body {
    font-family: Arial, sans-serif;
    background-color: #e9ecef;
    display: flex;
    justify-content: center;
    padding: 10px;
    margin: 0;
    transition: background-color 0.3s ease;
}

.container {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 600px;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

h2 { text-align: center; color: #333; margin-top: 0;}

.profile-manager {
    display: flex;
    gap: 8px;
    background: #f1f3f5;
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 20px;
    border: 1px solid #dee2e6;
    align-items: center;
}
.profile-manager select {
    flex: 1;
    padding: 8px;
    border-radius: 4px;
    border: 1px solid #ccc;
    font-size: 14px;
    font-weight: bold;
    color: #333;
}

h3 { background: #007bff; color: white; padding: 10px; border-radius: 5px; font-size: 16px; margin-top: 25px; }
h4 { color: #555; margin-bottom: 10px; border-bottom: 1px solid #ccc; padding-bottom: 5px;}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.form-group { margin-bottom: 12px; }
label { display: block; font-weight: bold; margin-bottom: 4px; color: #444; font-size: 13px; }

.input-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
}

input { flex: 1; padding: 10px; border: 1px solid #ccc; border-radius: 4px; box-sizing: border-box; font-size: 14px; width: 100%;}
input:focus { outline: 2px solid #007bff; border-color: transparent;}
input:disabled { background-color: #f8f9fa; color: #6c757d; }

.copy-btn {
    background: linear-gradient(135deg, #6e8efb, #a777e3);
    color: white;
    border: none;
    border-radius: 50%; 
    width: 36px;
    height: 36px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    font-size: 16px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
    flex-shrink: 0;
}
.copy-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
}
.copy-btn:active {
    transform: scale(0.95);
    background: linear-gradient(135deg, #28a745, #20c997); 
}

.button-group { display: flex; gap: 10px; margin-top: 15px; }
.btn { flex: 1; padding: 12px; border: none; border-radius: 5px; cursor: pointer; font-weight: bold; font-size: 14px; transition: opacity 0.2s;}
.btn:hover { opacity: 0.9; }
.btn-primary { background-color: #007bff; color: white; }
.btn-secondary { background-color: #6c757d; color: white; }
.btn-share { background-color: #28a745; color: white; }
.btn-danger { background-color: #dc3545; color: white; }
.btn-warning { background-color: #ffc107; color: #333; flex: 0.4; padding: 8px;} 
#deleteBtn { flex: 0.4; padding: 8px;}

.sticky-bottom {
    position: sticky;
    bottom: 0;
    background: white;
    padding: 10px 0;
    border-top: 1px solid #eee;
    z-index: 100;
}

@media (max-width: 500px) {
    .grid-2 { grid-template-columns: 1fr; }
}
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