:root {
    --dirt-bg: #23201c;
    --dirt-bg-light: #3a3732;
    --dirt-bg-dark: #181714;
    --dirt-gray: #6e6a65;
    --dirt-gray-light: #a9a29a;
    --dirt-accent: #bfa97a;
    --dirt-accent-dark: #9e8758;
    --dirt-white: #eae6df;
}

body {
    background: var(--dirt-bg) url('img/neutral_background.png') no-repeat center center fixed;
    background-size: cover;
    color: var(--dirt-white);
    font-family: 'Inter', sans-serif;
}

.container-fluid {
    max-width: 1440px;
    margin: 0 auto;
    padding: 2rem 1rem;
    background: rgba(35, 32, 28, 0.96);
    border-radius: 18px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.28);
}

h1 {
    font-weight: 800;
    color: var(--dirt-accent);
    text-shadow: 0 2px 4px rgba(0,0,0,0.25);
    border-bottom: 2px solid var(--dirt-accent-dark);
    padding-bottom: 1rem;
    margin-bottom: 2rem;
}

.row {
    margin-left: -2px;
    margin-right: -2px;
}
.col-md-6, .col-lg-4 {
    padding-left: 2px;
    padding-right: 2px;
}

.card {
    background: var(--dirt-bg-light);
    border: 1px solid var(--dirt-gray);
    border-radius: 14px;
    box-shadow: 0 6px 24px rgba(0,0,0,0.18);
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 370px;
    transition: box-shadow 0.3s, transform 0.3s;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 32px rgba(191, 169, 122, 0.15);
    border-color: var(--dirt-accent);
    z-index: 2;
}

.card-img-top {
    width: 98%;
    height: 220px;
    object-fit: contain;
    margin: 1.1rem auto 0.5rem auto;
    background: var(--dirt-bg-dark);
    border-radius: 0.8rem;
    border-bottom: 2px solid var(--dirt-gray);
    display: block;
    transition: transform 0.3s cubic-bezier(.4,2,.3,1), border-color 0.3s;
    will-change: transform;
}

.card-img-top:hover {
    border-color: var(--dirt-accent);
}

.card-title {
    font-size: 1.13rem;
    font-weight: 700;
    color: var(--dirt-accent);
    margin-bottom: 0.3rem;
}

.card-text {
    font-size: 1rem;
    margin-bottom: 0.7rem;
    color: var(--dirt-gray-light);
}

.card-body {
    flex: 1 1 auto;
    padding: 0.3rem 0.5rem 1rem 0.5rem;
    text-align: center;
}

.btn-primary {
    background: var(--dirt-accent);
    border: none;
    color: var(--dirt-bg-dark);
    font-weight: 600;
    letter-spacing: 0.02em;
    border-radius: 0.7rem;
    transition: background 0.15s, transform 0.2s;
}

.btn-primary:hover {
    background: var(--dirt-accent-dark);
    color: var(--dirt-bg-dark);
    transform: scale(1.05);
}

.btn-outline-dark {
    border-radius: .5rem;
    border-color: var(--dirt-accent);
    color: var(--dirt-accent);
    background: none;
    transition: background 0.2s, color 0.2s;
}

.btn-outline-dark:hover {
    background: var(--dirt-accent);
    color: var(--dirt-bg-dark);
}

.filter-box {
    border-radius: 14px;
    border: 1px solid var(--dirt-gray);
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
    background: var(--dirt-bg-light);
    padding: 1.5rem 1rem 1rem 1rem;
    margin-bottom: 2rem;
}

.form-label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--dirt-accent);
}

/* Moderní select kategorií */
.form-select {
    background: var(--dirt-bg-dark);
    color: var(--dirt-white);
    border: 1px solid var(--dirt-gray);
    border-radius: 0.6rem;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.form-select:focus {
    border-color: var(--dirt-accent);
    box-shadow: 0 0 0 2px rgba(191, 169, 122, 0.25);
    outline: none;
    background: var(--dirt-bg-dark);
    color: var(--dirt-white);
}
.form-select option {
    background: var(--dirt-bg-light);
    color: var(--dirt-white);
}
.form-select option:checked, .form-select option:hover {
    background: var(--dirt-accent-dark);
    color: var(--dirt-bg-dark);
}

/* --- Šedý HTML range slider ve všech prohlížečích --- */
input[type="range"] {
    width: 100%;
    background: transparent;
    height: 8px;
    margin: 0;
    padding: 0;
    accent-color: var(--dirt-accent);
}

/* Chrome, Safari, Edge */
input[type="range"]::-webkit-slider-thumb {
    background: var(--dirt-accent);
    border: 2px solid var(--dirt-bg-dark);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    cursor: pointer;
    box-shadow: 0 2px 5px rgba(0,0,0,0.13);
    margin-top: -6px;
    appearance: none;
}
input[type="range"]::-webkit-slider-runnable-track {
    background: var(--dirt-gray);
    height: 8px;
    border-radius: 6px;
}
input[type="range"]:focus::-webkit-slider-runnable-track {
    background: var(--dirt-gray);
}

/* Firefox */
input[type="range"]::-moz-range-thumb {
    background: var(--dirt-accent);
    border: 2px solid var(--dirt-bg-dark);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    cursor: pointer;
    box-shadow: 0 2px 5px rgba(0,0,0,0.13);
}
input[type="range"]::-moz-range-track {
    background: var(--dirt-gray);
    height: 8px;
    border-radius: 6px;
}

/* IE/Edge */
input[type="range"]::-ms-fill-lower,
input[type="range"]::-ms-fill-upper {
    background: var(--dirt-gray);
    border-radius: 6px;
}
input[type="range"]::-ms-thumb {
    background: var(--dirt-accent);
    border: 2px solid var(--dirt-bg-dark);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    cursor: pointer;
    box-shadow: 0 2px 5px rgba(0,0,0,0.13);
}

/* Remove outline and border for all browsers */
input[type="range"]:focus {
    outline: none;
    border: none;
}

/* Remove extra padding in Firefox */
input[type="range"] {
    padding: 0;
}

/* Range wrapper for spacing */
.range-wrapper {
    display: flex;
    gap: 0;
    align-items: center;
    margin-bottom: 0.5rem;
}

/* Number input styling */
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.d-flex input[type=number] {
    font-size: 1rem;
    padding: 0.2rem 0.5rem;
    border-radius: 0.5rem;
    border: 1px solid var(--dirt-gray);
    width: 100%;
    background: var(--dirt-bg-dark);
    color: var(--dirt-white);
}

.bg-light {
    background-color: var(--dirt-bg-light) !important;
    color: var(--dirt-white) !important;
}

.navbar-light .btn-outline-primary {
    border-color: var(--dirt-accent);
    color: var(--dirt-accent);
    border-radius: .5rem;
    transition: all 0.3s ease;
}

.navbar-light .btn-outline-primary:hover {
    background-color: var(--dirt-accent);
    color: var(--dirt-bg-dark);
}

.modal-content {
    background-color: var(--dirt-bg-light);
    color: var(--dirt-white);
    border: 1px solid var(--dirt-accent-dark);
    border-radius: 1rem;
}

@media (max-width: 991px) {
    .col-md-6, .col-lg-4 {
        padding-left: 1px;
        padding-right: 1px;
    }
    .container-fluid {
        padding: 1rem 0.5rem;
    }
    .card-img-top {
        height: 160px;
    }
    .card {
        min-height: 300px;
    }
}

@media (max-width: 768px) {
    .filter-box {
        margin-bottom: 1.2rem;
        padding: 1.2rem 0.6rem;
    }
}