/* ============================================================
   shell.css — обвивка на приложението (навигация, футър, карти,
   бутони, падащи менюта). Извлечено от inline <style> блока в
   _Layout.cshtml, за да се кешира от браузъра вместо да се
   изпраща наново с всяка страница.
   ============================================================ */

:root {
    /* Фирмени цветове — единен източник на истината.
       Преди навигацията беше #1a237e, а --primary-color #2563eb,
       което даваше два различни основни цвята на една страница. */
    --primary-color: #1a237e;
    --primary-hover: #131a5c;
    --primary-soft: rgba(26, 35, 126, 0.08);
    --secondary-color: #5b6478;
    --accent-color: #0ea5e9;
    --success-color: #15803d;
    --warning-color: #a16207;
    --danger-color: #dc2626;
    --background-color: #f8fafc;
    --text-color: #1e293b;
    --text-muted-color: #5b6478;
    --surface: #ffffff;
    --border-color: #dee2e6;

    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;

    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 4px 10px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 12px 24px rgba(15, 23, 42, 0.12);

    --transition: 0.2s ease;

    /* Свързваме и Bootstrap-ските променливи с фирмения цвят.
       Иначе .bg-primary / .text-primary остават светлосини (#0d6efd)
       и се бият с тъмносинята навигация на една и съща страница. */
    --bs-primary: #1a237e;
    --bs-primary-rgb: 26, 35, 126;
    --bs-link-color: #1a237e;
    --bs-link-color-rgb: 26, 35, 126;
    --bs-link-hover-color: #131a5c;
    --bs-link-hover-color-rgb: 19, 26, 92;
    --bs-border-radius: 0.5rem;
}

/* ---------- Навигационно меню ---------- */

.navbar,
.navbar.bg-navy {
    background-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.navbar-brand {
    color: #fff;
}

.navbar .nav-link {
    display: flex;
    align-items: center;
    white-space: nowrap;
    padding: 0.5rem 0.85rem;
    margin: 0 0.1rem;
    border-radius: var(--radius-sm);
    color: rgba(255, 255, 255, 0.9);
    transition: background-color var(--transition), color var(--transition);
}

.navbar .nav-link:hover,
.navbar .nav-link:focus-visible {
    background-color: rgba(255, 255, 255, 0.12);
    color: #fff;
}

.navbar .nav-link.active {
    background-color: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.navbar .nav-link i {
    margin-right: 0.4rem;
    flex-shrink: 0;
    font-size: 1.1rem;
}

/* ---------- Превключвател на езика ---------- */

.language-switcher {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    padding: 0.2rem 0.6rem;
    margin-left: 0.25rem;
    border-radius: var(--radius-sm);
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    transition: background-color var(--transition), color var(--transition);
}

.language-switcher:hover,
.language-switcher:focus-visible {
    background-color: rgba(255, 255, 255, 0.15);
    color: #fff;
}

.language-switcher.active {
    background-color: rgba(255, 255, 255, 0.22);
    color: #fff;
}

/* ---------- Падащи менюта ---------- */

.custom-dropdown-menu {
    display: none;
    position: absolute;
    background-color: var(--surface);
    min-width: 240px;
    max-width: min(90vw, 320px);
    box-shadow: var(--shadow-lg);
    z-index: 1030;
    border-radius: var(--radius-md);
    margin-top: 0.5rem;
    padding: 0.5rem 0;
    list-style: none;
    text-align: left;
    border: none;
}

.custom-dropdown-menu.show {
    display: block;
    animation: fadeIn 0.18s ease-in-out;
}

.custom-dropdown-menu.dropdown-menu-end {
    right: 0;
}

.custom-dropdown-item {
    display: flex;
    align-items: center;
    padding: 0.6rem 1rem;
    color: var(--text-color);
    text-decoration: none;
    background-color: transparent;
    border: 0;
    width: 100%;
    text-align: left;
    transition: background-color var(--transition), color var(--transition);
    cursor: pointer;
}

.custom-dropdown-item:hover,
.custom-dropdown-item:focus-visible {
    background-color: var(--primary-soft);
    color: var(--primary-color);
}

.custom-dropdown-item i {
    margin-right: 0.75rem;
    font-size: 1.05rem;
    width: 1.25rem;
    text-align: center;
    color: var(--primary-color);
    flex-shrink: 0;
}

.custom-dropdown-divider {
    height: 1px;
    margin: 0.4rem 0;
    background-color: var(--border-color);
}

/* ---------- Карти ---------- */

.modern-card,
.stats-card {
    background: var(--surface);
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition), box-shadow var(--transition);
}

.modern-card:hover,
.stats-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* ---------- Модални прозорци ---------- */

.modal-content {
    border: none;
    border-radius: var(--radius-lg);
    background-color: var(--background-color);
}

.modal-header {
    background-color: var(--primary-color);
    color: #fff;
    border-top-left-radius: var(--radius-lg);
    border-top-right-radius: var(--radius-lg);
    border-bottom: none;
}

.modal-body {
    padding: 1.75rem;
}

.modal .list-group-item {
    border: none;
    background-color: var(--surface);
    margin-bottom: 0.5rem;
    border-radius: var(--radius-md) !important;
}

/* ---------- Бутони ---------- */

.btn {
    border-radius: var(--radius-md);
    transition: background-color var(--transition), border-color var(--transition),
                box-shadow var(--transition), transform var(--transition);
}

.btn:hover {
    box-shadow: var(--shadow-sm);
}

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

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
}

.btn-xl {
    padding: 1rem 2rem;
    font-size: 1.25rem;
    line-height: 1.5;
    border-radius: 0.75rem;
}

.btn-xl i {
    font-size: 1.5rem;
    vertical-align: middle;
}

@media (max-width: 576px) {
    .btn-xl {
        padding: 0.75rem 1.5rem;
        font-size: 1.1rem;
    }
}

/* ---------- Помощни класове ---------- */

.gradient-bg {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: #fff;
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
}

.text-truncate-container {
    max-width: 130px;
    display: inline-block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    vertical-align: bottom;
}

.custom-scrollbar {
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.custom-scrollbar::-webkit-scrollbar {
    display: none;
}

/* ---------- Анимации ---------- */

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeInUp 0.45s ease-out both;
}

/* ---------- Мобилни устройства ---------- */

@media (max-width: 991.98px) {
    .navbar-collapse {
        background-color: var(--primary-color);
        padding: 1rem;
        border-radius: var(--radius-md);
        margin-top: 0.5rem;
    }

    .custom-dropdown-menu {
        position: static;
        box-shadow: none;
        margin-top: 0;
        max-width: 100%;
        background-color: rgba(255, 255, 255, 0.1);
        border-radius: var(--radius-md);
    }

    .custom-dropdown-item,
    .custom-dropdown-item i {
        color: #fff;
    }

    .custom-dropdown-item:hover,
    .custom-dropdown-item:focus-visible {
        background-color: rgba(255, 255, 255, 0.2);
        color: #fff;
    }
}

@media (max-width: 767.98px) {
    .topbar-links {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 4px;
    }

    .topbar-links > * {
        flex-shrink: 0;
    }
}