:root {
    --primary-bg-color: #f5f5f5;
    --login-box-bg: #ffffff;
    --login-box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --login-box-border-radius: 8px;
    --logo-width: 100px;
    --title-color: #333;
    --input-border-color: #ccc;
    --btn-bg-color: #004793;
    --btn-hover-color: #003366;
    --btn-text-color: #ffffff;
}

body.dark-mode,
.dark-mode {
    --primary-bg-color: #1b263b;
    --login-box-bg: #222a36;
    --login-box-shadow: 0 6px 16px rgba(20, 30, 50, 0.39);
    --title-color: #fff;
    --input-border-color: #5b6a91;
    --btn-bg-color: #003366;
    --btn-hover-color: #004793;
    --btn-text-color: #fafafa;
}

.dark-mode .login-box, .dark-mode .calendar-box {
    background: #192335 !important; /* box escura no modo escuro */
    color: #fff !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    border-color: #2a3750 !important;
}

.dark-mode .footer {
    background: #001933 !important;
    color: #eee !important;
}

.dark-mode .btnlogin, .dark-mode .btn-primary {
    color: #fff;
    background: #003366;
    border-color: #003366;
}

.dark-mode .btnlogin:hover, .dark-mode .btn-primary:hover {
    color: #fff;
    background: #004793;
    border-color: #004793;
}

.dark-mode input, .dark-mode .form-control {
    background: #2d3b55;
    color: #eee;
    border-color: #4e5d7a;
}

.dark-mode input:focus, .dark-mode .form-control:focus {
    border-color: #5b92eb;
    background: #23304a;
    color: #fafafa;
}

.dark-mode ::placeholder {
    color: #bfcadc;
    opacity: 1;
}

/* botão de alternância topo visível nos dois temas */
.theme-toggle-top {
    position: fixed;
    top: 16px;
    right: 16px;
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    background: #e0e0e0;
    color: #222;
    border: 1px solid rgba(0,0,0,0.25);
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
    transition: transform 0.15s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
    z-index: 1100;
}

.theme-toggle-top:hover {
    transform: scale(1.06);
}

.dark-mode .theme-toggle-top {
    background: rgba(255,255,255,0.06);
    color: #ffe666;
    border: 1px solid rgba(255,255,255,0.6);
    box-shadow: 0 4px 12px rgba(0,0,0,0.35);
}

/* opcional: ícone dentro do botão (ex.: Font Awesome) */
.theme-toggle-top i {
    pointer-events: none;
}


/* Modo CLARO (padrão) - como na imagem */
body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    font-family: Arial, sans-serif;
    background: #f5f5f5;
}

/* Container principal do login */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: calc(100vh - 120px);
}

/* Box de login */
.login-box {
    width: 420px;
    padding: 34px 28px;
    background: #ffffff; /* card claro */
    border: 1px solid #e5e7eb;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
    border-radius: 10px;
    text-align: center;
}

/* Estilo da logo */
.logo-container img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin-bottom: 16px;
}

/* Título */
h1 {
    color: #111827;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 18px;
}

/* Estilo dos campos de entrada */
.textbox {
    margin-bottom: 20px;
}

.textbox input {
    width: 100%;
    padding: 12px 12px;
    font-size: 16px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    background: #ffffff;
    color: #111827;
}
.textbox input:focus {
    outline: none;
    border-color: #5b92eb;
    box-shadow: 0 0 0 3px rgba(91, 146, 235, 0.25);
    background: #ffffff;
}
.textbox input::placeholder { color: #94a3b8; }

.button-container {
    text-align: center; /* Centraliza o conteúdo dentro da div */
}

.button-container .btn {
    width: 50%; /* Define uma largura específica para o botão */
    display: inline-block; /* Mantém o botão alinhado corretamente */
}

.btnlogin, .btn.btn-primary {
    background-color: #1363f6;
    border-color: #1363f6;
    color: #fff;
}
.btnlogin:hover, .btn.btn-primary:hover {
    background-color: #0f54d0;
    border-color: #0f54d0;
}

/* Link de recuperação de senha */
.forgot-password a {
    display: block;
    margin-top: 15px;
    text-align: center;
    color: #004793;
    text-decoration: none;
}

.forgot-password a:hover {
    color: red;
    text-decoration: underline;
}

/* Rodapé */
.footer {
    background-color: transparent;
    color: #333;
    text-align: center;
    padding: 10px 0;
    position: fixed;
    bottom: 0;
    width: 100%;
    font-size: 14px;
}

/* MODO ESCURO: aplica o visual anterior quando .dark-mode estiver no body */
.dark-mode body, body.dark-mode {
    background: linear-gradient(180deg, #0f1d2d 0%, #0b1626 100%);
}
.dark-mode .login-box, body.dark-mode .login-box {
    background: #192335;
    border: 1px solid #2a3750;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}
.dark-mode h1, body.dark-mode h1 { color: #ffffff; }
.dark-mode .footer, body.dark-mode .footer { background-color: #0f1d2d; color: #e6eefb; }

/* Ajustes responsivos */
@media (max-width: 480px) {
    .login-box { width: 92%; padding: 28px 20px; }
}

/* reCAPTCHA v3: garantir visibilidade do badge acima do rodapé fixo */
.grecaptcha-badge { 
    z-index: 3000 !important; 
    bottom: 90px !important; /* acima do footer fixo */
}