/* ==========================================================================
   Test to Table — Components
   Reusable UI blocks: buttons, cards, nav, upload zone, tables, FAQ.
   ========================================================================== */

/* --- Navigation --- */
.gt-nav {
    position: sticky;
    top: 0;
    background: rgba(250, 249, 247, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    padding: var(--space-md) 0;
}

.gt-nav__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.gt-nav__brand {
    font-family: var(--font-heading);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
    text-decoration: none;
}

.gt-nav__links {
    display: flex;
    gap: var(--space-xl);
    align-items: center;
    list-style: none;
}

.gt-nav__link {
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: var(--font-size-sm);
    text-decoration: none;
}

.gt-nav__link:hover {
    color: var(--color-text);
}

/* --- Buttons --- */
.gt-btn {
    display: inline-block;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: var(--font-size-base);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-pill);
    border: none;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: var(--transition);
    line-height: 1.5;
}

.gt-btn--primary {
    background: var(--color-primary);
    color: var(--color-text);
    border: 1px solid var(--color-primary-dark);
    box-shadow: var(--shadow-button);
}

.gt-btn--primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-button-hover);
}

.gt-btn--primary:active {
    transform: translateY(2px);
    box-shadow: var(--shadow-button-active);
}

.gt-btn--nav {
    background: var(--color-primary);
    color: var(--color-text);
    padding: 10px 20px;
    border: 1px solid var(--color-primary-dark);
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.gt-btn--secondary {
    background: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.gt-btn--secondary:hover {
    border-color: var(--color-primary);
}

.gt-btn--large {
    padding: 18px 40px;
    font-size: var(--font-size-lg);
}

.gt-btn:disabled,
.gt-btn--disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.gt-btn:focus-visible {
    outline: 2px solid var(--color-info);
    outline-offset: 2px;
}

/* --- Cards --- */
.gt-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-base);
    padding: 40px;
    transition: var(--transition);
}

.gt-card:hover {
    border-color: var(--color-primary);
}

.gt-card__title {
    margin-bottom: var(--space-md);
}

/* --- Upload Zone --- */
.gt-upload {
    background: var(--color-surface);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    padding: 60px 40px;
    max-width: 600px;
    margin: 0 auto;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    text-align: center;
}

.gt-upload:hover,
.gt-upload--dragover {
    border-color: var(--color-primary);
    background: #fffdf9;
    transform: translateY(-2px);
}

.gt-upload__icon {
    width: 64px;
    height: 64px;
    background: var(--color-primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
}

.gt-upload__title {
    margin-bottom: var(--space-sm);
}

.gt-upload__desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

.gt-upload__input {
    display: none;
}

.gt-upload__supported {
    margin-top: var(--space-xl);
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    opacity: 0.6;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.gt-upload__progress {
    display: none;
    margin-top: var(--space-lg);
}

.gt-upload__progress--visible {
    display: block;
}

/* --- Progress Bar --- */
.gt-progress {
    width: 100%;
    height: 8px;
    background: var(--color-bg-subtle);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.gt-progress__bar {
    height: 100%;
    background: var(--color-primary);
    border-radius: var(--radius-sm);
    width: 0%;
    transition: width 0.3s ease;
}

/* --- Hero --- */
.gt-hero {
    padding: var(--space-4xl) 0 60px;
    text-align: center;
}

.gt-hero__title {
    max-width: 900px;
    margin: 0 auto var(--space-lg);
}

.gt-hero__subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.6;
}

/* --- Step Cards (How It Works) --- */
.gt-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.gt-step {
    text-align: center;
}

.gt-step__number {
    width: 40px;
    height: 40px;
    background: var(--color-text);
    color: var(--color-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    margin: 0 auto var(--space-lg);
    font-family: var(--font-body);
}

.gt-step__title {
    margin-bottom: var(--space-sm);
}

/* --- Proof Grid --- */
.gt-proof-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

/* --- Comparison Table --- */
.gt-comparison {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: 60px;
    border: 1px solid var(--color-border);
    margin: 60px 0;
}

.gt-comparison__table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 40px;
}

.gt-comparison__table th,
.gt-comparison__table td {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
    text-align: left;
    font-size: var(--font-size-base);
}

.gt-comparison__table .gt-comparison__highlight {
    background: var(--color-bg);
    font-weight: 600;
    color: var(--color-text);
}

.gt-check {
    color: var(--color-success);
    font-weight: bold;
    margin-right: var(--space-sm);
}

/* --- FAQ --- */
.gt-faq {
    max-width: 800px;
    margin: 0 auto;
}

.gt-faq__item {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-border);
}

.gt-faq__question {
    margin-bottom: var(--space-base, 12px);
    font-size: var(--font-size-lg);
}

.gt-faq__answer {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* --- CTA Banner --- */
.gt-cta-banner {
    text-align: center;
    background: var(--color-primary-light);
    padding: 100px 0;
}

.gt-cta-banner h2 {
    margin-bottom: var(--space-lg);
}

.gt-cta-banner p {
    font-size: var(--font-size-xl);
    margin-bottom: 40px;
}

/* --- Footer --- */
.gt-footer {
    padding: 60px 0;
    border-top: 1px solid var(--color-border);
    text-align: center;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.gt-footer__disclaimer {
    margin-top: 10px;
    font-size: var(--font-size-xs);
}

/* --- Results Page Components --- */
.gt-results {
    padding: var(--space-2xl) 0;
}

.gt-markers {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.gt-markers__title {
    margin-bottom: var(--space-lg);
    font-size: var(--font-size-2xl);
}

.gt-marker-list {
    list-style: none;
    display: grid;
    gap: var(--space-md);
}

.gt-marker {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-bg);
    border-radius: var(--radius-md);
}

.gt-marker__flag {
    display: inline-flex;
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.gt-marker__flag--high {
    background: #fde8e8;
    color: var(--color-danger);
}

.gt-marker__flag--low {
    background: #fef3cd;
    color: var(--color-warning);
}

.gt-marker__flag--positive {
    background: #fde8e8;
    color: var(--color-danger);
}

.gt-marker__flag--normal {
    background: #d4edda;
    color: var(--color-success);
}

.gt-marker__name {
    font-weight: 600;
    flex: 1;
}

.gt-marker__value {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

/* --- Protocol Table --- */
.gt-protocol {
    margin-bottom: var(--space-xl);
}

.gt-protocol__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.gt-protocol__badge {
    display: inline-flex;
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.gt-protocol__badge--free {
    background: #d4edda;
    color: var(--color-success);
}

.gt-protocol__badge--locked {
    background: var(--color-bg-subtle);
    color: var(--color-text-secondary);
}

.gt-protocol__table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-surface);
    border-radius: var(--radius-base);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.gt-protocol__table th {
    background: var(--color-bg);
    font-weight: 600;
    text-align: left;
    padding: var(--space-md);
    font-size: var(--font-size-sm);
    border-bottom: 1px solid var(--color-border);
}

.gt-protocol__table td {
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-border);
    font-size: var(--font-size-sm);
}

/* --- Locked/Blurred Content --- */
.gt-locked {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-xl);
}

.gt-locked__content {
    filter: blur(6px);
    pointer-events: none;
    user-select: none;
    opacity: 0.6;
}

.gt-locked__overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(250, 249, 247, 0.7);
    backdrop-filter: blur(2px);
    z-index: 1;
    padding: var(--space-xl);
    text-align: center;
}

.gt-locked__overlay h3 {
    margin-bottom: var(--space-md);
}

.gt-locked__overlay p {
    margin-bottom: var(--space-lg);
    color: var(--color-text-secondary);
    max-width: 400px;
}

/* --- Trust Signal --- */
.gt-trust {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--color-bg-subtle);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-top: var(--space-xl);
}

.gt-trust__icon {
    flex-shrink: 0;
    color: var(--color-success);
}

/* --- Checkout Page --- */
.gt-checkout {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--space-3xl) var(--space-lg);
}

.gt-checkout__summary {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.gt-checkout__item {
    display: flex;
    justify-content: space-between;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

.gt-checkout__item:last-child {
    border-bottom: none;
    font-weight: 600;
    font-size: var(--font-size-xl);
    padding-top: var(--space-md);
}

.gt-checkout__unlock {
    margin-top: var(--space-lg);
}

.gt-checkout__unlock-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    font-size: var(--font-size-sm);
}

/* --- Delivery Page --- */
.gt-delivery {
    padding: var(--space-2xl) 0;
}

.gt-delivery__header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.gt-delivery__actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    margin-top: var(--space-xl);
    flex-wrap: wrap;
}

.gt-rationale {
    background: var(--color-bg-subtle);
    border-left: 4px solid var(--color-primary);
    padding: var(--space-lg);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: var(--space-md) 0;
}

.gt-rationale__title {
    font-weight: 600;
    margin-bottom: var(--space-sm);
    font-size: var(--font-size-sm);
}

.gt-rationale__text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* --- Grocery List --- */
.gt-grocery {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.gt-grocery__section {
    margin-bottom: var(--space-lg);
}

.gt-grocery__section-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--color-border);
}

.gt-grocery__item {
    padding: var(--space-sm) 0;
    font-size: var(--font-size-sm);
}

/* --- Alerts/Messages --- */
.gt-alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    font-size: var(--font-size-sm);
}

.gt-alert--error {
    background: #fde8e8;
    color: var(--color-danger);
    border: 1px solid #f5c6cb;
}

.gt-alert--success {
    background: #d4edda;
    color: var(--color-success);
    border: 1px solid #c3e6cb;
}

.gt-alert--info {
    background: #d1ecf1;
    color: var(--color-info);
    border: 1px solid #bee5eb;
}

/* --- Loading Spinner --- */
.gt-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: gt-spin 0.6s linear infinite;
}

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

/* --- Waitlist form --- */
.gt-waitlist {
    background: var(--color-bg-subtle);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-base);
    padding: var(--space-lg);
    margin-top: var(--space-xl);
    text-align: center;
}

.gt-waitlist__title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-sm);
}

.gt-waitlist__text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}