/* main.css - Основные стили */

/* Сброс стилей */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

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

/* Кнопки */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    gap: 8px;
}

.btn-primary {
    background-color: #1db954;
    color: white;
}

.btn-primary:hover {
    background-color: #1ed760;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: #f0f0f0;
    color: #333;
}

.btn-secondary:hover {
    background-color: #e0e0e0;
}

.btn-danger {
    background-color: #ff4444;
    color: white;
}

.btn-danger:hover {
    background-color: #ff6666;
}

.btn-success {
    background-color: #28a745;
    color: white;
}

.btn-success:hover {
    background-color: #218838;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 14px;
}

.btn-block {
    display: block;
    width: 100%;
}

/* Формы */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #555;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #1db954;
    box-shadow: 0 0 0 3px rgba(29, 185, 84, 0.1);
}

/* Алерты */
.alert {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}

.alert i {
    margin-right: 10px;
}

.alert-error {
    background-color: #fee;
    color: #c33;
    border-left: 4px solid #c33;
}

.alert-success {
    background-color: #eff;
    color: #28a745;
    border-left: 4px solid #28a745;
}

/* Заголовки */
h1, h2, h3, h4, h5, h6 {
    color: #333;
    margin-bottom: 15px;
}

h1 {
    font-size: 32px;
}

h2 {
    font-size: 28px;
}

h3 {
    font-size: 24px;
}

/* Утилиты */
.text-center {
    text-align: center;
}

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}

.hidden {
    display: none !important;
}

/* Анимации */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideDown {
    from { transform: translateY(-20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.5s ease;
}

.slide-down {
    animation: slideDown 0.3s ease;
}