/* ============================================================================
   CURRAL BONITO - SISTEMA DE GESTÃO RURAL
   Design Profissional em Azul e Branco
   ============================================================================ */

/* ========================================================================
   IMPORTAÇÕES E VARIÁVEIS GLOBAIS
   ======================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700;800&display=swap');

:root {
    /* Paleta de Cores Principal */
    --primary-blue: #0066cc;
    --dark-blue: #004080;
    --light-blue: #3399ff;
    --ultra-light-blue: #e6f2ff;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --medium-gray: #6c757d;
    --dark-gray: #343a40;
    --success: #28a745;
    --danger: #dc3545;
    --warning: #ffc107;
    --info: #17a2b8;
    
    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0, 102, 204, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 102, 204, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 102, 204, 0.2);
    --shadow-xl: 0 12px 24px rgba(0, 102, 204, 0.25);
    
    /* Dimensões */
    --sidebar-width: 260px;
    --topbar-height: 70px;
}

/* ========================================================================
   RESET E CONFIGURAÇÕES BÁSICAS
   ======================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--light-gray);
    color: var(--dark-gray);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: var(--dark-blue);
    margin-bottom: 1rem;
}

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

a:hover {
    color: var(--dark-blue);
}

/* ========================================================================
   PÁGINA INDEX - HERO SECTION
   ======================================================================== */
.hero-section {
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--primary-blue) 50%, var(--light-blue) 100%);
    min-height: 100vh;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,165.3C1248,171,1344,149,1392,138.7L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
    opacity: 0.3;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
}

/* ========================================================================
   CARDS DE FUNCIONALIDADES
   ======================================================================== */
.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border-top: 4px solid var(--primary-blue);
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-top-color: var(--light-blue);
}

.feature-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: var(--white);
}

.feature-icon i {
    color: var(--white);
}

/* ========================================================================
   CTA SECTION
   ======================================================================== */
.cta-section {
    background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: moveBackground 20s linear infinite;
}

@keyframes moveBackground {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

/* ========================================================================
   PÁGINA DE LOGIN
   ======================================================================== */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--dark-blue), var(--primary-blue));
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.05" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,165.3C1248,171,1344,149,1392,138.7L1440,128L1440,0L1392,0C1344,0,1248,0,1152,0C1056,0,960,0,864,0C768,0,672,0,576,0C480,0,384,0,288,0C192,0,96,0,48,0L0,0Z"></path></svg>') repeat;
    animation: floatBackground 15s ease-in-out infinite;
}

@keyframes floatBackground {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.login-card {
    background: var(--white);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 450px;
    position: relative;
    z-index: 2;
    animation: slideInUp 0.5s ease;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-card h1 {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========================================================================
   SIDEBAR (MENU LATERAL)
   ======================================================================== */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: linear-gradient(180deg, var(--dark-blue) 0%, var(--primary-blue) 100%);
    color: var(--white);
    z-index: 1000;
    transition: all 0.3s ease;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}

.sidebar-collapsed {
    transform: translateX(-100%);
}

.sidebar-header {
    padding: 2rem 1.5rem;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.2);
}

.sidebar-header h5 {
    color: var(--white);
    margin-bottom: 0;
}

.sidebar-menu {
    padding: 1rem 0;
}

.menu-item {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    color: rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}

.menu-item i {
    font-size: 1.25rem;
    margin-right: 1rem;
    width: 30px;
}

.menu-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-left-color: var(--warning);
    padding-left: 2rem;
}

.menu-item.active {
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
    border-left-color: var(--warning);
    font-weight: 600;
}

.sidebar-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    background: rgba(0, 0, 0, 0.2);
}

/* ========================================================================
   MAIN CONTENT AREA
   ======================================================================== */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: all 0.3s ease;
}

.main-expanded {
    margin-left: 0;
}

/* ========================================================================
   TOPBAR
   ======================================================================== */
.topbar {
    background: var(--white);
    height: var(--topbar-height);
    padding: 0 2rem;
    display: flex;
    align-items: center;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 999;
}

/* ========================================================================
   CONTENT AREA
   ======================================================================== */
.content-area {
    padding: 2rem;
}

.page-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid var(--ultra-light-blue);
}

.page-header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

/* ========================================================================
   CARDS DO DASHBOARD
   ======================================================================== */
.dashboard-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: all 0.3s ease;
    border-left: 5px solid;
    color: var(--white);
}

.dashboard-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.dashboard-card .card-icon {
    font-size: 3rem;
    opacity: 0.9;
}

.dashboard-card h3 {
    color: var(--white);
    margin-bottom: 0;
    font-size: 2rem;
}

.dashboard-card p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0;
}

/* ========================================================================
   CARDS GERAIS
   ======================================================================== */
.card {
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    border: none;
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.card-header {
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    border-bottom: 2px solid rgba(0, 0, 0, 0.05);
}

.card-body {
    padding: 1.5rem;
}

/* ========================================================================
   BOTÕES CUSTOMIZADOS
   ======================================================================== */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
    border: none;
    padding: 0.75rem 2rem;
    font-weight: 600;
    border-radius: 10px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: linear-gradient(135deg, var(--dark-blue), var(--primary-blue));
}

.btn-warning {
    background: var(--warning);
    border: none;
    color: var(--dark-gray);
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: 10px;
}

/* ========================================================================
   TABELAS
   ======================================================================== */
.table {
    margin-bottom: 0;
}

.table thead th {
    background: var(--ultra-light-blue);
    color: var(--dark-blue);
    font-weight: 600;
    border: none;
    padding: 1rem;
}

.table tbody tr {
    transition: all 0.2s ease;
}

.table tbody tr:hover {
    background: var(--ultra-light-blue);
    transform: scale(1.01);
}

.table td {
    padding: 1rem;
    vertical-align: middle;
}

/* ========================================================================
   FORMULÁRIOS
   ======================================================================== */
.form-label {
    font-weight: 600;
    color: var(--dark-blue);
    margin-bottom: 0.5rem;
}

.form-control, .form-select {
    border: 2px solid var(--ultra-light-blue);
    border-radius: 10px;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 0.2rem rgba(0, 102, 204, 0.25);
}

.input-group-text {
    background: var(--ultra-light-blue);
    border: 2px solid var(--ultra-light-blue);
    color: var(--primary-blue);
    font-weight: 600;
}

/* ========================================================================
   BADGES
   ======================================================================== */
.badge {
    padding: 0.5rem 1rem;
    font-weight: 600;
    border-radius: 8px;
}

/* ========================================================================
   ALERTAS
   ======================================================================== */
.alert {
    border-radius: 10px;
    border: none;
    box-shadow: var(--shadow-sm);
}

/* ========================================================================
   RESPONSIVIDADE
   ======================================================================== */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.sidebar-show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .hero-section {
        padding: 60px 0;
    }
    
    .login-card {
        padding: 2rem;
    }
    
    .content-area {
        padding: 1rem;
    }
}

/* ========================================================================
   ANIMAÇÕES ADICIONAIS
   ======================================================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

/* ========================================================================
   SCROLLBAR PERSONALIZADA
   ======================================================================== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--light-gray);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-blue);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--dark-blue);
}

/* ========================================================================
   LOADING SPINNER (para uso futuro)
   ======================================================================== */
.spinner {
    border: 4px solid var(--ultra-light-blue);
    border-top: 4px solid var(--primary-blue);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

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