/* ========================================
   Busca Ativa - Estilos Globais
   ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f5f5f5;
    color: #333;
}

/* Scroll bar personalizado */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #667eea;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #764ba2;
}

/* Variáveis de cor */
:root {
    --color-primary: #667eea;
    --color-secondary: #764ba2;
    --color-success: #4caf50;
    --color-warning: #ff9800;
    --color-danger: #f44336;
    --color-info: #2196f3;
    --color-light: #f5f5f5;
    --color-dark: #333;
    --color-gray: #999;
}

/* Tipografia */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
}

p {
    line-height: 1.6;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: var(--color-secondary);
}

/* Botões */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-secondary {
    background: #e0e0e0;
    color: #333;
}

.btn-success {
    background: var(--color-success);
    color: white;
}

.btn-danger {
    background: var(--color-danger);
    color: white;
}

.btn-info {
    background: var(--color-info);
    color: white;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
}

input,
select,
textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.3s;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 5px rgba(102, 126, 234, 0.5);
}

textarea {
    resize: vertical;
    min-height: 100px;
}

select {
    cursor: pointer;
}

/* Alerts */
.alert {
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
    border-left: 4px solid;
}

.alert-success {
    background: #d4edda;
    border-color: var(--color-success);
    color: #155724;
}

.alert-error {
    background: #f8d7da;
    border-color: var(--color-danger);
    color: #721c24;
}

.alert-warning {
    background: #fff3cd;
    border-color: var(--color-warning);
    color: #856404;
}

.alert-info {
    background: #d1ecf1;
    border-color: var(--color-info);
    color: #0c5460;
}

/* Cards */
.card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.card-header {
    padding: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.card-body {
    padding: 20px;
}

.card-footer {
    padding: 20px;
    background: #f5f5f5;
    border-top: 1px solid #eee;
}

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

/* Grid */
.grid {
    display: grid;
    gap: 20px;
}

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

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Tabelas */
table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

th {
    padding: 15px;
    text-align: left;
    background: #f5f5f5;
    border-bottom: 2px solid #ddd;
    font-weight: 600;
}

td {
    padding: 15px;
    border-bottom: 1px solid #eee;
}

tr:hover {
    background: #f9f9f9;
}

/* Utilitários */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-left {
    text-align: left;
}

.text-muted {
    color: var(--color-gray);
}

.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }

.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }

.ml-1 { margin-left: 10px; }
.ml-2 { margin-left: 20px; }

.mr-1 { margin-right: 10px; }
.mr-2 { margin-right: 20px; }

.p-1 { padding: 10px; }
.p-2 { padding: 20px; }
.p-3 { padding: 30px; }

/* Loading */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Responsivo */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    table {
        font-size: 12px;
    }
    
    th, td {
        padding: 10px;
    }
    
    .btn {
        padding: 8px 15px;
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 14px;
    }
    
    h1 {
        font-size: 20px;
    }
    
    h2 {
        font-size: 18px;
    }
    
    h3 {
        font-size: 16px;
    }
    
    .alert {
        padding: 12px;
    }
    
    input,
    select,
    textarea {
        padding: 10px;
        font-size: 16px; /* Previne zoom no iOS */
    }
}