/* Общие стили */
:root {
    --primary-color: #0a4d8c;
    --primary-dark: #063865;
    --secondary-color: #ff5722;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --gray-color: #64748b;
    --danger-color: #ef4444;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    --transition: all 0.3s ease;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

body {
    font-family: 'Montserrat', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--light-color);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.section {
    padding: 100px 0;
}

.section__title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.section__title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
    text-transform: uppercase;
    font-size: 14px;
}

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

.btn--primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

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

.btn--secondary:hover {
    background-color: #e64a19;
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.btn--outline {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn--outline:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

/* Прелоадер */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--light-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(37, 99, 235, 0.2);
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

    100% {
        transform: rotate(360deg);
    }
}

/* Хедер */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: white;
    box-shadow: var(--shadow);
    padding: 15px 0;
    z-index: 100;
    transition: var(--transition);
    height: 80px;
    /* Фиксированная высота шапки */
}

.header.scrolled {
    padding: 10px 0;
    background-color: white;
}

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

.logo {
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.logo i {
    margin-right: 10px;
    font-size: 28px;
}

.nav__list {
    display: flex;
}

.nav__item {
    margin-left: 30px;
}

.nav__link {
    font-weight: 500;
    position: relative;
    color: var(--dark-color);
    text-transform: uppercase;
    font-size: 14px;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav__link:hover {
    color: var(--primary-color);
}

.nav__link:hover::after {
    width: 100%;
}

.burger {
    display: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
}

.burger span {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    height: 2px;
    background-color: var(--dark-color);
    transition: var(--transition);
}

.burger::before,
.burger::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: var(--dark-color);
    transition: var(--transition);
}

.burger::before {
    top: 0;
}

.burger::after {
    bottom: 0;
}

.burger.active span {
    transform: translateY(-50%) scale(0);
}

.burger.active::before {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
}

.burger.active::after {
    bottom: 50%;
    transform: translateY(50%) rotate(-45deg);
}

/* Сообщения */
.messages {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 1000;
    width: 300px;
}

.message {
    padding: 15px 20px;
    margin-bottom: 10px;
    border-radius: 5px;
    box-shadow: var(--shadow);
    position: relative;
    animation: slideIn 0.3s ease forwards;
}

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

.message--error {
    background-color: var(--danger-color);
    color: white;
}

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

.message--info {
    background-color: var(--info-color);
    color: white;
}

.message__close {
    position: absolute;
    top: 5px;
    right: 5px;
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    font-size: 14px;
    opacity: 0.7;
    transition: var(--transition);
}

.message__close:hover {
    opacity: 1;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Формы */
.form-container {
    max-width: 500px;
    margin: 150px auto 50px;
    padding: 30px;
    background-color: white;
    border-radius: 5px;
    box-shadow: var(--shadow-lg);
}

.form-title {
    font-size: 28px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 30px;
    color: var(--primary-color);
    text-transform: uppercase;
}

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

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

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #e2e8f0;
    border-radius: 5px;
    font-size: 16px;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(10, 77, 140, 0.2);
}

.form-text {
    font-size: 14px;
    color: var(--gray-color);
    margin-top: 5px;
}

.form-error {
    color: var(--danger-color);
    font-size: 14px;
    margin-top: 5px;
}

.form-btn {
    width: 100%;
    margin-top: 10px;
}

.form-footer {
    margin-top: 20px;
    text-align: center;
    font-size: 14px;
}

.form-footer a {
    color: var(--primary-color);
    font-weight: 500;
}

.form-footer a:hover {
    text-decoration: underline;
}

/* Профиль */
.profile {
    padding: 60px 0;
    background-color: #f8fafc;
    min-height: calc(100vh - 200px);
}

.profile__header {
    text-align: center;
    margin-bottom: 40px;
    background-color: #fff;
    border-radius: 15px;
    padding: 40px 30px 30px;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.profile__header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(120deg, var(--primary-color), var(--info-color));
    z-index: -1;
}

.profile__avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 15px;
    border: 4px solid white;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    display: block;
    position: relative;
    z-index: 2;
}

.profile__name {
    font-size: 1.8rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 8px;
}

.profile__info {
    font-size: 1rem;
    color: #64748b;
    font-weight: 500;
}

.profile__tabs {
    background-color: #fff;
    border-radius: 15px;
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: 40px;
}

.profile__tabs-nav {
    display: flex;
    background-color: #f1f5f9;
    padding: 0;
    border-bottom: 1px solid #e2e8f0;
}

.profile__tab-btn {
    padding: 15px 25px;
    font-weight: 600;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--gray-color);
    font-size: 1rem;
    transition: var(--transition);
    position: relative;
    flex: 1;
    text-align: center;
}

.profile__tab-btn:hover {
    color: var(--primary-color);
}

.profile__tab-btn.active {
    color: var(--primary-color);
    background-color: #fff;
}

.profile__tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
}

.profile__tab-content {
    display: none;
    padding: 30px;
}

.profile__tab-content.active {
    display: block;
}

.profile__tab-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 25px;
    color: var(--dark-color);
    position: relative;
    padding-bottom: 10px;
}

.profile__tab-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
}

.profile__content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.profile__card {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    padding: 25px;
    transition: var(--transition);
    border: 1px solid #e5e7eb;
}

.profile__card:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.profile__card-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    align-items: center;
}

.profile__card-title i {
    margin-right: 10px;
    color: var(--primary-color);
}

.profile__card-item {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px dashed #e5e7eb;
}

.profile__card-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.profile__card-label {
    display: block;
    font-size: 0.9rem;
    color: var(--gray-color);
    margin-bottom: 5px;
}

.profile__card-value {
    font-size: 1.1rem;
    color: var(--dark-color);
    font-weight: 500;
}

.profile__edit-form {
    max-width: 650px;
    margin: 0 auto;
}

.profile__edit-form .form-group {
    margin-bottom: 20px;
}

.profile__edit-form .form-label {
    font-weight: 500;
    margin-bottom: 8px;
}

.profile__edit-form .form-control {
    background-color: #f8fafc;
    border: 1px solid #e2e8f0;
}

.profile__edit-form .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.profile__edit-form .btn {
    margin-top: 10px;
}

/* Футер */
.footer {
    background-color: var(--dark-color);
    color: white;
    padding: 70px 0 20px;
}

.footer__inner {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.footer__title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer__title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
}

.footer__text {
    margin-bottom: 20px;
    color: #cbd5e1;
}

.footer__social {
    display: flex;
}

.footer__social-link {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    margin-right: 10px;
    transition: var(--transition);
}

.footer__social-link:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.footer__item {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.footer__item i {
    margin-right: 10px;
    color: var(--primary-color);
}

.footer__link {
    color: #cbd5e1;
    transition: var(--transition);
}

.footer__link:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
}

.footer__copyright {
    color: #94a3b8;
    font-size: 14px;
}

/* Медиа-запросы */
@media (max-width: 992px) {
    .section {
        padding: 80px 0;
    }

    .section__title {
        font-size: 32px;
    }
}

@media (max-width: 768px) {
    .burger {
        display: block;
    }

    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: 0;
        background-color: white;
        overflow: hidden;
        transition: var(--transition);
        box-shadow: var(--shadow);
    }

    .nav.active {
        height: auto;
    }

    .nav__list {
        flex-direction: column;
        padding: 20px 0;
    }

    .nav__item {
        margin: 0;
        text-align: center;
    }

    .nav__link {
        display: block;
        padding: 15px;
    }

    .section {
        padding: 60px 0;
    }

    .section__title {
        font-size: 28px;
    }

    .profile__tabs-nav {
        flex-direction: column;
    }

    .profile__tab-btn {
        padding: 12px;
        border-bottom: 1px solid #e2e8f0;
    }

    .profile__tab-btn.active::after {
        height: 0;
    }

    .track-detail__info {
        grid-template-columns: 1fr;
    }

    .back-link {
        position: static;
        margin-bottom: 30px;
    }

    .track-detail__title {
        font-size: 1.8rem;
    }

    .profile__header {
        padding: 35px 20px 25px;
        margin-bottom: 30px;
    }

    .profile__name {
        font-size: 1.5rem;
    }
}

@media (max-width: 576px) {
    .section {
        padding: 50px 0;
    }

    .section__title {
        font-size: 24px;
    }

    .btn {
        padding: 10px 25px;
    }

    .form-container {
        padding: 20px;
    }

    .profile__header {
        padding: 20px;
    }

    .profile__name {
        font-size: 1.5rem;
    }

    .profile__tab-content {
        padding: 20px;
    }

    .tracks-list {
        grid-template-columns: 1fr;
    }

    .track-detail__card {
        padding: 20px;
    }

    .header {
        height: 70px;
        /* Уменьшенная высота шапки на мобильных */
    }

    main {
        padding-top: 70px;
        /* Уменьшенный отступ на мобильных */
    }
}

/* Трек-номера */
.tracks-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.track-card {
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid #e5e7eb;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.track-card:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.track-card__header {
    padding: 20px;
    background: linear-gradient(120deg, var(--primary-color), var(--info-color));
    color: #fff;
}

.track-card__title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 5px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.track-card__number {
    font-size: 0.95rem;
    opacity: 0.9;
    font-family: monospace;
    letter-spacing: 1px;
}

.track-card__body {
    padding: 20px;
    flex-grow: 1;
}

.track-card__status,
.track-card__message,
.track-card__date {
    margin-bottom: 15px;
}

.track-card__label {
    display: block;
    font-size: 0.85rem;
    color: var(--gray-color);
    margin-bottom: 5px;
}

.track-card__value {
    font-size: 1rem;
    color: var(--dark-color);
    font-weight: 500;
}

.track-card__value.status-delivered {
    color: var(--success-color);
}

.track-card__value.status-shipped {
    color: var(--info-color);
}

.track-card__value.status-processing {
    color: var(--warning-color);
}

.track-card__value.status-cancelled {
    color: var(--danger-color);
}

.track-card__footer {
    padding: 15px 20px;
    border-top: 1px solid #e5e7eb;
    background-color: #f8fafc;
    text-align: right;
}

/* Обновленные стили для страницы детализации трека */
.track-detail {
    padding: 60px 0;
    background-color: #f8fafc;
    min-height: calc(100vh - 200px);
}

.track-detail__header {
    margin-bottom: 40px;
    text-align: center;
    position: relative;
}

.back-link {
    display: inline-flex;
    align-items: center;
    margin-bottom: 20px;
    color: var(--gray-color);
    font-weight: 500;
    transition: var(--transition);
    position: absolute;
    left: 0;
    top: 0;
}

.back-link i {
    margin-right: 8px;
}

.back-link:hover {
    color: var(--primary-color);
}

.track-detail__title {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--dark-color);
    position: relative;
}

.track-detail__subtitle {
    font-size: 1.2rem;
    color: var(--gray-color);
}

.track-detail__content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
}

.track-detail__card {
    background-color: #fff;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    padding: 30px;
    border: 1px solid #e5e7eb;
    transition: var(--transition);
}

.track-detail__card:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.track-detail__card-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 25px;
    color: var(--dark-color);
    border-bottom: 1px solid #e5e7eb;
    padding-bottom: 15px;
    position: relative;
}

.track-detail__card-title::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
}

.track-detail__info {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.track-detail__info-item {
    padding: 15px;
    background-color: #f8fafc;
    border-radius: 10px;
    border: 1px solid #e5e7eb;
    transition: var(--transition);
}

.track-detail__info-item:hover {
    background-color: #fff;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.track-detail__info-label {
    font-size: 0.9rem;
    color: var(--gray-color);
    margin-bottom: 8px;
    display: block;
}

.track-detail__info-value {
    font-size: 1.1rem;
    color: var(--dark-color);
    font-weight: 500;
}

.track-detail__current-status {
    background: linear-gradient(120deg, var(--primary-color), var(--info-color));
    color: #fff;
}

.track-detail__current-status .track-detail__card-title {
    color: #fff;
    border-bottom-color: rgba(255, 255, 255, 0.2);
}

.track-detail__current-status .track-detail__card-title::after {
    background-color: #fff;
}

.track-detail__status-box {
    padding: 25px;
    border-radius: 10px;
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.track-detail__status-name {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.track-detail__status-date {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: 15px;
}

.track-detail__status-message {
    font-size: 1.1rem;
    line-height: 1.6;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

/* Стили для timeline */
.track-detail__timeline {
    position: relative;
    padding-left: 40px;
}

.track-detail__timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 19px;
    width: 2px;
    background-color: #e5e7eb;
}

.track-detail__timeline-item {
    position: relative;
    padding-bottom: 40px;
}

.track-detail__timeline-item:last-child {
    padding-bottom: 0;
}

.track-detail__timeline-dot {
    position: absolute;
    left: -40px;
    top: 5px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--info-color);
    border: 3px solid #fff;
    box-shadow: 0 0 0 3px #e5e7eb;
    z-index: 1;
}

.status-dot-delivered {
    background-color: var(--success-color);
}

.status-dot-shipped {
    background-color: var(--info-color);
}

.status-dot-processing {
    background-color: var(--warning-color);
}

.status-dot-cancelled {
    background-color: var(--danger-color);
}

.track-detail__timeline-content {
    background-color: #f8fafc;
    border-radius: 10px;
    padding: 20px;
    border: 1px solid #e5e7eb;
    transition: var(--transition);
}

.track-detail__timeline-content:hover {
    background-color: #fff;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transform: translateX(5px);
}

.track-detail__timeline-date {
    font-size: 0.9rem;
    color: var(--gray-color);
    margin-bottom: 8px;
}

.track-detail__timeline-status {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 10px;
}

.track-detail__timeline-message {
    font-size: 1rem;
    color: var(--dark-color);
    line-height: 1.6;
    padding-top: 10px;
    border-top: 1px dashed #e5e7eb;
}

.track-detail__empty {
    padding: 30px;
    text-align: center;
    background-color: #f8fafc;
    border-radius: 10px;
    border: 1px dashed #e5e7eb;
}

/* Основные секции с отступом */
main {
    padding-top: 80px;
    /* Добавляем отступ для всего основного контента */
}

/* Стили для кнопок класса button */
.button {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
    text-transform: uppercase;
    font-size: 14px;
    text-decoration: none;
}

.button--primary {
    background-color: var(--primary-color);
    color: white;
}

.button--primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.button--outline {
    background-color: transparent;
    border: 2px solid white;
    color: white;
}

.button--outline:hover {
    background-color: white;
    color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

/* Эффект нажатия на кнопку */
.button-pressed {
    transform: scale(0.95) translateY(0) !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1) !important;
    opacity: 0.9;
}