/* Base Styles & Typography */
:root,
[data-theme="dark"][data-contrast="high"] {
    /* High Contrast Dark Theme (Default) */
    --color-bg: #000000;
    --color-text: #ffffff;
    --color-primary: #ffff00;
    --color-primary-hover: #ffcc00;
    --color-border: #ffffff;
    --color-border-focus: #ffff00;
    --color-disabled: #444444;
    --color-disabled-text: #888888;
    --color-white: #000000;
    --color-error: #ff5555;
    --color-captcha-bg: #222222;
    --font-size-base: 16px;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --border-radius: 4px;
}

[data-theme="dark"][data-contrast="standard"] {
    --color-bg: #121212;
    --color-text: #e0e0e0;
    --color-primary: #66b2ff;
    --color-primary-hover: #99ccff;
    --color-border: #444444;
    --color-border-focus: #66b2ff;
    --color-disabled: #333333;
    --color-disabled-text: #777777;
    --color-white: #1e1e1e;
    --color-error: #ff6666;
    --color-captcha-bg: #2a2a2a;
}

[data-theme="light"][data-contrast="high"] {
    --color-bg: #ffffff;
    --color-text: #000000;
    --color-primary: #0000ee;
    --color-primary-hover: #0000aa;
    --color-border: #000000;
    --color-border-focus: #0000ee;
    --color-disabled: #eeeeee;
    --color-disabled-text: #444444;
    --color-white: #ffffff;
    --color-error: #cc0000;
    --color-captcha-bg: #f0f0f0;
}

[data-theme="light"][data-contrast="standard"] {
    --color-bg: #f9f9f9;
    --color-text: #1a1a1a;
    --color-primary: #0056b3;
    --color-primary-hover: #003d82;
    --color-border: #666666;
    --color-border-focus: #0056b3;
    --color-disabled: #e0e0e0;
    --color-disabled-text: #666666;
    --color-white: #ffffff;
    --color-error: #d32f2f;
    --color-captcha-bg: #f1f5f9;
}

[data-font-size="normal"] {
    --font-size-base: 16px;
}
[data-font-size="large"] {
    --font-size-base: 20px;
}
[data-font-size="extra-large"] {
    --font-size-base: 24px;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    font-size: var(--font-size-base);
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

header {
    background-color: var(--color-white);
    padding: var(--spacing-lg) 0;
    border-bottom: 2px solid var(--color-border);
    margin-bottom: var(--spacing-lg);
}

h1 {
    font-size: 2em;
    margin-top: 0;
    color: var(--color-primary);
}

h2 {
    font-size: 1.5em;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

/* Forms & Fieldsets */
fieldset {
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    background-color: var(--color-white);
}

legend {
    font-weight: 700;
    padding: 0 var(--spacing-sm);
    color: var(--color-text);
}

label {
    display: block;
    margin-bottom: var(--spacing-sm);
    cursor: pointer;
    font-size: 1rem;
}

label.desc-label {
    margin-top: var(--spacing-md);
    font-weight: bold;
}

/* Inputs */
input[type="radio"],
input[type="checkbox"] {
    width: 1.25rem;
    height: 1.25rem;
    margin-right: 0.5rem;
    vertical-align: middle;
}

.text-input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: 1em;
    box-sizing: border-box;
    margin-top: 0.25rem;
    background-color: var(--color-white);
    color: var(--color-text);
}

/* Focus States for Accessibility (WCAG AAA) */
input:focus,
textarea:focus,
button:focus,
.g-recaptcha:focus-within,
.h-captcha:focus-within,
.cf-turnstile:focus-within {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

/* Sections */
section {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: var(--spacing-lg);
}

/* Buttons */
.btn-submit {
    background-color: var(--color-primary);
    color: var(--color-bg);
    border: none;
    padding: 1rem 2rem;
    font-size: 1.125em;
    font-weight: bold;
    border-radius: var(--border-radius);
    cursor: pointer;
    width: 100%;
    margin-bottom: var(--spacing-lg);
    transition: background-color 0.2s ease;
}

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

/* CAPTCHA Wrapper */
.captcha-wrapper {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md);
    background-color: var(--color-captcha-bg);
    border: 1px dashed var(--color-border);
    display: flex;
    justify-content: center;
    border-radius: var(--border-radius);
}

/* Disabled States (when Accessible = No) */
.conditional-questions.disabled {
    opacity: 0.5;
    pointer-events: none;
}

.conditional-questions.disabled input,
.conditional-questions.disabled textarea {
    background-color: var(--color-disabled);
    border-color: var(--color-disabled-text);
}

footer {
    text-align: center;
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-lg);
    background-color: var(--color-white);
}

/* Wizard Styles */
.wizard-page {
    display: none;
}

.wizard-page.active {
    display: block;
}

.wizard-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-direction: row-reverse;
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
}

.btn-nav {
    background-color: var(--color-white);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    padding: 0.75rem 1.5rem;
    font-size: 1.125em;
    font-weight: bold;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-nav:hover {
    background-color: var(--color-primary);
    color: var(--color-bg);
}

/* Custom Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    max-width: 500px;
    width: 90%;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--color-border);
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Task Evaluation Container and Transitions */
.task-evaluation-container {
    animation: fadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    padding: var(--spacing-lg);
    background-color: var(--color-white);
    border: 2px solid var(--color-primary);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-lg);
    box-shadow: 0 4px 12px rgba(255, 255, 0, 0.08);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Ranking Card Styles */
.ranking-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    user-select: none;
}

.ranking-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    border-color: var(--color-primary) !important;
}

.ranking-card.dragging {
    opacity: 0.4;
    border-style: dashed !important;
    background-color: var(--color-disabled) !important;
    transform: scale(0.98);
}

.rank-badge {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
    transition: background-color 0.2s ease, color 0.2s ease;
}

.ranking-controls .btn-nav {
    border-width: 1px;
    margin: 0;
}

/* Status Banner styling */
.status-banner {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    margin: 1.5rem 0;
    font-size: 1.05rem;
    line-height: 1.5;
    animation: fadeIn 0.4s ease-out forwards;
    border-width: 2px;
    border-style: solid;
}

.status-banner.success {
    background-color: rgba(46, 204, 113, 0.1);
    border-color: #2ecc71;
    color: #2ecc71;
}

.status-banner.failure {
    background-color: rgba(231, 76, 60, 0.1);
    border-color: #e74c3c;
    color: #e74c3c;
}

/* Skip / Abandon Button adjustments */
.btn-skip-task {
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.1s ease;
}

.btn-skip-task:hover {
    background-color: rgba(231, 76, 60, 0.15) !important;
    border-color: #e74c3c !important;
    color: #ffffff !important;
    transform: translateY(-1px);
}

.btn-skip-task:active {
    transform: translateY(0);
}