/* GrupDersiUygunlukTesti — wizard layout
   - Sticky progress bar (top)
   - Centered step card (max 720px)
   - Slide-fade step transitions
   - Loading + error states
*/

.gut-page {
    min-height: calc(100vh - 80px);
    background: var(--gut-bg);
    color: var(--gut-text);
    font-family: 'Muli', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
    padding: 0 0 4rem 0;
}

/* ============ Progress Bar ============ */

.gut-progress {
    position: sticky;
    top: 0;
    z-index: var(--gut-z-progress);
    background: var(--gut-surface);
    border-bottom: 1px solid var(--gut-border);
    padding: 14px 20px;
    box-shadow: var(--gut-shadow-sm);
}

.gut-progress-inner {
    max-width: var(--gut-step-max-width);
    margin: 0 auto;
}

.gut-progress-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    gap: 12px;
}

.gut-progress-label {
    font-size: 0.85rem;
    color: var(--gut-text-muted);
    font-weight: 500;
}

.gut-progress-section {
    font-size: 0.85rem;
    color: var(--gut-brand);
    font-weight: 700;
    text-align: right;
}

.gut-progress-bar {
    height: 6px;
    background: var(--gut-border);
    border-radius: 999px;
    overflow: hidden;
}

.gut-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--gut-brand) 0%, var(--gut-brand-soft) 100%);
    border-radius: 999px;
    transition: width var(--gut-transition-med);
    width: 0%;
}

/* ============ Step Container ============ */

.gut-shell {
    max-width: var(--gut-step-max-width);
    margin: 0 auto;
    padding: 2.5rem 1rem 0 1rem;
}

.gut-step {
    background: var(--gut-step-bg);
    border-radius: var(--gut-radius-lg);
    box-shadow: var(--gut-shadow-md);
    padding: 2.5rem 2rem;
    border: 1px solid var(--gut-border);
    animation: gutStepIn var(--gut-transition-med) both;
}

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

.gut-step h1 {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--gut-text);
    margin: 0 0 0.5rem 0;
    line-height: 1.25;
}

.gut-step h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gut-text);
    margin: 0 0 1rem 0;
    line-height: 1.3;
}

.gut-step p {
    color: var(--gut-text-muted);
    line-height: 1.65;
    margin: 0 0 1rem 0;
}

.gut-step-subtitle {
    font-size: 0.95rem;
    color: var(--gut-text-faint);
    margin-bottom: 1.5rem;
}

/* ============ Intro Step (Step 0) ============ */

.gut-intro-hero {
    text-align: center;
    margin-bottom: 2rem;
}

.gut-intro-eyebrow {
    display: inline-block;
    background: var(--gut-brand-tint);
    color: var(--gut-brand);
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.4rem 0.9rem;
    border-radius: 999px;
    margin-bottom: 1rem;
}

.gut-intro-bullets {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
    display: grid;
    gap: 0.75rem;
}

.gut-intro-bullets li {
    background: var(--gut-surface-2);
    border: 1px solid var(--gut-border);
    border-radius: var(--gut-radius-md);
    padding: 0.9rem 1.1rem;
    display: flex;
    gap: 0.9rem;
    align-items: flex-start;
    font-size: 0.95rem;
    color: var(--gut-text);
}

.gut-intro-bullets .gut-bullet-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--gut-brand);
    color: var(--gut-text-on-brand);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 700;
}

.gut-intro-form {
    margin-top: 2rem;
    display: grid;
    gap: 1rem;
}

.gut-form-row {
    display: grid;
    gap: 0.4rem;
}

.gut-form-row.gut-form-row-2 {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 540px) {
    .gut-form-row.gut-form-row-2 {
        grid-template-columns: 1fr;
    }
}

.gut-form-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gut-text);
}

.gut-form-label .gut-required {
    color: var(--gut-danger);
    margin-left: 0.2rem;
}

.gut-form-input,
.gut-form-select {
    appearance: none;
    width: 100%;
    background: var(--gut-surface);
    color: var(--gut-text);
    border: 1.5px solid var(--gut-border-strong);
    border-radius: var(--gut-radius-md);
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color var(--gut-transition-fast), box-shadow var(--gut-transition-fast);
}

.gut-form-input:focus,
.gut-form-select:focus {
    outline: none;
    border-color: var(--gut-brand);
    box-shadow: 0 0 0 3px var(--gut-brand-tint);
}

.gut-form-select {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235a6075' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 18px;
    padding-right: 2.5rem;
}

.gut-form-hint {
    font-size: 0.8rem;
    color: var(--gut-text-faint);
}

.gut-field-error {
    display: none;
    font-size: 0.85rem;
    color: var(--gut-danger);
    margin-top: 0.3rem;
}

.gut-form-input.gut-error,
.gut-form-select.gut-error {
    border-color: var(--gut-danger);
}

.gut-form-input.gut-error + .gut-field-error,
.gut-form-select.gut-error + .gut-field-error {
    display: block;
}

/* ============ Step Footer (nav buttons) ============ */

.gut-step-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.gut-btn {
    appearance: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 700;
    padding: 0.85rem 1.75rem;
    border-radius: var(--gut-radius-md);
    transition: background-color var(--gut-transition-fast), color var(--gut-transition-fast), box-shadow var(--gut-transition-fast), opacity var(--gut-transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    min-height: 48px;
}

.gut-btn:focus-visible {
    outline: 3px solid var(--gut-accent);
    outline-offset: 2px;
}

.gut-btn-primary {
    background: var(--gut-brand);
    color: var(--gut-text-on-brand);
    box-shadow: var(--gut-shadow-sm);
}

.gut-btn-primary:hover:not(:disabled) {
    background: var(--gut-brand-soft);
    box-shadow: var(--gut-shadow-md);
}

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

.gut-btn-secondary {
    background: var(--gut-surface);
    color: var(--gut-text-muted);
    border: 1.5px solid var(--gut-border-strong);
}

.gut-btn-secondary:hover:not(:disabled) {
    background: var(--gut-surface-2);
    color: var(--gut-text);
    border-color: var(--gut-text-muted);
}

.gut-btn-secondary:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.gut-btn-cta {
    background: var(--gut-brand);
    color: var(--gut-text-on-brand);
    font-size: 1.1rem;
    padding: 1rem 2.5rem;
    width: 100%;
    justify-content: center;
    box-shadow: var(--gut-shadow-md);
}

.gut-btn-cta:hover:not(:disabled) {
    background: var(--gut-brand-soft);
    transform: translateY(-1px);
    box-shadow: var(--gut-shadow-lg);
}

/* ============ Loading & Error States ============ */

.gut-loading {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--gut-text-muted);
}

.gut-spinner {
    display: inline-block;
    width: 44px;
    height: 44px;
    border: 4px solid var(--gut-border);
    border-top-color: var(--gut-brand);
    border-radius: 50%;
    animation: gutSpin 0.8s linear infinite;
    margin-bottom: 1rem;
}

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

.gut-error {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--gut-danger);
    background: var(--gut-surface);
    border: 1px solid var(--gut-border);
    border-radius: var(--gut-radius-lg);
    max-width: var(--gut-step-max-width);
    margin: 2rem auto;
}

/* ============ Thanks Step (Step 10) ============ */

.gut-thanks {
    text-align: center;
    padding: 1rem 0;
}

.gut-thanks-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem auto;
    background: var(--gut-brand-tint);
    color: var(--gut-brand);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gut-thanks-icon svg {
    width: 44px;
    height: 44px;
}

.gut-duration-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--gut-brand-tint);
    color: var(--gut-brand);
    padding: 0.5rem 1rem;
    border-radius: 999px;
    font-weight: 700;
    margin-top: 1.5rem;
    font-size: 0.95rem;
}

/* ============ Mobile Tweaks ============ */

@media (max-width: 540px) {
    .gut-step {
        padding: 1.75rem 1.25rem;
        border-radius: var(--gut-radius-md);
    }

    .gut-step h1 {
        font-size: 1.35rem;
    }

    .gut-shell {
        padding: 1.5rem 0.75rem 0 0.75rem;
    }

    .gut-progress {
        padding: 10px 14px;
    }

    .gut-progress-label,
    .gut-progress-section {
        font-size: 0.8rem;
    }

    .gut-btn {
        padding: 0.7rem 1.25rem;
    }
}