/* ==========================================
    VARIÁVEIS CSS - PALETA DE CORES
    ========================================== */
:root {
    --color-primary: #ffd59f;
    --color-secondary: #5a5857;
    --color-white: #ffffff;
    --color-accent: #90bf9c;
    --color-text: #0a0a0a;
    --color-text-light: #666666;
    --color-bg-light: #f8f9fa;
    --font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* ==========================================
    ESTILOS GLOBAIS
    ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    /* fundo gradiente sutil para a página de login */
    background: linear-gradient(135deg, #fff9f0 0%, #ffffff 50%, #f0f7f2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

html {
    scroll-behavior: smooth;
}

/* ==========================================
    COMPONENTES ESPECÍFICOS DE LOGIN
    ========================================== */

/* container do cartão de login */
.login-wrapper {
    width: 100%;
    padding: 15px;
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 3rem 2.5rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    max-width: 450px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

/* elemento decorativo no fundo do cartão */
.login-card::before {
    content: "";
    position: absolute;
    top: -50px;
    right: -50px;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
    opacity: 0.5;
    border-radius: 50%;
    z-index: 0;
}

.logo-container {
    text-align: center;
    margin-bottom: 2.5rem;
    position: relative;
    z-index: 1;
}

/* alteração: estilo para o link da logo */
.logo-link {
    text-decoration: none;
    display: inline-block;
    outline: none;
    transition: opacity 0.3s;
}

.logo-link:hover {
    opacity: 0.9;
}

.logo-img {
    width: 140px;
    height: auto;
    transition: transform 0.3s ease;
}

.logo-link:hover .logo-img {
    transform: scale(1.05);
}

.login-title {
    font-weight: 700;
    font-size: 1.75rem;
    text-align: center;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.login-subtitle {
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: 2.5rem;
    font-size: 0.95rem;
}

/* grupo do formulário com ícone */
.input-group-custom {
    position: relative;
    margin-bottom: 1.5rem;
}

.input-icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-accent);
    font-size: 1.2rem;
    z-index: 2;
    transition: color 0.3s;
}

.form-control-login {
    padding-left: 3rem;
    padding-right: 1.5rem;
    height: 60px;
    border-radius: 50px;
    border: 2px solid #e0e0e0;
    font-size: 1.1rem;
    color: var(--color-text);
    background-color: #fdfdfd;
    transition: all 0.3s ease;
    box-shadow: none;
}

.form-control-login:focus {
    border-color: var(--color-accent);
    background-color: #fff;
    box-shadow: 0 0 0 0.2rem rgba(144, 191, 156, 0.25);
}

.input-group-custom:focus-within .input-icon {
    color: var(--color-secondary);
}

.btn-primary {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-white);
    font-weight: 600;
    padding: 0.85rem 2rem;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(144, 191, 156, 0.3);
    width: 100%;
    height: 60px;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-primary:hover {
    background-color: #7daf88;
    border-color: #7daf88;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(144, 191, 156, 0.4);
}

.btn-primary:focus, 
.btn-primary:focus-visible {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-white);
    box-shadow: 0 0 0 0.25rem rgba(144, 191, 156, 0.5);
    outline: none;
}

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

.btn-primary:disabled {
    background-color: #a8c9b0;
    cursor: not-allowed;
    transform: none;
}

.login-footer {
    margin-top: 2rem;
    text-align: center;
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.login-footer a {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

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

.spinner-border-custom {
    width: 1.5rem;
    height: 1.5rem;
    border-width: 0.15em;
}

@media (max-width: 576px) {
    .login-card {
        padding: 2rem 1.5rem;
        border-radius: 15px;
    }
    .login-title {
        font-size: 1.5rem;
    }
}