/* Session Timer Styles */
.session-timer {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: #d1ecf1;
    border: 1px solid #bee5eb;
    color: #0c5460;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    z-index: 1000;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    transition: all 0.3s ease;
}

.session-timer span {
    line-height: 1.3;
    white-space: nowrap;
}

.session-timer small {
    display: block;
    font-size: 0.85em;
    margin-top: 2px;
}

.session-timer:hover {
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
    transform: translateY(-1px);
}

.session-timer .icon {
    flex-shrink: 0;
    opacity: 0.8;
}

.session-timer.warning {
    background: #fff3cd;
    border-color: #ffc107;
    color: #856404;
    animation: pulse 2s infinite;
}

.session-timer.expired {
    background: #f8d7da;
    border-color: #dc3545;
    color: #721c24;
    animation: shake 0.5s ease-in-out;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.7; }
    100% { opacity: 1; }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-2px); }
    75% { transform: translateX(2px); }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .session-timer {
        bottom: 10px;
        left: 10px;
        font-size: 12px;
        padding: 6px 10px;
    }
}