/* ==========================================================================
   Szansa dla Niewidomych — "Włączmy się" Application Portal
   Design inspired by fundacjaszansa.org
   ========================================================================== */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Source+Sans+3:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap');

/* ==========================================================================
   CSS Custom Properties
   ========================================================================== */

:root {
    /* Szansa brand palette */
    --szansa-navy:       #004C6E;
    --szansa-navy-dark:  #003A55;
    --szansa-navy-light: #005F8A;
    --szansa-teal:       #007199;
    --szansa-orange:     #F17E00;
    --szansa-orange-hover:#D96E00;
    --szansa-orange-light:#FFF3E0;
    --szansa-sky:        #E8F4F8;
    --szansa-ice:        #F4F7FF;
    --szansa-white:      #FFFFFF;
    --szansa-gray-50:    #F9FAFB;
    --szansa-gray-100:   #F3F4F6;
    --szansa-gray-200:   #E5E7EB;
    --szansa-gray-300:   #D1D5DB;
    --szansa-gray-400:   #9CA3AF;
    --szansa-gray-500:   #6B7280;
    --szansa-gray-600:   #4B5563;
    --szansa-gray-700:   #374151;
    --szansa-gray-800:   #1F2937;
    --szansa-danger:     #DC2626;
    --szansa-success:    #16A34A;
    --szansa-warning:    #F59E0B;

    /* Typography */
    --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --space-xs:  0.25rem;
    --space-sm:  0.5rem;
    --space-md:  1rem;
    --space-lg:  1.5rem;
    --space-xl:  2rem;
    --space-2xl: 3rem;

    /* Radii */
    --radius-sm:  6px;
    --radius-md:  10px;
    --radius-lg:  16px;
    --radius-pill: 50px;

    /* Shadows */
    --shadow-sm:  0 1px 3px rgba(0, 76, 110, 0.08);
    --shadow-md:  0 4px 12px rgba(0, 76, 110, 0.10);
    --shadow-lg:  0 8px 30px rgba(0, 76, 110, 0.12);
    --shadow-card:0 2px 8px rgba(0, 76, 110, 0.07);

    /* Transitions */
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   Base & Reset overrides
   ========================================================================== */

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.65;
    color: var(--szansa-gray-700);
    background-color: var(--szansa-ice);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: rgba(0, 76, 110, 0.15);
    color: var(--szansa-navy-dark);
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-md);
    z-index: 9999;
    padding: var(--space-sm) var(--space-md);
    background: var(--szansa-navy);
    color: var(--szansa-white);
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    font-weight: 600;
    text-decoration: none;
    transition: top var(--transition);
}

.skip-link:focus {
    top: 0;
    color: var(--szansa-white);
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    font-family: var(--font-body);
    font-weight: 700;
    color: var(--szansa-navy);
    letter-spacing: -0.01em;
    line-height: 1.25;
}

h1, .h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
    position: relative;
    padding-bottom: var(--space-md);
}

h1::after, .h1::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--szansa-orange), var(--szansa-orange-hover));
    border-radius: 2px;
}


h2, .h2 { font-size: 1.5rem; }
h3, .h3 { font-size: 1.25rem; }
h4, .h4 { font-size: 1.125rem; }
h5, .h5 { font-size: 1rem; }

a {
    color: var(--szansa-navy);
    text-decoration-color: rgba(0, 76, 110, 0.3);
    text-underline-offset: 2px;
    transition: color var(--transition), text-decoration-color var(--transition);
}

a:hover {
    color: var(--szansa-orange);
    text-decoration-color: var(--szansa-orange);
}

a:focus-visible {
    outline: 3px solid var(--szansa-orange);
    outline-offset: 2px;
    border-radius: 2px;
}

.text-muted {
    color: var(--szansa-gray-500) !important;
}

/* ==========================================================================
   Navbar
   ========================================================================== */

.navbar {
    background: linear-gradient(135deg, var(--szansa-navy) 0%, var(--szansa-navy-light) 100%) !important;
    border: none;
    padding: 0.875rem 0;
    box-shadow: var(--shadow-md);
    margin-bottom: 0 !important;
}

.navbar-brand {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--szansa-white) !important;
    padding: var(--space-xs) 0;
    transition: opacity var(--transition);
}

.navbar-brand:hover {
    opacity: 0.9;
    color: var(--szansa-white) !important;
}

.navbar .navbar-text {
    font-size: 0.9375rem;
    gap: var(--space-md) !important;
}

.navbar .btn-outline-light {
    border-color: rgba(255, 255, 255, 0.5);
    color: var(--szansa-white);
    font-weight: 600;
    font-size: 0.8125rem;
    padding: 0.3rem 1rem;
    border-radius: var(--radius-pill);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all var(--transition);
}

.navbar .btn-outline-light:hover,
.navbar .btn-outline-light:focus-visible {
    background: var(--szansa-orange);
    border-color: var(--szansa-orange);
    color: var(--szansa-white);
    box-shadow: 0 2px 8px rgba(241, 126, 0, 0.3);
}

/* Accent bar below navbar */
.navbar::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--szansa-orange) 0%, var(--szansa-teal) 100%);
}

/* ==========================================================================
   Section Nav (Dokumenty / Wiadomości tabs)
   ========================================================================== */

nav[aria-label="Nawigacja sekcji"] {
    background: var(--szansa-white);
    border-bottom: 2px solid var(--szansa-gray-200);
    box-shadow: 0 1px 4px rgba(0, 76, 110, 0.05);
}

nav[aria-label="Nawigacja sekcji"] .nav-tabs {
    border-bottom: none;
    gap: var(--space-xs);
}

nav[aria-label="Nawigacja sekcji"] .nav-link {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--szansa-gray-500);
    border: none;
    border-bottom: 3px solid transparent;
    padding: 0.75rem 1.25rem;
    margin-bottom: -2px;
    border-radius: 0;
    transition: color var(--transition), border-color var(--transition), background var(--transition);
    letter-spacing: 0.01em;
}

nav[aria-label="Nawigacja sekcji"] .nav-link:hover {
    color: var(--szansa-navy);
    background: var(--szansa-ice);
    border-bottom-color: var(--szansa-gray-300);
}

nav[aria-label="Nawigacja sekcji"] .nav-link.active {
    color: var(--szansa-navy);
    background: transparent;
    border-bottom: 3px solid var(--szansa-orange);
    font-weight: 700;
}

nav[aria-label="Nawigacja sekcji"] .nav-link:focus-visible {
    outline: 3px solid var(--szansa-orange);
    outline-offset: -3px;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

nav[aria-label="Nawigacja sekcji"] .nav-link-unread {
    color: var(--szansa-navy);
    font-weight: 700;
}

nav[aria-label="Nawigacja sekcji"] .badge-unread {
    color: var(--szansa-orange);
    font-weight: 700;
}

/* ==========================================================================
   Main content area
   ========================================================================== */

.container.py-4 {
    padding-top: var(--space-2xl) !important;
    padding-bottom: var(--space-2xl) !important;
    max-width: 1100px;
}

/* ==========================================================================
   Cards
   ========================================================================== */

.card {
    border: 1px solid var(--szansa-gray-200);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: box-shadow var(--transition), transform var(--transition);
    background: var(--szansa-white);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    font-weight: 600;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    padding: var(--space-md) var(--space-lg);
}

.card-header.bg-primary {
    background: linear-gradient(135deg, var(--szansa-navy) 0%, var(--szansa-navy-light) 100%) !important;
    border-bottom: 3px solid var(--szansa-orange);
}

.card-header.bg-success {
    background: linear-gradient(135deg, #15803d 0%, var(--szansa-success) 100%) !important;
    border-bottom: 3px solid #86efac;
}

.card-header.bg-info {
    background: linear-gradient(135deg, var(--szansa-teal) 0%, #0ea5e9 100%) !important;
    border-bottom: 3px solid #7dd3fc;
}

.card-header.bg-warning {
    background: linear-gradient(135deg, #d97706 0%, var(--szansa-warning) 100%) !important;
    border-bottom: 3px solid #fde68a;
    color: var(--szansa-white);
}

.card-header .card-title {
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: 0.01em;
}

.card-header.text-white .card-title {
    color: var(--szansa-white);
}

.card-body {
    padding: var(--space-lg);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    font-family: var(--font-body);
    font-weight: 600;
    border-radius: var(--radius-sm);
    padding: 0.5rem 1.25rem;
    transition: all var(--transition);
    text-decoration: none;
    letter-spacing: 0.01em;
}

.btn:focus-visible {
    outline: 3px solid var(--szansa-orange);
    outline-offset: 2px;
    box-shadow: none;
}

/* Primary — Szansa orange (action) */
.btn-primary {
    background: var(--szansa-orange) !important;
    border-color: var(--szansa-orange) !important;
    color: var(--szansa-white) !important;
    box-shadow: 0 2px 4px rgba(241, 126, 0, 0.2);
}

.btn-primary:hover,
.btn-primary:focus-visible {
    background: var(--szansa-orange-hover) !important;
    border-color: var(--szansa-orange-hover) !important;
    box-shadow: 0 4px 12px rgba(241, 126, 0, 0.3);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(241, 126, 0, 0.2);
}

/* Success */
.btn-success {
    background: var(--szansa-success) !important;
    border-color: var(--szansa-success) !important;
    box-shadow: 0 2px 4px rgba(22, 163, 74, 0.2);
}

.btn-success:hover {
    background: #15803d !important;
    border-color: #15803d !important;
    box-shadow: 0 4px 12px rgba(22, 163, 74, 0.3);
    transform: translateY(-1px);
}

/* Info */
.btn-info {
    background: var(--szansa-teal) !important;
    border-color: var(--szansa-teal) !important;
    color: var(--szansa-white) !important;
    box-shadow: 0 2px 4px rgba(0, 113, 153, 0.2);
}

.btn-info:hover {
    background: var(--szansa-navy) !important;
    border-color: var(--szansa-navy) !important;
    box-shadow: 0 4px 12px rgba(0, 76, 110, 0.3);
    transform: translateY(-1px);
}

/* Outline variants */
.btn-outline-primary {
    color: var(--szansa-orange);
    border-color: var(--szansa-orange);
}

.btn-outline-primary:hover {
    background: var(--szansa-orange);
    border-color: var(--szansa-orange);
    color: var(--szansa-white);
    transform: translateY(-1px);
}

.btn-outline-secondary {
    color: var(--szansa-gray-600);
    border-color: var(--szansa-gray-300);
    background: var(--szansa-white);
}

.btn-outline-secondary:hover {
    background: var(--szansa-gray-100);
    border-color: var(--szansa-gray-400);
    color: var(--szansa-gray-800);
    transform: translateY(-1px);
}

.btn-outline-danger {
    color: var(--szansa-danger);
    border-color: rgba(220, 38, 38, 0.4);
}

.btn-outline-danger:hover {
    background: var(--szansa-danger);
    border-color: var(--szansa-danger);
    color: var(--szansa-white);
}

/* Large buttons */
.btn-lg {
    padding: 0.75rem 2rem;
    font-size: 1.0625rem;
    border-radius: var(--radius-md);
}

/* Small buttons */
.btn-sm {
    padding: 0.3rem 0.875rem;
    font-size: 0.8125rem;
    border-radius: var(--radius-sm);
}

/* Full-width buttons in cards */
.card-body .btn.w-100 {
    padding: 0.625rem 1rem;
    font-size: 1rem;
    border-radius: var(--radius-sm);
    margin-top: var(--space-sm);
}

/* ==========================================================================
   Forms
   ========================================================================== */

.form-control,
.form-select {
    font-family: var(--font-body);
    border: 1.5px solid var(--szansa-gray-300);
    border-radius: var(--radius-sm);
    padding: 0.625rem 0.875rem;
    font-size: 1rem;
    color: var(--szansa-gray-800);
    background-color: var(--szansa-white);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--szansa-navy);
    box-shadow: 0 0 0 3px rgba(0, 76, 110, 0.12);
    outline: none;
}

.form-control.is-invalid,
.form-select.is-invalid {
    border-color: var(--szansa-danger);
    box-shadow: none;
}

.form-control.is-invalid:focus,
.form-select.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12);
}

.form-label,
label {
    font-weight: 600;
    color: var(--szansa-gray-700);
    margin-bottom: 0.35rem;
    font-size: 0.9375rem;
}

.form-text {
    color: var(--szansa-gray-500);
    font-size: 0.8125rem;
}

.invalid-feedback {
    color: var(--szansa-danger);
    font-size: 0.8125rem;
    font-weight: 500;
    margin-top: 0.25rem;
}

/* Checkbox / radio styling */
.form-check-input:checked {
    background-color: var(--szansa-navy);
    border-color: var(--szansa-navy);
}

.form-check-input:focus {
    border-color: var(--szansa-navy);
    box-shadow: 0 0 0 3px rgba(0, 76, 110, 0.15);
}

textarea.form-control {
    min-height: 100px;
}

/* ==========================================================================
   Alerts
   ========================================================================== */

.alert {
    border: none;
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    font-size: 0.9375rem;
    position: relative;
    box-shadow: var(--shadow-sm);
}

.alert::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.alert-danger {
    background: #FEF2F2;
    color: #991B1B;
    border-left: 4px solid var(--szansa-danger);
}

.alert-danger::before { background: var(--szansa-danger); }

.alert-success {
    background: #F0FDF4;
    color: #166534;
    border-left: 4px solid var(--szansa-success);
}

.alert-success::before { background: var(--szansa-success); }

.alert-warning {
    background: #FFFBEB;
    color: #92400E;
    border-left: 4px solid var(--szansa-warning);
}

.alert-warning::before { background: var(--szansa-warning); }

.alert-info {
    background: var(--szansa-sky);
    color: var(--szansa-navy);
    border-left: 4px solid var(--szansa-teal);
}

.alert-info::before { background: var(--szansa-teal); }

.alert a {
    color: inherit;
    font-weight: 600;
    text-decoration: underline;
}

.alert .btn-close {
    padding: 1rem;
}

/* Error summary in forms */
#error-summary {
    margin-bottom: var(--space-xl);
}

#error-summary .alert-heading {
    font-weight: 700;
    color: #991B1B;
}

#error-summary ul {
    padding-left: var(--space-md);
}

#error-summary a {
    color: #991B1B;
}

#error-summary a:hover {
    color: var(--szansa-orange);
}

/* ==========================================================================
   Badges
   ========================================================================== */

.badge {
    font-weight: 600;
    font-size: 0.75rem;
    padding: 0.3em 0.75em;
    border-radius: var(--radius-pill);
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.badge.bg-success {
    background: var(--szansa-success) !important;
    color: var(--szansa-white) !important;
}

.badge.bg-warning {
    background: #FEF3C7 !important;
    color: #92400E !important;
}

.badge.bg-info {
    background: var(--szansa-sky) !important;
    color: var(--szansa-navy) !important;
}

/* ==========================================================================
   Tables (django-tables2)
   ========================================================================== */

.table {
    font-size: 0.9375rem;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--szansa-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.table thead th {
    background: var(--szansa-navy);
    color: var(--szansa-white);
    font-weight: 600;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.875rem var(--space-md);
    border: none;
    white-space: nowrap;
}

.table thead th a {
    color: var(--szansa-white);
    text-decoration: none;
}

.table thead th a:hover {
    color: var(--szansa-orange-light);
}

.table tbody td {
    padding: 0.875rem var(--space-md);
    border-bottom: 1px solid var(--szansa-gray-200);
    vertical-align: middle;
}

.table tbody tr:last-child td {
    border-bottom: none;
}

.table tbody tr:hover {
    background: var(--szansa-ice);
}

.table tbody tr {
    transition: background var(--transition);
}

/* Pagination from django-tables2 */
.table-container .pagination {
    margin-top: var(--space-md);
    gap: var(--space-xs);
}

.page-link {
    color: var(--szansa-navy);
    border-color: var(--szansa-gray-200);
    border-radius: var(--radius-sm);
    font-weight: 500;
    padding: 0.4rem 0.75rem;
}

.page-link:hover {
    background: var(--szansa-ice);
    color: var(--szansa-orange);
    border-color: var(--szansa-gray-300);
}

.page-item.active .page-link {
    background: var(--szansa-navy);
    border-color: var(--szansa-navy);
}

/* ==========================================================================
   List Groups
   ========================================================================== */

.list-group {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.list-group-item {
    border-color: var(--szansa-gray-200);
    padding: var(--space-md) var(--space-lg);
    transition: background var(--transition);
}

.list-group-item:hover {
    background: var(--szansa-ice);
}

.list-group-item:first-child {
    border-top: none;
}

/* ==========================================================================
   Definition Lists (submission detail, applicant home)
   ========================================================================== */

dl.row dt {
    font-weight: 600;
    color: var(--szansa-gray-600);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding-top: 0.625rem;
    padding-bottom: 0.625rem;
}

dl.row dd {
    color: var(--szansa-gray-800);
    padding-top: 0.625rem;
    padding-bottom: 0.625rem;
    border-bottom: 1px solid var(--szansa-gray-100);
}

dl.row dd:last-child {
    border-bottom: none;
}

/* ==========================================================================
   Form Sections (form_fill.html)
   ========================================================================== */

section.mb-5 h2.border-bottom {
    color: var(--szansa-navy);
    border-bottom-color: var(--szansa-gray-200) !important;
    padding-bottom: var(--space-sm) !important;
    position: relative;
}

section.mb-5 h2.border-bottom::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--szansa-orange);
    border-radius: 2px;
}

/* Formset instances */
.formset-instance.card {
    border-left: 3px solid var(--szansa-teal);
    background: var(--szansa-gray-50);
}

.formset-instance .card-body {
    padding: var(--space-md) var(--space-lg);
}

.formset-instance strong {
    color: var(--szansa-navy);
}

/* ==========================================================================
   Login Page — three-column layout refinements
   ========================================================================== */

.login-page {
    max-width: 960px;
}

.login-banner {
    max-height: 180px;
    width: auto;
    border-radius: var(--radius-md);
}

.login-page h1 {
    text-align: center;
}

.login-page h1::after {
    left: 50%;
    transform: translateX(-50%);
}

.row.g-4 > [class*="col-"] .card {
    border: none;
    box-shadow: var(--shadow-md);
}

.row.g-4 > [class*="col-"] .card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

/* ==========================================================================
   Horizontal rule
   ========================================================================== */

hr {
    border-color: var(--szansa-gray-200);
    opacity: 0.6;
}

/* ==========================================================================
   Footer placeholder — can be expanded later
   ========================================================================== */

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

body > .container.py-4 {
    flex: 1;
}

/* ==========================================================================
   Animations
   ========================================================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.container.py-4 > *:first-child {
    animation: fadeInUp 0.4s ease-out;
}

.card,
.list-group,
.table {
    animation: fadeInUp 0.45s ease-out both;
}

.row.g-4 > [class*="col-"]:nth-child(1) .card { animation-delay: 0.05s; }
.row.g-4 > [class*="col-"]:nth-child(2) .card { animation-delay: 0.12s; }
.row.g-4 > [class*="col-"]:nth-child(3) .card { animation-delay: 0.19s; }

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 767.98px) {
    h1, .h1 {
        font-size: 1.625rem;
    }

    .card-body {
        padding: var(--space-md);
    }

    .container.py-4 {
        padding-left: var(--space-md);
        padding-right: var(--space-md);
    }

    .btn-lg {
        width: 100%;
        margin-bottom: var(--space-sm);
    }

    .btn-lg + .btn-lg,
    .btn-lg + .btn-outline-secondary.btn-lg {
        margin-left: 0 !important;
    }

    dl.row dt,
    dl.row dd {
        padding-top: 0.4rem;
        padding-bottom: 0.4rem;
    }
}

/* ==========================================================================
   Accessibility — High Contrast Mode
   ========================================================================== */

@media (prefers-contrast: high) {
    :root {
        --szansa-navy: #002F44;
        --szansa-orange: #CC6900;
    }

    .card {
        border-width: 2px;
    }

    .btn {
        border-width: 2px;
    }

    .form-control,
    .form-select {
        border-width: 2px;
    }
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ==========================================================================
   Print
   ========================================================================== */

@media print {
    .navbar,
    .btn,
    .alert-dismissible .btn-close {
        display: none !important;
    }

    body {
        background: white;
        color: black;
        font-size: 11pt;
    }

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

    .container.py-4 {
        max-width: 100%;
        padding: 0;
    }
}