/* ========================================
   ОБЩИЕ СТИЛИ ПРОЕКТА
   ======================================== */

/* Базовый сброс */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Основные стили body */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

/* ========================================
   НАВИГАЦИЯ (из nav.php)
   ======================================== */
.main-nav {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 0 20px;
    width: 100%;
    margin-bottom: 30px;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.nav-logo {
    font-size: 20px;
    font-weight: 700;
    color: #667eea;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-logo:hover {
    color: #764ba2;
}

.nav-menu {
    display: flex;
    gap: 8px;
    list-style: none;
    flex-wrap: wrap;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    text-decoration: none;
    color: #555;
    font-size: 15px;
    font-weight: 500;
    border-radius: 10px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.nav-link:hover {
    background: #f0f2f5;
    color: #667eea;
}

.nav-link.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.nav-link .icon {
    font-size: 18px;
}

/* Мобильное меню */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #667eea;
    border-radius: 3px;
    transition: all 0.3s;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

@media (max-width: 900px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 20px;
        gap: 5px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        display: none;
        border-radius: 0 0 15px 15px;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-link {
        width: 100%;
        padding: 12px 18px;
    }

    .nav-container {
        flex-wrap: wrap;
    }
}

/* Основной контейнер контента */
.content-wrapper {
    padding-top: 20px;
}

/* ========================================
   ЗАГОЛОВКИ
   ======================================== */
h1 {
    color: white;
    text-align: center;
    margin-bottom: 30px;
    font-size: 2.5em;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

/* ========================================
   КОНТЕЙНЕРЫ
   ======================================== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   КАРТОЧКИ
   ======================================== */
.card {
    background: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
}

.card-title {
    font-size: 1.3em;
    font-weight: 700;
    color: #667eea;
}

/* ========================================
   ФОРМЫ
   ======================================== */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: 600;
    font-size: 14px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    transition: border-color 0.3s;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* ========================================
   КНОПКИ
   ======================================== */
.btn {
    padding: 12px 25px;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
		color: #fff;
}

.btn-primary {
    background: linear-gradient(135deg, #4CAF50 0%, #45a049 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
}

.btn-primary:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: #2196F3;
    color: white;
}

.btn-secondary:hover {
    background: #0b7dda;
}

.btn-danger {
    background: #f44336;
    color: white;
}

.btn-danger:hover {
    background: #da190b;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-add {
    background: #667eea;
    color: white;
}

.btn-add:hover {
    background: #5a6fd6;
}

.btn-edit {
    background: #2196F3;
    color: white;
}

.btn-delete {
    background: #f44336;
    color: white;
}

/* ========================================
   АНИМАЦИИ
   ======================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

/* ========================================
   ЛОАДЕР
   ======================================== */
.loader {
    display: none;
    text-align: center;
    margin: 20px 0;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 10px;
}

/* ========================================
   УТИЛИТАРНЫЕ КЛАССЫ
   ======================================== */
.hidden {
    display: none !important;
}

/* ========================================
   МОБИЛЬНАЯ АДАПТАЦИЯ
   ======================================== */
@media (max-width: 768px) {
    h1 {
        font-size: 1.8em;
        margin-bottom: 20px;
    }

    .container {
        padding: 0 15px;
    }

    .card {
        padding: 15px;
    }
}