/* ===================================
   Reset e Configurações Básicas
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cores Principais */
    --primary-blue: #0066cc;
    --secondary-blue: #004999;
    --light-blue: #e6f2ff;
    --success-green: #28a745;
    --dark-green: #1e7e34;
    --light-green: #d4edda;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --medium-gray: #6c757d;
    --dark-gray: #343a40;
    --border-color: #dee2e6;
    --shadow-color: rgba(0, 0, 0, 0.1);
    
    /* Tipografia */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Transições */
    --transition: all 0.3s ease;
}

body {
    font-family: var(--font-primary);
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    color: var(--dark-gray);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===================================
   Header
   =================================== */
.header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    padding: 20px 0;
    box-shadow: 0 4px 12px var(--shadow-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
}

.logo i {
    font-size: 32px;
}

.security-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
}

.security-badge i {
    font-size: 18px;
}

/* ===================================
   Main Content
   =================================== */
.main-content {
    padding: 40px 0;
}

/* Title Section */
.title-section {
    text-align: center;
    margin-bottom: 40px;
    animation: fadeInDown 0.6s ease;
}

.main-title {
    font-size: 32px;
    font-weight: 800;
    color: var(--secondary-blue);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.main-title i {
    font-size: 36px;
    color: var(--primary-blue);
}

.subtitle {
    font-size: 16px;
    color: var(--medium-gray);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

/* Loan Information Cards */
.loan-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
    animation: fadeInUp 0.6s ease 0.2s both;
}

.info-card {
    background: var(--white);
    padding: 32px;
    border-radius: 16px;
    box-shadow: 0 4px 20px var(--shadow-color);
    text-align: center;
    transition: var(--transition);
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px var(--shadow-color);
}

.info-card i {
    font-size: 48px;
    margin-bottom: 16px;
}

.highlight-card {
    border: 3px solid var(--success-green);
}

.highlight-card i {
    color: var(--success-green);
}

.payment-card {
    border: 3px solid var(--primary-blue);
}

.payment-card i {
    color: var(--primary-blue);
}

.info-card h3 {
    font-size: 18px;
    color: var(--medium-gray);
    margin-bottom: 12px;
    font-weight: 600;
}

.loan-amount {
    font-size: 42px;
    font-weight: 800;
    color: var(--success-green);
    margin: 0;
}

.payment-amount {
    font-size: 42px;
    font-weight: 800;
    color: var(--primary-blue);
    margin: 0;
}

/* ===================================
   PIX Section
   =================================== */
.pix-section {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 6px 25px var(--shadow-color);
    margin-bottom: 40px;
    animation: fadeInUp 0.6s ease 0.4s both;
}

.section-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--secondary-blue);
    margin-bottom: 32px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.section-title i {
    font-size: 32px;
    color: var(--primary-blue);
}

/* QR Code */
.qr-container {
    display: flex;
    justify-content: center;
    margin-bottom: 32px;
}

.qr-code-box {
    background: var(--light-blue);
    padding: 32px;
    border-radius: 16px;
    text-align: center;
    border: 3px dashed var(--primary-blue);
}

#qrcode {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 16px;
}

.qr-label {
    font-size: 16px;
    font-weight: 600;
    color: var(--secondary-blue);
    margin: 0;
}

/* Divider */
.divider {
    position: relative;
    text-align: center;
    margin: 32px 0;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--border-color);
    z-index: 1;
}

.divider span {
    position: relative;
    z-index: 2;
    background: var(--white);
    padding: 0 20px;
    font-weight: 600;
    color: var(--medium-gray);
    font-size: 14px;
}

/* PIX Copy Section */
.pix-copy-section {
    max-width: 600px;
    margin: 0 auto;
}

.copy-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--secondary-blue);
    margin-bottom: 16px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.pix-code-container {
    margin-bottom: 16px;
}

.pix-code {
    width: 100%;
    padding: 16px;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    color: var(--dark-gray);
    background: var(--light-gray);
    resize: none;
    height: 120px;
    transition: var(--transition);
}

.pix-code:focus {
    outline: none;
    border-color: var(--primary-blue);
    background: var(--white);
}

.copy-btn {
    width: 100%;
    padding: 16px 32px;
    background: linear-gradient(135deg, var(--success-green) 0%, var(--dark-green) 100%);
    color: var(--white);
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3);
}

.copy-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(40, 167, 69, 0.4);
}

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

.copy-btn i {
    font-size: 20px;
}

.copy-feedback {
    margin-top: 16px;
    padding: 16px;
    background: var(--light-green);
    color: var(--dark-green);
    border-radius: 12px;
    text-align: center;
    font-weight: 600;
    display: none;
    animation: slideInUp 0.4s ease;
}

.copy-feedback.show {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.copy-feedback i {
    font-size: 20px;
}

/* ===================================
   Instructions Section
   =================================== */
.instructions-section {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 6px 25px var(--shadow-color);
    margin-bottom: 40px;
    animation: fadeInUp 0.6s ease 0.6s both;
}

.instructions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-top: 32px;
}

.instruction-card {
    background: var(--light-gray);
    padding: 28px;
    border-radius: 16px;
    text-align: center;
    position: relative;
    transition: var(--transition);
    border: 2px solid transparent;
}

.instruction-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-blue);
    background: var(--light-blue);
}

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
    box-shadow: 0 4px 12px var(--shadow-color);
}

.instruction-card i {
    font-size: 48px;
    color: var(--primary-blue);
    margin: 20px 0 16px;
}

.instruction-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--secondary-blue);
    margin-bottom: 12px;
}

.instruction-card p {
    font-size: 14px;
    color: var(--medium-gray);
    line-height: 1.6;
}

/* ===================================
   Security Section
   =================================== */
.security-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
    animation: fadeInUp 0.6s ease 0.8s both;
}

.security-info,
.important-note {
    background: var(--white);
    padding: 24px;
    border-radius: 16px;
    box-shadow: 0 4px 20px var(--shadow-color);
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.security-info {
    border-left: 5px solid var(--success-green);
}

.important-note {
    border-left: 5px solid var(--primary-blue);
}

.security-info i,
.important-note i {
    font-size: 32px;
    flex-shrink: 0;
}

.security-info i {
    color: var(--success-green);
}

.important-note i {
    color: var(--primary-blue);
}

.security-text h3,
.important-note h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--secondary-blue);
    margin-bottom: 8px;
}

.security-text p,
.important-note p {
    font-size: 14px;
    color: var(--medium-gray);
    line-height: 1.6;
    margin: 0;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: linear-gradient(135deg, var(--secondary-blue) 0%, var(--dark-gray) 100%);
    color: var(--white);
    padding: 40px 0 20px;
    margin-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
    margin-bottom: 32px;
}

.footer-section h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-section p {
    font-size: 14px;
    margin-bottom: 8px;
    opacity: 0.9;
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-bottom p {
    font-size: 14px;
    opacity: 0.8;
}

/* ===================================
   Animations
   =================================== */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .logo {
        font-size: 20px;
    }
    
    .logo i {
        font-size: 28px;
    }
    
    .main-title {
        font-size: 24px;
        flex-direction: column;
        gap: 8px;
    }
    
    .main-title i {
        font-size: 32px;
    }
    
    .subtitle {
        font-size: 14px;
    }
    
    .loan-amount,
    .payment-amount {
        font-size: 32px;
    }
    
    .pix-section,
    .instructions-section {
        padding: 24px;
    }
    
    .section-title {
        font-size: 22px;
        flex-direction: column;
        gap: 8px;
    }
    
    .qr-code-box {
        padding: 20px;
    }
    
    .pix-code {
        font-size: 11px;
        height: 100px;
    }
    
    .copy-btn {
        font-size: 16px;
        padding: 14px 24px;
    }
    
    .instructions-grid {
        grid-template-columns: 1fr;
    }
    
    .security-section {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-section h4 {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .info-card {
        padding: 24px 16px;
    }
    
    .loan-amount,
    .payment-amount {
        font-size: 28px;
    }
    
    .pix-section,
    .instructions-section {
        padding: 20px 16px;
    }
}

/* ===================================
   Print Styles
   =================================== */
@media print {
    .header,
    .footer,
    .copy-btn,
    .instructions-section {
        display: none;
    }
    
    body {
        background: white;
    }
    
    .pix-section {
        box-shadow: none;
        border: 2px solid var(--dark-gray);
    }
}