body {
    transition: background-color 0.3s ease, color 0.3s ease;
}
.glass-panel {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
.dark .glass-panel {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.05);
}
.gradient-text {
    background: linear-gradient(to right, #4facfe 0%, #00f2fe 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}
.dark .gradient-text {
    background: none;
    -webkit-text-fill-color: white;
    color: white;
}

/* Notification System Styles */
#notification-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: white;
    border-radius: 8px;
    padding: 16px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-width: 300px;
    transform: translateX(120%);
    transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    border-left: 4px solid #3b82f6;
}

.dark .toast {
    background: #1f2937;
    color: white;
}

.toast.show {
    transform: translateX(0);
}

.toast-success { border-left-color: #10b981; }
.toast-error { border-left-color: #ef4444; }

.toast-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.toast-content i {
    font-size: 1.2em;
}

.toast-success i { color: #10b981; }
.toast-error i { color: #ef4444; }

.toast-close {
    background: none;
    border: none;
    color: #9ca3af;
    cursor: pointer;
    font-size: 1.2em;
    padding: 0 4px;
}

.toast-close:hover {
    color: #4b5563;
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-overlay.show {
    opacity: 1;
}

.modal-box {
    background: white;
    padding: 24px;
    border-radius: 16px;
    width: 90%;
    max-width: 400px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    transform: scale(0.95);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.dark .modal-box {
    background: #1f2937;
    border: 1px solid rgba(255,255,255,0.1);
}

.modal-overlay.show .modal-box {
    transform: scale(1);
}