/* ===== Diagnostic Page Styles ===== */
/* Inherits variables and base styles from styles.css */

/* Container */
.diag-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(100px + var(--spacing-lg)) var(--spacing-md) var(--spacing-xl);
}

/* Screen states */
.diag-screen {
    width: 100%;
    max-width: 680px;
    margin: 0 auto;
    transition: opacity 0.35s ease, transform 0.35s ease;
}

.diag-screen--hidden {
    display: none;
    opacity: 0;
    transform: translateY(12px);
}

.diag-screen--active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

/* ===== Welcome Screen ===== */
.diag-welcome {
    text-align: center;
}

.diag-welcome__title {
    font-family: var(--font-family-headline);
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 300;
    color: var(--color-white);
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-md);
}

.diag-welcome__body-wrap {
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--spacing-lg);
}

.diag-welcome__body-wrap p {
    font-size: 1.1rem;
    line-height: 1.65;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-sm);
}

.diag-welcome__body-wrap p:last-child {
    margin-bottom: 0;
}

.diag-welcome__time {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent-light);
    margin-bottom: var(--spacing-lg);
}

.diag-welcome__note {
    font-size: 0.8rem;
    color: rgba(229, 231, 235, 0.45);
    line-height: 1.6;
    margin-top: var(--spacing-xl);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== Buttons ===== */
.diag-btn {
    display: inline-block;
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 500;
    padding: 1rem 2.5rem;
    border-radius: var(--border-radius-pill);
    border: none;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.diag-btn:hover {
    transform: translateY(-2px);
}

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

.diag-btn--primary {
    background-color: var(--color-white);
    color: var(--color-bg-primary);
    box-shadow:
        0 4px 20px rgba(0, 0, 0, 0.25),
        0 0 40px rgba(153, 186, 196, 0.15);
}

.diag-btn--primary:hover {
    background-color: #f0f0f0;
    box-shadow:
        0 6px 25px rgba(0, 0, 0, 0.35),
        0 0 50px rgba(153, 186, 196, 0.25);
}

.diag-btn--primary:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.diag-btn--ghost {
    background: transparent;
    color: var(--color-text-muted);
    border: 1px solid rgba(153, 186, 196, 0.3);
}

.diag-btn--ghost:hover {
    border-color: var(--color-accent-light);
    color: var(--color-text-primary);
}

/* ===== Progress Bar ===== */
.diag-progress {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.diag-progress__track {
    flex: 1;
    height: 3px;
    background-color: rgba(153, 186, 196, 0.15);
    border-radius: 2px;
    overflow: hidden;
}

.diag-progress__fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--color-accent-light), var(--color-white));
    border-radius: 2px;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.diag-progress__label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
    white-space: nowrap;
    min-width: 3rem;
    text-align: right;
}

/* ===== Question Area ===== */
.diag-question-wrap {
    position: relative;
    min-height: 300px;
}

.diag-question {
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.diag-question--entering {
    opacity: 0;
    transform: translateY(16px);
}

.diag-question--exiting {
    opacity: 0;
    transform: translateY(-16px);
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
}

.diag-question__title {
    font-family: var(--font-family-headline);
    font-size: clamp(1.35rem, 3.5vw, 1.75rem);
    font-weight: 400;
    color: var(--color-white);
    line-height: 1.35;
    margin-bottom: var(--spacing-xs);
}

.diag-question__subtitle {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

.diag-question__title + .diag-options {
    margin-top: var(--spacing-lg);
}

/* ===== Option Cards ===== */
.diag-options {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.diag-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: 1rem 1.25rem;
    background-color: rgba(26, 58, 69, 0.25);
    border: 1px solid rgba(153, 186, 196, 0.12);
    border-left: 3px solid rgba(153, 186, 196, 0.15);
    border-radius: var(--border-radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.55;
    text-align: left;
    cursor: pointer;
    transition: all 0.2s ease;
}

.diag-option:hover {
    background-color: rgba(26, 58, 69, 0.45);
    border-color: rgba(153, 186, 196, 0.25);
    border-left-color: var(--color-accent-light);
}

.diag-option--selected {
    background-color: rgba(26, 58, 69, 0.55);
    border-color: rgba(153, 186, 196, 0.35);
    border-left-color: var(--color-accent-light);
    border-left-width: 3px;
}

/* Option indicators */
.diag-option__indicator {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.diag-option__check,
.diag-option__radio {
    display: block;
    width: 20px;
    height: 20px;
    border: 1.5px solid rgba(153, 186, 196, 0.4);
    background-color: rgba(26, 58, 69, 0.3);
    transition: all 0.2s ease;
}

.diag-option__check {
    border-radius: var(--border-radius-sm);
}

.diag-option__radio {
    border-radius: 50%;
}

.diag-option--selected .diag-option__check,
.diag-option--selected .diag-option__radio {
    background-color: var(--color-accent-light);
    border-color: var(--color-accent-light);
    box-shadow: 0 0 10px rgba(153, 186, 196, 0.3);
}

.diag-option__label {
    flex: 1;
}

/* ===== Navigation ===== */
.diag-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(153, 186, 196, 0.08);
}

.diag-nav__btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-family);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-muted);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.6rem 1rem;
    border-radius: var(--border-radius-pill);
    transition: color 0.2s ease, background-color 0.2s ease;
}

.diag-nav__btn:hover {
    color: var(--color-text-primary);
    background-color: rgba(153, 186, 196, 0.1);
}

.diag-nav__btn--next {
    color: var(--color-text-primary);
    background-color: rgba(153, 186, 196, 0.15);
    border: 1px solid rgba(153, 186, 196, 0.25);
}

.diag-nav__btn--next:hover {
    background-color: rgba(153, 186, 196, 0.25);
}

.diag-nav__btn--next:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.diag-nav__btn--next:disabled:hover {
    background-color: rgba(153, 186, 196, 0.15);
    color: var(--color-text-primary);
}

/* ===== Email Capture ===== */
.diag-email {
    max-width: 480px;
    margin: 0 auto;
    text-align: center;
}

.diag-email__title {
    font-family: var(--font-family-headline);
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    font-weight: 300;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.diag-email__body {
    font-size: 1rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.diag-email__form {
    text-align: left;
}

.diag-form-group {
    margin-bottom: var(--spacing-md);
}

.diag-form-group label {
    display: block;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
}

.diag-form-group input {
    width: 100%;
    padding: 0.9rem 1rem;
    background-color: rgba(26, 58, 69, 0.5);
    border: 1px solid rgba(153, 186, 196, 0.3);
    border-radius: var(--border-radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: border-color 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}

.diag-form-group input:focus {
    outline: none;
    border-color: var(--color-accent-light);
    background-color: rgba(26, 58, 69, 0.7);
    box-shadow: 0 0 20px rgba(153, 186, 196, 0.2);
}

/* Consent checkbox */
.diag-consent {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.diag-consent input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.diag-consent__box {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    margin-top: 2px;
    border: 1.5px solid rgba(153, 186, 196, 0.4);
    border-radius: var(--border-radius-sm);
    background-color: rgba(26, 58, 69, 0.3);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.diag-consent__box::after {
    content: '';
    width: 10px;
    height: 6px;
    border: 2px solid var(--color-bg-primary);
    border-top: none;
    border-right: none;
    transform: rotate(-45deg) translateY(-1px);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.diag-consent input:checked + .diag-consent__box {
    background-color: var(--color-accent-light);
    border-color: var(--color-accent-light);
}

.diag-consent input:checked + .diag-consent__box::after {
    opacity: 1;
}

.diag-consent__text {
    flex: 1;
}

.diag-email__form .diag-btn {
    width: 100%;
    margin-top: var(--spacing-sm);
}

.diag-email__privacy {
    text-align: center;
    margin-top: var(--spacing-md);
    font-size: 0.8rem;
}

.diag-email__privacy a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.2s ease;
}

.diag-email__privacy a:hover {
    color: var(--color-accent-light);
}

/* ===== Loading Screen ===== */
.diag-loading {
    text-align: center;
}

.diag-loading__spinner {
    width: 48px;
    height: 48px;
    border: 2px solid rgba(153, 186, 196, 0.2);
    border-top-color: var(--color-accent-light);
    border-radius: 50%;
    margin: 0 auto var(--spacing-lg);
    animation: diagSpin 0.9s linear infinite;
}

@keyframes diagSpin {
    to { transform: rotate(360deg); }
}

.diag-loading__title {
    font-family: var(--font-family-headline);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.diag-loading__body {
    font-size: 1rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    max-width: 440px;
    margin: 0 auto;
}

/* ===== Results Screen ===== */
.diag-results {
    max-width: 640px;
    margin: 0 auto;
}

.diag-results__section {
    margin-bottom: var(--spacing-xl);
}

.diag-results__section-title {
    font-family: var(--font-family-headline);
    font-size: clamp(1.25rem, 3vw, 1.65rem);
    font-weight: 500;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.01em;
}

.diag-results__section-body {
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--color-text-muted);
}

.diag-results__section-body p {
    margin-bottom: var(--spacing-md);
}

.diag-results__section-body p:last-child {
    margin-bottom: 0;
}

.diag-results__closing {
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--color-text-primary);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
}

.diag-results__email-note {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

.diag-results__cal-intro {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text-primary);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.diag-cal-embed-wrap {
    width: 100%;
    max-width: 480px;
}

.diag-cal-embed {
    width: 100%;
    min-height: 380px;
    overflow: auto;
}

/* Results CTA (legacy – kept for structure if needed) */
.diag-results__cta {
    text-align: center;
}

.diag-cta-btn {
    display: inline-block;
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 500;
    padding: 1.1rem 2.5rem;
    border-radius: var(--border-radius-pill);
    background-color: var(--color-white);
    color: var(--color-bg-primary);
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
    box-shadow:
        0 4px 20px rgba(0, 0, 0, 0.25),
        0 0 40px rgba(153, 186, 196, 0.15);
}

.diag-cta-btn:hover {
    transform: translateY(-2px);
    background-color: #f0f0f0;
    box-shadow:
        0 6px 25px rgba(0, 0, 0, 0.35),
        0 0 50px rgba(153, 186, 196, 0.25);
}

.diag-cta-sub {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-sm);
    line-height: 1.6;
}

/* Red tier */
.diag-red-copy {
    font-size: 1rem;
    color: var(--color-text-muted);
    line-height: 1.75;
    margin-bottom: var(--spacing-sm);
}

.diag-red-resources {
    font-size: 0.95rem;
    color: var(--color-accent-light);
    margin-bottom: var(--spacing-md);
}

/* ===== Resume Dialog ===== */
.diag-resume-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(11, 32, 40, 0.92);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.diag-resume-card {
    background-color: var(--color-bg-primary);
    border: 1px solid rgba(153, 186, 196, 0.25);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    max-width: 420px;
    width: 100%;
    text-align: center;
}

.diag-resume__title {
    font-family: var(--font-family-headline);
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.diag-resume__body {
    font-size: 1rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.diag-resume__actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.diag-resume__actions .diag-btn {
    width: 100%;
}

/* ===== Responsive ===== */
@media (max-width: 600px) {
    .diag-container {
        padding: calc(88px + var(--spacing-md)) var(--spacing-sm) var(--spacing-lg);
    }

    .diag-welcome__title {
        font-size: clamp(1.5rem, 7vw, 2.25rem);
    }

    .diag-option {
        padding: 0.85rem 1rem;
        font-size: 0.95rem;
    }

    .diag-question__title {
        font-size: clamp(1.2rem, 5vw, 1.5rem);
    }

    .diag-nav {
        flex-direction: row;
        gap: var(--spacing-sm);
    }

    .diag-btn {
        padding: 0.9rem 1.5rem;
        font-size: 0.95rem;
    }

    .diag-email {
        padding: 0 var(--spacing-xs);
    }

    .diag-form-group input {
        font-size: 16px; /* Prevents zoom on iOS */
    }
}