:root {
    --primary-color: #4361ee;
    --secondary-color: #3f37c9;
    --success-color: #4cc9f0;
    --danger-color: #f72585;
    --warning-color: #f8961e;
    --dark-color: #1e1e2f;
    --light-color: #f8f9fa;
    --gray-color: #6c757d;
    --border-radius: 12px;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', 'Segoe UI', sans-serif;
}

body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 30px 20px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.container {
    max-width: 800px;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 30px;
    box-shadow: var(--box-shadow);
    padding: 40px;
    animation: slideIn 0.5s ease-out;
}

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

header {
    text-align: center;
    margin-bottom: 30px;
}

h1 {
    color: var(--dark-color);
    font-size: 32px;
    margin-bottom: 10px;
    font-weight: 700;
}

h1::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    margin: 15px auto 0;
    border-radius: 2px;
}

.subtitle {
    color: var(--gray-color);
    font-size: 16px;
}

.progress-bar {
    display: flex;
    justify-content: space-between;
    margin: 30px 0;
    position: relative;
}

.progress-bar::before {
    content: '';
    position: absolute;
    top: 25px;
    left: 0;
    width: 100%;
    height: 3px;
    background: #e0e0e0;
    z-index: 1;
}

.progress-step {
    position: relative;
    z-index: 2;
    text-align: center;
    flex: 1;
}

.step-number {
    width: 50px;
    height: 50px;
    background: white;
    border: 3px solid #e0e0e0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    font-weight: bold;
    color: var(--gray-color);
    transition: var(--transition);
}

.progress-step.active .step-number {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(67, 97, 238, 0.3);
}

.step-text {
    color: var(--gray-color);
    font-size: 14px;
    font-weight: 500;
}

.progress-step.active .step-text {
    color: var(--primary-color);
    font-weight: 600;
}

.endereco-form {
    margin-bottom: 30px;
}

.form-section {
    background: white;
    border-radius: var(--border-radius);
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.form-section h2 {
    color: var(--dark-color);
    font-size: 20px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #f0f0f0;
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--dark-color);
    font-weight: 600;
    font-size: 14px;
}

.input-group label::after {
    content: ' *';
    color: var(--danger-color);
}

.input-group label[for="numero"]::after,
.input-group label[for="bairro"]::after,
.input-group label[for="complemento"]::after {
    content: '';
}

.input-group input,
.input-group select {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 15px;
    transition: var(--transition);
    background: white;
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(67, 97, 238, 0.1);
}

.input-group input:hover,
.input-group select:hover {
    border-color: var(--gray-color);
}

.input-row {
    display: flex;
    gap: 15px;
}

.input-group.half {
    flex: 1;
}

.input-hint {
    display: block;
    margin-top: 5px;
    color: var(--gray-color);
    font-size: 12px;
}

.search-section {
    display: flex;
    gap: 15px;
    background: linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%);
}

.search-btn,
.clear-btn {
    flex: 1;
    padding: 16px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.search-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.search-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(67, 97, 238, 0.4);
}

.search-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.clear-btn {
    background: white;
    color: var(--gray-color);
    border: 2px solid #e0e0e0;
}

.clear-btn:hover {
    background: #f8f9fa;
    border-color: var(--gray-color);
}

.result-area {
    margin: 30px 0;
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.result-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    border-left: 5px solid var(--primary-color);
}

.result-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.result-header h3 {
    color: var(--dark-color);
    font-size: 18px;
}

.cep-found {
    background: linear-gradient(135deg, #667eea20, #764ba220);
    border-radius: 50px;
    padding: 15px 25px;
    text-align: center;
    margin-bottom: 20px;
}

.cep-found .cep-label {
    color: var(--gray-color);
    font-size: 14px;
    display: block;
    margin-bottom: 5px;
}

.cep-found .cep-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 2px;
}

.result-details {
    display: grid;
    gap: 15px;
}

.detail-item {
    display: flex;
    align-items: baseline;
    padding: 12px;
    background: #f8f9fa;
    border-radius: 8px;
    transition: var(--transition);
}

.detail-item:hover {
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transform: translateX(5px);
}

.detail-label {
    min-width: 100px;
    color: var(--gray-color);
    font-weight: 600;
    font-size: 14px;
}

.detail-value {
    color: var(--dark-color);
    font-weight: 500;
    flex: 1;
}

.multiple-results {
    background: white;
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.multiple-results h3 {
    color: var(--dark-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.results-list {
    display: grid;
    gap: 10px;
    max-height: 400px;
    overflow-y: auto;
    padding-right: 10px;
}

.results-list::-webkit-scrollbar {
    width: 8px;
}

.results-list::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

.results-list::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}

.result-item {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 15px;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.result-item:hover {
    background: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.result-item .cep {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.result-item .address {
    color: var(--gray-color);
    font-size: 14px;
}

.loading {
    text-align: center;
    padding: 40px;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading p {
    color: var(--gray-color);
    font-size: 16px;
}

.error-message {
    background: #fee;
    color: var(--danger-color);
    padding: 20px;
    border-radius: var(--border-radius);
    text-align: center;
    border-left: 5px solid var(--danger-color);
    animation: shake 0.5s ease-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.info-box {
    background: linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-top: 30px;
}

.info-box h3 {
    color: var(--dark-color);
    font-size: 16px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.info-box ul {
    list-style: none;
    padding-left: 0;
}

.info-box li {
    color: var(--gray-color);
    font-size: 14px;
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.info-box li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    position: absolute;
    left: 0;
}

@media (max-width: 768px) {
    .container {
        padding: 20px;
    }

    .input-row {
        flex-direction: column;
        gap: 0;
    }

    .search-section {
        flex-direction: column;
    }

    .progress-bar .step-text {
        font-size: 12px;
    }

    .step-number {
        width: 40px;
        height: 40px;
    }
}