* {
    font-family: 'Inter', system-ui, -apple-system, sans-serif !important;
}

.main-link {
    color: red !important;
}

main > .container {
    padding: 70px 15px 20px;
}

.navbar-brand-logo {
    transition: .7s;
    width: 360px;
    height: auto;
    margin-top: -65px;
    margin-bottom: -95px;
    margin-left: -30px;
}

.navbar-brand-logo:hover,
.navbar-brand-logo:focus {
    opacity: 0.7;
}

@media(max-width:768px) {
    .navbar-brand-logo {
        width: 290px;
        margin-top: -80px;
        margin-left: -25px;
    }
}

.navbar-brand {
    overflow: hidden;
}

.footer {
    background-color: #f5f5f5;
    font-size: .9em;
    height: 60px;
}

.footer > .container {
    padding-right: 15px;
    padding-left: 15px;
}

.not-set {
    color: #c55;
    font-style: italic;
}

/* add sorting icons to gridview sort links */
a.asc:after, a.desc:after {
    content: '';
    left: 3px;
    display: inline-block;
    width: 0;
    height: 0;
    border: solid 5px transparent;
    margin: 4px 4px 2px 4px;
    background: transparent;
}

a.asc:after {
    border-bottom: solid 7px #212529;
    border-top-width: 0;
}

a.desc:after {
    border-top: solid 7px #212529;
    border-bottom-width: 0;
}

.grid-view th {
    white-space: nowrap;
}

.hint-block {
    display: block;
    margin-top: 5px;
    color: #999;
}

.error-summary {
    color: #a94442;
    background: #fdf7f7;
    border-left: 3px solid #eed3d7;
    padding: 10px 20px;
    margin: 0 0 15px 0;
}

/* align the logout "link" (button in form) of the navbar */
.nav li > form > button.logout {
    padding-top: 7px;
    color: rgba(255, 255, 255, 0.5);
}

@media(max-width:768px) {
    .nav li > form > button.logout {
        display:block;
        text-align: left;
        width: 100%;
        padding: 10px 0;
    }
}

.nav > li > form > button.logout:focus,
.nav > li > form > button.logout:hover {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.75);
}

.nav > li > form > button.logout:focus {
    outline: none;
}

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

/* custom */

body {
    background-color: #f9f9f9;
}

.navbar-collapse {
    flex-grow: 0 !important;
}

.main-wrapper {
    justify-content: space-around;
}

.main-cart  {
    padding: 15px 25px;
    margin: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border-radius: 10px;
    background-color: #fff;
    transition: .7s;
}

.main-cart:hover {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.main_cart-header {
    text-align: center;
}

.footer-text {
    color: #9e9e9e;
    font-size: 0.8em;
}

.footer-link {
    color: #999;
}

.video_nav_buttons {
    display: flex !important;
    justify-content: space-between !important;
}

.video_info-text {
    font-size: 0.9em;
}

/** адаптивность **/
@media (max-width: 768px) {
    .main-cart {
        margin: 0;
    }

    .video_nav_buttons {
        flex-direction: column;
    }

    .video_nav_buttons-btn {
        margin-bottom: 10px;
    }
}

/** для админки **/
.admin_panel-header {
    color: #999 !important;
}

/** форма для записи на ТЗ **/

/* Улучшенные стили для кнопок слотов */
.slot-button {
    transition: all 0.2s ease;
    border: 1px solid rgba(0,0,0,0.1);
}

.slot-button:hover:not(.disabled) {
    transform: translateY(-2px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* Индикатор загрузки */
.btn-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid #fff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}
/** .форма для записи на ТЗ **/

.main-header {
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/** Стили для страницы документов */
.document-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border-radius: 12px;
    overflow: hidden;
}

.document-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1) !important;
}

.card-img-top-wrapper {
    padding: 1.5rem;
    border-bottom: 1px solid #f0f0f0;
}

.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.btn-outline-danger {
    transition: all 0.2s ease;
}

.btn-outline-danger:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(220, 53, 69, 0.2);
}

.bg-opacity-10 {
    background-color: rgba(220, 53, 69, 0.1);
}