.msd-tier-selector {margin: 1.5em 0;}.msd-tier-label {display: block;font-size: 1em;font-weight: 600;margin-bottom: 0.75em;color: inherit;}.msd-tier-dropdown-wrapper {position: relative;display: inline-block;width: 100%;max-width: 320px;}.msd-tier-dropdown {width: 100%;padding: 0.6em 2em 0.6em 0.8em;font-size: 0.95em;border: 2px solid #ddd;border-radius: 6px;background: #fff;cursor: pointer;-webkit-appearance: none;-moz-appearance: none;appearance: none;transition: all 0.2s ease;}.msd-tier-dropdown:hover {border-color: #2dd4bf;}.msd-tier-dropdown:focus {outline: none;border-color: #2dd4bf;box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.1);}.msd-tier-icon {position: absolute;right: 1em;top: 50%;transform: translateY(-50%);pointer-events: none;color: #666;font-size: 0.8em;}.msd-tier-details-display {margin-top: 0.75em;padding: 0.75em 1em;background: linear-gradient(135deg, rgba(45, 212, 191, 0.08) 0%, rgba(45, 212, 191, 0.03) 100%);border-left: 3px solid #2dd4bf;border-radius: 4px;font-size: 0.9em;display: none;}.msd-tier-details-display:not(:empty) {display: block;}.msd-tier-info {color: #333;}.msd-tier-info strong {color: #2dd4bf;font-weight: 700;}@media (prefers-color-scheme: dark) {.msd-tier-dropdown {background: #1a1a1a;border-color: #444;color: #fff;}.msd-tier-dropdown:hover,.msd-tier-dropdown:focus {border-color: #2dd4bf;}.msd-tier-info {color: #ddd;}}@media (max-width: 600px) {.msd-tier-dropdown-wrapper {max-width: none;}}