/* ===== VARIÁVEIS ===== */
:root {
    --primary: #3699ff;
    --primary-dark: #2878d4;
    --secondary: #1bc5bd;
    --danger: #f64e60;
    --warning: #ffa800;
    --success: #1bc5bd;
    --dark: #1e1e2d;
    --dark-light: #2d2d3d;
    --dark-lighter: #3a3a4d;
    --text: #ffffff;
    --text-muted: #8a8da3;
    --border: #2d2d3d;
    --sidebar-width: 260px;
    --header-height: 70px;
    --border-radius: 8px;
    --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--dark);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

.container { display: flex; min-height: 100vh; }

/* ===== SIDEBAR ===== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--dark-light);
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 1000;
    border-right: 1px solid var(--border);
    transition: var(--transition);
}

.sidebar-header { padding: 25px 20px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.sidebar-header h2 { color: var(--primary); font-size: 1.5rem; font-weight: 600; }
.sidebar-header p { color: var(--text-muted); font-size: 0.9rem; margin-top: 5px; }

/* Botão fechar sidebar (Mobile) */
.sidebar-close {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.2rem;
    cursor: pointer;
}

.sidebar-menu { padding: 20px 0; }

.menu-item {
    display: flex; align-items: center; padding: 12px 20px;
    color: var(--text-muted); text-decoration: none;
    transition: var(--transition); border-left: 3px solid transparent;
}
.menu-item:hover { background: rgba(54, 153, 255, 0.1); color: var(--text); border-left-color: var(--primary); }
.menu-item.active { background: rgba(54, 153, 255, 0.15); color: var(--primary); border-left-color: var(--primary); }
.menu-item i { margin-right: 12px; font-size: 1.2rem; width: 24px; text-align: center; }

/* Overlay escuro para mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s;
}
.sidebar-overlay.active { display: block; opacity: 1; }

/* ===== MAIN CONTENT ===== */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 20px;
    min-height: 100vh;
    width: calc(100% - var(--sidebar-width));
    transition: var(--transition);
}

/* ===== HEADER ===== */
.header {
    background: var(--dark-light);
    padding: 15px 25px;
    border-radius: var(--border-radius);
    margin-bottom: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--box-shadow);
}

.header-left { display: flex; align-items: center; gap: 15px; }
.header-left h1 { font-size: 1.8rem; font-weight: 600; color: var(--text); }

/* Botão Toggle (Hambúrguer) */
.sidebar-toggle {
    display: none; /* Escondido no Desktop */
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 1.2rem;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
}

.header-right { display: flex; align-items: center; gap: 20px; }
.user-info { display: flex; align-items: center; gap: 12px; }
.user-info span { color: var(--text); font-weight: 500; }

.dropdown { position: relative; display: inline-block; }
.btn-profile {
    background: var(--primary); color: white; border: none;
    padding: 8px 16px; border-radius: var(--border-radius);
    cursor: pointer; font-weight: 500; transition: var(--transition);
}
.btn-profile:hover { background: var(--primary-dark); transform: translateY(-2px); }

.dropdown-content {
    display: none; position: absolute; right: 0;
    background: var(--dark-light); min-width: 160px;
    box-shadow: var(--box-shadow); border-radius: var(--border-radius);
    z-index: 1000; border: 1px solid var(--border);
}
.dropdown-content a {
    color: var(--text); padding: 12px 16px; text-decoration: none;
    display: block; transition: var(--transition);
}
.dropdown-content a:hover { background: rgba(54, 153, 255, 0.1); color: var(--primary); }
.dropdown:hover .dropdown-content { display: block; }

/* ===== CARDS & LAYOUT ===== */
.card {
    background: var(--dark-light); border-radius: var(--border-radius);
    padding: 25px; margin-bottom: 25px;
    box-shadow: var(--box-shadow); border: 1px solid var(--border);
}
.card h2 {
    color: var(--text); font-size: 1.4rem; margin-bottom: 20px;
    padding-bottom: 15px; border-bottom: 1px solid var(--border);
}

/* Grid de Estatísticas */
.stats-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px; margin-bottom: 30px;
}
.stat-card {
    background: var(--dark-light); border-radius: var(--border-radius);
    padding: 25px; border: 1px solid var(--border); transition: var(--transition);
}
.stat-card:hover { transform: translateY(-5px); box-shadow: var(--box-shadow); }
.stat-card.primary { border-left: 4px solid var(--primary); }
.stat-card.success { border-left: 4px solid var(--success); }
.stat-card.warning { border-left: 4px solid var(--warning); }
.stat-card.danger { border-left: 4px solid var(--danger); }
.stat-icon { font-size: 2.5rem; margin-bottom: 15px; opacity: 0.8; }
.stat-value { font-size: 2rem; font-weight: 600; color: var(--text); margin-bottom: 5px; }
.stat-label { color: var(--text-muted); font-size: 0.9rem; text-transform: uppercase; letter-spacing: 1px; }

/* ===== FORMS ===== */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; color: var(--text); font-weight: 500; }
.form-control {
    width: 100%; padding: 12px 15px; background: var(--dark);
    border: 1px solid var(--border); border-radius: var(--border-radius);
    color: var(--text); font-size: 14px; transition: var(--transition);
}
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(54, 153, 255, 0.1); }
textarea.form-control { min-height: 120px; resize: vertical; }

/* Layout de Colunas nos Forms */
.form-row { display: flex; gap: 15px; margin-bottom: 15px; }
.col { flex: 1; }

.form-actions {
    display: flex; gap: 10px; margin-top: 25px;
    padding-top: 20px; border-top: 1px solid var(--border);
}

/* ===== BUTTONS ===== */
.btn {
    padding: 12px 24px; border: none; border-radius: var(--border-radius);
    font-weight: 500; cursor: pointer; transition: var(--transition);
    display: inline-flex; align-items: center; justify-content: center;
    gap: 8px; font-size: 14px; text-decoration: none;
}
.btn-primary { background: var(--primary); color: white; }
.btn-success { background: var(--success); color: white; }
.btn-danger { background: var(--danger); color: white; }
.btn-secondary { background: var(--dark-lighter); color: var(--text); }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-sm { padding: 8px 16px; font-size: 13px; }
.w-100 { width: 100%; }

/* ===== TABLES ===== */
.table-responsive {
    overflow-x: auto; /* Permite rolagem horizontal no mobile */
    border-radius: var(--border-radius);
    border: 1px solid var(--border);
}
.table { width: 100%; border-collapse: collapse; background: var(--dark-light); min-width: 600px; /* Força largura mínima para scroll */ }
.table thead { background: rgba(54, 153, 255, 0.1); }
.table th { padding: 15px; text-align: left; color: var(--text); font-weight: 600; border-bottom: 1px solid var(--border); white-space: nowrap; }
.table td { padding: 15px; color: var(--text-muted); border-bottom: 1px solid var(--border); }
.status-badge { display: inline-block; padding: 4px 12px; border-radius: 20px; font-size: 12px; font-weight: 500; }
.status-pendente { background: rgba(255, 168, 0, 0.1); color: var(--warning); }
.status-pago { background: rgba(27, 197, 189, 0.1); color: var(--success); }
.status-atrasado { background: rgba(246, 78, 96, 0.1); color: var(--danger); }

/* ===== RESPONSIVE (MOBILE) ===== */
@media (max-width: 992px) {
    /* Sidebar: Ajustes para iPhone/Mobile */
    .sidebar {
        transform: translateX(-100%);
        box-shadow: none;
        width: 280px; /* Largura fixa confortável para mobile */
        max-width: 80%;
        z-index: 9999; /* Garante que fique acima de tudo */
        -webkit-overflow-scrolling: touch; /* Rolagem suave no iOS */
    }

    .sidebar.active {
        transform: translateX(0);
        box-shadow: 10px 0 30px rgba(0,0,0,0.5);
    }

    /* Overlay: Fundo escuro */
    .sidebar-overlay {
        z-index: 9998; /* Logo abaixo do sidebar */
        backdrop-filter: blur(2px); /* Efeito de desfoque moderno */
    }

    /* Botão de fechar dentro do sidebar */
    .sidebar-close {
        display: block;
        font-size: 1.5rem;
        padding: 10px;
    }

    /* Conteúdo Principal */
    .main-content {
        margin-left: 0;
        width: 100%;
        padding: 15px;
        overflow-x: hidden; /* Evita rolagem horizontal indesejada */
    }

    /* Header */
    .header {
        padding: 15px;
        flex-wrap: wrap;
        gap: 15px;
    }

    .header-left {
        width: 100%;
        justify-content: flex-start;
    }

    .header-right {
        width: 100%;
        justify-content: flex-end;
        padding-top: 15px;
        border-top: 1px solid var(--border);
    }

    /* Botão Hambúrguer */
    .sidebar-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        font-size: 1.4rem;
        border: 1px solid var(--border);
        border-radius: 8px;
        margin-right: 15px;
    }

    /* Dashboard: Cards um abaixo do outro */
    .stats-grid {
        grid-template-columns: 1fr; /* Uma coluna apenas */
        gap: 15px;
    }

    /* Tabelas com scroll horizontal */
    .table-responsive {
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    /* Ajuste de formulários */
    .form-row { flex-direction: column; gap: 15px; }
    .col { width: 100%; }
    .form-actions { flex-direction: column; }
    .btn { width: 100%; margin-bottom: 10px; }
}
/* ===== BADGES DE STATUS ===== */
.status-badge {
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-block;
    text-align: center;
    min-width: 80px;
}

/* Cores específicas */
.status-pago {
    background: rgba(27, 197, 189, 0.1);
    color: #1bc5bd; /* Verde */
}

.status-pendente {
    background: rgba(255, 168, 0, 0.1);
    color: #ffa800; /* Laranja */
}

.status-atrasado {
    background: rgba(246, 78, 96, 0.1);
    color: #f64e60; /* Vermelho */
}