/* College Help Extension Popup Styles */
.college-help-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 999999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.college-help-popup-overlay.show {
    opacity: 1;
    visibility: visible;
}

.college-help-popup-container {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    max-width: 450px;
    width: 90%;
    position: relative;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.2);
    text-align: center;
    transform: scale(0.7) translateY(50px);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.college-help-popup-overlay.show .college-help-popup-container {
    transform: scale(1) translateY(0);
}

.college-help-close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 20px;
    color: #999;
    cursor: pointer;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.college-help-close-btn:hover {
    background: #f0f0f0;
    color: #666;
    transform: rotate(90deg);
}

.college-help-logo-container {
    position: relative;
    margin-bottom: 25px;
    display: flex;
    justify-content: center;
}

.college-help-logo {
    max-width: 200px;
    height: auto;
    animation: bounce 2s infinite;
    position: relative;
    z-index: 2;
}

.college-help-pulse-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 80px;
    border: 3px solid #69b8db;
    border-radius: 50px;
    opacity: 0;
    animation: pulse 2s infinite;
}

.college-help-pulse-ring-2 {
    animation-delay: 1s;
}

.college-help-popup-title {
    color: #69b8db;
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 15px;
    background: linear-gradient(45deg, #69b8db, #4c5e87);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.college-help-popup-text {
    color: #4c5e87;
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 25px;
}

.college-help-popup-subtitle {
    color: #4c5e87;
    font-size: 14px;
    margin-top: 15px;
    opacity: 0.8;
}

.college-help-features {
    display: flex;
    justify-content: space-around;
    margin: 25px 0;
    flex-wrap: wrap;
    gap: 15px;
}

.college-help-feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: #4c5e87;
    font-size: 14px;
    flex: 1;
    min-width: 100px;
}

.college-help-feature-item i {
    font-size: 24px;
    color: #69b8db;
    margin-bottom: 8px;
    animation: float 3s ease-in-out infinite;
}

.college-help-feature-item:nth-child(2) i {
    animation-delay: 1s;
}

.college-help-feature-item:nth-child(3) i {
    animation-delay: 2s;
}

.college-help-install-container {
    margin: 30px 0 20px 0;
}

/* Chrome Style Button */
.college-help-install-btn.chrome-style {
    background: linear-gradient(45deg, #4285f4, #34a853, #fbbc05, #ea4335);
    background-size: 300% 300%;
    animation: chromeGradient 3s ease infinite;
    color: white !important;
    border: none;
    padding: 15px 30px;
    border-radius: 24px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none !important;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(66, 133, 244, 0.3);
    text-transform: none;
    letter-spacing: 0.5px;
    font-family: 'Google Sans', 'Roboto', sans-serif;
}

.college-help-install-btn.chrome-style:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(66, 133, 244, 0.4);
    animation-duration: 1.5s;
}

/* Edge Style Button */
.college-help-install-btn.edge-style {
    background: linear-gradient(45deg, #0078d4, #106ebe);
    color: white !important;
    border: none;
    padding: 15px 30px;
    border-radius: 2px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none !important;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 120, 212, 0.3);
    text-transform: none;
    letter-spacing: 0.3px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.college-help-install-btn.edge-style:hover {
    transform: translateY(-2px);
    background: linear-gradient(45deg, #106ebe, #005a9e);
    box-shadow: 0 4px 15px rgba(0, 120, 212, 0.4);
}

/* GitHub Style Button */
.college-help-install-btn.github-style {
    background: #24292e;
    color: white !important;
    border: 1px solid #1b1f23;
    padding: 15px 30px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none !important;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    transition: all 0.2s ease;
    text-transform: none;
    letter-spacing: 0.3px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
}

.college-help-install-btn.github-style:hover {
    background: #2f363d;
    border-color: #2f363d;
    transform: translateY(-1px);
    color: white !important;
}

.college-help-install-btn i {
    font-size: 18px;
}

.college-help-browser-logo {
    width: 20px;
    height: 20px;
    margin-right: 0;
}

/* 5 Star Rating Styles */
.college-help-rating {
    margin-top: 25px;
    text-align: center;
}

.college-help-stars {
    display: flex;
    justify-content: center;
    gap: 3px;
    margin-bottom: 10px;
}

.college-help-stars i {
    color: #ffc107;
    font-size: 20px;
    animation: starTwinkle 2s ease-in-out infinite;
}

.college-help-stars i:nth-child(1) { animation-delay: 0s; }
.college-help-stars i:nth-child(2) { animation-delay: 0.2s; }
.college-help-stars i:nth-child(3) { animation-delay: 0.4s; }
.college-help-stars i:nth-child(4) { animation-delay: 0.6s; }
.college-help-stars i:nth-child(5) { animation-delay: 0.8s; }

/* Animations */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-15px);
    }
    60% {
        transform: translateY(-8px);
    }
}

@keyframes pulse {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.5);
    }
    50% {
        opacity: 0.6;
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(1.5);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes chromeGradient {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes starTwinkle {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.1);
    }
}

/* Responsive */
@media (max-width: 480px) {
    .college-help-popup-container {
        padding: 30px 20px;
        margin: 20px;
    }
    
    .college-help-popup-title {
        font-size: 24px;
    }
    
    .college-help-features {
        flex-direction: column;
        gap: 20px;
    }
    
    .college-help-feature-item {
        flex-direction: row;
        justify-content: flex-start;
        text-align: left;
    }
    
    .college-help-feature-item i {
        margin-right: 15px;
        margin-bottom: 0;
    }
    
    .college-help-logo {
        max-width: 150px;
    }
    
    .college-help-install-btn {
        padding: 12px 25px;
        font-size: 14px;
    }
    
    .college-help-stars i {
        font-size: 18px;
    }
}