/* EUROCODE Dekoder — styl Szyboneo */
:root {
    --nx-primary-red: #cb0000;
    --nx-bg-gray: #F3F6F8;
    --nx-text-dark: #1A1A1A;
    --nx-border-radius: 8px;
    --nx-input-height: 45px;
    --nx-border: #D9E1E7;
    --nx-white: #FFFFFF;
    --nx-primary-red-hover: #b30000;
    --nx-msg-info-bg: #EAF3FF;
    --nx-msg-warning-bg: #FFF7E6;
    --nx-msg-error-bg: #FFECEC;
}

@import url('https://fonts.googleapis.com/css2?family=Source+Sans+3:ital,wght@0,400;0,600;0,700;1,400&display=swap');

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Source Sans 3', Arial, sans-serif;
    font-size: 15px;
    line-height: 1.5;
    color: var(--nx-text-dark);
    background: var(--nx-bg-gray);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Topbar */
.topbar {
    background: var(--nx-white);
    border-bottom: 1px solid var(--nx-border);
    padding: 12px 16px;
}

.topbar-inner {
    max-width: 1500px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

@media (min-width: 768px) {
    .topbar {
        padding: 12px 24px;
    }
}

.topbar-brand {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--nx-text-dark);
    text-decoration: none;
}

.topbar-nav {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* Linki w topbarze (nie nadpisuj .btn) */
.topbar-nav a.nav-link {
    color: var(--nx-text-dark);
    text-decoration: none;
    font-size: 14px;
}

.topbar-nav a.nav-link:hover {
    color: var(--nx-primary-red);
}

.topbar-nav .btn {
    font-size: 14px;
}

.topbar-lang {
    display: flex;
    align-items: center;
    gap: 4px;
}

.topbar-lang a {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 13px;
}

.topbar-lang a:hover,
.topbar-lang a.active {
    background: var(--nx-bg-gray);
    color: var(--nx-primary-red);
}

/* Main content */
main {
    max-width: 1500px;
    margin: 0 auto;
    padding: 24px 16px;
    width: 100%;
    flex: 1 1 auto;
}

@media (min-width: 768px) {
    main {
        padding: 24px;
    }
}

/* Footer */
.footer {
    width: 100%;
    border-top: 1px solid var(--nx-border);
    background: var(--nx-white);
}
.footer-inner {
    max-width: 1500px;
    margin: 0 auto;
    padding: 14px 16px;
    font-size: 13px;
    color: #5b6b77;
    text-align: center;
}

h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 1rem;
}

@media (min-width: 768px) {
    h1 {
        font-size: 1.65rem;
    }
}

h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0 0 0.75rem;
}

/* Cards */
.card {
    background: var(--nx-white);
    border: 1px solid var(--nx-border);
    border-radius: var(--nx-border-radius);
    padding: 25px;
    margin-bottom: 16px;
}

.card-warning {
    border-color: #e6b800;
    background: var(--nx-msg-warning-bg);
}

.result-cards {
    display: block;
    margin-top: 24px;
}

@media (min-width: 768px) {
    .result-cards {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
}

.card table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.card th {
    text-align: left;
    padding: 6px 8px 6px 0;
    font-weight: 600;
    width: 40%;
}

.card td {
    padding: 6px 0;
}

.card ul {
    margin: 0;
    padding-left: 1.25rem;
    line-height: 1.8;
}

.card ul li {
    margin: 0 0 10px;
}

.card ul li:last-child {
    margin-bottom: 0;
}

.card details {
    margin-top: 12px;
}

.card details summary {
    cursor: pointer;
    font-weight: 600;
}

/* Linki “pigułki” (kody OES/OEM/itd.) */
.pill-link {
    display: inline-block;
    padding: 4px 8px;
    margin: 2px 6px 2px 0;
    border: 1px solid var(--nx-border);
    border-radius: 999px;
    text-decoration: none;
    color: var(--nx-text-dark);
    font-size: 13px;
    background: var(--nx-white);
}
.pill-link:hover {
    border-color: var(--nx-primary-red);
    color: var(--nx-primary-red);
}

/* Forms */
label {
    display: block;
    font-weight: 600;
    margin-bottom: 4px;
    font-size: 14px;
}

input[type="text"],
input[type="password"],
select {
    height: var(--nx-input-height);
    padding: 0 12px;
    border: 1px solid var(--nx-border);
    border-radius: var(--nx-border-radius);
    font-size: 15px;
    font-family: inherit;
    width: 100%;
    max-width: 320px;
}

/* Single search row */
.search-row {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.input-wide {
    max-width: 520px;
    flex: 1 1 420px;
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--nx-primary-red);
    box-shadow: 0 0 0 2px rgba(203, 0, 0, 0.15);
}

input[type="file"] {
    padding: 8px 0;
    font-size: 14px;
}

.form-group {
    margin-bottom: 16px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: var(--nx-input-height);
    padding: 0 20px;
    border-radius: var(--nx-border-radius);
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    border: none;
    text-decoration: none;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--nx-primary-red-hover);
}

.btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-secondary {
    background: var(--nx-white);
    color: var(--nx-text-dark);
    border: 1px solid var(--nx-border);
}

.btn-secondary:hover {
    background: var(--nx-bg-gray);
}

/* Icons in buttons */
.btn .icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* Messages */
.msg {
    padding: 12px 16px;
    border-radius: var(--nx-border-radius);
    margin-bottom: 16px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.msg-info {
    background: var(--nx-msg-info-bg);
    border: 1px solid #b8d4f0;
}

.msg-warning {
    background: var(--nx-msg-warning-bg);
    border: 1px solid #e6b800;
}

.msg-error {
    background: var(--nx-msg-error-bg);
    border: 1px solid #d32f2f;
}

.msg .icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 1px;
}

/* Loader */
.loader {
    width: 20px;
    height: 20px;
    border: 2px solid var(--nx-border);
    border-top-color: var(--nx-primary-red);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Login page */
.login-wrap {
    max-width: 360px;
    margin: 2rem auto;
}

.login-wrap .card {
    padding: 24px;
}

.login-wrap .btn {
    width: 100%;
    margin-top: 8px;
}

/* Batch form */
.batch-options {
    display: grid;
    gap: 16px;
    margin-bottom: 20px;
}

@media (min-width: 600px) {
    .batch-options {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
}

#custom-columns {
    max-height: 280px;
    overflow-y: auto;
    padding: 12px;
    background: var(--nx-white);
    border: 1px solid var(--nx-border);
    border-radius: var(--nx-border-radius);
    margin-top: 8px;
}

#custom-columns label {
    display: inline-block;
    margin-right: 12px;
    margin-bottom: 6px;
    font-weight: 400;
}

/* Tables overflow on mobile */
.table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.card table {
    min-width: 260px;
}