body {
    margin: auto;
    text-align: center;
	 -moz-transform: scale(1.35); /* for Firefox, default 1*/
    zoom:135%; /* For Chrome, IE, default 100%*/
}

input[type="text"], input[type="number"] {
    padding: 10px 14px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 6px;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    width: 100%;
    max-width: 400px;
    box-sizing: border-box;
	background-color: #dde6f0;
}

input[type="text"]:focus, input[type="number"]:focus {
    border-color: #007bff;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
}

input.invalid, input.invalid:focus {
    animation: shake 0.3s ease-in-out, glowRed 1s ease-in-out;
    border-color: #dc3545;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.25);
}

@keyframes shake {
    0% { transform: translateX(0); }
    20% { transform: translateX(-5px); }
    40% { transform: translateX(5px); }
    60% { transform: translateX(-5px); }
    80% { transform: translateX(5px); }
    100% { transform: translateX(0); }
}

@keyframes glowRed {
    0% { box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.25); }
    50% { box-shadow: 0 0 8px 4px rgba(220, 53, 69, 0.5); }
    100% { box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.25); }
}

button {
    padding: 10px 20px;
    font-size: 16px;
    font-weight: 500;
    border: none;
    border-radius: 6px;
    background-color: #007bff;
    color: white;
    cursor: pointer;
    transition: background-color 0.2s ease, box-shadow 0.2s ease;
}

button:hover {
    background-color: #0056b3;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

button:active {
    background-color: #004494;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

button:disabled {
    background-color: #cccccc;
    color: #666666;
    cursor: not-allowed;
    box-shadow: none;
}

input[type="checkbox"] {
    appearance: none;
	top: 5px;
    width: 18px;
    height: 18px;
    border: 2px solid #ccc;
    border-radius: 4px;
    background-color: #fff;
    cursor: pointer;
    position: relative;
    transition: background-color 0.2s, border-color 0.2s;
}

input[type="checkbox"]:checked {
    background-color: #007bff;
    border-color: #007bff;
}

input[type="checkbox"]:checked::after {
    content: "";
    position: absolute;
    left: 4px;
    width: 6px;
    height: 12px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.file-label {
    display: inline-block;
    padding: 10px 20px;
    font-size: 16px;
    font-weight: 500;
    border: none;
    border-radius: 6px;
    background-color: #007bff;
    color: white;
    cursor: pointer;
    transition: background-color 0.2s ease, box-shadow 0.2s ease;
    position: relative;
    overflow: hidden;
}

.file-label:hover {
    background-color: #0056b3;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.file-label:active {
    background-color: #004494;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.file-input {
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

input[type="text"]:disabled,
input[type="number"]:disabled,
input[type="file"]:disabled,
.file-label:disabled,
.file-label:hover:disabled,
.file-label:active:disabled {
    background-color: #aaaaaa70;
    cursor: not-allowed;
	color: #dde6f0;
}

input[type="checkbox"]:disabled {
    background-color: #ffffff70;
    cursor: not-allowed;
}

input[type="checkbox"]:checked:disabled {
    background-color: #007bff70;
    border-color: #007bff70;
    cursor: not-allowed;
}

@font-face {
  font-family: NotoColorEmojiLimited;
  unicode-range: U+1F1E6-1F1FF;
  src: url(https://raw.githack.com/googlefonts/noto-emoji/main/fonts/NotoColorEmoji.ttf);
}

.flag {
  cursor: pointer;
  font-family: 'NotoColorEmojiLimited', -apple-system, BlinkMacSystemFont, 
  'Segoe UI', Roboto, Helvetica, Arial, sans-serif, 'Apple Color Emoji', 
  'Segoe UI Emoji', 'Segoe UI Symbol';
}