/* ============================================
   RecebeFy - Sistema de Controle de Vendas a Prazo
   Arquivo: style.css
   ============================================ */

/* Importar fonte Inter do Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ============================================
   VARIÁVEIS CSS
   ============================================ */
:root {
    --azul-escuro: #0A1929;
    --azul-medio: #1E3A5F;
    --azul-claro: #2E5C8A;
    --azul-destaque: #3B7DC3;
    --azul-suave: #E3F2FD;
    --branco: #FFFFFF;
    --preto: #000000;
    --cinza-escuro: #424242;
    --cinza-medio: #757575;
    --cinza-claro: #E0E0E0;
    --cinza-fundo: #F5F7FA;
    --verde-sucesso: #4CAF50;
    --vermelho-erro: #F44336;
    --amarelo-alerta: #FFC107;
    --laranja-atencao: #FF9800;
    
    --sombra-leve: 0 2px 8px rgba(0, 0, 0, 0.08);
    --sombra-media: 0 4px 16px rgba(0, 0, 0, 0.12);
    --sombra-forte: 0 8px 24px rgba(0, 0, 0, 0.16);
    
    --transicao-padrao: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 12px;
    --border-radius-small: 8px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--cinza-fundo);
    color: var(--cinza-escuro);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   LAYOUT PRINCIPAL
   ============================================ */
.layout-container {
    display: flex;
    min-height: 100vh;
    background-color: var(--cinza-fundo);
}

/* Menu Lateral Vertical */
.sidebar {
    width: 280px;
    background: linear-gradient(180deg, var(--azul-escuro) 0%, var(--azul-medio) 100%);
    color: var(--branco);
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    padding: 24px 0;
    box-shadow: var(--sombra-media);
    overflow-y: auto;
    z-index: 1000;
    transition: var(--transicao-padrao);
}

.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.sidebar-logo {
    padding: 0 24px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 24px;
}

.sidebar-logo h1 {
    font-size: 28px;
    font-weight: 800;
    color: var(--branco);
    letter-spacing: -0.5px;
}

.sidebar-logo p {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 4px;
    font-weight: 400;
}

.sidebar-menu {
    list-style: none;
    padding: 0 12px;
}

.sidebar-menu li {
    margin-bottom: 4px;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    padding: 14px 16px;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    border-radius: var(--border-radius-small);
    transition: var(--transicao-padrao);
    font-weight: 500;
    font-size: 15px;
}

.sidebar-menu a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--branco);
    transform: translateX(4px);
}

.sidebar-menu a.active {
    background: rgba(255, 255, 255, 0.15);
    color: var(--branco);
    font-weight: 600;
}

.sidebar-menu a i {
    margin-right: 12px;
    font-size: 20px;
    width: 24px;
    text-align: center;
}

/* Área de conteúdo principal */
.main-content {
    flex: 1;
    margin-left: 280px;
    padding: 24px;
    min-height: 100vh;
    transition: var(--transicao-padrao);
}

/* ============================================
   HEADER
   ============================================ */
.page-header {
    background: var(--branco);
    border-radius: var(--border-radius);
    padding: 24px 32px;
    margin-bottom: 24px;
    box-shadow: var(--sombra-leve);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-title {
    display: flex;
    flex-direction: column;
}

.page-title h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--azul-escuro);
    margin-bottom: 4px;
}

.page-title p {
    font-size: 14px;
    color: var(--cinza-medio);
    font-weight: 400;
}

.header-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    background: var(--cinza-fundo);
    border-radius: var(--border-radius-small);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--azul-claro), var(--azul-destaque));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--branco);
    font-weight: 700;
    font-size: 16px;
}

.user-details {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--azul-escuro);
}

.user-role {
    font-size: 12px;
    color: var(--cinza-medio);
}

/* ============================================
   BOTÕES
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius-small);
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transicao-padrao);
    text-decoration: none;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--sombra-media);
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--azul-claro), var(--azul-destaque));
    color: var(--branco);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--azul-destaque), var(--azul-claro));
}

.btn-secondary {
    background: var(--cinza-fundo);
    color: var(--azul-escuro);
    border: 1px solid var(--cinza-claro);
}

.btn-secondary:hover {
    background: var(--branco);
    border-color: var(--azul-claro);
}

.btn-success {
    background: var(--verde-sucesso);
    color: var(--branco);
}

.btn-danger {
    background: var(--vermelho-erro);
    color: var(--branco);
}

.btn-warning {
    background: var(--amarelo-alerta);
    color: var(--azul-escuro);
}

.btn-small {
    padding: 8px 16px;
    font-size: 13px;
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-icon {
    padding: 10px;
    width: 40px;
    height: 40px;
}

/* ============================================
   CARDS E CONTAINERS
   ============================================ */
.card {
    background: var(--branco);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--sombra-leve);
    margin-bottom: 24px;
    transition: var(--transicao-padrao);
}

.card:hover {
    box-shadow: var(--sombra-media);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--cinza-claro);
}

.card-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--azul-escuro);
}

.card-subtitle {
    font-size: 14px;
    color: var(--cinza-medio);
    margin-top: 4px;
}

.card-body {
    padding: 0;
}

.card-footer {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--cinza-claro);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Cards de estatísticas */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--branco);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--sombra-leve);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transicao-padrao);
    border-left: 4px solid transparent;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--sombra-media);
}

.stat-card.primary {
    border-left-color: var(--azul-destaque);
}

.stat-card.success {
    border-left-color: var(--verde-sucesso);
}

.stat-card.warning {
    border-left-color: var(--amarelo-alerta);
}

.stat-card.danger {
    border-left-color: var(--vermelho-erro);
}

.stat-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--border-radius-small);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--branco);
    flex-shrink: 0;
}

.stat-card.primary .stat-icon {
    background: linear-gradient(135deg, var(--azul-claro), var(--azul-destaque));
}

.stat-card.success .stat-icon {
    background: linear-gradient(135deg, #66BB6A, var(--verde-sucesso));
}

.stat-card.warning .stat-icon {
    background: linear-gradient(135deg, #FFD54F, var(--amarelo-alerta));
}

.stat-card.danger .stat-icon {
    background: linear-gradient(135deg, #EF5350, var(--vermelho-erro));
}

.stat-content {
    flex: 1;
}

.stat-label {
    font-size: 13px;
    color: var(--cinza-medio);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--azul-escuro);
    line-height: 1;
}

.stat-change {
    font-size: 13px;
    margin-top: 8px;
    font-weight: 500;
}

.stat-change.positive {
    color: var(--verde-sucesso);
}

.stat-change.negative {
    color: var(--vermelho-erro);
}

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

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--azul-escuro);
    margin-bottom: 8px;
}

.form-label.required::after {
    content: ' *';
    color: var(--vermelho-erro);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    color: var(--azul-escuro);
    background: var(--branco);
    border: 2px solid var(--cinza-claro);
    border-radius: var(--border-radius-small);
    transition: var(--transicao-padrao);
}

.form-control:focus {
    outline: none;
    border-color: var(--azul-destaque);
    box-shadow: 0 0 0 4px rgba(59, 125, 195, 0.1);
}

.form-control::placeholder {
    color: var(--cinza-medio);
}

.form-control:disabled {
    background: var(--cinza-fundo);
    cursor: not-allowed;
    opacity: 0.6;
}

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

select.form-control {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23424242' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
    appearance: none;
}

.form-help {
    display: block;
    font-size: 13px;
    color: var(--cinza-medio);
    margin-top: 6px;
}

.form-error {
    display: block;
    font-size: 13px;
    color: var(--vermelho-erro);
    margin-top: 6px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

/* ============================================
   TABELAS
   ============================================ */
.table-responsive {
    overflow-x: auto;
    margin: 0 -24px;
    padding: 0 24px;
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--branco);
}

.table thead {
    background: var(--cinza-fundo);
}

.table th {
    padding: 16px;
    text-align: left;
    font-size: 13px;
    font-weight: 700;
    color: var(--azul-escuro);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--cinza-claro);
}

.table td {
    padding: 16px;
    border-bottom: 1px solid var(--cinza-claro);
    font-size: 14px;
    color: var(--cinza-escuro);
}

.table tbody tr {
    transition: var(--transicao-padrao);
}

.table tbody tr:hover {
    background: var(--azul-suave);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* ============================================
   BADGES E TAGS
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-primary {
    background: rgba(59, 125, 195, 0.1);
    color: var(--azul-destaque);
}

.badge-success {
    background: rgba(76, 175, 80, 0.1);
    color: var(--verde-sucesso);
}

.badge-warning {
    background: rgba(255, 193, 7, 0.1);
    color: #F57C00;
}

.badge-danger {
    background: rgba(244, 67, 54, 0.1);
    color: var(--vermelho-erro);
}

.badge-info {
    background: rgba(33, 150, 243, 0.1);
    color: #1976D2;
}

/* ============================================
   ALERTAS
   ============================================ */
.alert {
    padding: 16px 20px;
    border-radius: var(--border-radius-small);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    font-weight: 500;
}

.alert i {
    font-size: 20px;
}

.alert-success {
    background: rgba(76, 175, 80, 0.1);
    color: #2E7D32;
    border-left: 4px solid var(--verde-sucesso);
}

.alert-danger {
    background: rgba(244, 67, 54, 0.1);
    color: #C62828;
    border-left: 4px solid var(--vermelho-erro);
}

.alert-warning {
    background: rgba(255, 193, 7, 0.1);
    color: #F57C00;
    border-left: 4px solid var(--amarelo-alerta);
}

.alert-info {
    background: rgba(33, 150, 243, 0.1);
    color: #1565C0;
    border-left: 4px solid #2196F3;
}

/* ============================================
   MODAIS
   ============================================ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 25, 41, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transicao-padrao);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--branco);
    border-radius: var(--border-radius);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--sombra-forte);
    transform: scale(0.9);
    transition: var(--transicao-padrao);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    padding: 24px;
    border-bottom: 1px solid var(--cinza-claro);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--azul-escuro);
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--cinza-medio);
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transicao-padrao);
}

.modal-close:hover {
    background: var(--cinza-fundo);
    color: var(--azul-escuro);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 24px;
    border-top: 1px solid var(--cinza-claro);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* ============================================
   RESPONSIVIDADE
   ============================================ */
@media (max-width: 1024px) {
    .sidebar {
        width: 240px;
    }
    
    .main-content {
        margin-left: 240px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: 280px;
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        padding: 16px;
    }
    
    .page-header {
        flex-direction: column;
        gap: 16px;
        align-items: flex-start;
        padding: 20px;
    }
    
    .header-actions {
        width: 100%;
        flex-direction: column;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .card {
        padding: 16px;
    }
    
    .table-responsive {
        margin: 0 -16px;
        padding: 0 16px;
    }
}

/* ============================================
   UTILITÁRIOS
   ============================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }