/* ==========================================================================
   Normatyw.rho.pl - Stylesheet
   Professional, clean design for technical/engineering application.
   ========================================================================== */

/* ---- Base ---- */

:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-bg: #f8f9fa;
    --color-card: #ffffff;
    --color-border: #e5e7eb;
    --color-text: #1f2937;
    --color-text-secondary: #6b7280;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
}

/* ---- Typography ---- */

h1, h2, h3, h4, h5, h6 {
    letter-spacing: -0.01em;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

a:hover {
    color: var(--color-primary-dark);
}

/* ---- Navbar ---- */

.navbar {
    padding: 0.75rem 0;
}

.navbar-brand {
    font-size: 1.25rem;
    letter-spacing: -0.02em;
}

.navbar-dark .nav-link {
    color: rgba(255, 255, 255, 0.75);
    padding: 0.5rem 0.85rem;
    font-size: 0.9rem;
    transition: color 0.15s;
}

.navbar-dark .nav-link:hover,
.navbar-dark .nav-link.active {
    color: #ffffff;
}

/* ---- Cards ---- */

.card {
    border-radius: 0.5rem;
    transition: box-shadow 0.2s;
}

.card:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.card-header {
    background-color: var(--color-card);
    padding: 1rem 1.25rem;
}

/* ---- Buttons ---- */

.btn {
    border-radius: 0.375rem;
    font-weight: 500;
    transition: all 0.15s;
}

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

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

.btn-lg {
    padding: 0.65rem 1.5rem;
    font-size: 1rem;
}

/* ---- Forms ---- */

.form-control,
.form-select {
    border-radius: 0.375rem;
    border-color: var(--color-border);
    padding: 0.5rem 0.75rem;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-control-lg {
    padding: 0.65rem 1rem;
    font-size: 1rem;
}

/* ---- Tables ---- */

.table {
    font-size: 0.9rem;
}

.table thead th {
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--color-text-secondary);
    border-bottom-width: 1px;
}

.table-hover tbody tr:hover {
    background-color: rgba(37, 99, 235, 0.03);
}

/* ---- Badges ---- */

.badge {
    font-weight: 500;
    font-size: 0.75rem;
    padding: 0.3em 0.6em;
    border-radius: 0.25rem;
}

/* ---- Hero ---- */

.hero-section {
    padding: 3rem 0;
}

.hero-section h1 {
    color: var(--color-text);
    line-height: 1.2;
}

/* ---- Feature icons ---- */

.feature-icon {
    width: 64px;
    height: 64px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.75rem;
    background: rgba(37, 99, 235, 0.08);
    margin: 0 auto;
}

.feature-icon i {
    font-size: 1.75rem;
}

/* ---- Score badge ---- */

.score-badge {
    margin: 0 auto;
    line-height: 1.2;
}

/* ---- Progress ---- */

.progress {
    border-radius: 4px;
    background-color: #e5e7eb;
}

/* ---- Alerts ---- */

.alert {
    border-radius: 0.375rem;
    font-size: 0.9rem;
}

/* ---- Accordion ---- */

.accordion-button {
    font-weight: 500;
    font-size: 0.95rem;
}

.accordion-button:focus {
    box-shadow: none;
    border-color: var(--color-border);
}

.accordion-button:not(.collapsed) {
    background-color: rgba(37, 99, 235, 0.05);
    color: var(--color-primary);
}

/* ---- OCR output ---- */

.ocr-text-output {
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--color-text);
}

/* ---- Footer ---- */

footer {
    font-size: 0.9rem;
}

footer a:hover {
    color: #ffffff !important;
}

/* ---- Breadcrumb ---- */

.breadcrumb {
    font-size: 0.85rem;
    margin-bottom: 0;
}

/* ---- Pricing cards ---- */

.col-md-4 .card .display-5 {
    font-size: 2.5rem;
}

/* ---- Responsive ---- */

@media (max-width: 768px) {
    .hero-section {
        padding: 2rem 0;
    }

    .hero-section h1 {
        font-size: 1.75rem;
    }

    .display-5 {
        font-size: 2rem;
    }

    .table {
        font-size: 0.8rem;
    }

    .btn-group .btn {
        padding: 0.25rem 0.5rem;
    }
}

@media (max-width: 576px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .card-body {
        padding: 1rem;
    }
}

/* ---- Print ---- */

@media print {
    .navbar,
    footer,
    .btn,
    .breadcrumb {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .card {
        border: 1px solid #ccc !important;
        box-shadow: none !important;
    }

    .badge {
        border: 1px solid #666;
    }
}