:root {
    --primary: #1e3a8a;
    --primary-light: #3b82f6;
    --primary-soft: #eff6ff;
    --primary-dark: #172554;
    --accent: #0284c7;
    --text-main: #1f2937;
    --text-muted: #4b5563;
    --bg-page: #f3f4f6;
    --bg-card: #ffffff;
    --border-color: #e5e7eb;
    --error-border: #dc2626;
    --error-bg: #fef2f2;
    --error-text: #991b1b;
    --success: #16a34a;
    --warning: #d97706;
    --warning-bg: #fffbeb;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --radius: 10px;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-page);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    padding: 20px 12px 60px;
}

.survey-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.survey-header {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
    border-top: 6px solid var(--primary);
}

.header-top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 10px;
}

.badge-institution {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--primary);
    background: var(--primary-soft);
    padding: 4px 10px;
    border-radius: 20px;
}

.save-status {
    font-size: 0.85rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 20px;
    background: #f9fafb;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.save-status.saved {
    color: var(--success);
    background: #f0fdf4;
    border-color: #bbf7d0;
}

.save-status.saving {
    color: var(--accent);
    background: #f0f9ff;
    border-color: #bae6fd;
}

.save-status.error {
    color: var(--error-text);
    background: var(--error-bg);
    border-color: #fecaca;
}

.survey-title {
    font-size: 1.5rem;
    color: var(--primary-dark);
    margin-bottom: 6px;
    line-height: 1.3;
}

.survey-subtitle {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.progress-container {
    margin-top: 18px;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 6px;
}

.progress-bar-bg {
    width: 100%;
    height: 8px;
    background: #e5e7eb;
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary-light), var(--primary));
    transition: width 0.4s ease;
}

.survey-step {
    display: none;
}

.survey-step.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: border-color 0.2s, background-color 0.2s;
}

/* Wyróżnienie pytania bez odpowiedzi na czerwono */
.card.unanswered {
    border-color: var(--error-border);
    background-color: var(--error-bg);
    box-shadow: 0 0 0 2px rgba(220, 38, 38, 0.15);
}

.card.unanswered .question-title::after {
    content: " (brak odpowiedzi)";
    font-size: 0.8rem;
    color: var(--error-text);
    font-weight: 600;
}

.section-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--primary-soft);
}

.instruction-box {
    background-color: #f8fafc;
    border-left: 4px solid var(--primary-light);
    padding: 14px 18px;
    margin-bottom: 18px;
    border-radius: 0 var(--radius) var(--radius) 0;
    font-size: 0.95rem;
    color: var(--text-muted);
}

.instruction-box.highlight {
    background-color: var(--primary-soft);
    border-left-color: var(--primary);
    color: var(--primary-dark);
}

.question-block {
    margin-bottom: 20px;
}

.question-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 12px;
}

.options-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.options-group.inline-options {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 12px;
}

.custom-control {
    display: flex;
    align-items: flex-start;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    background: #ffffff;
    transition: all 0.2s;
}

.custom-control:hover {
    background-color: #f9fafb;
    border-color: #cbd5e1;
}

.custom-control input[type="radio"],
.custom-control input[type="checkbox"] {
    margin-top: 3px;
    margin-right: 12px;
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

.custom-control:has(input:checked) {
    background-color: var(--primary-soft);
    border-color: var(--primary-light);
}

.control-label {
    font-size: 0.95rem;
    color: var(--text-main);
}

.text-input, .textarea-input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--text-main);
    background: #ffffff;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.text-input:focus, .textarea-input:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.textarea-input {
    min-height: 110px;
    resize: vertical;
}

.input-inne-wrapper {
    margin-top: 10px;
    margin-left: 30px;
    display: none;
}
.input-inne-wrapper.show {
    display: block;
    animation: fadeIn 0.2s ease;
}

/* Macierz dla komputerów */
.matrix-table-container {
    width: 100%;
    overflow-x: auto;
    margin-top: 10px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.matrix-table {
    width: 100%;
    border-collapse: collapse;
    background: #ffffff;
    font-size: 0.92rem;
}

.matrix-table th, .matrix-table td {
    padding: 12px 10px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.matrix-table th {
    background-color: #f8fafc;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.85rem;
}

.matrix-table th.statement-th {
    text-align: left;
    width: 48%;
    padding-left: 16px;
}

.matrix-table td.statement-td {
    text-align: left;
    padding-left: 16px;
    font-weight: 500;
    color: var(--text-main);
}

.matrix-table tr:hover td {
    background-color: #f8fafc;
}

.matrix-table tr.unanswered-row {
    background-color: var(--error-bg) !important;
}

.matrix-table tr.unanswered-row td.statement-td {
    color: var(--error-text);
    font-weight: 600;
}

.matrix-radio-label {
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

.matrix-radio-label input[type="radio"] {
    width: 20px;
    height: 20px;
    accent-color: var(--primary);
}

.matrix-mobile-card {
    display: none;
}

/* Pasek akcji */
.nav-actions {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 18px 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    margin-top: 24px;
}

.validation-warning {
    display: none;
    background: var(--warning-bg);
    border: 1px solid #fde68a;
    color: #92400e;
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 14px;
    font-size: 0.92rem;
}
.validation-warning.show {
    display: flex;
    align-items: center;
    gap: 10px;
}

.buttons-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.right-buttons {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: auto;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 22px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: var(--primary);
    color: #ffffff;
}
.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-dark);
}

.btn-secondary {
    background-color: #f1f5f9;
    color: var(--text-muted);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover:not(:disabled) {
    background-color: #e2e8f0;
    color: var(--text-main);
}

.btn-warning-override {
    background-color: #fef3c7;
    color: #92400e;
    border: 1px solid #f59e0b;
    display: none;
}
.btn-warning-override.show {
    display: inline-flex;
}
.btn-warning-override:hover {
    background-color: #fde68a;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Ekran zakończenia */
.completion-screen {
    text-align: center;
    padding: 40px 20px;
}

.completion-icon {
    width: 64px;
    height: 64px;
    background: #dcfce7;
    color: var(--success);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin: 0 auto 20px;
}

.completion-title {
    font-size: 1.8rem;
    color: var(--primary-dark);
    margin-bottom: 16px;
}

.completion-text {
    font-size: 1.1rem;
    color: var(--text-main);
    max-width: 650px;
    margin: 0 auto 20px;
    line-height: 1.6;
}

.locked-badge {
    display: inline-block;
    background: #f1f5f9;
    color: var(--text-muted);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

.info-text p {
    margin-bottom: 14px;
    text-align: justify;
    font-size: 0.95rem;
}

.contact-box {
    margin-top: 16px;
    padding: 12px 16px;
    background: #f8fafc;
    border-left: 3px solid var(--accent);
    border-radius: 4px;
    font-size: 0.9rem;
}

/* Responsywność dla smartfonów */
@media (max-width: 768px) {
    body {
        padding: 10px 8px 40px;
    }

    .survey-header {
        padding: 16px;
    }

    .survey-title {
        font-size: 1.25rem;
    }

    .card {
        padding: 16px;
        margin-bottom: 16px;
    }

    .matrix-table-container {
        display: none;
    }

    .matrix-mobile-card {
        display: block;
        background: #ffffff;
        border: 1px solid var(--border-color);
        border-radius: 8px;
        padding: 14px;
        margin-bottom: 14px;
    }

    .matrix-mobile-card.unanswered-card {
        border-color: var(--error-border);
        background-color: var(--error-bg);
    }

    .matrix-mobile-statement {
        font-weight: 600;
        font-size: 0.95rem;
        margin-bottom: 10px;
        color: var(--text-main);
    }

    .matrix-mobile-scale {
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        gap: 6px;
    }

    .mobile-scale-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        cursor: pointer;
    }

    .mobile-scale-item input[type="radio"] {
        display: none;
    }

    .mobile-scale-box {
        width: 100%;
        padding: 8px 0;
        background: #f1f5f9;
        border: 1px solid #cbd5e1;
        border-radius: 6px;
        font-weight: 700;
        font-size: 1rem;
        color: var(--text-muted);
        transition: all 0.2s;
    }

    .mobile-scale-item input:checked + .mobile-scale-box {
        background: var(--primary);
        color: #ffffff;
        border-color: var(--primary-dark);
    }

    .mobile-scale-label {
        font-size: 0.68rem;
        color: var(--text-muted);
        margin-top: 4px;
        line-height: 1.1;
    }

    .buttons-row {
        flex-direction: column-reverse;
    }

    .right-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
    }

    .input-inne-wrapper {
        margin-left: 0;
    }
}