/* ─────────────────────────────────────────────
   SELLEX DIAGNOSTIC & ICP DISCOVERY STYLES
   Design System: Premium Dark & Sellex Orange
   Zero Claymorphism | Clean & Modern
   ───────────────────────────────────────────── */

:root {
    --diag-orange: #FF6016;
    --diag-orange-hover: #E04F0E;
    --diag-orange-glow: rgba(255, 96, 22, 0.2);
    --diag-bg: #000000;
    --diag-surface: #0A0A0E;
    --diag-card: #111116;
    --diag-card-hover: #16161D;
    --diag-card-border: rgba(255, 255, 255, 0.08);
    --diag-card-border-active: #FF6016;
    --diag-text-main: #FFFFFF;
    --diag-text-muted: #8E8F9F;
    --diag-text-sub: #A3A3B0;
    --diag-input-bg: #0E0E14;
    --diag-success: #10B981;
    --diag-warning: #F59E0B;
    --diag-danger: #EF4444;
}

* {
    box-sizing: border-box;
}

body.diag-body {
    background-color: var(--diag-bg);
    color: var(--diag-text-main);
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Prevenir bloqueio por loader estatico global */
.alert {
    display: none !important;
}

/* Background Elements */
.diag-bg-glow {
    position: fixed;
    top: -120px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 350px;
    background: radial-gradient(circle, rgba(255, 96, 22, 0.12) 0%, rgba(0, 0, 0, 0) 70%);
    pointer-events: none;
    z-index: 0;
}

/* Container */
.diag-container {
    width: 100%;
    max-width: 820px;
    margin: 0 auto;
    padding: 24px 20px 80px 20px;
    position: relative;
    z-index: 1;
}

/* Header */
.diag-header {
    text-align: center;
    margin-bottom: 28px;
    padding-top: 10px;
}

.diag-logo-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    margin-bottom: 20px;
}

.diag-logo-img {
    height: 36px;
    width: auto;
    object-fit: contain;
}

.diag-badge-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 96, 22, 0.1);
    color: var(--diag-orange);
    border: 1px solid rgba(255, 96, 22, 0.25);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.diag-title {
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--diag-text-main);
    line-height: 1.3;
    margin: 0 0 10px 0;
    letter-spacing: -0.5px;
}

.diag-subtitle {
    font-size: 0.98rem;
    color: var(--diag-text-muted);
    line-height: 1.6;
    margin: 0 auto;
    max-width: 600px;
}

/* Progress Tracker */
.diag-progress-wrapper {
    background: var(--diag-surface);
    border: 1px solid var(--diag-card-border);
    border-radius: 14px;
    padding: 16px 20px;
    margin-bottom: 30px;
    position: sticky;
    top: 12px;
    z-index: 20;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.diag-progress-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    margin-bottom: 8px;
}

.diag-step-counter {
    color: var(--diag-orange);
    font-weight: 700;
}

.diag-time-estimate {
    color: var(--diag-text-sub);
    display: flex;
    align-items: center;
    gap: 4px;
}

.diag-progress-bar {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    overflow: hidden;
}

.diag-progress-fill {
    height: 100%;
    width: 16.66%;
    background: linear-gradient(90deg, #FF6016, #FFA040);
    border-radius: 999px;
    transition: width 0.35s ease;
}

/* Block Content */
.diag-block-step {
    display: none;
    animation: diagFadeIn 0.3s ease;
}

.diag-block-step.is-active {
    display: block;
}

@keyframes diagFadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.diag-block-header {
    margin-bottom: 24px;
    border-bottom: 1px solid var(--diag-card-border);
    padding-bottom: 14px;
}

.diag-block-pill {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--diag-orange);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
    display: block;
}

.diag-block-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: #FFFFFF;
    margin: 0 0 6px 0;
}

.diag-block-desc {
    font-size: 0.9rem;
    color: var(--diag-text-muted);
    margin: 0;
    line-height: 1.5;
}

/* Concept Highlight Banner (Block 4) */
.diag-concept-card {
    background: linear-gradient(135deg, rgba(255, 96, 22, 0.08) 0%, rgba(18, 18, 22, 0.8) 100%);
    border: 1px solid rgba(255, 96, 22, 0.3);
    border-radius: 12px;
    padding: 16px 20px;
    margin-bottom: 26px;
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.diag-concept-icon {
    font-size: 1.6rem;
    color: var(--diag-orange);
    flex-shrink: 0;
    margin-top: 2px;
}

.diag-concept-text {
    font-size: 0.92rem;
    line-height: 1.6;
    color: #E6E6EC;
}

.diag-concept-text strong {
    color: #FFFFFF;
}

/* Question Wrapper */
.diag-question-group {
    background: var(--diag-surface);
    border: 1px solid var(--diag-card-border);
    border-radius: 14px;
    padding: 22px;
    margin-bottom: 22px;
    transition: border-color 0.2s;
}

.diag-question-group:focus-within {
    border-color: rgba(255, 96, 22, 0.4);
}

.diag-q-header {
    margin-bottom: 16px;
}

.diag-q-title-wrap {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 6px;
}

.diag-q-number {
    background: rgba(255, 255, 255, 0.06);
    color: var(--diag-orange);
    font-size: 0.8rem;
    font-weight: 800;
    padding: 3px 8px;
    border-radius: 6px;
    letter-spacing: 0.5px;
    flex-shrink: 0;
    margin-top: 2px;
}

.diag-q-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: #FFFFFF;
    margin: 0;
    line-height: 1.4;
}

.diag-q-hint {
    font-size: 0.82rem;
    color: var(--diag-text-muted);
    margin: 0 0 0 38px;
}

.diag-selection-limit {
    color: var(--diag-orange);
    font-weight: 600;
}

/* Options Grid */
.diag-options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 10px;
}

.diag-options-grid.columns-2 {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.diag-options-grid.columns-1 {
    grid-template-columns: 1fr;
}

/* Option Card */
.diag-option-label {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--diag-card);
    border: 1px solid var(--diag-card-border);
    border-radius: 10px;
    padding: 12px 16px;
    cursor: pointer;
    transition: all 0.15s ease;
    user-select: none;
    position: relative;
}

.diag-option-label:hover {
    background: var(--diag-card-hover);
    border-color: rgba(255, 255, 255, 0.18);
}

.diag-option-label.is-selected,
.diag-option-label:has(input:checked) {
    background: rgba(255, 96, 22, 0.08);
    border-color: var(--diag-card-border-active);
}

.diag-option-label input[type="radio"],
.diag-option-label input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.diag-custom-control {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.15s ease;
}

.diag-option-label input[type="checkbox"] + .diag-custom-control {
    border-radius: 6px;
}

.diag-option-label.is-selected .diag-custom-control,
.diag-option-label:has(input:checked) .diag-custom-control {
    border-color: var(--diag-orange);
    background: var(--diag-orange);
}

.diag-custom-control-icon {
    display: none;
    font-size: 13px;
    color: #FFFFFF;
    font-weight: bold;
}

.diag-option-label.is-selected .diag-custom-control-icon,
.diag-option-label:has(input:checked) .diag-custom-control-icon {
    display: block;
}

.diag-option-text {
    font-size: 0.92rem;
    font-weight: 500;
    color: #E2E2EA;
    line-height: 1.35;
}

.diag-option-label.is-selected .diag-option-text,
.diag-option-label:has(input:checked) .diag-option-text {
    color: #FFFFFF;
    font-weight: 600;
}

.diag-question-group.has-error {
    border-color: #EF4444 !important;
    animation: diagShake 0.4s ease;
}

@keyframes diagShake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-6px); }
    40%, 80% { transform: translateX(6px); }
}

/* Conditional Text Input */
.diag-conditional-wrap {
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px dashed rgba(255, 255, 255, 0.08);
    display: none;
}

.diag-conditional-wrap.is-visible {
    display: block;
    animation: diagFadeIn 0.25s ease;
}

.diag-input-field {
    width: 100%;
    background: var(--diag-input-bg);
    border: 1px solid var(--diag-card-border);
    border-radius: 10px;
    padding: 12px 16px;
    color: #FFFFFF;
    font-size: 0.95rem;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s;
}

.diag-input-field:focus {
    border-color: var(--diag-orange);
}

.diag-input-field::placeholder {
    color: #555562;
}

textarea.diag-input-field {
    min-height: 80px;
    resize: vertical;
}

/* Contact Lead Inputs (Block 6) */
.diag-lead-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 16px;
}

@media (max-width: 600px) {
    .diag-lead-grid {
        grid-template-columns: 1fr;
    }
}

.diag-lead-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.diag-lead-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--diag-text-sub);
}

.diag-lead-label em {
    color: var(--diag-orange);
    font-style: normal;
}

/* Navigation Buttons */
.diag-nav-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 30px;
    gap: 14px;
}

.diag-btn-prev {
    background: rgba(255, 255, 255, 0.06);
    color: #FFFFFF;
    border: 1px solid var(--diag-card-border);
    padding: 14px 24px;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.15s ease;
}

.diag-btn-prev:hover {
    background: rgba(255, 255, 255, 0.1);
}

.diag-btn-next,
.diag-btn-submit {
    background: var(--diag-orange);
    color: #FFFFFF;
    border: none;
    padding: 14px 32px;
    border-radius: 10px;
    font-size: 0.98rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
    transition: all 0.2s ease;
}

.diag-btn-next:hover,
.diag-btn-submit:hover {
    background: var(--diag-orange-hover);
    box-shadow: 0 4px 16px var(--diag-orange-glow);
}

/* Success Card */
.diag-success-wrapper {
    display: none;
    text-align: center;
    background: var(--diag-surface);
    border: 1px solid var(--diag-card-border);
    border-radius: 16px;
    padding: 40px 24px;
    margin-top: 20px;
    animation: diagFadeIn 0.4s ease;
}

.diag-success-wrapper.is-active {
    display: block;
}

.diag-success-icon-wrap {
    width: 76px;
    height: 76px;
    border-radius: 50%;
    background: rgba(16, 185, 129, 0.12);
    border: 2px solid rgba(16, 185, 129, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px auto;
}

.diag-success-icon {
    font-size: 2.5rem;
    color: var(--diag-success);
}

.diag-success-title {
    font-size: 1.6rem;
    font-weight: 800;
    color: #FFFFFF;
    margin: 0 0 10px 0;
}

.diag-success-desc {
    font-size: 0.98rem;
    color: var(--diag-text-muted);
    max-width: 540px;
    margin: 0 auto 24px auto;
    line-height: 1.6;
}

.diag-success-next-steps {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--diag-card-border);
    border-radius: 12px;
    padding: 20px;
    text-align: left;
    max-width: 540px;
    margin: 0 auto 28px auto;
}

.diag-next-steps-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: #FFFFFF;
    margin: 0 0 12px 0;
}

.diag-next-steps-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--diag-text-sub);
}

.diag-next-step-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    line-height: 1.5;
}

.diag-next-step-item i {
    color: var(--diag-orange);
    font-size: 1.1rem;
    flex-shrink: 0;
    margin-top: 1px;
}

.diag-success-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.diag-btn-home {
    background: var(--diag-orange);
    color: #FFFFFF;
    text-decoration: none;
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 0.92rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.diag-btn-whatsapp {
    background: rgba(37, 211, 102, 0.12);
    color: #25D366;
    border: 1px solid rgba(37, 211, 102, 0.3);
    text-decoration: none;
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 0.92rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}