/* Общие стили для темной темы */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #0d1117;
    color: #f0f6fc;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Контейнеры */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

.container-fluid {
    width: 100%;
    padding: 0 20px;
}

/* Сетка */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.col {
    flex: 1;
    padding: 0 15px;
}

.col-1 { width: 8.33%; }
.col-2 { width: 16.66%; }
.col-3 { width: 25%; }
.col-4 { width: 33.33%; }
.col-5 { width: 41.66%; }
.col-6 { width: 50%; }
.col-7 { width: 58.33%; }
.col-8 { width: 66.66%; }
.col-9 { width: 75%; }
.col-10 { width: 83.33%; }
.col-11 { width: 91.66%; }
.col-12 { width: 100%; }

[class*="col-"] {
    padding: 0 15px;
    flex: 0 0 auto;
}

/* Заголовки */
h1, h2, h3, h4, h5, h6 {
    color: #f0f6fc;
    margin-top: 0;
    margin-bottom: 1rem;
    font-weight: 600;
    line-height: 1.2;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

/* Текст */
p {
    margin-top: 0;
    margin-bottom: 1rem;
}

a {
    color: #58a6ff;
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: #1f6feb;
    text-decoration: underline;
}

/* Списки */
ul, ol {
    margin-top: 0;
    margin-bottom: 1rem;
    padding-left: 2rem;
}

ul ul, ol ul, ul ol, ol ol {
    margin-bottom: 0;
}

li {
    margin-bottom: 0.5rem;
}

/* Кнопки */
.btn {
    display: inline-block;
    padding: 8px 16px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s;
    cursor: pointer;
    border: 1px solid transparent;
    text-align: center;
}

.btn-primary {
    background-color: #1f6feb;
    color: white;
    border-color: #1f6feb;
}

.btn-primary:hover {
    background-color: #58a6ff;
    border-color: #58a6ff;
    color: white;
}

.btn-secondary {
    background-color: #21262d;
    color: #f0f6fc;
    border-color: #363b42;
}

.btn-secondary:hover {
    background-color: #30363d;
    border-color: #8b949e;
}

.btn-outline {
    background-color: transparent;
    border: 1px solid #58a6ff;
    color: #58a6ff;
}

.btn-outline:hover {
    background-color: #58a6ff;
    color: white;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 12px 24px;
    font-size: 1.125rem;
}

/* Формы */
.form-group {
    margin-bottom: 1rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: #f0f6fc;
    font-weight: 500;
}

input, textarea, select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #21262d;
    border-radius: 6px;
    background-color: #0d1117;
    color: #f0f6fc;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s;
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: #58a6ff;
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.2);
}

input[type="checkbox"], input[type="radio"] {
    width: auto;
    margin-right: 0.5rem;
}

/* Карточки */
.card {
    background-color: #161b22;
    border-radius: 6px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border: 1px solid #21262d;
}

.card-header {
    padding-bottom: 1rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid #21262d;
}

.card-title {
    margin-bottom: 0;
    font-size: 1.25rem;
}

.card-footer {
    padding-top: 1rem;
    margin-top: 1rem;
    border-top: 1px solid #21262d;
}

/* Таблицы */
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1rem;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #21262d;
}

th {
    background-color: #161b22;
    color: #f0f6fc;
    font-weight: 600;
}

tr:hover {
    background-color: #161b22;
}

/* Навигация */
.nav-tabs {
    display: flex;
    border-bottom: 1px solid #21262d;
    margin-bottom: 1rem;
}

.nav-tab {
    padding: 10px 20px;
    border: 1px solid transparent;
    border-bottom: none;
    border-radius: 6px 6px 0 0;
    background: none;
    color: #8b949e;
    cursor: pointer;
    margin-right: 5px;
}

.nav-tab.active {
    background-color: #161b22;
    border-color: #21262d #21262d transparent #21262d;
    color: #f0f6fc;
}

/* Уведомления */
.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 1rem;
    border: 1px solid transparent;
}

.alert-success {
    background-color: rgba(46, 160, 67, 0.15);
    border-color: rgba(46, 160, 67, 0.4);
    color: #3fb950;
}

.alert-error {
    background-color: rgba(248, 81, 73, 0.15);
    border-color: rgba(248, 81, 73, 0.4);
    color: #f85149;
}

.alert-warning {
    background-color: rgba(187, 128, 9, 0.15);
    border-color: rgba(187, 128, 9, 0.4);
    color: #d29922;
}

.alert-info {
    background-color: rgba(56, 139, 253, 0.15);
    border-color: rgba(56, 139, 253, 0.4);
    color: #58a6ff;
}

/* Прогресс бары */
.progress {
    height: 8px;
    background-color: #21262d;
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.progress-bar {
    height: 100%;
    background-color: #1f6feb;
    border-radius: 6px;
    transition: width 0.3s;
}

/* Спиннеры */
.spinner {
    border: 2px solid #21262d;
    border-top: 2px solid #58a6ff;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
    display: inline-block;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Разделитель */
hr {
    border: none;
    height: 1px;
    background-color: #21262d;
    margin: 1.5rem 0;
}

/* Код */
code {
    background-color: #161b22;
    color: #f0f6fc;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.9em;
}

pre {
    background-color: #161b22;
    padding: 1rem;
    border-radius: 6px;
    overflow: auto;
    border: 1px solid #21262d;
}

pre code {
    background: none;
    padding: 0;
    color: inherit;
}

/* Стили для шапки */
header {
    background-color: #161b22;
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.4);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.logo {
    color: #58a6ff;
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
}

nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

nav li {
    margin-left: 20px;
}

nav a {
    color: #c9d1d9;
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 4px;
    transition: background-color 0.3s;
}

nav a:hover {
    background-color: #1f6feb;
    color: white;
}

.auth-buttons {
    display: flex;
    gap: 10px;
}

.btn-login {
    background-color: transparent;
    border: 1px solid #58a6ff;
    color: #58a6ff;
}

.btn-login:hover {
    background-color: #58a6ff;
    color: white;
}

.btn-register {
    background-color: #1f6feb;
    border: 1px solid #1f6feb;
    color: white;
}

.btn-register:hover {
    background-color: #58a6ff;
    border-color: #58a6ff;
}

/* Основное содержимое */
main {
    flex: 1;
    padding: 2rem 0;
}

/* Стили для футера */
.site-footer {
    background-color: #161b22;
    color: #c9d1d9;
    text-align: center;
    padding: 20px;
    margin-top: auto;
}

.footer-nav a {
    color: #58a6ff;
    text-decoration: none;
    margin: 0 10px;
}

.footer-nav a:hover {
    text-decoration: underline;
    color: #1f6feb;
}

/* Утилитные классы */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }

.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.align-items-center { align-items: center; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

/* Адаптивность */
@media (max-width: 1200px) {
    .container {
        max-width: 992px;
    }
}

@media (max-width: 992px) {
    .container {
        max-width: 768px;
    }
}

@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 15px;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    nav li {
        margin: 5px;
    }
    
    [class*="col-"] {
        width: 100%;
        margin-bottom: 1rem;
    }
    
    .d-md-none { display: none; }
    .d-md-block { display: block; }
}

@media (max-width: 576px) {
    .container {
        padding: 0 15px;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .auth-buttons {
        flex-direction: column;
        width: 100%;
    }
}

/* Стили для текстовых ссылок-кнопок */
.text-link {
    display: inline-block;
    color: #58a6ff;
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 4px;
    transition: all 0.3s ease;
    margin: 2px;
}

.text-link:hover {
    background-color: #1f6feb;
    color: white;
    text-decoration: none;
}

/* Стили для иконок внутри ссылок */
.text-link i, .text-link svg {
    margin-right: 5px;
    vertical-align: middle;
}

/* Варианты размеров */
.text-link-sm {
    padding: 4px 8px;
    font-size: 0.875rem;
}

.text-link-lg {
    padding: 8px 16px;
    font-size: 1.125rem;
}

/* Дополнительные цветовые варианты */
.text-link-success {
    color: #3fb950;
}

.text-link-success:hover {
    background-color: #238636;
    color: white;
}

.text-link-warning {
    color: #d29922;
}

.text-link-warning:hover {
    background-color: #daaa36;
    color: white;
}

.text-link-danger {
    color: #f85149;
}

.text-link-danger:hover {
    background-color: #da3633;
    color: white;
}

/* Дополнительные стили для футера */
.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-nav {
    display: flex;
    gap: 15px;
}

/* Адаптивность для футера */
@media (max-width: 576px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-nav {
        justify-content: center;
        flex-wrap: wrap;
    }
}

/* Стили для футера */
.site-footer {
    background-color: #161b22;
    color: #c9d1d9;
    text-align: center;
    padding: 20px;
    margin-top: auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-nav {
    display: flex;
    gap: 15px;
}

/* Переопределяем стили для ссылок в футере */
.footer-nav a {
    color: #58a6ff;
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.footer-nav a:hover {
    background-color: #1f6feb;
    color: white !important;
    text-decoration: none;
}

/* Адаптивность для футера */
@media (max-width: 576px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-nav {
        justify-content: center;
        flex-wrap: wrap;
    }
}