350px;
  padding: 20px;
  background-color: white;
  border-radius: 8px;
  box-shadow: var(--box-shadow);
  border-left: 4px solid var(--primary-color);
}

.action-tile h3 {
  margin-top: 0;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.action-tile.admin-tile {
  border-left-color: var(--error-color);
  background-color: rgba(231, 76, 60, 0.05);
}

.action-tile.admin-tile h3 {
  color: var(--error-color);
}

.tile-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.tile-buttons .button {
  margin: 0;
  text-align: center;
}

/* Code display */
.code-display {
  font-family: monospace;
  font-size: 24px;
  color: var(--secondary-color);
  text-align: center;
  background-color: #f5f7fa;
  padding: 15px;
  border-radius: 4px;
  letter-spacing: 2px;
  margin: 15px 0;
  font-weight: bold;
  border: 1px dashed var(--border-color);
}

.info-text {
  color: #666;
  font-size: 0.9em;
  margin-bottom: 10px;
}

.form-group.center {
  text-align: center;
  margin: 20px 0;
}

.form-group.center .button {
  padding: 15px 30px;
  font-size: 18px;
}