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


.sidebar-item.active {
    background-color: #f0fdf4;
    border-left: 4px solid #166534;
    color: #166534;
}
.sidebar-item:hover:not(.active) {
    background-color: #f0fdf4;
}
.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}
.search-input:focus {
    border-color: #22c55e;
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2);
}
.challenge-image {
    height: 160px;
    object-fit: cover;
    width: 100%;
}
.search-btn {
    transition: all 0.3s ease;
}
.search-btn:hover {
    transform: scale(1.05);
}
.charge-menu {
    transition: all 0.3s ease;
    max-height: 0;
    overflow: hidden;
}
.charge-menu.open {
    max-height: 200px;
}
.challenge-record {
    transition: all 0.3s ease;
}
.challenge-record:hover {
    background-color: #f0fdf4;
}
.challenge-details {
    transition: all 0.3s ease;
    max-height: 0;
    overflow: hidden;
}
.challenge-details.open {
    max-height: 1000px;
}
.progress-bar {
    height: 8px;
    border-radius: 4px;
    background-color: #e5e7eb;
}
.progress-fill {
    height: 100%;
    border-radius: 4px;
    background-color: #10b981;
    transition: width 0.5s ease;
}
.challenge-modal, .feedback-modal, .add-session-dialog {
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
}
.challenge-modal.open, .feedback-modal.open, .add-session-dialog.open {
    opacity: 1;
    visibility: visible;
}
.modal-overlay {
    background-color: rgba(0, 0, 0, 0.5);
}
.language-select {
    transition: all 0.2s ease;
}
.feedback-btn {
    position: fixed;
    right: 2rem;
    bottom: 2rem;
    z-index: 40;
}
.feedback-textarea {
    min-height: 120px;
}
.challenges-scroll {
    max-height: 600px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: #22c55e #e5e7eb;
}
.challenges-scroll::-webkit-scrollbar {
    width: 8px;
}
.challenges-scroll::-webkit-scrollbar-track {
    background: #e5e7eb;
    border-radius: 4px;
}
.challenges-scroll::-webkit-scrollbar-thumb {
    background: #22c55e;
    border-radius: 4px;
}
.challenges-scroll::-webkit-scrollbar-thumb:hover {
    background: #16a34a;
}
.video-container {
    position: relative;
    width: 100%;
    max-width: 500px;
    height: 300px;
    border-radius: 16px;
    background: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    transition: all 0.3s ease;
}
.video-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px -5px rgba(0, 0, 0, 0.3);
}
.video-container video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 16px;
}
.profile-container {
    position: relative;
    width: 100%;
    max-width: 500px;
    height: 300px;
    border-radius: 16px;
    background: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    transition: all 0.3s ease;
}
.profile-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px -5px rgba(0, 0, 0, 0.3);
}
.ai-profile-pic {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid #48bb78;
    box-shadow: 0 8px 20px rgba(72, 187, 120, 0.4);
}
.controls {
    background: rgba(26, 32, 44, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.15);
}
.control-btn {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
}
.control-btn:hover {
    transform: scale(1.1);
}
.participant-info {
    position: absolute;
    bottom: 15px;
    left: 15px;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
}
.status-indicator {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
}
.time-display {
    position: absolute;
    top: 15px;
    left: 15px;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    backdrop-filter: blur(5px);
}
.pulse {
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(72, 187, 120, 0.7);
    }
    70% {
        transform: scale(1.02);
        box-shadow: 0 0 0 12px rgba(72, 187, 120, 0);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(72, 187, 120, 0);
    }
}
.meeting-id {
    background: rgba(0, 0, 0, 0.6);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    backdrop-filter: blur(5px);
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 18px;
}
.logo-icon {
    background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}
.share-btn {
    transition: all 0.2s ease;
}
.share-btn:hover {
    transform: scale(1.05);
}