.border-bottom-faint {
    border-bottom: 1px solid #f1f1f1;
}
.letter-spacing-1 {
    letter-spacing: 0.5px;
}
.table th {
    border-bottom: 2px solid #f8f9fa !important;
}
.hover-opacity-100:hover {
    opacity: 1 !important;
    transition: opacity 0.2s;
}
.bg-success-subtle {
    background-color: #e8f5e9 !important;
}
.bg-danger-subtle {
    background-color: #ffebee !important;
}
.dropdown-item:active {
    background-color: #212529;
}
code {
    font-family: 'Monaco', 'Consolas', monospace;
}
dt {
    font-size: 0.9rem;
}
dd {
    font-size: 0.9rem;
}
.nav-tabs .nav-link {
    color: #999;
    background: transparent !important;
    transition: all 0.2s;
}
.nav-tabs .nav-link.active {
    color: #212529;
    border-bottom: 2px solid #212529 !important;
}
.sticky-top {
    top: 0;
    z-index: 1020;
}
.border-transparent {
    border-color: transparent;
}
.list-group-item-action:hover {
    background-color: #f8f9fa;
}

input::placeholder {
    font-weight: normal;
    opacity: 0.4;
    font-size: 0.9rem;
}
.form-control:focus, .form-select:focus {
    border-color: #212529 !important;
    background-color: #fff !important;
}
.form-control:disabled {
    cursor: not-allowed;
    border-style: dashed;
}
.form-control[readonly] {
    background-color: #f8f9fa !important;
    border-style: dashed;
    cursor: default;
}
.form-check-input:checked {
    background-color: #212529;
    border-color: #212529;
}
.input-group-text {
    font-size: 0.8rem;
}
.sticky-bottom {
    z-index: 1020;
    margin-bottom: -1rem;
}
select[multiple] option:checked {
    background-color: #212529 !important;
    color: white !important;
}
/* Minimalistické vstupy bez tlustých rámů */
.form-control:focus, .form-select:focus {
    border-color: #212529 !important;
    background-color: transparent;
}
.focus-dark:focus {
    border-bottom-width: 2px !important;
}
.focus-bg-white:focus {
    background-color: #fff !important;
    border-color: #212529 !important;
}

/* Switche v černé barvě */
.form-check-input:checked {
    background-color: #212529;
    border-color: #212529;
}

/* Animace a interakce */
.transition-all {
    transition: all 0.25s ease-in-out;
}
.hover-shadow-sm:hover {
    border-color: #212529 !important;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}
.hover-grow:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}
.cursor-pointer {
    cursor: pointer;
}
:root {
    --sc-accent: #0d6efd;
}
body {
    background-color: #fcfcfc;
    color: #333;
}

/* Minimalistický Topnav */
.sb-topnav {
    background-color: #ffffff !important;
    border-bottom: 1px solid #eee;
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
    height: 60px;
}
.sb-topnav .navbar-brand {
    color: #000 !important;
    font-weight: 800;
    letter-spacing: -0.5px;
    font-size: 1.15rem;
}
.sb-topnav .nav-link {
    color: #666 !important;
}

/* Search Bar styling */
.input-group-search {
    background: #f1f3f5;
    border-radius: 8px;
    padding: 2px 10px;
    border: 1px solid transparent;
    transition: all 0.2s;
}
.input-group-search:focus-within {
    background: #fff;
    border-color: var(--sc-accent);
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.1);
}
.input-group-search input {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    font-size: 0.9rem;
}

/* Sidebar tweaks */
.sb-sidenav {
    background-color: #fff !important;
}
.sb-sidenav-menu-heading {
    padding-left: 1.5rem !important;
}
.nav-link {
    margin: 0.1rem 0.8rem;
    border-radius: 8px;
}
.nav-link.active {
    background-color: #f1f3f5 !important;
    color: var(--sc-accent) !important;
}
.nav-link.active i {
    color: var(--sc-accent) !important;
}

/* Alerts & Cards */
.alert {
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}
/* ==========================================================================
   FINAL UNIFIED ULTRA-MINIMALIST STYLE
   ========================================================================== */

/* RESET & ZÁKLAD */
.sb-topnav {
    height: 56px;
    z-index: 1039;
    background-color: #fff !important;
    border-bottom: 1px solid #f2f2f2;
    display: flex;
    align-items: center;
}
.navbar-brand {
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    font-weight: 800;
    color: #000 !important;
}
.extra-small {
    font-size: 0.7rem;
}
.hover-opacity-100:hover {
    opacity: 1 !important;
}

/* ULTRA NAVIGACE - Zvýšená základní viditelnost */
.nav-ultra {
    font-size: 0.62rem !important;
    font-weight: 700 !important;
    text-transform: uppercase;
    letter-spacing: 1.4px;
    color: #000 !important;
    opacity: 0.80; /* Zvýšeno na 0.75 */
    padding: 0.5rem 0.8rem !important;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
}

.nav-ultra i {
    font-size: 0.75rem;
    margin-right: 12px;
}

.nav-ultra:hover, .nav-item.show .nav-ultra {
    opacity: 1;
    background: rgba(0,0,0,0.03);
    border-radius: 4px;
}

/* DROPDOWN OKNA */
.dropdown-ultra {
    border: 1px solid #f2f2f2 !important;
    border-radius: 4px !important;
    box-shadow: 0 15px 35px rgba(0,0,0,0.05) !important;
    padding: 0.8rem 0 !important;
    margin-top: 10px !important;
    min-width: 220px;
    background: #fff;
}

.dropdown-ultra .dropdown-header {
    font-size: 0.55rem;
    letter-spacing: 1.2px;
    font-weight: 800;
    color: #000;
    text-transform: uppercase;
    padding: 0.5rem 1.4rem;
    opacity: 0.4; /* Header mírně výraznější */
}

.dropdown-ultra .dropdown-item {
    font-size: 0.75rem;
    padding: 0.5rem 1.4rem;
    color: #444; /* Tmavší text položek */
    transition: all 0.2s ease;
}

.dropdown-ultra .dropdown-item:hover {
    background: #f8f9fa;
    color: #000;
    padding-left: 1.6rem;
}

/* SEARCH - Stabilní a čitelnější */
.input-group-search {
    border-bottom: 1px solid #eee;
    width: 160px;
    display: flex;
    align-items: center;
}

.ultra-search {
    border: none !important;
    background: transparent !important;
    font-size: 0.75rem;
    padding: 0 !important;
    width: 100%;
    opacity: 0.75; /* Zvýšeno na 0.75 */
    transition: opacity 0.2s ease;
}

.ultra-search:focus {
    box-shadow: none !important;
    opacity: 1;
}

/* USER AVATAR */
.user-avatar-circle {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid #eee;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    opacity: 0.8; /* Zvýšeno */
    transition: opacity 0.2s;
}
.nav-link:hover .user-avatar-circle {
    opacity: 1;
}

/* ANIMACE */
.slideIn {
    animation: slideInSimple 0.2s ease-out forwards;
}
@keyframes slideInSimple {
    from {
        transform: translateY(8px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}