html {
    box-sizing: border-box;
}
*,
*:before,
*:after {
    box-sizing: inherit;
}

body {
    font-family: Arial, sans-serif;
    margin: 0;
    font-size: 14px;
    background-color: #f5f7fa;
    color: var(--dark-color);
}

:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #34495e;
    --simple-color: #9b59b6;
    --telegram-color: #0088cc;

    --header-height: 60px;
    --header-bg: #ffffff;
    --header-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.flex-column {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.flex-row {
    display: flex;
    gap: 4px;
}

input[type="text"],
input[type="password"],
select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    transition: background-color 0.3s;
    text-decoration: none;
    text-align: center;
    white-space: nowrap;
}

.btn:hover {
    background-color: #2980b9;
}

.btn-success {
    background-color: var(--success-color);
}

.btn-success:hover {
    background-color: #219653;
}

.btn-warning {
    background-color: var(--warning-color);
}

.btn-warning:hover {
    background-color: #e67e22;
}

.btn-download {
    background-color: var(--success-color);
    width: 100%;
    margin-bottom: 15px;
}

.btn-download:hover {
    background-color: #219653;
}

.btn-secondary {
    background-color: var(--warning-color);
}

.btn-secondary:hover {
    background-color: #e67e22;
}

.btn-simple {
    background-color: var(--simple-color);
}

.btn-simple:hover {
    background-color: #8e44ad;
}

.btn-telegram {
    background-color: var(--telegram-color);
}

.btn-telegram:hover {
    background-color: #0077b5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background-color: var(--primary-color);
    color: white;
    padding: 20px 0;
    margin-bottom: 20px;
    border-radius: 5px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

header h1 {
    margin: 0;
    text-align: center;
    font-size: 2.2em;
}

.apps-container {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    align-items: flex-start;
    flex-wrap: wrap;
}

.app-card {
    flex: 1;
    background-color: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.app-card h2 {
    color: var(--primary-color);
    margin-top: 0;
    border-bottom: 2px solid var(--light-color);
    padding-bottom: 10px;
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}

.output-container {
    background-color: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.output-container h2 {
    margin-top: 0;
    color: var(--primary-color);
}

.version-info {
    text-align: center;
    margin-top: 30px;
    color: #7f8c8d;
    font-size: 0.9em;
}

.note {
    font-family: monospace;
    background-color: #e7f4ff;
    border-left: 4px solid #3498db;
    padding: 15px;
    border-radius: 4px;
}

.note.success {
    background-color: #e7ffec;
    border-left: 4px solid var(--success-color);
}

.note.error {
    background-color: #ffebe7;
    border-left: 4px solid var(--danger-color);
}