/* ==============================================================================
   GUARD FINANCE - CHECKOUT TRANSPARENTE
   Design System & Premium UI/UX Style
   ============================================================================== */

:root {
    --gf-primary: #0d1e38;
    --gf-primary-dark: #081324;
    --gf-primary-light: #162c4e;
    --gf-gold: #c59b27;
    --gf-gold-light: #e5b83b;
    --gf-gold-gradient: linear-gradient(135deg, #d4af37 0%, #f3e08f 50%, #aa7c11 100%);
    --gf-accent: #3b82f6;
    --gf-success: #10b981;
    --gf-success-dark: #059669;
    --gf-danger: #ef4444;
    --gf-warning: #f59e0b;
    --gf-gray-50: #f8fafc;
    --gf-gray-100: #f1f5f9;
    --gf-gray-200: #e2e8f0;
    --gf-gray-300: #cbd5e1;
    --gf-gray-400: #94a3b8;
    --gf-gray-500: #64748b;
    --gf-gray-600: #475569;
    --gf-gray-700: #334155;
    --gf-gray-800: #1e293b;
    --gf-gray-900: #0f172a;
    --gf-card-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
    --gf-radius: 16px;
    --gf-radius-sm: 10px;
    --gf-transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

html, body {
    overflow-x: hidden;
    width: 100%;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--gf-gray-100);
    color: var(--gf-gray-800);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* --------------------------------------------------------------------------
   Linha Superior Informativa: Ambiente de Homologação
   -------------------------------------------------------------------------- */
.gf-homolog-bar {
    width: 100%;
    background: #d97706;
    color: #ffffff;
    font-size: 11.5px;
    font-weight: 800;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    text-align: center;
    padding: 7px 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
    position: relative;
    z-index: 60;
}

.gf-homolog-bar i {
    font-size: 13px;
}

/* --------------------------------------------------------------------------
   Header Bar
   -------------------------------------------------------------------------- */
.gf-header {
    background: var(--gf-primary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.gf-header-container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.gf-logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.gf-header-logo {
    height: 38px;
    width: auto;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.gf-security-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 6px 14px;
    border-radius: 9999px;
    font-size: 12px;
    font-weight: 600;
    color: #e2e8f0;
    letter-spacing: 0.3px;
}

.gf-security-badge svg {
    width: 14px;
    height: 14px;
    fill: var(--gf-gold);
}

/* --------------------------------------------------------------------------
   Main Content Layout
   -------------------------------------------------------------------------- */
.gf-main {
    flex: 1;
    max-width: 1140px;
    width: 100%;
    margin: 32px auto;
    padding: 0 24px;
}

.gf-checkout-grid {
    display: grid;
    grid-template-columns: 420px 1fr;
    gap: 32px;
    align-items: start;
}

@media (max-width: 960px) {
    .gf-checkout-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .gf-summary-card {
        position: static;
        top: auto;
    }
}

/* --------------------------------------------------------------------------
   Left Column: Summary Card
   -------------------------------------------------------------------------- */
.gf-summary-card {
    background: #ffffff;
    border-radius: var(--gf-radius);
    box-shadow: var(--gf-card-shadow);
    border: 1px solid var(--gf-gray-200);
    overflow: hidden;
    position: sticky;
    top: 90px;
}

.gf-summary-header {
    background: linear-gradient(135deg, var(--gf-primary) 0%, var(--gf-primary-light) 100%);
    padding: 24px;
    color: #ffffff;
    position: relative;
}

.gf-summary-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gf-gold-gradient);
}

.gf-summary-merchant {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gf-gold);
    font-weight: 700;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.gf-summary-title {
    font-size: 18px;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.3;
}

.gf-summary-body {
    padding: 24px;
}

.gf-amount-box {
    background: var(--gf-gray-50);
    border-radius: var(--gf-radius-sm);
    padding: 16px 20px;
    margin-bottom: 20px;
    border: 1px solid var(--gf-gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.gf-amount-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--gf-gray-500);
    text-transform: uppercase;
}

.gf-amount-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--gf-primary);
    letter-spacing: -0.5px;
}

.gf-order-details {
    list-style: none;
    margin-bottom: 24px;
}

.gf-order-details li {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    font-size: 14px;
    border-bottom: 1px dashed var(--gf-gray-200);
}

.gf-order-details li:last-child {
    border-bottom: none;
}

.gf-order-details .label {
    color: var(--gf-gray-500);
}

.gf-order-details .value {
    font-weight: 600;
    color: var(--gf-gray-800);
    text-align: right;
}

.gf-trust-box {
    background: #fdfaf2;
    border: 1px solid #f2e3be;
    border-radius: var(--gf-radius-sm);
    padding: 14px 16px;
    font-size: 12px;
    color: #785a12;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    line-height: 1.5;
}

.gf-trust-box svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    fill: #aa7c11;
    margin-top: 2px;
}

/* --------------------------------------------------------------------------
   Right Column: Payment Card
   -------------------------------------------------------------------------- */
.gf-payment-card {
    background: #ffffff;
    border-radius: var(--gf-radius);
    box-shadow: var(--gf-card-shadow);
    border: 1px solid var(--gf-gray-200);
    overflow: hidden;
}

.gf-payment-tabs {
    display: flex;
    background: var(--gf-gray-100);
    padding: 6px;
    border-bottom: 1px solid var(--gf-gray-200);
    gap: 6px;
}

.gf-tab-button {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 18px;
    background: transparent;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 700;
    color: var(--gf-gray-600);
    cursor: pointer;
    transition: var(--gf-transition);
}

.gf-tab-button:hover {
    color: var(--gf-gray-900);
    background: rgba(255, 255, 255, 0.6);
}

.gf-tab-button.active {
    background: #ffffff;
    color: var(--gf-primary);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.08);
}

.gf-tab-button svg {
    width: 22px;
    height: 22px;
    transition: var(--gf-transition);
}

.gf-tab-button.active svg {
    fill: var(--gf-gold);
}

.gf-tab-badge {
    background: var(--gf-success);
    color: #ffffff;
    font-size: 10px;
    font-weight: 800;
    padding: 2px 7px;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.gf-tab-content {
    padding: 28px 32px;
}

@media (max-width: 640px) {
    .gf-tab-content {
        padding: 20px 16px;
    }
}

.gf-tab-pane {
    display: none;
}

.gf-tab-pane.active {
    display: block;
    animation: gfFadeIn 0.3s ease-out;
}

@keyframes gfFadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --------------------------------------------------------------------------
   Form Controls & Modern Inputs
   -------------------------------------------------------------------------- */
.gf-form-section {
    margin-bottom: 24px;
}

.gf-section-title {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--gf-gray-500);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.gf-section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--gf-gray-200);
}

.gf-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.gf-form-row.single {
    grid-template-columns: 1fr;
}

.gf-form-row.three {
    grid-template-columns: 2fr 1fr 1fr;
}

@media (max-width: 640px) {
    .gf-form-row:not(.card-expiry-cvv), .gf-form-row.three {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .gf-form-row.card-expiry-cvv {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
}

.gf-field-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    position: relative;
}

.gf-field-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--gf-gray-700);
    display: flex;
    justify-content: space-between;
}

.gf-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.gf-input {
    width: 100%;
    height: 48px;
    padding: 10px 14px;
    background: #ffffff;
    border: 1.5px solid var(--gf-gray-300);
    border-radius: var(--gf-radius-sm);
    font-size: 15px;
    color: var(--gf-gray-800);
    transition: var(--gf-transition);
    outline: none;
    font-family: inherit;
}

.gf-input:focus {
    border-color: var(--gf-primary);
    box-shadow: 0 0 0 4px rgba(13, 30, 56, 0.08);
}

.gf-input::placeholder {
    color: var(--gf-gray-400);
}

.gf-input.error {
    border-color: var(--gf-danger);
    background: #fff8f8;
}

.gf-field-error {
    font-size: 11px;
    color: var(--gf-danger);
    font-weight: 600;
    display: none;
}

.gf-input.error + .gf-field-error {
    display: block;
}

.gf-card-brand-icon {
    position: absolute;
    right: 12px;
    width: 36px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.gf-card-brand-icon img {
    max-width: 100%;
    max-height: 100%;
}

/* --------------------------------------------------------------------------
   Interactive Virtual Credit Card
   -------------------------------------------------------------------------- */
.gf-card-preview-wrapper {
    perspective: 1000px;
    margin: 0 auto 28px;
    max-width: 340px;
    height: 200px;
}

.gf-card-preview {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 16px;
    box-shadow: 0 16px 28px -6px rgba(13, 30, 56, 0.35);
}

.gf-card-preview.flip {
    transform: rotateY(180deg);
}

.gf-card-front, .gf-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 16px;
    padding: 22px;
    color: #ffffff;
    background: linear-gradient(135deg, #0d1e38 0%, #1a365d 70%, #2a4365 100%);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.gf-card-front::before, .gf-card-back::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(197, 155, 39, 0.2) 0%, rgba(255,255,255,0) 70%);
    pointer-events: none;
}

.gf-card-front-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.gf-card-chip {
    width: 44px;
    height: 32px;
    background: linear-gradient(135deg, #dfb743 0%, #a87e14 100%);
    border-radius: 6px;
    position: relative;
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.3);
}

.gf-card-chip::after {
    content: '';
    position: absolute;
    inset: 4px;
    border: 1px solid rgba(0,0,0,0.25);
    border-radius: 3px;
}

.gf-card-preview-brand {
    font-size: 16px;
    font-weight: 800;
    letter-spacing: 1px;
    color: var(--gf-gold);
    text-transform: uppercase;
}

.gf-card-preview-number {
    font-family: 'Courier New', Courier, monospace;
    font-size: 20px;
    letter-spacing: 2.5px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.4);
    margin: 14px 0 6px;
    word-spacing: 4px;
}

.gf-card-front-bottom {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.gf-card-holder-label, .gf-card-expiry-label {
    font-size: 8px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 1px;
    margin-bottom: 2px;
}

.gf-card-holder-val {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 180px;
}

.gf-card-expiry-val {
    font-family: 'Courier New', Courier, monospace;
    font-size: 14px;
    font-weight: 700;
}

.gf-card-back {
    transform: rotateY(180deg);
    padding: 20px 0;
}

.gf-card-magstripe {
    width: 100%;
    height: 38px;
    background: #000000;
    margin-top: 6px;
}

.gf-card-cvv-box {
    padding: 0 22px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    margin-top: 16px;
}

.gf-card-cvv-val {
    background: #ffffff;
    color: #000000;
    padding: 6px 14px;
    border-radius: 4px;
    font-family: 'Courier New', Courier, monospace;
    font-weight: 700;
    letter-spacing: 2px;
}

/* --------------------------------------------------------------------------
   PIX UI Components
   -------------------------------------------------------------------------- */
.gf-pix-box {
    text-align: center;
    padding: 8px 0;
}

.gf-pix-instructions {
    background: var(--gf-gray-50);
    border-radius: var(--gf-radius-sm);
    padding: 16px;
    margin-bottom: 24px;
    border: 1px solid var(--gf-gray-200);
    text-align: left;
}

.gf-pix-steps {
    list-style: none;
    counter-reset: pix-step;
}

.gf-pix-steps li {
    counter-increment: pix-step;
    position: relative;
    padding-left: 32px;
    margin-bottom: 10px;
    font-size: 13px;
    color: var(--gf-gray-700);
}

.gf-pix-steps li:last-child {
    margin-bottom: 0;
}

.gf-pix-steps li::before {
    content: counter(pix-step);
    position: absolute;
    left: 0;
    top: 0;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--gf-primary);
    color: #ffffff;
    font-size: 11px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gf-qr-wrapper {
    display: inline-block;
    padding: 16px;
    background: #ffffff;
    border: 2px dashed var(--gf-gold);
    border-radius: 16px;
    box-shadow: 0 8px 16px -4px rgba(0, 0, 0, 0.06);
    margin-bottom: 20px;
    position: relative;
}

.gf-qr-image {
    width: 210px;
    height: 210px;
    display: block;
    image-rendering: pixelated;
}

.gf-pix-copy-area {
    max-width: 480px;
    margin: 0 auto 24px;
}

.gf-copy-input-group {
    display: flex;
    box-shadow: 0 2px 4px rgba(0,0,0,0.04);
}

.gf-pix-code-input {
    flex: 1;
    height: 48px;
    border: 1.5px solid var(--gf-gray-300);
    border-right: none;
    border-radius: var(--gf-radius-sm) 0 0 var(--gf-radius-sm);
    padding: 10px 14px;
    font-family: monospace;
    font-size: 13px;
    background: var(--gf-gray-50);
    color: var(--gf-gray-600);
    outline: none;
}

.gf-copy-btn {
    height: 48px;
    padding: 0 20px;
    background: var(--gf-gold-gradient);
    border: none;
    border-radius: 0 var(--gf-radius-sm) var(--gf-radius-sm) 0;
    color: #0c192c;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--gf-transition);
}

.gf-copy-btn:hover {
    filter: brightness(1.08);
}

.gf-copy-btn.copied {
    background: var(--gf-success);
    color: #ffffff;
}

/* Live Pulse Radar for Pix Polling */
.gf-pix-live-status {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    padding: 10px 18px;
    border-radius: 9999px;
    font-size: 13px;
    color: #1e40af;
    font-weight: 600;
}

.gf-radar-dot {
    position: relative;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #3b82f6;
}

.gf-radar-dot::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: #3b82f6;
    opacity: 0.75;
    animation: gfPulseRadar 1.5s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes gfPulseRadar {
    0% { transform: scale(0.9); opacity: 0.8; }
    100% { transform: scale(2.5); opacity: 0; }
}

/* --------------------------------------------------------------------------
   Submit Button & CTAs
   -------------------------------------------------------------------------- */
.gf-submit-btn {
    width: 100%;
    height: 54px;
    background: var(--gf-gold-gradient);
    border: none;
    border-radius: var(--gf-radius-sm);
    color: #0c192c;
    font-size: 16px;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 8px 16px -2px rgba(170, 124, 17, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--gf-transition);
    letter-spacing: 0.3px;
}

.gf-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 20px -2px rgba(170, 124, 17, 0.45);
    filter: brightness(1.06);
}

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

.gf-submit-btn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    transform: none;
}

.gf-submit-btn svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.gf-btn-spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(12, 25, 44, 0.25);
    border-top-color: #0c192c;
    border-radius: 50%;
    animation: gfSpin 0.8s linear infinite;
    display: none;
}

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

.gf-submit-btn.loading .gf-btn-text,
.gf-submit-btn.loading .gf-btn-icon {
    display: none;
}

.gf-submit-btn.loading .gf-btn-spinner {
    display: block;
}

/* --------------------------------------------------------------------------
   Success & Receipt Screen
   -------------------------------------------------------------------------- */
.gf-success-screen {
    text-align: center;
    padding: 32px 16px;
}

.gf-success-icon-wrapper {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: #ecfdf5;
    border: 4px solid #a7f3d0;
    color: var(--gf-success);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    animation: gfPopSuccess 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes gfPopSuccess {
    from { transform: scale(0.4); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.gf-success-icon-wrapper svg {
    width: 44px;
    height: 44px;
    fill: var(--gf-success);
}

.gf-pending-icon-wrapper {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: #fffbeb;
    border: 4px solid #fde68a;
    color: #d97706;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    animation: gfPopSuccess 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.gf-pending-icon-wrapper svg {
    width: 44px;
    height: 44px;
    fill: #d97706;
}

.gf-success-title {
    font-size: 24px;
    font-weight: 800;
    color: var(--gf-gray-900);
    margin-bottom: 8px;
}

.gf-success-subtitle {
    font-size: 15px;
    color: var(--gf-gray-500);
    margin-bottom: 28px;
}

.gf-receipt-box {
    background: var(--gf-gray-50);
    border: 1px solid var(--gf-gray-200);
    border-radius: var(--gf-radius-sm);
    padding: 20px;
    max-width: 460px;
    margin: 0 auto 28px;
    text-align: left;
}

.gf-receipt-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    font-size: 13.5px;
    border-bottom: 1px dashed var(--gf-gray-200);
}

.gf-receipt-row:last-child {
    border-bottom: none;
}

.gf-receipt-row .label {
    color: var(--gf-gray-500);
}

.gf-receipt-row .val {
    font-weight: 700;
    color: var(--gf-gray-800);
}

.gf-receipt-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
}

.gf-btn-secondary {
    padding: 12px 24px;
    border-radius: var(--gf-radius-sm);
    font-size: 14px;
    font-weight: 700;
    border: 1.5px solid var(--gf-gray-300);
    background: #ffffff;
    color: var(--gf-gray-700);
    cursor: pointer;
    transition: var(--gf-transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.gf-btn-secondary:hover {
    background: var(--gf-gray-100);
    border-color: var(--gf-gray-400);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.gf-footer {
    background: #ffffff;
    border-top: 1px solid var(--gf-gray-200);
    padding: 24px 0;
    margin-top: auto;
    font-size: 13px;
    color: var(--gf-gray-500);
    text-align: center;
}

.gf-footer-container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.gf-badges-row {
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
}

.gf-badge-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--gf-gray-600);
}

.gf-badge-item svg {
    width: 16px;
    height: 16px;
    fill: var(--gf-gold);
}

/* --------------------------------------------------------------------------
   Identification & Payer Profile Steps (Pagar.me / PagSeguro Style)
   -------------------------------------------------------------------------- */
.gf-ident-box {
    background: #ffffff;
    border-radius: var(--gf-radius);
    box-shadow: var(--gf-card-shadow);
    border: 1px solid var(--gf-gray-200);
    padding: 28px 32px;
    margin-bottom: 24px;
}

.gf-ident-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--gf-gray-200);
}

.gf-ident-icon {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(197, 155, 39, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gf-gold);
    font-size: 16px;
    flex-shrink: 0;
}

.gf-ident-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--gf-gray-900);
}

.gf-ident-subtitle {
    font-size: 13px;
    color: var(--gf-gray-500);
}

.gf-ident-summary {
    background: var(--gf-gray-50);
    border: 1px solid var(--gf-gray-200);
    border-radius: var(--gf-radius-sm);
    padding: 12px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    font-size: 13.5px;
}

.gf-ident-summary-text {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--gf-gray-700);
    flex-wrap: wrap;
}

.gf-ident-summary-text b {
    color: var(--gf-gray-900);
}

.gf-btn-edit-ident {
    color: var(--gf-gold);
    font-size: 12.5px;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    background: transparent;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.gf-btn-edit-ident:hover {
    text-decoration: underline;
    color: var(--gf-gold-light);
}

/* PIX Countdown Timer & Expiration */
.gf-pix-timer {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: #fef3c7;
    color: #92400e;
    font-size: 12.5px;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: 9999px;
    margin-top: 10px;
    max-width: 100%;
    line-height: 1.4;
    text-align: center;
}

.gf-pix-reused-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #f0fdf4;
    color: #166534;
    border: 1px solid #bbf7d0;
    font-size: 11px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 9999px;
    margin-bottom: 12px;
}

/* --------------------------------------------------------------------------
   Mobile Responsiveness & Fluid UI (Tablets & Smartphones: 320px - 768px)
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
    .gf-main {
        margin: 16px auto;
        padding: 0 14px;
    }
    .gf-summary-header {
        padding: 18px 16px;
    }
    .gf-summary-body {
        padding: 18px 16px;
    }
    .gf-summary-title {
        font-size: 17px;
    }
    .gf-ident-box {
        padding: 20px 16px;
    }
    .gf-tab-content {
        padding: 20px 16px;
    }
    /* Previne auto-zoom indesejado no iOS Safari */
    .gf-input, select.gf-input {
        font-size: 16px !important;
    }
}

@media (max-width: 540px) {
    .gf-payment-tabs {
        padding: 4px;
        gap: 4px;
    }
    .gf-tab-button {
        padding: 10px 6px;
        font-size: 13px;
        gap: 4px;
        flex-direction: column;
        text-align: center;
    }
    .gf-tab-button svg {
        width: 20px;
        height: 20px;
    }
    .gf-tab-badge {
        font-size: 9px;
        padding: 2px 6px;
    }
}

@media (max-width: 480px) {
    .gf-header {
        padding: 12px 0;
    }
    .gf-header-container {
        padding: 0 14px;
    }
    .gf-header-logo {
        height: 28px;
    }
    .gf-security-badge {
        padding: 4px 10px;
        font-size: 11px;
        gap: 5px;
    }
    .gf-amount-box {
        padding: 14px 16px;
    }
    .gf-amount-value {
        font-size: 24px;
    }
    .gf-card-preview-wrapper {
        max-width: 290px;
        height: 172px;
        margin-bottom: 20px;
        cursor: pointer;
    }
    .gf-card-front, .gf-card-back {
        padding: 14px 16px;
    }
    .gf-card-chip {
        width: 36px;
        height: 26px;
    }
    .gf-card-preview-brand {
        font-size: 13px;
    }
    .gf-card-preview-number {
        font-size: 16px;
        letter-spacing: 1.5px;
        margin: 8px 0 4px;
        word-spacing: 2px;
    }
    .gf-card-holder-val, .gf-card-expiry-val {
        font-size: 12px;
    }
    .gf-card-cvv-box {
        padding: 0 16px;
        margin-top: 10px;
    }
    .gf-qr-wrapper {
        padding: 12px;
        border-radius: 12px;
    }
    .gf-qr-image {
        width: 180px;
        height: 180px;
        max-width: 100%;
        margin: 0 auto;
    }
    .gf-copy-input-group {
        flex-direction: column;
        gap: 8px;
    }
    .gf-pix-code-input {
        border-right: 1.5px solid var(--gf-gray-300);
        border-radius: var(--gf-radius-sm);
        text-align: center;
        font-size: 12px;
        height: 44px;
    }
    .gf-copy-btn {
        border-radius: var(--gf-radius-sm);
        justify-content: center;
        width: 100%;
        height: 46px;
    }
    .gf-pix-live-status {
        padding: 8px 14px;
        font-size: 12px;
        gap: 8px;
        border-radius: 12px;
        text-align: left;
        max-width: 100%;
        line-height: 1.3;
    }
    .gf-pix-timer {
        font-size: 12px;
        padding: 6px 12px;
    }
    .gf-pix-steps li {
        font-size: 12.5px;
    }
    .gf-submit-btn {
        height: 50px;
        font-size: 15px;
    }
    .gf-ident-summary {
        padding: 10px 14px;
        gap: 10px;
        flex-direction: column;
        align-items: flex-start;
    }
    .gf-btn-edit-ident {
        align-self: flex-end;
        padding: 5px 10px;
        background: rgba(197, 155, 39, 0.12);
        border-radius: 6px;
    }
    .gf-receipt-box {
        padding: 16px;
    }
    .gf-receipt-row {
        font-size: 13px;
    }
    .gf-receipt-actions {
        flex-direction: column;
        gap: 10px;
        width: 100%;
    }
    .gf-receipt-actions .gf-btn-secondary {
        width: 100%;
        justify-content: center;
    }
    .gf-badges-row {
        gap: 10px 14px;
    }
    .gf-badge-item {
        font-size: 11px;
    }
}

/* --------------------------------------------------------------------------
   Print Styles (Comprovante Oficial de Pagamento)
   -------------------------------------------------------------------------- */
.gf-print-header,
.gf-print-footer {
    display: none;
}

@media print {
    @page {
        margin: 1.5cm;
        size: auto;
    }

    body {
        background: #ffffff !important;
        color: #0f172a !important;
        font-size: 11pt !important;
        line-height: 1.4 !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }

    /* Oculta navegação, cabeçalho web, rodapé, resumo da cobrança e formulários */
    .gf-homolog-bar,
    .gf-header,
    .gf-footer,
    .gf-summary-card,
    .gf-ident-box,
    .gf-ident-summary,
    .gf-receipt-actions,
    .gf-btn-secondary,
    .gf-payment-tabs,
    .gf-pix-instructions,
    .gf-card-preview-wrapper,
    .gf-tab-button,
    #card_form,
    #ident_form {
        display: none !important;
    }

    .gf-main {
        margin: 0 !important;
        padding: 0 !important;
        max-width: 100% !important;
        width: 100% !important;
    }

    .gf-checkout-grid {
        display: block !important;
    }

    .gf-payment-flow {
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    /* O Card de Comprovante de Pagamento DEVE ser exibido */
    .gf-payment-card {
        display: block !important;
        box-shadow: none !important;
        border: none !important;
        padding: 0 !important;
        margin: 0 !important;
        max-width: 100% !important;
        width: 100% !important;
        background: transparent !important;
    }

    .gf-success-screen {
        display: block !important;
        padding: 0 !important;
        text-align: center !important;
    }

    /* Cabeçalho Oficial no Topo da Folha */
    .gf-print-header {
        display: block !important;
        text-align: center !important;
        margin-bottom: 24px !important;
        padding-bottom: 16px !important;
        border-bottom: 2px solid #0d1e38 !important;
        
        background: var(--gf-primary);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        padding: 16px 0;
        position: sticky;
        top: 0;
        z-index: 50;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        
    }

    .gf-print-header img {
        height: 44px !important;
        display: inline-block !important;
        margin-bottom: 8px !important;
    }

    .gf-success-icon-wrapper {
        border: 2px solid #059669 !important;
        width: 52px !important;
        height: 52px !important;
        margin: 0 auto 12px !important;
        border-radius: 50% !important;
        background: #ecfdf5 !important;
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .gf-success-icon-wrapper svg {
        width: 28px !important;
        height: 28px !important;
        fill: #059669 !important;
    }

    .gf-success-title {
        font-size: 16pt !important;
        color: #0f172a !important;
        margin-bottom: 4px !important;
        font-weight: 800 !important;
    }

    .gf-success-subtitle {
        font-size: 10pt !important;
        color: #475569 !important;
        margin-bottom: 20px !important;
    }

    /* Caixa Central com os Dados do Comprovante */
    .gf-receipt-box {
        display: block !important;
        max-width: 100% !important;
        width: 100% !important;
        border: 1.5px solid #cbd5e1 !important;
        border-radius: 8px !important;
        padding: 16px 20px !important;
        background: #f8fafc !important;
        margin: 0 auto 20px !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .gf-receipt-row {
        display: flex !important;
        justify-content: space-between !important;
        align-items: center !important;
        padding: 8px 0 !important;
        border-bottom: 1px dashed #cbd5e1 !important;
        font-size: 10.5pt !important;
    }

    .gf-receipt-row:last-child {
        border-bottom: none !important;
    }

    .gf-receipt-row .label {
        color: #475569 !important;
        font-weight: 600 !important;
    }

    .gf-receipt-row .val {
        color: #0f172a !important;
        font-weight: 700 !important;
    }

    /* Rodapé de Autenticação */
    .gf-print-footer {
        display: block !important;
        margin-top: 24px !important;
        font-size: 9pt !important;
        color: #64748b !important;
        text-align: center !important;
        border-top: 1px solid #cbd5e1 !important;
        padding-top: 12px !important;
    }
}