/* Reset e configuracoes base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cores principais */
    --primary-purple: #8B5CF6;
    --primary-purple-dark: #7C3AED;
    --primary-purple-light: #A78BFA;
    
    /* Cores de status */
    --success-color: #10B981;
    --error-color: #EF4444;
    --warning-color: #F59E0B;
    --timeout-color: #F97316;
    
    /* Cores neutras */
    --bg-color: #F8FAFC;
    --card-bg: #FFFFFF;
    --text-primary: #1E293B;
    --text-secondary: #64748B;
    --border-color: #E2E8F0;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transicoes */
    --transition-fast: 0.15s ease-out;
    --transition-normal: 0.3s ease-out;
    --transition-slow: 0.5s ease-out;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, var(--bg-color) 0%, #E2E8F0 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Header */
.header {
    background: var(--card-bg);
    box-shadow: var(--shadow-sm);
    padding: 2rem 0;
    margin-bottom: 3rem;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.logo {
    height: 60px;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--primary-purple) 0%, var(--primary-purple-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Container principal */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Formulario */
.form-section {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    margin-bottom: 3rem;
    border: 1px solid var(--border-color);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto;
    gap: 1.5rem;
    align-items: end;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-input, .form-select {
    padding: 1rem 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 1rem;
    transition: all var(--transition-normal);
    background: var(--card-bg);
    color: var(--text-primary);
}

.form-input:focus, .form-select:focus {
    outline: none;
    border-color: var(--primary-purple);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
    transform: translateY(-1px);
}

.form-input::placeholder {
    color: var(--text-secondary);
}

/* Botao principal */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-purple) 0%, var(--primary-purple-dark) 100%);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    min-width: 160px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-loading {
    display: none;
    align-items: center;
    gap: 0.5rem;
}

/* Loading section */
.loading-section {
    display: none;
    text-align: center;
    padding: 3rem 2rem;
    background: var(--card-bg);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 2rem;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-purple);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

.loading-text {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.loading-subtext {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Secao de resultados */
.results-section {
    display: none;
}

.results-header {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 1.5rem 2rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

.results-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.results-summary span:first-child {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.results-summary span:last-child {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Grid de resultados */
.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

/* Cards de resultado */
.result-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px);
}

.result-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.result-location {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.result-flag {
    font-size: 1.5rem;
    line-height: 1;
}

.result-city {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.result-provider {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Status badges */
.result-status {
    padding: 0.375rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.status-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.status-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
}

.status-timeout {
    background: rgba(249, 115, 22, 0.1);
    color: var(--timeout-color);
}

/* Conteudo dos resultados */
.result-content {
    min-height: 80px;
}

.result-records {
    margin-bottom: 1rem;
}

.result-record {
    background: rgba(139, 92, 246, 0.05);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 8px;
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
    color: var(--text-primary);
    word-break: break-all;
}

.result-record:last-child {
    margin-bottom: 0;
}

.result-time {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-align: right;
    font-weight: 500;
}

.result-error {
    color: var(--error-color);
    font-size: 0.875rem;
    padding: 0.75rem;
    background: rgba(239, 68, 68, 0.05);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 8px;
    margin-bottom: 1rem;
}

/* Secao de informacoes */
.info-section {
    margin: 4rem 0;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.info-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all var(--transition-normal);
}

.info-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.info-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.info-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.info-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Footer */
.footer {
    background: var(--card-bg);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.footer-logo {
    height: 40px;
    margin-bottom: 1rem;
    opacity: 0.8;
}

.footer-text {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
}

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

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

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

/* Estados especiais */
.result-card[data-status="success"] {
    border-left: 4px solid var(--success-color);
}

.result-card[data-status="error"] {
    border-left: 4px solid var(--error-color);
}

.result-card[data-status="timeout"] {
    border-left: 4px solid var(--timeout-color);
}

/* Responsividade */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .header-content {
        padding: 0 1rem;
    }
    
    .title {
        font-size: 2rem;
    }
    
    .form-section {
        padding: 1.5rem;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .result-card {
        padding: 1rem;
    }
    
    .results-summary {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .info-card {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 1.5rem 0;
        margin-bottom: 2rem;
    }
    
    .title {
        font-size: 1.75rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .form-section {
        padding: 1rem;
        margin-bottom: 2rem;
    }
    
    .btn-primary {
        width: 100%;
    }
}

/* Melhorias de acessibilidade */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}